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Diffstat (limited to 'src/devices/video/stvvdp2.cpp')
-rw-r--r-- | src/devices/video/stvvdp2.cpp | 6968 |
1 files changed, 6968 insertions, 0 deletions
diff --git a/src/devices/video/stvvdp2.cpp b/src/devices/video/stvvdp2.cpp new file mode 100644 index 00000000000..e2fbcf7f58d --- /dev/null +++ b/src/devices/video/stvvdp2.cpp @@ -0,0 +1,6968 @@ +// license:LGPL-2.1+ +// copyright-holders:David Haywood, Angelo Salese, Olivier Galibert, Mariusz Wojcieszek, R. Belmont +/* Sega Saturn VDP2 */ + +#define DEBUG_MODE 0 +#define TEST_FUNCTIONS 0 +#define POPMESSAGE_DEBUG 0 + +/* + +the dirty marking stuff and tile decoding will probably be removed in the end anyway as we'll need custom +rendering code since mame's drawgfx / tilesytem don't offer everything st-v needs + +this system seems far too complex to use Mame's tilemap system + +4 'scroll' planes (scroll screens) + +the scroll planes have slightly different capabilities + +NBG0 +NBG1 +NBG2 +NBG3 + +2 'rotate' planes + +RBG0 +RBG1 + +-- other crap +EXBG (external) + +----------------------------------------------------------------------------------------------------------- + +Video emulation TODO: +-all games: + \-priorities (check myfairld,thunt) + \-complete windows effects + \-mosaic effect + \-ODD bit/H/V Counter not yet emulated properly + \-Reduction enable bits + \-Check if there are any remaining video registers that are yet to be macroized & added to the rumble. +-batmanfr: + \-If you reset the game after the character selection screen,when you get again to it there's garbage + floating behind Batman. +-elandore: + \-(BTANB) priorities at the VS. screen apparently is wrong,but it's like this on the Saturn version too. +-hanagumi: + \-ending screens have corrupt graphics. (*untested*) +-kiwames: + \-incorrect color emulation for the alpha blended flames on the title screen,it's caused by a schizoid + linescroll emulation quirk. + \-the VDP1 sprites refresh is too slow,causing the "Draw by request" mode to + flicker.Moved back to default ATM. +-pblbeach: + \-Sprites are offset, because it doesn't clear vdp1 local coordinates set by bios, + I guess that they are cleared when some vdp1 register is written (kludged for now) +-prikura: + \-Attract mode presentation has corrupted graphics in various places,probably caused by incomplete + framebuffer data delete. +-seabass: + \-Player sprite is corrupt/missing during movements,caused by incomplete framebuffer switching. + +Notes of Interest & Unclear features: + +-the test mode / bios is drawn with layer NBG3; +-hanagumi puts a 'RED' dragon logo in tileram (base 0x64000, 4bpp, 8x8 tiles) but +its not displayed because its priority value is 0.Left-over? + +-scrolling is screen display wise,meaning that a scrolling value is masked with the +screen resolution size values; + +-H-Blank bit is INDIPENDENT of the V-Blank bit...trying to fix enable/disable it during V-Blank period + causes wrong gameplay speed in Golden Axe:The Duel. + +-Bitmaps uses transparency pens,examples are: +\-elandore's energy bars; +\-mausuke's foreground(the one used on the playfield) +\-shanhigw's tile-based sprites; +The transparency pen table is like this: + +|------------------|---------------------| +| Character count | Transparency code | +|------------------|---------------------| +| 16 colors |=0x0 (4 bits) | +| 256 colors |=0x00 (8 bits) | +| 2048 colors |=0x000 (11 bits) | +| 32,768 colors |MSB=0 (bit 15) | +| 16,770,000 colors|MSB=0 (bit 31) | +|------------------|---------------------| +In other words,the first three types uses the offset and not the color allocated. + +-double density interlace setting (LSMD == 3) apparently does a lot of fancy stuff in the graphics sizes. + +-Debug key list(only if you enable the debug mode on top of this file): + \-T: NBG3 layer toggle + \-Y: NBG2 layer toggle + \-U: NBG1 layer toggle + \-I: NBG0 layer toggle + \-O: SPRITE toggle + \-K: RBG0 layer toggle + \-W Decodes the graphics for F4 menu. + \-M Stores VDP1 ram contents from a file. + \-N Stores VDP1 ram contents into a file. +*/ + +#include "emu.h" +#include "includes/stv.h" + +enum +{ + STV_TRANSPARENCY_NONE, + STV_TRANSPARENCY_PEN, + STV_TRANSPARENCY_ADD_BLEND, + STV_TRANSPARENCY_ALPHA +}; + +#if DEBUG_MODE +#define LOG_VDP2 1 +#define LOG_ROZ 0 +#else +#define LOG_VDP2 0 +#define LOG_ROZ 0 +#endif + +/* + +-------------------------------------------------|-----------------------------|------------------------------ +| Function | Normal Scroll Screen | Rotation Scroll Screen | +| |-----------------------------|-----------------------------|------------------------------ +| | NBG0 | NBG1 | NBG2 | NBG3 | RBG0 | RBG1 | +-------------------------------------------------|-----------------------------|------------------------------ +| Character Colour | 16 colours | 16 colours | 16 colours | 16 colours | 16 colours | 16 colours | +| Count | 256 " " | 256 " " | 256 " " | 256 " " | 256 " " | 256 " " | +| | 2048 " " | 2048 " " | | | 2048 " " | 2048 " " | +| | 32768 " " | 32768 " " | | | 32768 " " | 32768 " " | +| | 16770000 " " | | | | 16770000 " " | 16770000 " " | +-------------------------------------------------|-----------------------------|------------------------------ +| Character Size | 1x1 Cells , 2x2 Cells | +-------------------------------------------------|-----------------------------|------------------------------ +| Pattern Name | 1 word , 2 words | +| Data Size | | +-------------------------------------------------|-----------------------------|------------------------------ +| Plane Size | 1 H x 1 V 1 Pages ; 2 H x 1 V 1 Pages ; 2 H x 2 V Pages | +-------------------------------------------------|-----------------------------|------------------------------ +| Plane Count | 4 | 16 | +-------------------------------------------------|-----------------------------|------------------------------ +| Bitmap Possible | Yes | No | Yes | No | +-------------------------------------------------|-----------------------------|------------------------------ +| Bitmap Size | 512 x 256 | N/A | 512x256 | N/A | +| | 512 x 512 | | 512x512 | | +| | 1024 x 256 | | | | +| | 1024 x 512 | | | | +-------------------------------------------------|-----------------------------|------------------------------ +| Scale | 0.25 x - 256 x | None | Any ? | +-------------------------------------------------|-----------------------------|------------------------------ +| Rotation | No | Yes | +-------------------------------------------------|-----------------------------|-----------------------------| +| Linescroll | Yes | No | +-------------------------------------------------|-----------------------------|------------------------------ +| Column Scroll | Yes | No | +-------------------------------------------------|-----------------------------|------------------------------ +| Mosaic | Yes | Horizontal Only | +-------------------------------------------------|-----------------------------|------------------------------ + +*/ + +/* 180000 - r/w - TVMD - TV Screen Mode + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | DISP | -- | -- | -- | -- | -- | -- | BDCLMD | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | LSMD1 | LSMD0 | VRESO1 | VRESO0 | -- | HRESO2 | HRESO1 | HRESO0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_TVMD (m_vdp2_regs[0x000/2]) + + #define STV_VDP2_DISP ((STV_VDP2_TVMD & 0x8000) >> 15) + #define STV_VDP2_BDCLMD ((STV_VDP2_TVMD & 0x0100) >> 8) + #define STV_VDP2_LSMD ((STV_VDP2_TVMD & 0x00c0) >> 6) + #define STV_VDP2_VRES ((STV_VDP2_TVMD & 0x0030) >> 4) + #define STV_VDP2_HRES ((STV_VDP2_TVMD & 0x0007) >> 0) + +/* 180002 - r/w - EXTEN - External Signal Enable Register + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | EXLTEN | EXSYEN | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | DASEL | EXBGEN | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_EXTEN (m_vdp2_regs[0x002/2]) + + #define STV_VDP2_EXLTEN ((STV_VDP2_EXTEN & 0x0200) >> 9) + +/* 180004 - r/o - TVSTAT - Screen Status + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | EXLTFG | EXSYFG | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | VBLANK | HBLANK | ODD | EVEN | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + +/* 180006 - r/w - VRSIZE - VRAM Size + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VRAMSZ | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | VER3 | VER2 | VER1 | VER0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_VRSIZE (m_vdp2_regs[0x006/2]) + + #define STV_VDP2_VRAMSZ ((STV_VDP2_VRSIZE & 0x8000) >> 15) + +/* 180008 - r/o - HCNT - H-Counter + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | HCT9 | HCT8 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | HCT7 | HCT6 | HCT5 | HCT4 | HCT3 | HCT2 | HCT1 | HCT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_HCNT (m_vdp2_regs[0x008/2]) + +/* 18000A - r/o - VCNT - V-Counter + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | VCT9 | VCT8 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCT7 | VCT6 | VCT5 | VCT4 | VCT3 | VCT2 | VCT1 | VCT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_VCNT (m_vdp2_regs[0x00a/2]) + +/* 18000C - RESERVED + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + +/* 18000E - r/w - RAMCTL - RAM Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | CRKTE | -- | CRMD1 | CRMD0 | -- | -- | VRBMD | VRAMD | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | RDBSB11 | RDBSB10 | RDBSB01 | RDBSB00 | RDBSA11 | RDBSA10 | RDBSA01 | RDBSA00 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_RAMCTL (m_vdp2_regs[0x00e/2]) + + #define STV_VDP2_CRKTE ((STV_VDP2_RAMCTL & 0x8000) >> 15) + #define STV_VDP2_CRMD ((STV_VDP2_RAMCTL & 0x3000) >> 12) + #define STV_VDP2_RDBSB1 ((STV_VDP2_RAMCTL & 0x00c0) >> 6) + #define STV_VDP2_RDBSB0 ((STV_VDP2_RAMCTL & 0x0030) >> 4) + #define STV_VDP2_RDBSA1 ((STV_VDP2_RAMCTL & 0x000c) >> 2) + #define STV_VDP2_RDBSA0 ((STV_VDP2_RAMCTL & 0x0003) >> 0) + + +/* 180010 - r/w - -CYCA0L - VRAM CYCLE PATTERN (BANK A0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP0A03 | VCP0A02 | VCP0A01 | VCP0A00 | VCP1A03 | VCP1A02 | VCP1A01 | VCP1A00 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP2A03 | VCP2A02 | VCP2A01 | VCP2A00 | VCP3A03 | VCP3A02 | VCP3A01 | VCP3A00 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA0L (m_vdp2_regs[0x010/2]) + +/* 180012 - r/w - -CYCA0U - VRAM CYCLE PATTERN (BANK A0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP4A03 | VCP4A02 | VCP4A01 | VCP4A00 | VCP5A03 | VCP5A02 | VCP5A01 | VCP5A00 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP6A03 | VCP6A02 | VCP6A01 | VCP6A00 | VCP7A03 | VCP7A02 | VCP7A01 | VCP7A00 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA0U (m_vdp2_regs[0x012/2]) + +/* 180014 - r/w - -CYCA1L - VRAM CYCLE PATTERN (BANK A1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP0A13 | VCP0A12 | VCP0A11 | VCP0A10 | VCP1A13 | VCP1A12 | VCP1A11 | VCP1A10 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP2A13 | VCP2A12 | VCP2A11 | VCP2A10 | VCP3A13 | VCP3A12 | VCP3A11 | VCP3A10 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA1L (m_vdp2_regs[0x014/2]) + +/* 180016 - r/w - -CYCA1U - VRAM CYCLE PATTERN (BANK A1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP4A13 | VCP4A12 | VCP4A11 | VCP4A10 | VCP5A13 | VCP5A12 | VCP5A11 | VCP5A10 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP6A13 | VCP6A12 | VCP6A11 | VCP6A10 | VCP7A13 | VCP7A12 | VCP7A11 | VCP7A10 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA1U (m_vdp2_regs[0x016/2]) + +/* 180018 - r/w - -CYCB0L - VRAM CYCLE PATTERN (BANK B0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP0B03 | VCP0B02 | VCP0B01 | VCP0B00 | VCP1B03 | VCP1B02 | VCP1B01 | VCP1B00 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP2B03 | VCP2B02 | VCP2B01 | VCP2B00 | VCP3B03 | VCP3B02 | VCP3B01 | VCP3B00 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA2L (m_vdp2_regs[0x018/2]) + +/* 18001A - r/w - -CYCB0U - VRAM CYCLE PATTERN (BANK B0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP4B03 | VCP4B02 | VCP4B01 | VCP4B00 | VCP5B03 | VCP5B02 | VCP5B01 | VCP5B00 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP6B03 | VCP6B02 | VCP6B01 | VCP6B00 | VCP7B03 | VCP7B02 | VCP7B01 | VCP7B00 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA2U (m_vdp2_regs[0x01a/2]) + +/* 18001C - r/w - -CYCB1L - VRAM CYCLE PATTERN (BANK B1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP0B13 | VCP0B12 | VCP0B11 | VCP0B10 | VCP1B13 | VCP1B12 | VCP1B11 | VCP1B10 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP2B13 | VCP2B12 | VCP2B11 | VCP2B10 | VCP3B13 | VCP3B12 | VCP3B11 | VCP3B10 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA3L (m_vdp2_regs[0x01c/2]) + +/* 18001E - r/w - -CYCB1U - VRAM CYCLE PATTERN (BANK B1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | VCP4B13 | VCP4B12 | VCP4B11 | VCP4B10 | VCP5B13 | VCP5B12 | VCP5B11 | VCP5B10 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | VCP6B13 | VCP6B12 | VCP6B11 | VCP6B10 | VCP7B13 | VCP7B12 | VCP7B11 | VCP7B10 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CYCA3U (m_vdp2_regs[0x01e/2]) + +/* 180020 - r/w - BGON - SCREEN DISPLAY ENABLE + + this register allows each tilemap to be enabled or disabled and also which layers are solid + + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | R0TPON | N3TPON | N2TPON | N1TPON | N0TPON | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | R1ON | R0ON | N3ON | N2ON | N1ON | N0ON | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_BGON (m_vdp2_regs[0x020/2]) + + // NxOn - Layer Enable Register + #define STV_VDP2_xxON ((STV_VDP2_BGON & 0x001f) >> 0) /* to see if anything is enabled */ + + #define STV_VDP2_N0ON ((STV_VDP2_BGON & 0x0001) >> 0) /* N0On = NBG0 Enable */ + #define STV_VDP2_N1ON ((STV_VDP2_BGON & 0x0002) >> 1) /* N1On = NBG1 Enable */ + #define STV_VDP2_N2ON ((STV_VDP2_BGON & 0x0004) >> 2) /* N2On = NBG2 Enable */ + #define STV_VDP2_N3ON ((STV_VDP2_BGON & 0x0008) >> 3) /* N3On = NBG3 Enable */ + #define STV_VDP2_R0ON ((STV_VDP2_BGON & 0x0010) >> 4) /* R0On = RBG0 Enable */ + #define STV_VDP2_R1ON ((STV_VDP2_BGON & 0x0020) >> 5) /* R1On = RBG1 Enable */ + + // NxTPON - Transparency Pen Enable Registers + #define STV_VDP2_N0TPON ((STV_VDP2_BGON & 0x0100) >> 8) /* N0TPON = NBG0 Draw Transparent Pen (as solid) /or/ RBG1 Draw Transparent Pen */ + #define STV_VDP2_N1TPON ((STV_VDP2_BGON & 0x0200) >> 9) /* N1TPON = NBG1 Draw Transparent Pen (as solid) /or/ EXBG Draw Transparent Pen */ + #define STV_VDP2_N2TPON ((STV_VDP2_BGON & 0x0400) >> 10)/* N2TPON = NBG2 Draw Transparent Pen (as solid) */ + #define STV_VDP2_N3TPON ((STV_VDP2_BGON & 0x0800) >> 11)/* N3TPON = NBG3 Draw Transparent Pen (as solid) */ + #define STV_VDP2_R0TPON ((STV_VDP2_BGON & 0x1000) >> 12)/* R0TPON = RBG0 Draw Transparent Pen (as solid) */ + +/* +180022 - MZCTL - Mosaic Control +bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MZCTL (m_vdp2_regs[0x022/2]) + + #define STV_VDP2_MZSZV ((STV_VDP2_MZCTL & 0xf000) >> 12) + #define STV_VDP2_MZSZH ((STV_VDP2_MZCTL & 0x0f00) >> 8) + #define STV_VDP2_R0MZE ((STV_VDP2_MZCTL & 0x0010) >> 4) + #define STV_VDP2_N3MZE ((STV_VDP2_MZCTL & 0x0008) >> 3) + #define STV_VDP2_N2MZE ((STV_VDP2_MZCTL & 0x0004) >> 2) + #define STV_VDP2_N1MZE ((STV_VDP2_MZCTL & 0x0002) >> 1) + #define STV_VDP2_N0MZE ((STV_VDP2_MZCTL & 0x0001) >> 0) + +/*180024 - Special Function Code Select + +*/ + + #define STV_VDP2_SFSEL (m_vdp2_regs[0x024/2]) + +/*180026 - Special Function Code + +*/ + + #define STV_VDP2_SFCODE (m_vdp2_regs[0x026/2]) + + +/* +180028 - CHCTLA - Character Control (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | N1CHCN1 | N1CHCN0 | N1BMSZ1 | N1BMSZ0 | N1BMEN | N1CHSZ | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | N0CHCN2 | N0CHCN1 | N0CHCN0 | N0BMSZ1 | N0BMSZ0 | N0BMEN | N0CHSZ | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CHCTLA (m_vdp2_regs[0x028/2]) + +/* -------------------------- NBG0 Character Control Registers -------------------------- */ + +/* N0CHCNx NBG0 (or RGB1) Colour Depth + 000 - 16 Colours + 001 - 256 Colours + 010 - 2048 Colours + 011 - 32768 Colours (RGB5) + 100 - 16770000 Colours (RGB8) + 101 - invalid + 110 - invalid + 111 - invalid */ + #define STV_VDP2_N0CHCN ((STV_VDP2_CHCTLA & 0x0070) >> 4) + +/* N0BMSZx - NBG0 Bitmap Size *guessed* + 00 - 512 x 256 + 01 - 512 x 512 + 10 - 1024 x 256 + 11 - 1024 x 512 */ + #define STV_VDP2_N0BMSZ ((STV_VDP2_CHCTLA & 0x000c) >> 2) + +/* N0BMEN - NBG0 Bitmap Enable + 0 - use cell mode + 1 - use bitmap mode */ + #define STV_VDP2_N0BMEN ((STV_VDP2_CHCTLA & 0x0002) >> 1) + +/* N0CHSZ - NBG0 Character (Tile) Size + 0 - 1 cell x 1 cell (8x8) + 1 - 2 cells x 2 cells (16x16) */ + #define STV_VDP2_N0CHSZ ((STV_VDP2_CHCTLA & 0x0001) >> 0) + +/* -------------------------- NBG1 Character Control Registers -------------------------- */ + +/* N1CHCNx - NBG1 (or EXB1) Colour Depth + 00 - 16 Colours + 01 - 256 Colours + 10 - 2048 Colours + 11 - 32768 Colours (RGB5) */ + #define STV_VDP2_N1CHCN ((STV_VDP2_CHCTLA & 0x3000) >> 12) + +/* N1BMSZx - NBG1 Bitmap Size *guessed* + 00 - 512 x 256 + 01 - 512 x 512 + 10 - 1024 x 256 + 11 - 1024 x 512 */ + #define STV_VDP2_N1BMSZ ((STV_VDP2_CHCTLA & 0x0c00) >> 10) + +/* N1BMEN - NBG1 Bitmap Enable + 0 - use cell mode + 1 - use bitmap mode */ + #define STV_VDP2_N1BMEN ((STV_VDP2_CHCTLA & 0x0200) >> 9) + +/* N1CHSZ - NBG1 Character (Tile) Size + 0 - 1 cell x 1 cell (8x8) + 1 - 2 cells x 2 cells (16x16) */ + #define STV_VDP2_N1CHSZ ((STV_VDP2_CHCTLA & 0x0100) >> 8) + +/* +18002A - CHCTLB - Character Control (NBG2, NBG1, RBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | R0CHCN2 | R0CHCN1 | R0CHCN0 | -- | R0BMSZ | R0BMEN | R0CHSZ | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | N3CHCN | N3CHSZ | -- | -- | N2CHCN | N2CHSZ | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CHCTLB (m_vdp2_regs[0x02a/2]) + +/* -------------------------- RBG0 Character Control Registers -------------------------- */ + + +/* R0CHCNx RBG0 Colour Depth + 000 - 16 Colours + 001 - 256 Colours + 010 - 2048 Colours + 011 - 32768 Colours (RGB5) + 100 - 16770000 Colours (RGB8) + 101 - invalid + 110 - invalid + 111 - invalid */ + #define STV_VDP2_R0CHCN ((STV_VDP2_CHCTLB & 0x7000) >> 12) + +/* R0BMSZx - RBG0 Bitmap Size *guessed* + 00 - 512 x 256 + 01 - 512 x 512 */ + #define STV_VDP2_R0BMSZ ((STV_VDP2_CHCTLB & 0x0400) >> 10) + +/* R0BMEN - RBG0 Bitmap Enable + 0 - use cell mode + 1 - use bitmap mode */ + #define STV_VDP2_R0BMEN ((STV_VDP2_CHCTLB & 0x0200) >> 9) + +/* R0CHSZ - RBG0 Character (Tile) Size + 0 - 1 cell x 1 cell (8x8) + 1 - 2 cells x 2 cells (16x16) */ + #define STV_VDP2_R0CHSZ ((STV_VDP2_CHCTLB & 0x0100) >> 8) + + #define STV_VDP2_N3CHCN ((STV_VDP2_CHCTLB & 0x0020) >> 5) + #define STV_VDP2_N3CHSZ ((STV_VDP2_CHCTLB & 0x0010) >> 4) + #define STV_VDP2_N2CHCN ((STV_VDP2_CHCTLB & 0x0002) >> 1) + #define STV_VDP2_N2CHSZ ((STV_VDP2_CHCTLB & 0x0001) >> 0) + + +/* +18002C - BMPNA - Bitmap Palette Number (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_BMPNA (m_vdp2_regs[0x02c/2]) + + #define STV_VDP2_N1BMP ((STV_VDP2_BMPNA & 0x0700) >> 8) + #define STV_VDP2_N0BMP ((STV_VDP2_BMPNA & 0x0007) >> 0) + +/* 18002E - Bitmap Palette Number (RBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_BMPNB (m_vdp2_regs[0x02e/2]) + + #define STV_VDP2_R0BMP ((STV_VDP2_BMPNB & 0x0007) >> 0) + +/* 180030 - PNCN0 - Pattern Name Control (NBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | N0PNB | N0CNSM | -- | -- | -- | -- | N0SPR | N0SCC | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | N0SPLT6 | N0SPLT5 | N0SPLT4 | N0SPCN4 | N0SPCN3 | N0SPCN2 | N0SPCN1 | N0SPCN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PNCN0 (m_vdp2_regs[0x030/2]) + +/* Pattern Data Size + 0 = 2 bytes + 1 = 1 byte */ + #define STV_VDP2_N0PNB ((STV_VDP2_PNCN0 & 0x8000) >> 15) + +/* Character Number Supplement (in 1 byte mode) + 0 = Character Number = 10bits + 2bits for flip + 1 = Character Number = 12 bits, no flip */ + #define STV_VDP2_N0CNSM ((STV_VDP2_PNCN0 & 0x4000) >> 14) + +/* NBG0 Special Priority Register (in 1 byte mode) */ + #define STV_VDP2_N0SPR ((STV_VDP2_PNCN0 & 0x0200) >> 9) + +/* NBG0 Special Colour Control Register (in 1 byte mode) */ + #define STV_VDP2_N0SCC ((STV_VDP2_PNCN0 & 0x0100) >> 8) + +/* Supplementary Palette Bits (in 1 byte mode) */ + #define STV_VDP2_N0SPLT ((STV_VDP2_PNCN0 & 0x00e0) >> 5) + +/* Supplementary Character Bits (in 1 byte mode) */ + #define STV_VDP2_N0SPCN ((STV_VDP2_PNCN0 & 0x001f) >> 0) + +/* 180032 - Pattern Name Control (NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PNCN1 (m_vdp2_regs[0x032/2]) + +/* Pattern Data Size + 0 = 2 bytes + 1 = 1 byte */ + #define STV_VDP2_N1PNB ((STV_VDP2_PNCN1 & 0x8000) >> 15) + +/* Character Number Supplement (in 1 byte mode) + 0 = Character Number = 10bits + 2bits for flip + 1 = Character Number = 12 bits, no flip */ + #define STV_VDP2_N1CNSM ((STV_VDP2_PNCN1 & 0x4000) >> 14) + +/* NBG0 Special Priority Register (in 1 byte mode) */ + #define STV_VDP2_N1SPR ((STV_VDP2_PNCN1 & 0x0200) >> 9) + +/* NBG0 Special Colour Control Register (in 1 byte mode) */ + #define STV_VDP2_N1SCC ((STV_VDP2_PNCN1 & 0x0100) >> 8) + +/* Supplementary Palette Bits (in 1 byte mode) */ + #define STV_VDP2_N1SPLT ((STV_VDP2_PNCN1 & 0x00e0) >> 5) + +/* Supplementary Character Bits (in 1 byte mode) */ + #define STV_VDP2_N1SPCN ((STV_VDP2_PNCN1 & 0x001f) >> 0) + + +/* 180034 - Pattern Name Control (NBG2) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PNCN2 (m_vdp2_regs[0x034/2]) + +/* Pattern Data Size + 0 = 2 bytes + 1 = 1 byte */ + #define STV_VDP2_N2PNB ((STV_VDP2_PNCN2 & 0x8000) >> 15) + +/* Character Number Supplement (in 1 byte mode) + 0 = Character Number = 10bits + 2bits for flip + 1 = Character Number = 12 bits, no flip */ + #define STV_VDP2_N2CNSM ((STV_VDP2_PNCN2 & 0x4000) >> 14) + +/* NBG0 Special Priority Register (in 1 byte mode) */ + #define STV_VDP2_N2SPR ((STV_VDP2_PNCN2 & 0x0200) >> 9) + +/* NBG0 Special Colour Control Register (in 1 byte mode) */ + #define STV_VDP2_N2SCC ((STV_VDP2_PNCN2 & 0x0100) >> 8) + +/* Supplementary Palette Bits (in 1 byte mode) */ + #define STV_VDP2_N2SPLT ((STV_VDP2_PNCN2 & 0x00e0) >> 5) + +/* Supplementary Character Bits (in 1 byte mode) */ + #define STV_VDP2_N2SPCN ((STV_VDP2_PNCN2 & 0x001f) >> 0) + + +/* 180036 - Pattern Name Control (NBG3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | N3PNB | N3CNSM | -- | -- | -- | -- | N3SPR | N3SCC | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | N3SPLT6 | N3SPLT5 | N3SPLT4 | N3SPCN4 | N3SPCN3 | N3SPCN2 | N3SPCN1 | N3SPCN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PNCN3 (m_vdp2_regs[0x036/2]) + +/* Pattern Data Size + 0 = 2 bytes + 1 = 1 byte */ + #define STV_VDP2_N3PNB ((STV_VDP2_PNCN3 & 0x8000) >> 15) + +/* Character Number Supplement (in 1 byte mode) + 0 = Character Number = 10bits + 2bits for flip + 1 = Character Number = 12 bits, no flip */ + #define STV_VDP2_N3CNSM ((STV_VDP2_PNCN3 & 0x4000) >> 14) + +/* NBG0 Special Priority Register (in 1 byte mode) */ + #define STV_VDP2_N3SPR ((STV_VDP2_PNCN3 & 0x0200) >> 9) + +/* NBG0 Special Colour Control Register (in 1 byte mode) */ + #define STV_VDP2_N3SCC ((STV_VDP2_PNCN3 & 0x0100) >> 8) + +/* Supplementary Palette Bits (in 1 byte mode) */ + #define STV_VDP2_N3SPLT ((STV_VDP2_PNCN3 & 0x00e0) >> 5) + +/* Supplementary Character Bits (in 1 byte mode) */ + #define STV_VDP2_N3SPCN ((STV_VDP2_PNCN3 & 0x001f) >> 0) + + +/* 180038 - Pattern Name Control (RBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PNCR (m_vdp2_regs[0x038/2]) + +/* Pattern Data Size + 0 = 2 bytes + 1 = 1 byte */ + #define STV_VDP2_R0PNB ((STV_VDP2_PNCR & 0x8000) >> 15) + +/* Character Number Supplement (in 1 byte mode) + 0 = Character Number = 10bits + 2bits for flip + 1 = Character Number = 12 bits, no flip */ + #define STV_VDP2_R0CNSM ((STV_VDP2_PNCR & 0x4000) >> 14) + +/* NBG0 Special Priority Register (in 1 byte mode) */ + #define STV_VDP2_R0SPR ((STV_VDP2_PNCR & 0x0200) >> 9) + +/* NBG0 Special Colour Control Register (in 1 byte mode) */ + #define STV_VDP2_R0SCC ((STV_VDP2_PNCR & 0x0100) >> 8) + +/* Supplementary Palette Bits (in 1 byte mode) */ + #define STV_VDP2_R0SPLT ((STV_VDP2_PNCR & 0x00e0) >> 5) + +/* Supplementary Character Bits (in 1 byte mode) */ + #define STV_VDP2_R0SPCN ((STV_VDP2_PNCR & 0x001f) >> 0) + +/* 18003A - PLSZ - Plane Size + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | N3PLSZ1 | N3PLSZ0 | -- | -- | N1PLSZ1 | N1PLSZ0 | N0PLSZ1 | N0PLSZ0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PLSZ (m_vdp2_regs[0x03a/2]) + + /* NBG0 Plane Size + 00 1H Page x 1V Page + 01 2H Pages x 1V Page + 10 invalid + 11 2H Pages x 2V Pages */ + #define STV_VDP2_RBOVR ((STV_VDP2_PLSZ & 0xc000) >> 14) + #define STV_VDP2_RBPLSZ ((STV_VDP2_PLSZ & 0x3000) >> 12) + #define STV_VDP2_RAOVR ((STV_VDP2_PLSZ & 0x0c00) >> 10) + #define STV_VDP2_RAPLSZ ((STV_VDP2_PLSZ & 0x0300) >> 8) + #define STV_VDP2_N3PLSZ ((STV_VDP2_PLSZ & 0x00c0) >> 6) + #define STV_VDP2_N2PLSZ ((STV_VDP2_PLSZ & 0x0030) >> 4) + #define STV_VDP2_N1PLSZ ((STV_VDP2_PLSZ & 0x000c) >> 2) + #define STV_VDP2_N0PLSZ ((STV_VDP2_PLSZ & 0x0003) >> 0) + +/* 18003C - MPOFN - Map Offset (NBG0, NBG1, NBG2, NBG3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | N3MP8 | N3MP7 | N3MP6 | -- | N2MP8 | N2MP7 | N2MP6 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | N1MP8 | N1MP7 | N1MP6 | -- | N0MP8 | N0MP7 | N0MP6 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPOFN_ (m_vdp2_regs[0x03c/2]) + + /* Higher 3 bits of the map offset for each layer */ + #define STV_VDP2_N3MP_ ((STV_VDP2_MPOFN_ & 0x3000) >> 12) + #define STV_VDP2_N2MP_ ((STV_VDP2_MPOFN_ & 0x0300) >> 8) + #define STV_VDP2_N1MP_ ((STV_VDP2_MPOFN_ & 0x0030) >> 4) + #define STV_VDP2_N0MP_ ((STV_VDP2_MPOFN_ & 0x0003) >> 0) + + + + +/* 18003E - Map Offset (Rotation Parameter A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPOFR_ (m_vdp2_regs[0x03e/2]) + + #define STV_VDP2_RBMP_ ((STV_VDP2_MPOFR_ & 0x0030) >> 4) + #define STV_VDP2_RAMP_ ((STV_VDP2_MPOFR_ & 0x0003) >> 0) + +/* 180040 - MPABN0 - Map (NBG0, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | N0MPB5 | N0MPB4 | N0MPB3 | N0MPB2 | N0MPB1 | N0MPB0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | N0MPA5 | N0MPA4 | N0MPA3 | N0MPA2 | N0MPA1 | N0MPA0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABN0 (m_vdp2_regs[0x040/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap NBG0 */ + #define STV_VDP2_N0MPB ((STV_VDP2_MPABN0 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap NBG0 */ + #define STV_VDP2_N0MPA ((STV_VDP2_MPABN0 & 0x003f) >> 0) + + +/* 180042 - MPCDN0 - (NBG0, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | N0MPD5 | N0MPD4 | N0MPD3 | N0MPD2 | N0MPD1 | N0MPD0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | N0MPC5 | N0MPC4 | N0MPC3 | N0MPC2 | N0MPC1 | N0MPC0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPCDN0 (m_vdp2_regs[0x042/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane D of Tilemap NBG0 */ + #define STV_VDP2_N0MPD ((STV_VDP2_MPCDN0 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane C of Tilemap NBG0 */ + #define STV_VDP2_N0MPC ((STV_VDP2_MPCDN0 & 0x003f) >> 0) + + +/* 180044 - Map (NBG1, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABN1 (m_vdp2_regs[0x044/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap NBG1 */ + #define STV_VDP2_N1MPB ((STV_VDP2_MPABN1 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap NBG1 */ + #define STV_VDP2_N1MPA ((STV_VDP2_MPABN1 & 0x003f) >> 0) + +/* 180046 - Map (NBG1, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPCDN1 (m_vdp2_regs[0x046/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane D of Tilemap NBG0 */ + #define STV_VDP2_N1MPD ((STV_VDP2_MPCDN1 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane C of Tilemap NBG0 */ + #define STV_VDP2_N1MPC ((STV_VDP2_MPCDN1 & 0x003f) >> 0) + + +/* 180048 - Map (NBG2, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABN2 (m_vdp2_regs[0x048/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap NBG2 */ + #define STV_VDP2_N2MPB ((STV_VDP2_MPABN2 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap NBG2 */ + #define STV_VDP2_N2MPA ((STV_VDP2_MPABN2 & 0x003f) >> 0) + +/* 18004a - Map (NBG2, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPCDN2 (m_vdp2_regs[0x04a/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane D of Tilemap NBG2 */ + #define STV_VDP2_N2MPD ((STV_VDP2_MPCDN2 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane C of Tilemap NBG2 */ + #define STV_VDP2_N2MPC ((STV_VDP2_MPCDN2 & 0x003f) >> 0) + +/* 18004c - Map (NBG3, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABN3 (m_vdp2_regs[0x04c/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap NBG1 */ + #define STV_VDP2_N3MPB ((STV_VDP2_MPABN3 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap NBG1 */ + #define STV_VDP2_N3MPA ((STV_VDP2_MPABN3 & 0x003f) >> 0) + + +/* 18004e - Map (NBG3, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPCDN3 (m_vdp2_regs[0x04e/2]) + + /* N0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap NBG0 */ + #define STV_VDP2_N3MPD ((STV_VDP2_MPCDN3 & 0x3f00) >> 8) + + /* N0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap NBG0 */ + #define STV_VDP2_N3MPC ((STV_VDP2_MPCDN3 & 0x003f) >> 0) + +/* 180050 - Map (Rotation Parameter A, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABRA (m_vdp2_regs[0x050/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap RBG0 */ + #define STV_VDP2_RAMPB ((STV_VDP2_MPABRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap RBG0 */ + #define STV_VDP2_RAMPA ((STV_VDP2_MPABRA & 0x003f) >> 0) + + + +/* 180052 - Map (Rotation Parameter A, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPCDRA (m_vdp2_regs[0x052/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane D of Tilemap RBG0 */ + #define STV_VDP2_RAMPD ((STV_VDP2_MPCDRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane C of Tilemap RBG0 */ + #define STV_VDP2_RAMPC ((STV_VDP2_MPCDRA & 0x003f) >> 0) + +/* 180054 - Map (Rotation Parameter A, Plane E,F) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPEFRA (m_vdp2_regs[0x054/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane F of Tilemap RBG0 */ + #define STV_VDP2_RAMPF ((STV_VDP2_MPEFRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane E of Tilemap RBG0 */ + #define STV_VDP2_RAMPE ((STV_VDP2_MPEFRA & 0x003f) >> 0) + +/* 180056 - Map (Rotation Parameter A, Plane G,H) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPGHRA (m_vdp2_regs[0x056/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane H of Tilemap RBG0 */ + #define STV_VDP2_RAMPH ((STV_VDP2_MPGHRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane G of Tilemap RBG0 */ + #define STV_VDP2_RAMPG ((STV_VDP2_MPGHRA & 0x003f) >> 0) + +/* 180058 - Map (Rotation Parameter A, Plane I,J) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPIJRA (m_vdp2_regs[0x058/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane J of Tilemap RBG0 */ + #define STV_VDP2_RAMPJ ((STV_VDP2_MPIJRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane I of Tilemap RBG0 */ + #define STV_VDP2_RAMPI ((STV_VDP2_MPIJRA & 0x003f) >> 0) + +/* 18005a - Map (Rotation Parameter A, Plane K,L) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPKLRA (m_vdp2_regs[0x05a/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane L of Tilemap RBG0 */ + #define STV_VDP2_RAMPL ((STV_VDP2_MPKLRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane K of Tilemap RBG0 */ + #define STV_VDP2_RAMPK ((STV_VDP2_MPKLRA & 0x003f) >> 0) + +/* 18005c - Map (Rotation Parameter A, Plane M,N) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPMNRA (m_vdp2_regs[0x05c/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane N of Tilemap RBG0 */ + #define STV_VDP2_RAMPN ((STV_VDP2_MPMNRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane M of Tilemap RBG0 */ + #define STV_VDP2_RAMPM ((STV_VDP2_MPMNRA & 0x003f) >> 0) + +/* 18005e - Map (Rotation Parameter A, Plane O,P) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_MPOPRA (m_vdp2_regs[0x05e/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane P of Tilemap RBG0 */ + #define STV_VDP2_RAMPP ((STV_VDP2_MPOPRA & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane O of Tilemap RBG0 */ + #define STV_VDP2_RAMPO ((STV_VDP2_MPOPRA & 0x003f) >> 0) + +/* 180060 - Map (Rotation Parameter B, Plane A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPABRB (m_vdp2_regs[0x060/2]) + + /* R0MPB5 = lower 6 bits of Map Address of Plane B of Tilemap RBG0 */ + #define STV_VDP2_RBMPB ((STV_VDP2_MPABRB & 0x3f00) >> 8) + + /* R0MPA5 = lower 6 bits of Map Address of Plane A of Tilemap RBG0 */ + #define STV_VDP2_RBMPA ((STV_VDP2_MPABRB & 0x003f) >> 0) + + +/* 180062 - Map (Rotation Parameter B, Plane C,D) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPCDRB (m_vdp2_regs[0x062/2]) + + /* R0MPD5 = lower 6 bits of Map Address of Plane D of Tilemap RBG0 */ + #define STV_VDP2_RBMPD ((STV_VDP2_MPCDRB & 0x3f00) >> 8) + + /* R0MPc5 = lower 6 bits of Map Address of Plane C of Tilemap RBG0 */ + #define STV_VDP2_RBMPC ((STV_VDP2_MPCDRB & 0x003f) >> 0) + +/* 180064 - Map (Rotation Parameter B, Plane E,F) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPEFRB (m_vdp2_regs[0x064/2]) + + /* R0MPF5 = lower 6 bits of Map Address of Plane F of Tilemap RBG0 */ + #define STV_VDP2_RBMPF ((STV_VDP2_MPEFRB & 0x3f00) >> 8) + + /* R0MPE5 = lower 6 bits of Map Address of Plane E of Tilemap RBG0 */ + #define STV_VDP2_RBMPE ((STV_VDP2_MPEFRB & 0x003f) >> 0) + +/* 180066 - Map (Rotation Parameter B, Plane G,H) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPGHRB (m_vdp2_regs[0x066/2]) + + /* R0MPH5 = lower 6 bits of Map Address of Plane H of Tilemap RBG0 */ + #define STV_VDP2_RBMPH ((STV_VDP2_MPGHRB & 0x3f00) >> 8) + + /* R0MPG5 = lower 6 bits of Map Address of Plane G of Tilemap RBG0 */ + #define STV_VDP2_RBMPG ((STV_VDP2_MPGHRB & 0x003f) >> 0) + +/* 180068 - Map (Rotation Parameter B, Plane I,J) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPIJRB (m_vdp2_regs[0x068/2]) + + /* R0MPJ5 = lower 6 bits of Map Address of Plane J of Tilemap RBG0 */ + #define STV_VDP2_RBMPJ ((STV_VDP2_MPIJRB & 0x3f00) >> 8) + + /* R0MPI5 = lower 6 bits of Map Address of Plane E of Tilemap RBG0 */ + #define STV_VDP2_RBMPI ((STV_VDP2_MPIJRB & 0x003f) >> 0) + +/* 18006a - Map (Rotation Parameter B, Plane K,L) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPKLRB (m_vdp2_regs[0x06a/2]) + + /* R0MPL5 = lower 6 bits of Map Address of Plane L of Tilemap RBG0 */ + #define STV_VDP2_RBMPL ((STV_VDP2_MPKLRB & 0x3f00) >> 8) + + /* R0MPK5 = lower 6 bits of Map Address of Plane K of Tilemap RBG0 */ + #define STV_VDP2_RBMPK ((STV_VDP2_MPKLRB & 0x003f) >> 0) + +/* 18006c - Map (Rotation Parameter B, Plane M,N) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPMNRB (m_vdp2_regs[0x06c/2]) + + /* R0MPN5 = lower 6 bits of Map Address of Plane N of Tilemap RBG0 */ + #define STV_VDP2_RBMPN ((STV_VDP2_MPMNRB & 0x3f00) >> 8) + + /* R0MPM5 = lower 6 bits of Map Address of Plane M of Tilemap RBG0 */ + #define STV_VDP2_RBMPM ((STV_VDP2_MPMNRB & 0x003f) >> 0) + +/* 18006e - Map (Rotation Parameter B, Plane O,P) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_MPOPRB (m_vdp2_regs[0x06e/2]) + + /* R0MPP5 = lower 6 bits of Map Address of Plane P of Tilemap RBG0 */ + #define STV_VDP2_RBMPP ((STV_VDP2_MPOPRB & 0x3f00) >> 8) + + /* R0MPO5 = lower 6 bits of Map Address of Plane O of Tilemap RBG0 */ + #define STV_VDP2_RBMPO ((STV_VDP2_MPOPRB & 0x003f) >> 0) + +/* 180070 - SCXIN0 - Screen Scroll (NBG0, Horizontal Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXIN0 (m_vdp2_regs[0x070/2]) + + +/* 180072 - Screen Scroll (NBG0, Horizontal Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXDN0 (m_vdp2_regs[0x072/2]) + +/* 180074 - SCYIN0 - Screen Scroll (NBG0, Vertical Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_SCYIN0 (m_vdp2_regs[0x074/2]) + + +/* 180076 - Screen Scroll (NBG0, Vertical Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCYDN0 (m_vdp2_regs[0x076/2]) + +/* 180078 - Coordinate Inc (NBG0, Horizontal Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMXIN0 (m_vdp2_regs[0x078/2]) + + #define STV_VDP2_N0ZMXI ((STV_VDP2_ZMXIN0 & 0x0007) >> 0) + +/* 18007a - Coordinate Inc (NBG0, Horizontal Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMXDN0 (m_vdp2_regs[0x07a/2]) + + #define STV_VDP2_N0ZMXD ((STV_VDP2_ZMXDN0 >> 8)& 0xff) + #define STV_VDP2_ZMXN0 (((STV_VDP2_N0ZMXI<<16) | (STV_VDP2_N0ZMXD<<8)) & 0x0007ff00) + + +/* 18007c - Coordinate Inc (NBG0, Vertical Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMYIN0 (m_vdp2_regs[0x07c/2]) + + #define STV_VDP2_N0ZMYI ((STV_VDP2_ZMYIN0 & 0x0007) >> 0) + +/* 18007e - Coordinate Inc (NBG0, Vertical Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMYDN0 (m_vdp2_regs[0x07e/2]) + + #define STV_VDP2_N0ZMYD ((STV_VDP2_ZMYDN0 >> 8)& 0xff) + #define STV_VDP2_ZMYN0 (((STV_VDP2_N0ZMYI<<16) | (STV_VDP2_N0ZMYD<<8)) & 0x0007ff00) + +/* 180080 - SCXIN1 - Screen Scroll (NBG1, Horizontal Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXIN1 (m_vdp2_regs[0x080/2]) + +/* 180082 - Screen Scroll (NBG1, Horizontal Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXDN1 (m_vdp2_regs[0x082/2]) + +/* 180084 - SCYIN1 - Screen Scroll (NBG1, Vertical Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCYIN1 (m_vdp2_regs[0x084/2]) + +/* 180086 - Screen Scroll (NBG1, Vertical Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCYDN1 (m_vdp2_regs[0x086/2]) + +/* 180088 - Coordinate Inc (NBG1, Horizontal Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMXIN1 (m_vdp2_regs[0x088/2]) + + #define STV_VDP2_N1ZMXI ((STV_VDP2_ZMXIN1 & 0x0007) >> 0) + +/* 18008a - Coordinate Inc (NBG1, Horizontal Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMXDN1 (m_vdp2_regs[0x08a/2]) + + #define STV_VDP2_N1ZMXD ((STV_VDP2_ZMXDN1 >> 8)& 0xff) + #define STV_VDP2_ZMXN1 (((STV_VDP2_N1ZMXI<<16) | (STV_VDP2_N1ZMXD<<8)) & 0x0007ff00) + +/* 18008c - Coordinate Inc (NBG1, Vertical Integer Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMYIN1 (m_vdp2_regs[0x08c/2]) + + #define STV_VDP2_N1ZMYI ((STV_VDP2_ZMYIN1 & 0x0007) >> 0) + +/* 18008e - Coordinate Inc (NBG1, Vertical Fractional Part) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMYDN1 (m_vdp2_regs[0x08e/2]) + + #define STV_VDP2_N1ZMYD ((STV_VDP2_ZMYDN1 >> 8)& 0xff) + #define STV_VDP2_ZMYN1 (((STV_VDP2_N1ZMYI<<16) | (STV_VDP2_N1ZMYD<<8)) & 0x007ff00) + +/* 180090 - SCXN2 - Screen Scroll (NBG2, Horizontal) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXN2 (m_vdp2_regs[0x090/2]) + +/* 180092 - SCYN2 - Screen Scroll (NBG2, Vertical) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCYN2 (m_vdp2_regs[0x092/2]) + +/* 180094 - SCXN3 - Screen Scroll (NBG3, Horizontal) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCXN3 (m_vdp2_regs[0x094/2]) + +/* 180096 - SCYN3 - Screen Scroll (NBG3, Vertical) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCYN3 (m_vdp2_regs[0x096/2]) + +/* 180098 - Reduction Enable + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | N1ZMQT | N1ZMHF | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | N0ZMQT | N0ZMHF | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_ZMCTL (m_vdp2_regs[0x098/2]) + + #define STV_VDP2_N1ZMQT ((STV_VDP2_ZMCTL & 0x0200) >> 9) + #define STV_VDP2_N1ZMHF ((STV_VDP2_ZMCTL & 0x0100) >> 8) + #define STV_VDP2_N0ZMQT ((STV_VDP2_ZMCTL & 0x0002) >> 1) + #define STV_VDP2_N0ZMHF ((STV_VDP2_ZMCTL & 0x0001) >> 0) + +/* 18009a - Line and Vertical Cell Scroll Control (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SCRCTL (m_vdp2_regs[0x09a/2]) + + #define STV_VDP2_N1LSS ((STV_VDP2_SCRCTL & 0x3000) >> 12) + #define STV_VDP2_N1LZMX ((STV_VDP2_SCRCTL & 0x0800) >> 11) + #define STV_VDP2_N1LSCY ((STV_VDP2_SCRCTL & 0x0400) >> 10) + #define STV_VDP2_N1LSCX ((STV_VDP2_SCRCTL & 0x0200) >> 9) + #define STV_VDP2_N1VCSC ((STV_VDP2_SCRCTL & 0x0100) >> 8) + #define STV_VDP2_N0LSS ((STV_VDP2_SCRCTL & 0x0030) >> 4) + #define STV_VDP2_N0LZMX ((STV_VDP2_SCRCTL & 0x0008) >> 3) + #define STV_VDP2_N0LSCY ((STV_VDP2_SCRCTL & 0x0004) >> 2) + #define STV_VDP2_N0LSCX ((STV_VDP2_SCRCTL & 0x0002) >> 1) + #define STV_VDP2_N0VCSC ((STV_VDP2_SCRCTL & 0x0001) >> 0) + +/* 18009c - Vertical Cell Table Address (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_VCSTAU (m_vdp2_regs[0x09c/2] & 7) + + +/* 18009e - Vertical Cell Table Address (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_VCSTAL (m_vdp2_regs[0x09e/2]) + + +/* 1800a0 - LSTA0U - Line Scroll Table Address (NBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + /*bit 2 unused when VRAM = 4 Mbits*/ + #define STV_VDP2_LSTA0U (m_vdp2_regs[0x0a0/2] & 7) + +/* 1800a2 - LSTA0L - Line Scroll Table Address (NBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LSTA0L (m_vdp2_regs[0x0a2/2]) + +/* 1800a4 - LSTA1U - Line Scroll Table Address (NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + /*bit 2 unused when VRAM = 4 Mbits*/ + #define STV_VDP2_LSTA1U (m_vdp2_regs[0x0a4/2] & 7) + +/* 1800a6 - LSTA1L - Line Scroll Table Address (NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LSTA1L (m_vdp2_regs[0x0a6/2]) + +/* 1800a8 - LCTAU - Line Colour Screen Table Address + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LCTAU (m_vdp2_regs[0x0a8/2]) + #define STV_VDP2_LCCLMD ((STV_VDP2_LCTAU & 0x8000) >> 15) + +/* 1800aa - LCTAL - Line Colour Screen Table Address + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_LCTAL (m_vdp2_regs[0x0aa/2]) + + #define STV_VDP2_LCTA (((STV_VDP2_LCTAU & 0x0007) << 16) | (STV_VDP2_LCTAL & 0xffff)) + +/* 1800ac - Back Screen Table Address + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | BKCLMD | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | BKTA18 | BKTA17 | BKTA16 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_BKTAU (m_vdp2_regs[0x0ac/2]) + + #define STV_VDP2_BKCLMD ((STV_VDP2_BKTAU & 0x8000) >> 15) + + +/* 1800ae - Back Screen Table Address + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | BKTA15 | BKTA14 | BKTA13 | BKTA12 | BKTA11 | BKTA10 | BKTA9 | BKTA8 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | BKTA7 | BKTA7 | BKTA6 | BKTA5 | BKTA4 | BKTA3 | BKTA2 | BKTA0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_BKTAL (m_vdp2_regs[0x0ae/2]) + + #define STV_VDP2_BKTA (((STV_VDP2_BKTAU & 0x0007) << 16) | (STV_VDP2_BKTAL & 0xffff)) + +/* 1800b0 - RPMD - Rotation Parameter Mode + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_RPMD ((m_vdp2_regs[0x0b0/2]) & 0x0003) + +/* 1800b2 - RPRCTL - Rotation Parameter Read Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | RBKASTRE | RBYSTRE | RBXSTRE | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | RAKASTRE | RAYSTRE | RBXSTRE | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_RPRCTL (m_vdp2_regs[0x0b2/2]) + #define STV_VDP2_RBKASTRE ((STV_VDP2_RPRCTL & 0x0400) >> 10) + #define STV_VDP2_RBYSTRE ((STV_VDP2_RPRCTL & 0x0200) >> 9) + #define STV_VDP2_RBXSTRE ((STV_VDP2_RPRCTL & 0x0100) >> 8) + #define STV_VDP2_RAKASTRE ((STV_VDP2_RPRCTL & 0x0004) >> 2) + #define STV_VDP2_RAYSTRE ((STV_VDP2_RPRCTL & 0x0002) >> 1) + #define STV_VDP2_RAXSTRE ((STV_VDP2_RPRCTL & 0x0001) >> 0) + +/* 1800b4 - KTCTL - Coefficient Table Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | RBKLCE | RBKMD1 | RBKMD0 | RBKDBS | RBKTE | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | RAKLCE | RAKMD1 | RAKMD0 | RAKDBS | RAKTE | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_KTCTL (m_vdp2_regs[0x0b4/2]) + #define STV_VDP2_RBKLCE ((STV_VDP2_KTCTL & 0x1000) >> 12) + #define STV_VDP2_RBKMD ((STV_VDP2_KTCTL & 0x0c00) >> 10) + #define STV_VDP2_RBKDBS ((STV_VDP2_KTCTL & 0x0200) >> 9) + #define STV_VDP2_RBKTE ((STV_VDP2_KTCTL & 0x0100) >> 8) + #define STV_VDP2_RAKLCE ((STV_VDP2_KTCTL & 0x0010) >> 4) + #define STV_VDP2_RAKMD ((STV_VDP2_KTCTL & 0x000c) >> 2) + #define STV_VDP2_RAKDBS ((STV_VDP2_KTCTL & 0x0002) >> 1) + #define STV_VDP2_RAKTE ((STV_VDP2_KTCTL & 0x0001) >> 0) + +/* 1800b6 - KTAOF - Coefficient Table Address Offset (Rotation Parameter A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | RBKTAOS2 | RBKTAOS1 | RBKTAOS0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | RAKTAOS2 | RAKTAOS1 | RAKTAOS0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_KTAOF (m_vdp2_regs[0x0b6/2]) + #define STV_VDP2_RBKTAOS ((STV_VDP2_KTAOF & 0x0700) >> 8) + #define STV_VDP2_RAKTAOS ((STV_VDP2_KTAOF & 0x0007) >> 0) + +/* 1800b8 - OVPNRA - Screen Over Pattern Name (Rotation Parameter A) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_OVPNRA (m_vdp2_regs[0x0b8/2]) + +/* 1800ba - Screen Over Pattern Name (Rotation Parameter B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_OVPNRB (m_vdp2_regs[0x0ba/2]) + +/* 1800bc - RPTAU - Rotation Parameter Table Address (Rotation Parameter A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | RPTA18 | RPTA17 | RPTA16 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_RPTAU (m_vdp2_regs[0x0bc/2] & 7) + +/* 1800be - RPTAL - Rotation Parameter Table Address (Rotation Parameter A,B) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | RPTA15 | RPTA14 | RPTA13 | RPTA12 | RPTA11 | RPTA10 | RPTA9 | RPTA8 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | RPTA7 | RPTA6 | RPTA5 | RPTA4 | RPTA3 | RPTA2 | RPTA1 | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_RPTAL (m_vdp2_regs[0x0be/2] & 0x0000ffff) + +/* 1800c0 - Window Position (W0, Horizontal Start Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPSX0 (m_vdp2_regs[0x0c0/2]) + + #define STV_VDP2_W0SX ((STV_VDP2_WPSX0 & 0x03ff) >> 0) + +/* 1800c2 - Window Position (W0, Vertical Start Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPSY0 (m_vdp2_regs[0x0c2/2]) + + #define STV_VDP2_W0SY ((STV_VDP2_WPSY0 & 0x03ff) >> 0) + +/* 1800c4 - Window Position (W0, Horizontal End Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPEX0 (m_vdp2_regs[0x0c4/2]) + + #define STV_VDP2_W0EX ((STV_VDP2_WPEX0 & 0x03ff) >> 0) + +/* 1800c6 - Window Position (W0, Vertical End Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPEY0 (m_vdp2_regs[0x0c6/2]) + + #define STV_VDP2_W0EY ((STV_VDP2_WPEY0 & 0x03ff) >> 0) + +/* 1800c8 - Window Position (W1, Horizontal Start Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPSX1 (m_vdp2_regs[0x0c8/2]) + + #define STV_VDP2_W1SX ((STV_VDP2_WPSX1 & 0x03ff) >> 0) + +/* 1800ca - Window Position (W1, Vertical Start Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPSY1 (m_vdp2_regs[0x0ca/2]) + + #define STV_VDP2_W1SY ((STV_VDP2_WPSY1 & 0x03ff) >> 0) + +/* 1800cc - Window Position (W1, Horizontal End Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPEX1 (m_vdp2_regs[0x0cc/2]) + + #define STV_VDP2_W1EX ((STV_VDP2_WPEX1 & 0x03ff) >> 0) + +/* 1800ce - Window Position (W1, Vertical End Point) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WPEY1 (m_vdp2_regs[0x0ce/2]) + + #define STV_VDP2_W1EY ((STV_VDP2_WPEY1 & 0x03ff) >> 0) + +/* 1800d0 - Window Control (NBG0, NBG1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WCTLA (m_vdp2_regs[0x0d0/2]) + #define STV_VDP2_N1LOG ((STV_VDP2_WCTLA & 0x8000) >> 15) + #define STV_VDP2_N1SWE ((STV_VDP2_WCTLA & 0x2000) >> 13) + #define STV_VDP2_N1SWA ((STV_VDP2_WCTLA & 0x1000) >> 12) + #define STV_VDP2_N1W1E ((STV_VDP2_WCTLA & 0x0800) >> 11) + #define STV_VDP2_N1W1A ((STV_VDP2_WCTLA & 0x0400) >> 10) + #define STV_VDP2_N1W0E ((STV_VDP2_WCTLA & 0x0200) >> 9) + #define STV_VDP2_N1W0A ((STV_VDP2_WCTLA & 0x0100) >> 8) + #define STV_VDP2_N0LOG ((STV_VDP2_WCTLA & 0x0080) >> 7) + #define STV_VDP2_N0SWE ((STV_VDP2_WCTLA & 0x0020) >> 5) + #define STV_VDP2_N0SWA ((STV_VDP2_WCTLA & 0x0010) >> 4) + #define STV_VDP2_N0W1E ((STV_VDP2_WCTLA & 0x0008) >> 3) + #define STV_VDP2_N0W1A ((STV_VDP2_WCTLA & 0x0004) >> 2) + #define STV_VDP2_N0W0E ((STV_VDP2_WCTLA & 0x0002) >> 1) + #define STV_VDP2_N0W0A ((STV_VDP2_WCTLA & 0x0001) >> 0) + +/* 1800d2 - Window Control (NBG2, NBG3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WCTLB (m_vdp2_regs[0x0d2/2]) + #define STV_VDP2_N3LOG ((STV_VDP2_WCTLB & 0x8000) >> 15) + #define STV_VDP2_N3SWE ((STV_VDP2_WCTLB & 0x2000) >> 13) + #define STV_VDP2_N3SWA ((STV_VDP2_WCTLB & 0x1000) >> 12) + #define STV_VDP2_N3W1E ((STV_VDP2_WCTLB & 0x0800) >> 11) + #define STV_VDP2_N3W1A ((STV_VDP2_WCTLB & 0x0400) >> 10) + #define STV_VDP2_N3W0E ((STV_VDP2_WCTLB & 0x0200) >> 9) + #define STV_VDP2_N3W0A ((STV_VDP2_WCTLB & 0x0100) >> 8) + #define STV_VDP2_N2LOG ((STV_VDP2_WCTLB & 0x0080) >> 7) + #define STV_VDP2_N2SWE ((STV_VDP2_WCTLB & 0x0020) >> 5) + #define STV_VDP2_N2SWA ((STV_VDP2_WCTLB & 0x0010) >> 4) + #define STV_VDP2_N2W1E ((STV_VDP2_WCTLB & 0x0008) >> 3) + #define STV_VDP2_N2W1A ((STV_VDP2_WCTLB & 0x0004) >> 2) + #define STV_VDP2_N2W0E ((STV_VDP2_WCTLB & 0x0002) >> 1) + #define STV_VDP2_N2W0A ((STV_VDP2_WCTLB & 0x0001) >> 0) + +/* 1800d4 - Window Control (RBG0, Sprite) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WCTLC (m_vdp2_regs[0x0d4/2]) + #define STV_VDP2_SPLOG ((STV_VDP2_WCTLC & 0x8000) >> 15) + #define STV_VDP2_SPSWE ((STV_VDP2_WCTLC & 0x2000) >> 13) + #define STV_VDP2_SPSWA ((STV_VDP2_WCTLC & 0x1000) >> 12) + #define STV_VDP2_SPW1E ((STV_VDP2_WCTLC & 0x0800) >> 11) + #define STV_VDP2_SPW1A ((STV_VDP2_WCTLC & 0x0400) >> 10) + #define STV_VDP2_SPW0E ((STV_VDP2_WCTLC & 0x0200) >> 9) + #define STV_VDP2_SPW0A ((STV_VDP2_WCTLC & 0x0100) >> 8) + #define STV_VDP2_R0LOG ((STV_VDP2_WCTLC & 0x0080) >> 7) + #define STV_VDP2_R0SWE ((STV_VDP2_WCTLC & 0x0020) >> 5) + #define STV_VDP2_R0SWA ((STV_VDP2_WCTLC & 0x0010) >> 4) + #define STV_VDP2_R0W1E ((STV_VDP2_WCTLC & 0x0008) >> 3) + #define STV_VDP2_R0W1A ((STV_VDP2_WCTLC & 0x0004) >> 2) + #define STV_VDP2_R0W0E ((STV_VDP2_WCTLC & 0x0002) >> 1) + #define STV_VDP2_R0W0A ((STV_VDP2_WCTLC & 0x0001) >> 0) + +/* 1800d6 - Window Control (Parameter Window, Colour Calc. Window) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_WCTLD (m_vdp2_regs[0x0d6/2]) + #define STV_VDP2_CCLOG ((STV_VDP2_WCTLD & 0x8000) >> 15) + #define STV_VDP2_CCSWE ((STV_VDP2_WCTLD & 0x2000) >> 13) + #define STV_VDP2_CCSWA ((STV_VDP2_WCTLD & 0x1000) >> 12) + #define STV_VDP2_CCW1E ((STV_VDP2_WCTLD & 0x0800) >> 11) + #define STV_VDP2_CCW1A ((STV_VDP2_WCTLD & 0x0400) >> 10) + #define STV_VDP2_CCW0E ((STV_VDP2_WCTLD & 0x0200) >> 9) + #define STV_VDP2_CCW0A ((STV_VDP2_WCTLD & 0x0100) >> 8) + #define STV_VDP2_RPLOG ((STV_VDP2_WCTLD & 0x0080) >> 7) + #define STV_VDP2_RPW1E ((STV_VDP2_WCTLD & 0x0008) >> 3) + #define STV_VDP2_RPW1A ((STV_VDP2_WCTLD & 0x0004) >> 2) + #define STV_VDP2_RPW0E ((STV_VDP2_WCTLD & 0x0002) >> 1) + #define STV_VDP2_RPW0A ((STV_VDP2_WCTLD & 0x0001) >> 0) + +/* 1800d8 - Line Window Table Address (W0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LWTA0U (m_vdp2_regs[0x0d8/2]) + + #define STV_VDP2_W0LWE ((STV_VDP2_LWTA0U & 0x8000) >> 15) + +/* 1800da - Line Window Table Address (W0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LWTA0L (m_vdp2_regs[0x0da/2]) + + /* bit 19 isn't used when VRAM = 4 Mbit */ + #define STV_VDP2_W0LWTA (((STV_VDP2_LWTA0U & 0x0007) << 16) | (STV_VDP2_LWTA0L & 0xfffe)) + + +/* 1800dc - Line Window Table Address (W1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LWTA1U (m_vdp2_regs[0x0dc/2]) + + #define STV_VDP2_W1LWE ((STV_VDP2_LWTA1U & 0x8000) >> 15) + + +/* 1800de - Line Window Table Address (W1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LWTA1L (m_vdp2_regs[0x0de/2]) + + /* bit 19 isn't used when VRAM = 4 Mbit */ + #define STV_VDP2_W1LWTA (((STV_VDP2_LWTA1U & 0x0007) << 16) | (STV_VDP2_LWTA1L & 0xfffe)) + + +/* 1800e0 - Sprite Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | SPCCCS1 | SPCCCS0 | -- | SPCCN2 | SPCCN1 | SPCCN0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | SPCLMD | SPWINEN | SPTYPE3 | SPTYPE2 | SPTYPE1 | SPTYPE0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SPCTL (m_vdp2_regs[0xe0/2]) + #define STV_VDP2_SPCCCS ((STV_VDP2_SPCTL & 0x3000) >> 12) + #define STV_VDP2_SPCCN ((STV_VDP2_SPCTL & 0x700) >> 8) + #define STV_VDP2_SPCLMD ((STV_VDP2_SPCTL & 0x20) >> 5) + #define STV_VDP2_SPWINEN ((STV_VDP2_SPCTL & 0x10) >> 4) + #define STV_VDP2_SPTYPE (STV_VDP2_SPCTL & 0xf) + +/* 1800e2 - Shadow Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SDCTL (m_vdp2_regs[0x0e2/2]) + +/* 1800e4 - CRAOFA - Colour Ram Address Offset (NBG0 - NBG3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | N0CAOS2 | N3CAOS1 | N3CAOS0 | -- | N2CAOS2 | N2CAOS1 | N2CAOS0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | N1CAOS2 | N1CAOS1 | N1CAOS0 | -- | N0CAOS2 | N0CAOS1 | N0CAOS0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CRAOFA (m_vdp2_regs[0x0e4/2]) + + /* NxCAOS = */ + #define STV_VDP2_N0CAOS ((STV_VDP2_CRAOFA & 0x0007) >> 0) + #define STV_VDP2_N1CAOS ((STV_VDP2_CRAOFA & 0x0070) >> 4) + #define STV_VDP2_N2CAOS ((STV_VDP2_CRAOFA & 0x0700) >> 8) + #define STV_VDP2_N3CAOS ((STV_VDP2_CRAOFA & 0x7000) >> 12) + + +/* 1800e6 - Colour Ram Address Offset (RBG0, SPRITE) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_CRAOFB (m_vdp2_regs[0x0e6/2]) + #define STV_VDP2_R0CAOS ((STV_VDP2_CRAOFB & 0x0007) >> 0) + #define STV_VDP2_SPCAOS ((STV_VDP2_CRAOFB & 0x0070) >> 4) + +/* 1800e8 - LNCLEN - Line Colour Screen Enable + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | SPLCEN | R0LCEN | N3LCEN | N2LCEN | N1LCEN | N0LCEN | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_LNCLEN (m_vdp2_regs[0x0e8/2]) + #define STV_VDP2_SPLCEN ((STV_VDP2_LNCLEN & 0x0020) >> 5) + #define STV_VDP2_R0LCEN ((STV_VDP2_LNCLEN & 0x0010) >> 4) + #define STV_VDP2_N3LCEN ((STV_VDP2_LNCLEN & 0x0008) >> 3) + #define STV_VDP2_N2LCEN ((STV_VDP2_LNCLEN & 0x0004) >> 2) + #define STV_VDP2_N1LCEN ((STV_VDP2_LNCLEN & 0x0002) >> 1) + #define STV_VDP2_N0LCEN ((STV_VDP2_LNCLEN & 0x0001) >> 0) + +/* 1800ea - Special Priority Mode + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SFPRMD (m_vdp2_regs[0x0ea/2]) + + +/* 1800ec - Colour Calculation Control + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | BOKEN | BOKN2 | BOKN1 | BOKN0 | -- | EXCCEN | CCRTMD | CCMD | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | SPCCEN | LCCCEN | R0CCEN | N3CCEN | N2CCEN | N1CCEN | N0CCEN | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCCR (m_vdp2_regs[0x0ec/2]) + #define STV_VDP2_CCMD ((STV_VDP2_CCCR & 0x100) >> 8) + #define STV_VDP2_SPCCEN ((STV_VDP2_CCCR & 0x40) >> 6) + #define STV_VDP2_LCCCEN ((STV_VDP2_CCCR & 0x20) >> 5) + #define STV_VDP2_R0CCEN ((STV_VDP2_CCCR & 0x10) >> 4) + #define STV_VDP2_N3CCEN ((STV_VDP2_CCCR & 0x8) >> 3) + #define STV_VDP2_N2CCEN ((STV_VDP2_CCCR & 0x4) >> 2) + #define STV_VDP2_N1CCEN ((STV_VDP2_CCCR & 0x2) >> 1) + #define STV_VDP2_N0CCEN ((STV_VDP2_CCCR & 0x1) >> 0) + + +/* 1800ee - Special Colour Calculation Mode + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_SFCCMD (m_vdp2_regs[0x0ee/2]) + +/* 1800f0 - Priority Number (Sprite 0,1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | S1PRIN2 | S1PRIN1 | S1PRIN0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | S0PRIN2 | S0PRIN1 | S0PRIN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRISA (m_vdp2_regs[0x0f0/2]) + #define STV_VDP2_S1PRIN ((STV_VDP2_PRISA & 0x0700) >> 8) + #define STV_VDP2_S0PRIN ((STV_VDP2_PRISA & 0x0007) >> 0) + +/* 1800f2 - Priority Number (Sprite 2,3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | S3PRIN2 | S3PRIN1 | S3PRIN0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | S2PRIN2 | S2PRIN1 | S2PRIN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRISB (m_vdp2_regs[0x0f2/2]) + #define STV_VDP2_S3PRIN ((STV_VDP2_PRISB & 0x0700) >> 8) + #define STV_VDP2_S2PRIN ((STV_VDP2_PRISB & 0x0007) >> 0) + +/* 1800f4 - Priority Number (Sprite 4,5) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | S5PRIN2 | S5PRIN1 | S5PRIN0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | S4PRIN2 | S4PRIN1 | S4PRIN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRISC (m_vdp2_regs[0x0f4/2]) + #define STV_VDP2_S5PRIN ((STV_VDP2_PRISC & 0x0700) >> 8) + #define STV_VDP2_S4PRIN ((STV_VDP2_PRISC & 0x0007) >> 0) + +/* 1800f6 - Priority Number (Sprite 6,7) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | S7PRIN2 | S7PRIN1 | S7PRIN0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | S6PRIN2 | S6PRIN1 | S6PRIN0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRISD (m_vdp2_regs[0x0f6/2]) + #define STV_VDP2_S7PRIN ((STV_VDP2_PRISD & 0x0700) >> 8) + #define STV_VDP2_S6PRIN ((STV_VDP2_PRISD & 0x0007) >> 0) + + +/* 1800f8 - PRINA - Priority Number (NBG 0,1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRINA (m_vdp2_regs[0x0f8/2]) + + #define STV_VDP2_N1PRIN ((STV_VDP2_PRINA & 0x0700) >> 8) + #define STV_VDP2_N0PRIN ((STV_VDP2_PRINA & 0x0007) >> 0) + +/* 1800fa - PRINB - Priority Number (NBG 2,3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_PRINB (m_vdp2_regs[0x0fa/2]) + + #define STV_VDP2_N3PRIN ((STV_VDP2_PRINB & 0x0700) >> 8) + #define STV_VDP2_N2PRIN ((STV_VDP2_PRINB & 0x0007) >> 0) + +/* 1800fc - Priority Number (RBG0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_PRIR (m_vdp2_regs[0x0fc/2]) + + #define STV_VDP2_R0PRIN ((STV_VDP2_PRIR & 0x0007) >> 0) + +/* 1800fe - Reserved + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + +/* 180100 - Colour Calculation Ratio (Sprite 0,1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | S1CCRT4 | S1CCRT3 | S1CCRT2 | S1CCRT1 | S1CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | S0CCRT4 | S0CCRT3 | S0CCRT2 | S0CCRT1 | S0CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRSA (m_vdp2_regs[0x100/2]) + #define STV_VDP2_S1CCRT ((STV_VDP2_CCRSA & 0x1f00) >> 8) + #define STV_VDP2_S0CCRT ((STV_VDP2_CCRSA & 0x001f) >> 0) + +/* 180102 - Colour Calculation Ratio (Sprite 2,3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | S3CCRT4 | S3CCRT3 | S3CCRT2 | S3CCRT1 | S3CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | S2CCRT4 | S2CCRT3 | S2CCRT2 | S2CCRT1 | S2CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRSB (m_vdp2_regs[0x102/2]) + #define STV_VDP2_S3CCRT ((STV_VDP2_CCRSB & 0x1f00) >> 8) + #define STV_VDP2_S2CCRT ((STV_VDP2_CCRSB & 0x001f) >> 0) + +/* 180104 - Colour Calculation Ratio (Sprite 4,5) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | S5CCRT4 | S5CCRT3 | S5CCRT2 | S5CCRT1 | S5CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | S4CCRT4 | S4CCRT3 | S4CCRT2 | S4CCRT1 | S4CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRSC (m_vdp2_regs[0x104/2]) + #define STV_VDP2_S5CCRT ((STV_VDP2_CCRSC & 0x1f00) >> 8) + #define STV_VDP2_S4CCRT ((STV_VDP2_CCRSC & 0x001f) >> 0) + +/* 180106 - Colour Calculation Ratio (Sprite 6,7) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | S7CCRT4 | S7CCRT3 | S7CCRT2 | S7CCRT1 | S7CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | S6CCRT4 | S6CCRT3 | S6CCRT2 | S6CCRT1 | S6CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRSD (m_vdp2_regs[0x106/2]) + #define STV_VDP2_S7CCRT ((STV_VDP2_CCRSD & 0x1f00) >> 8) + #define STV_VDP2_S6CCRT ((STV_VDP2_CCRSD & 0x001f) >> 0) + +/* 180108 - Colour Calculation Ratio (NBG 0,1) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | N1CCRT4 | N1CCRT3 | N1CCRT2 | N1CCRT1 | N1CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | N0CCRT4 | N0CCRT3 | N0CCRT2 | N0CCRT1 | N0CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRNA (m_vdp2_regs[0x108/2]) + #define STV_VDP2_N1CCRT ((STV_VDP2_CCRNA & 0x1f00) >> 8) + #define STV_VDP2_N0CCRT (STV_VDP2_CCRNA & 0x1f) + +/* 18010a - Colour Calculation Ratio (NBG 2,3) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | N3CCRT4 | N3CCRT3 | N3CCRT2 | N3CCRT1 | N3CCRT0 | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | N2CCRT4 | N2CCRT3 | N2CCRT2 | N2CCRT1 | N2CCRT0 | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRNB (m_vdp2_regs[0x10a/2]) + #define STV_VDP2_N3CCRT ((STV_VDP2_CCRNB & 0x1f00) >> 8) + #define STV_VDP2_N2CCRT (STV_VDP2_CCRNB & 0x1f) + +/* 18010c - Colour Calculation Ratio (RBG 0) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRR (m_vdp2_regs[0x10c/2]) + #define STV_VDP2_R0CCRT (STV_VDP2_CCRR & 0x1f) + +/* 18010e - Colour Calculation Ratio (Line Colour Screen, Back Colour Screen) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CCRLB (m_vdp2_regs[0x10e/2]) + + +/* 180110 - Colour Offset Enable + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CLOFEN (m_vdp2_regs[0x110/2]) + #define STV_VDP2_N0COEN ((STV_VDP2_CLOFEN & 0x01) >> 0) + #define STV_VDP2_N1COEN ((STV_VDP2_CLOFEN & 0x02) >> 1) + #define STV_VDP2_N2COEN ((STV_VDP2_CLOFEN & 0x04) >> 2) + #define STV_VDP2_N3COEN ((STV_VDP2_CLOFEN & 0x08) >> 3) + #define STV_VDP2_R0COEN ((STV_VDP2_CLOFEN & 0x10) >> 4) + #define STV_VDP2_BKCOEN ((STV_VDP2_CLOFEN & 0x20) >> 5) + #define STV_VDP2_SPCOEN ((STV_VDP2_CLOFEN & 0x40) >> 6) + +/* 180112 - Colour Offset Select + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_CLOFSL (m_vdp2_regs[0x112/2]) + #define STV_VDP2_N0COSL ((STV_VDP2_CLOFSL & 0x01) >> 0) + #define STV_VDP2_N1COSL ((STV_VDP2_CLOFSL & 0x02) >> 1) + #define STV_VDP2_N2COSL ((STV_VDP2_CLOFSL & 0x04) >> 2) + #define STV_VDP2_N3COSL ((STV_VDP2_CLOFSL & 0x08) >> 3) + #define STV_VDP2_R0COSL ((STV_VDP2_CLOFSL & 0x10) >> 4) + #define STV_VDP2_BKCOSL ((STV_VDP2_CLOFSL & 0x20) >> 5) + #define STV_VDP2_SPCOSL ((STV_VDP2_CLOFSL & 0x40) >> 6) + +/* 180114 - Colour Offset A (Red) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_COAR (m_vdp2_regs[0x114/2]) + +/* 180116 - Colour Offset A (Green) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_COAG (m_vdp2_regs[0x116/2]) + +/* 180118 - Colour Offset A (Blue) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + + #define STV_VDP2_COAB (m_vdp2_regs[0x118/2]) + +/* 18011a - Colour Offset B (Red) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_COBR (m_vdp2_regs[0x11a/2]) + +/* 18011c - Colour Offset B (Green) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_COBG (m_vdp2_regs[0x11c/2]) + +/* 18011e - Colour Offset B (Blue) + bit-> /----15----|----14----|----13----|----12----|----11----|----10----|----09----|----08----\ + | -- | -- | -- | -- | -- | -- | -- | -- | + |----07----|----06----|----05----|----04----|----03----|----02----|----01----|----00----| + | -- | -- | -- | -- | -- | -- | -- | -- | + \----------|----------|----------|----------|----------|----------|----------|---------*/ + #define STV_VDP2_COBB (m_vdp2_regs[0x11e/2]) + + +#define STV_VDP2_RBG_ROTATION_PARAMETER_A 1 +#define STV_VDP2_RBG_ROTATION_PARAMETER_B 2 + + +#define mul_fixed32( a, b ) mul_32x32_shift( a, b, 16 ) + +void saturn_state::stv_vdp2_fill_rotation_parameter_table( UINT8 rot_parameter ) +{ + UINT32 address = 0; + + address = (((STV_VDP2_RPTAU << 16) | STV_VDP2_RPTAL) << 1); + if ( rot_parameter == 1 ) + { + address &= ~0x00000080; + } + else if ( rot_parameter == 2 ) + { + address |= 0x00000080; + } + + stv_current_rotation_parameter_table.xst = (m_vdp2_vram[address/4] & 0x1fffffc0) | ((m_vdp2_vram[address/4] & 0x10000000) ? 0xe0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.yst = (m_vdp2_vram[address/4 + 1] & 0x1fffffc0) | ((m_vdp2_vram[address/4 + 1] & 0x10000000) ? 0xe0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.zst = (m_vdp2_vram[address/4 + 2] & 0x1fffffc0) | ((m_vdp2_vram[address/4 + 2] & 0x10000000) ? 0xe0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.dxst = (m_vdp2_vram[address/4 + 3] & 0x0007ffc0) | ((m_vdp2_vram[address/4 + 3] & 0x00040000) ? 0xfff80000 : 0x00000000 ); + stv_current_rotation_parameter_table.dyst = (m_vdp2_vram[address/4 + 4] & 0x0007ffc0) | ((m_vdp2_vram[address/4 + 4] & 0x00040000) ? 0xfff80000 : 0x00000000 ); + stv_current_rotation_parameter_table.dx = (m_vdp2_vram[address/4 + 5] & 0x0007ffc0) | ((m_vdp2_vram[address/4 + 5] & 0x00040000) ? 0xfff80000 : 0x00000000 ); + stv_current_rotation_parameter_table.dy = (m_vdp2_vram[address/4 + 6] & 0x0007ffc0) | ((m_vdp2_vram[address/4 + 6] & 0x00040000) ? 0xfff80000 : 0x00000000 ); + stv_current_rotation_parameter_table.A = (m_vdp2_vram[address/4 + 7] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 7] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.B = (m_vdp2_vram[address/4 + 8] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 8] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.C = (m_vdp2_vram[address/4 + 9] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 9] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.D = (m_vdp2_vram[address/4 + 10] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 10] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.E = (m_vdp2_vram[address/4 + 11] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 11] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.F = (m_vdp2_vram[address/4 + 12] & 0x000fffc0) | ((m_vdp2_vram[address/4 + 12] & 0x00080000) ? 0xfff00000 : 0x00000000 ); + stv_current_rotation_parameter_table.px = (m_vdp2_vram[address/4 + 13] & 0x3fff0000) | ((m_vdp2_vram[address/4 + 13] & 0x30000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.py = (m_vdp2_vram[address/4 + 13] & 0x00003fff) << 16; + if ( stv_current_rotation_parameter_table.py & 0x20000000 ) stv_current_rotation_parameter_table.py |= 0xc0000000; + stv_current_rotation_parameter_table.pz = (m_vdp2_vram[address/4 + 14] & 0x3fff0000) | ((m_vdp2_vram[address/4 + 14] & 0x20000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.cx = (m_vdp2_vram[address/4 + 15] & 0x3fff0000) | ((m_vdp2_vram[address/4 + 15] & 0x20000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.cy = (m_vdp2_vram[address/4 + 15] & 0x00003fff) << 16; + if ( stv_current_rotation_parameter_table.cy & 0x20000000 ) stv_current_rotation_parameter_table.cy |= 0xc0000000; + stv_current_rotation_parameter_table.cz = (m_vdp2_vram[address/4 + 16] & 0x3fff0000) | ((m_vdp2_vram[address/4 + 16] & 0x20000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.mx = (m_vdp2_vram[address/4 + 17] & 0x3fffffc0) | ((m_vdp2_vram[address/4 + 17] & 0x20000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.my = (m_vdp2_vram[address/4 + 18] & 0x3fffffc0) | ((m_vdp2_vram[address/4 + 18] & 0x20000000) ? 0xc0000000 : 0x00000000 ); + stv_current_rotation_parameter_table.kx = (m_vdp2_vram[address/4 + 19] & 0x00ffffff) | ((m_vdp2_vram[address/4 + 19] & 0x00800000) ? 0xff000000 : 0x00000000 ); + stv_current_rotation_parameter_table.ky = (m_vdp2_vram[address/4 + 20] & 0x00ffffff) | ((m_vdp2_vram[address/4 + 20] & 0x00800000) ? 0xff000000 : 0x00000000 ); + stv_current_rotation_parameter_table.kast = (m_vdp2_vram[address/4 + 21] & 0xffffffc0); + stv_current_rotation_parameter_table.dkast= (m_vdp2_vram[address/4 + 22] & 0x03ffffc0) | ((m_vdp2_vram[address/4 + 22] & 0x02000000) ? 0xfc000000 : 0x00000000 ); + stv_current_rotation_parameter_table.dkax = (m_vdp2_vram[address/4 + 23] & 0x03ffffc0) | ((m_vdp2_vram[address/4 + 23] & 0x02000000) ? 0xfc000000 : 0x00000000 ); + +#define RP stv_current_rotation_parameter_table + + if(LOG_ROZ == 1) logerror( "Rotation parameter table (%d)\n", rot_parameter ); + if(LOG_ROZ == 1) logerror( "xst = %x, yst = %x, zst = %x\n", RP.xst, RP.yst, RP.zst ); + if(LOG_ROZ == 1) logerror( "dxst = %x, dyst = %x\n", RP.dxst, RP.dyst ); + if(LOG_ROZ == 1) logerror( "dx = %x, dy = %x\n", RP.dx, RP.dy ); + if(LOG_ROZ == 1) logerror( "A = %x, B = %x, C = %x, D = %x, E = %x, F = %x\n", RP.A, RP.B, RP.C, RP.D, RP.E, RP.F ); + if(LOG_ROZ == 1) logerror( "px = %x, py = %x, pz = %x\n", RP.px, RP.py, RP.pz ); + if(LOG_ROZ == 1) logerror( "cx = %x, cy = %x, cz = %x\n", RP.cx, RP.cy, RP.cz ); + if(LOG_ROZ == 1) logerror( "mx = %x, my = %x\n", RP.mx, RP.my ); + if(LOG_ROZ == 1) logerror( "kx = %x, ky = %x\n", RP.kx, RP.ky ); + if(LOG_ROZ == 1) logerror( "kast = %x, dkast = %x, dkax = %x\n", RP.kast, RP.dkast, RP.dkax ); + + /*Attempt to show on screen the rotation table*/ + #if 0 + if(LOG_ROZ == 2) + { + if(machine().input().code_pressed_once(JOYCODE_Y_UP_SWITCH)) + m_vdpdebug_roz++; + + if(machine().input().code_pressed_once(JOYCODE_Y_DOWN_SWITCH)) + m_vdpdebug_roz--; + + if(m_vdpdebug_roz > 10) + m_vdpdebug_roz = 10; + + switch(m_vdpdebug_roz) + { + case 0: popmessage( "Rotation parameter Table (%d)", rot_parameter ); break; + case 1: popmessage( "xst = %x, yst = %x, zst = %x", RP.xst, RP.yst, RP.zst ); break; + case 2: popmessage( "dxst = %x, dyst = %x", RP.dxst, RP.dyst ); break; + case 3: popmessage( "dx = %x, dy = %x", RP.dx, RP.dy ); break; + case 4: popmessage( "A = %x, B = %x, C = %x, D = %x, E = %x, F = %x", RP.A, RP.B, RP.C, RP.D, RP.E, RP.F ); break; + case 5: popmessage( "px = %x, py = %x, pz = %x", RP.px, RP.py, RP.pz ); break; + case 6: popmessage( "cx = %x, cy = %x, cz = %x", RP.cx, RP.cy, RP.cz ); break; + case 7: popmessage( "mx = %x, my = %x", RP.mx, RP.my ); break; + case 8: popmessage( "kx = %x, ky = %x", RP.kx, RP.ky ); break; + case 9: popmessage( "kast = %x, dkast = %x, dkax = %x", RP.kast, RP.dkast, RP.dkax ); break; + case 10: break; + } + } + #endif +} + +/* check if RGB layer has rotation applied */ +UINT8 saturn_state::stv_vdp2_is_rotation_applied(void) +{ +#define _FIXED_1 (0x00010000) +#define _FIXED_0 (0x00000000) + + if ( RP.A == _FIXED_1 && + RP.B == _FIXED_0 && + RP.C == _FIXED_0 && + RP.D == _FIXED_0 && + RP.E == _FIXED_1 && + RP.F == _FIXED_0 && + RP.dxst == _FIXED_0 && + RP.dyst == _FIXED_1 && + RP.dx == _FIXED_1 && + RP.dy == _FIXED_0 && + RP.kx == _FIXED_1 && + RP.ky == _FIXED_1 ) + { + return 0; + } + else + { + return 1; + } +} + +UINT8 saturn_state::stv_vdp2_are_map_registers_equal(void) +{ + int i; + + for ( i = 1; i < stv2_current_tilemap.map_count; i++ ) + { + if ( stv2_current_tilemap.map_offset[i] != stv2_current_tilemap.map_offset[0] ) + { + return 0; + } + } + return 1; +} + +void saturn_state::stv_vdp2_check_fade_control_for_layer( void ) +{ + if ( stv2_current_tilemap.fade_control & 1 ) + { + if ( stv2_current_tilemap.fade_control & 2 ) + { + if ((STV_VDP2_COBR & 0x1ff) == 0 && + (STV_VDP2_COBG & 0x1ff) == 0 && + (STV_VDP2_COBB & 0x1ff) == 0 ) + { + stv2_current_tilemap.fade_control = 0; + } + } + else + { + if ((STV_VDP2_COAR & 0x1ff) == 0 && + (STV_VDP2_COAG & 0x1ff) == 0 && + (STV_VDP2_COAB & 0x1ff) == 0 ) + { + stv2_current_tilemap.fade_control = 0; + } + } + } +} + +#define STV_VDP2_CP_NBG0_PNMDR 0x0 +#define STV_VDP2_CP_NBG1_PNMDR 0x1 +#define STV_VDP2_CP_NBG2_PNMDR 0x2 +#define STV_VDP2_CP_NBG3_PNMDR 0x3 +#define STV_VDP2_CP_NBG0_CPDR 0x4 +#define STV_VDP2_CP_NBG1_CPDR 0x5 +#define STV_VDP2_CP_NBG2_CPDR 0x6 +#define STV_VDP2_CP_NBG3_CPDR 0x7 + +UINT8 saturn_state::stv_vdp2_check_vram_cycle_pattern_registers( UINT8 access_command_pnmdr, UINT8 access_command_cpdr, UINT8 bitmap_enable ) +{ + int i; + UINT8 access_command_ok = 0; + UINT16 cp_regs[8]; + cp_regs[0] = STV_VDP2_CYCA0L; + cp_regs[1] = STV_VDP2_CYCA0U; + cp_regs[2] = STV_VDP2_CYCA1L; + cp_regs[3] = STV_VDP2_CYCA1U; + cp_regs[4] = STV_VDP2_CYCA2L; + cp_regs[5] = STV_VDP2_CYCA2U; + cp_regs[6] = STV_VDP2_CYCA3L; + cp_regs[7] = STV_VDP2_CYCA3U; + + if ( bitmap_enable ) access_command_ok = 1; + + for ( i = 0; i < 8; i++ ) + { + if ( ((cp_regs[i] >> 12) & 0xf) == access_command_pnmdr ) + { + access_command_ok |= 1; + } + if ( ((cp_regs[i] >> 12) & 0xf) == access_command_cpdr ) + { + access_command_ok |= 2; + } + if ( ((cp_regs[i] >> 8) & 0xf) == access_command_pnmdr ) + { + access_command_ok |= 1; + } + if ( ((cp_regs[i] >> 8) & 0xf) == access_command_cpdr ) + { + access_command_ok |= 2; + } + if ( ((cp_regs[i] >> 4) & 0xf) == access_command_pnmdr ) + { + access_command_ok |= 1; + } + if ( ((cp_regs[i] >> 4) & 0xf) == access_command_cpdr ) + { + access_command_ok |= 2; + } + if ( ((cp_regs[i] >> 0) & 0xf) == access_command_pnmdr ) + { + access_command_ok |= 1; + } + if ( ((cp_regs[i] >> 0) & 0xf) == access_command_cpdr ) + { + access_command_ok |= 2; + } + } + return access_command_ok == 3 ? 1 : 0; +} + +INLINE UINT32 stv_add_blend(UINT32 a, UINT32 b) +{ + rgb_t rb = (a & 0xff00ff) + (b & 0xff00ff); + rgb_t g = (a & 0x00ff00) + (b & 0x00ff00); + return rgb_t((rb & 0x1000000) ? 0xff : rb.r(), + (g & 0x0010000) ? 0xff : g.g(), + (rb & 0x0000100) ? 0xff : rb.b() + ); +} + + +void saturn_state::stv_vdp2_compute_color_offset( int *r, int *g, int *b, int cor ) +{ + if ( cor == 0 ) + { + *r = (STV_VDP2_COAR & 0x100) ? (*r - (0x100 - (STV_VDP2_COAR & 0xff))) : ((STV_VDP2_COAR & 0xff) + *r); + *g = (STV_VDP2_COAG & 0x100) ? (*g - (0x100 - (STV_VDP2_COAG & 0xff))) : ((STV_VDP2_COAG & 0xff) + *g); + *b = (STV_VDP2_COAB & 0x100) ? (*b - (0x100 - (STV_VDP2_COAB & 0xff))) : ((STV_VDP2_COAB & 0xff) + *b); + } + else + { + *r = (STV_VDP2_COBR & 0x100) ? (*r - (0xff - (STV_VDP2_COBR & 0xff))) : ((STV_VDP2_COBR & 0xff) + *r); + *g = (STV_VDP2_COBG & 0x100) ? (*g - (0xff - (STV_VDP2_COBG & 0xff))) : ((STV_VDP2_COBG & 0xff) + *g); + *b = (STV_VDP2_COBB & 0x100) ? (*b - (0xff - (STV_VDP2_COBB & 0xff))) : ((STV_VDP2_COBB & 0xff) + *b); + } + if(*r < 0) { *r = 0; } + if(*r > 0xff) { *r = 0xff; } + if(*g < 0) { *g = 0; } + if(*g > 0xff) { *g = 0xff; } + if(*b < 0) { *b = 0; } + if(*b > 0xff) { *b = 0xff; } +} + +void saturn_state::stv_vdp2_compute_color_offset_UINT32(rgb_t *rgb, int cor) +{ + int _r = rgb->r(); + int _g = rgb->g(); + int _b = rgb->b(); + if ( cor == 0 ) + { + _r = (STV_VDP2_COAR & 0x100) ? (_r - (0x100 - (STV_VDP2_COAR & 0xff))) : ((STV_VDP2_COAR & 0xff) + _r); + _g = (STV_VDP2_COAG & 0x100) ? (_g - (0x100 - (STV_VDP2_COAG & 0xff))) : ((STV_VDP2_COAG & 0xff) + _g); + _b = (STV_VDP2_COAB & 0x100) ? (_b - (0x100 - (STV_VDP2_COAB & 0xff))) : ((STV_VDP2_COAB & 0xff) + _b); + } + else + { + _r = (STV_VDP2_COBR & 0x100) ? (_r - (0xff - (STV_VDP2_COBR & 0xff))) : ((STV_VDP2_COBR & 0xff) + _r); + _g = (STV_VDP2_COBG & 0x100) ? (_g - (0xff - (STV_VDP2_COBG & 0xff))) : ((STV_VDP2_COBG & 0xff) + _g); + _b = (STV_VDP2_COBB & 0x100) ? (_b - (0xff - (STV_VDP2_COBB & 0xff))) : ((STV_VDP2_COBB & 0xff) + _b); + } + if(_r < 0) { _r = 0; } + if(_r > 0xff) { _r = 0xff; } + if(_g < 0) { _g = 0; } + if(_g > 0xff) { _g = 0xff; } + if(_b < 0) { _b = 0; } + if(_b > 0xff) { _b = 0xff; } + + *rgb = rgb_t(_r, _g, _b); +} + +void saturn_state::stv_vdp2_drawgfxzoom( + bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, + UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy, + int transparency,int transparent_color,int scalex, int scaley, + int sprite_screen_width, int sprite_screen_height, int alpha) +{ + rectangle myclip; + + if (!scalex || !scaley) return; + + if (gfx->has_pen_usage() && transparency == STV_TRANSPARENCY_PEN) + { + int transmask = 0; + + transmask = 1 << (transparent_color & 0xff); + + if ((gfx->pen_usage(code) & ~transmask) == 0) + /* character is totally transparent, no need to draw */ + return; + else if ((gfx->pen_usage(code) & transmask) == 0) + /* character is totally opaque, can disable transparency */ + transparency = STV_TRANSPARENCY_NONE; + } + + /* + scalex and scaley are 16.16 fixed point numbers + 1<<15 : shrink to 50% + 1<<16 : uniform scale + 1<<17 : double to 200% + */ + + + /* KW 991012 -- Added code to force clip to bitmap boundary */ + myclip = clip; + myclip &= dest_bmp.cliprect(); + + if( gfx ) + { + const pen_t *pal = &m_palette->pen(gfx->colorbase() + gfx->granularity() * (color % gfx->colors())); + const UINT8 *source_base = gfx->get_data(code % gfx->elements()); + + //int sprite_screen_height = (scaley*gfx->height()+0x8000)>>16; + //int sprite_screen_width = (scalex*gfx->width()+0x8000)>>16; + + if (sprite_screen_width && sprite_screen_height) + { + /* compute sprite increment per screen pixel */ + //int dx = (gfx->width()<<16)/sprite_screen_width; + //int dy = (gfx->height()<<16)/sprite_screen_height; + int dx = stv2_current_tilemap.incx; + int dy = stv2_current_tilemap.incy; + + int ex = sx+sprite_screen_width; + int ey = sy+sprite_screen_height; + + int x_index_base; + int y_index; + + if( flipx ) + { + x_index_base = (sprite_screen_width-1)*dx; + dx = -dx; + } + else + { + x_index_base = 0; + } + + if( flipy ) + { + y_index = (sprite_screen_height-1)*dy; + dy = -dy; + } + else + { + y_index = 0; + } + + if( sx < myclip.min_x) + { /* clip left */ + int pixels = myclip.min_x-sx; + sx += pixels; + x_index_base += pixels*dx; + } + if( sy < myclip.min_y ) + { /* clip top */ + int pixels = myclip.min_y-sy; + sy += pixels; + y_index += pixels*dy; + } + /* NS 980211 - fixed incorrect clipping */ + if( ex > myclip.max_x+1 ) + { /* clip right */ + int pixels = ex-myclip.max_x-1; + ex -= pixels; + } + if( ey > myclip.max_y+1 ) + { /* clip bottom */ + int pixels = ey-myclip.max_y-1; + ey -= pixels; + } + + if( ex>sx ) + { /* skip if inner loop doesn't draw anything */ + int y; + + /* case 0: STV_TRANSPARENCY_NONE */ + if (transparency == STV_TRANSPARENCY_NONE) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = source_base + (y_index>>16) * gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + if(stv_vdp2_window_process(x,y)) + dest[x] = pal[source[x_index>>16]]; + x_index += dx; + } + + y_index += dy; + } + } /* case 1: STV_TRANSPARENCY_PEN */ + else if (transparency == STV_TRANSPARENCY_PEN) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = source_base + (y_index>>16) * gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + if(stv_vdp2_window_process(x,y)) + { + int c = source[x_index>>16]; + if( c != transparent_color ) dest[x] = pal[c]; + } + x_index += dx; + } + + y_index += dy; + } + } /* case 6: STV_TRANSPARENCY_ALPHA */ + else if (transparency == STV_TRANSPARENCY_ALPHA) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = source_base + (y_index>>16) * gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + if(stv_vdp2_window_process(x,y)) + { + int c = source[x_index>>16]; + if( c != transparent_color ) dest[x] = alpha_blend_r32(dest[x], pal[c], alpha); + } + x_index += dx; + } + + y_index += dy; + } + } /* case : STV_TRANSPARENCY_ADD_BLEND */ + else if (transparency == STV_TRANSPARENCY_ADD_BLEND ) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = source_base + (y_index>>16) * gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + if(stv_vdp2_window_process(x,y)) + { + int c = source[x_index>>16]; + if( c != transparent_color ) dest[x] = stv_add_blend(dest[x],pal[c]); + } + x_index += dx; + } + + y_index += dy; + } + } + } + } + } +} + +void saturn_state::stv_vdp2_drawgfxzoom_rgb555( + bitmap_rgb32 &dest_bmp,const rectangle &clip, + UINT32 code,UINT32 color,int flipx,int flipy,int sx,int sy, + int transparency,int transparent_color,int scalex, int scaley, + int sprite_screen_width, int sprite_screen_height, int alpha) +{ + rectangle myclip; + UINT8* gfxdata; + + gfxdata = m_vdp2.gfx_decode + code * 0x20; + + if(stv2_current_tilemap.window_control.enabled[0] || + stv2_current_tilemap.window_control.enabled[1]) + popmessage("Window Enabled for RGB555 Zoom"); + + if (!scalex || !scaley) return; + + #if 0 + if (gfx->has_pen_usage() && transparency == STV_TRANSPARENCY_PEN) + { + int transmask = 0; + + transmask = 1 << (transparent_color & 0xff); + + if ((gfx->pen_usage(code) & ~transmask) == 0) + /* character is totally transparent, no need to draw */ + return; + else if ((gfx->pen_usage(code) & transmask) == 0) + /* character is totally opaque, can disable transparency */ + transparency = STV_TRANSPARENCY_NONE; + } + #endif + + /* + scalex and scaley are 16.16 fixed point numbers + 1<<15 : shrink to 50% + 1<<16 : uniform scale + 1<<17 : double to 200% + */ + + + /* KW 991012 -- Added code to force clip to bitmap boundary */ + myclip = clip; + myclip &= dest_bmp.cliprect(); + +// if( gfx ) + { +// const UINT8 *source_base = gfx->get_data(code % gfx->elements()); + + //int sprite_screen_height = (scaley*gfx->height()+0x8000)>>16; + //int sprite_screen_width = (scalex*gfx->width()+0x8000)>>16; + + if (sprite_screen_width && sprite_screen_height) + { + /* compute sprite increment per screen pixel */ + //int dx = (gfx->width()<<16)/sprite_screen_width; + //int dy = (gfx->height()<<16)/sprite_screen_height; + int dx = stv2_current_tilemap.incx; + int dy = stv2_current_tilemap.incy; + + int ex = sx+sprite_screen_width; + int ey = sy+sprite_screen_height; + + int x_index_base; + int y_index; + + if( flipx ) + { + x_index_base = (sprite_screen_width-1)*dx; + dx = -dx; + } + else + { + x_index_base = 0; + } + + if( flipy ) + { + y_index = (sprite_screen_height-1)*dy; + dy = -dy; + } + else + { + y_index = 0; + } + + if( sx < myclip.min_x) + { /* clip left */ + int pixels = myclip.min_x-sx; + sx += pixels; + x_index_base += pixels*dx; + } + if( sy < myclip.min_y ) + { /* clip top */ + int pixels = myclip.min_y-sy; + sy += pixels; + y_index += pixels*dy; + } + /* NS 980211 - fixed incorrect clipping */ + if( ex > myclip.max_x+1 ) + { /* clip right */ + int pixels = ex-myclip.max_x-1; + ex -= pixels; + } + if( ey > myclip.max_y+1 ) + { /* clip bottom */ + int pixels = ey-myclip.max_y-1; + ey -= pixels; + } + + if( ex>sx ) + { /* skip if inner loop doesn't draw anything */ + int y; + + /* case 0: STV_TRANSPARENCY_NONE */ + if (transparency == STV_TRANSPARENCY_NONE) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*16; + UINT32 *dest = &dest_bmp.pix32(y); + int r,g,b,data; + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; + b = pal5bit((data & 0x7c00) >> 10); + g = pal5bit((data & 0x03e0) >> 5); + r = pal5bit( data & 0x001f); + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + dest[x] = rgb_t(r, g, b); + x_index += dx; + } + + y_index += dy; + } + } + + /* case 1: STV_TRANSPARENCY_PEN */ + if (transparency == STV_TRANSPARENCY_PEN) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*16; + UINT32 *dest = &dest_bmp.pix32(y); + int r,g,b,data; + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; + b = pal5bit((data & 0x7c00) >> 10); + g = pal5bit((data & 0x03e0) >> 5); + r = pal5bit( data & 0x001f); + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if( data ) dest[x] = rgb_t(r, g, b); + x_index += dx; + } + + y_index += dy; + } + } + + /* case 6: STV_TRANSPARENCY_ALPHA */ + if (transparency == STV_TRANSPARENCY_ALPHA) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*16; + UINT32 *dest = &dest_bmp.pix32(y); + int r,g,b,data; + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; + b = pal5bit((data & 0x7c00) >> 10); + g = pal5bit((data & 0x03e0) >> 5); + r = pal5bit( data & 0x001f); + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if( data ) dest[x] = alpha_blend_r32(dest[x], rgb_t(r, g, b), alpha); + x_index += dx; + } + + y_index += dy; + } + } + + /* case : STV_TRANSPARENCY_ADD_BLEND */ + if (transparency == STV_TRANSPARENCY_ADD_BLEND ) + { + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*16; + UINT32 *dest = &dest_bmp.pix32(y); + int r,g,b,data; + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + data = (source[(x_index*2+0)>>16]<<0)|(source[(x_index*2+1)>>16]<<8); + b = pal5bit((data & 0x7c00) >> 10); + g = pal5bit((data & 0x03e0) >> 5); + r = pal5bit( data & 0x001f); + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if( data ) dest[x] = stv_add_blend(dest[x], rgb_t(r, g, b)); + x_index += dx; + } + + y_index += dy; + } + } + + } + } + } + +} + + +void saturn_state::stv_vdp2_drawgfx_rgb555( bitmap_rgb32 &dest_bmp, const rectangle &clip, UINT32 code, int flipx, int flipy, int sx, int sy, int transparency, int alpha) +{ + rectangle myclip; + UINT8* gfxdata; + int sprite_screen_width, sprite_screen_height; + + gfxdata = m_vdp2.gfx_decode + code * 0x20; + sprite_screen_width = sprite_screen_height = 8; + + if(stv2_current_tilemap.window_control.enabled[0] || + stv2_current_tilemap.window_control.enabled[1]) + popmessage("Window Enabled for RGB555 tiles"); + + /* KW 991012 -- Added code to force clip to bitmap boundary */ + myclip = clip; + myclip &= dest_bmp.cliprect(); + + { + int dx = stv2_current_tilemap.incx; + int dy = stv2_current_tilemap.incy; + + int ex = sx+sprite_screen_width; + int ey = sy+sprite_screen_height; + + int x_index_base; + int y_index; + + if( flipx ) + { + x_index_base = (sprite_screen_width-1)*dx; + dx = -dx; + } + else + { + x_index_base = 0; + } + + if( flipy ) + { + y_index = (sprite_screen_height-1)*dy; + dy = -dy; + } + else + { + y_index = 0; + } + + if( sx < myclip.min_x) + { /* clip left */ + int pixels = myclip.min_x-sx; + sx += pixels; + x_index_base += pixels*dx; + } + if( sy < myclip.min_y ) + { /* clip top */ + int pixels = myclip.min_y-sy; + sy += pixels; + y_index += pixels*dy; + } + /* NS 980211 - fixed incorrect clipping */ + if( ex > myclip.max_x+1 ) + { /* clip right */ + int pixels = ex-myclip.max_x-1; + ex -= pixels; + } + if( ey > myclip.max_y+1 ) + { /* clip bottom */ + int pixels = ey-myclip.max_y-1; + ey -= pixels; + } + + if( ex>sx ) + { /* skip if inner loop doesn't draw anything */ + int y; + + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*16; + UINT32 *dest = &dest_bmp.pix32(y); + UINT16 data; + + int x, x_index = x_index_base; + for( x=sx; x<ex; x++ ) + { + int r,g,b; + + data = (source[(x_index>>16)*2] << 8) | source[(x_index>>16)*2+1]; + if ((data & 0x8000) || (transparency == STV_TRANSPARENCY_NONE)) + { + b = pal5bit((data & 0x7c00) >> 10); + g = pal5bit((data & 0x03e0) >> 5); + r = pal5bit( data & 0x001f); + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if ( transparency == STV_TRANSPARENCY_ALPHA ) + dest[x] = alpha_blend_r32( dest[x], rgb_t(r, g, b), alpha ); + else + dest[x] = rgb_t(r, g, b); + } + x_index += dx; + } + + y_index += dy; + } + + } + + } + +} + + +void saturn_state::stv_vdp2_drawgfx_rgb888( bitmap_rgb32 &dest_bmp, const rectangle &clip, UINT32 code, int flipx, int flipy, + int sx, int sy, int transparency, int alpha) +{ + rectangle myclip; + UINT8* gfxdata; + int sprite_screen_width, sprite_screen_height; + + gfxdata = m_vdp2.gfx_decode + code * 0x20; + sprite_screen_width = sprite_screen_height = 8; + + if(stv2_current_tilemap.window_control.enabled[0] || + stv2_current_tilemap.window_control.enabled[1]) + popmessage("Window Enabled for RGB888 tiles"); + + /* KW 991012 -- Added code to force clip to bitmap boundary */ + myclip = clip; + myclip &= dest_bmp.cliprect(); + { + int dx = stv2_current_tilemap.incx; + int dy = stv2_current_tilemap.incy; + + int ex = sx+sprite_screen_width; + int ey = sy+sprite_screen_height; + + int x_index_base; + int y_index; + + if( flipx ) + { + x_index_base = (sprite_screen_width-1)*dx; + dx = -dx; + } + else + { + x_index_base = 0; + } + + if( flipy ) + { + y_index = (sprite_screen_height-1)*dy; + dy = -dy; + } + else + { + y_index = 0; + } + + if( sx < myclip.min_x) + { /* clip left */ + int pixels = myclip.min_x-sx; + sx += pixels; + x_index_base += pixels*dx; + } + if( sy < myclip.min_y ) + { /* clip top */ + int pixels = myclip.min_y-sy; + sy += pixels; + y_index += pixels*dy; + } + /* NS 980211 - fixed incorrect clipping */ + if( ex > myclip.max_x+1 ) + { /* clip right */ + int pixels = ex-myclip.max_x-1; + ex -= pixels; + } + if( ey > myclip.max_y+1 ) + { /* clip bottom */ + int pixels = ey-myclip.max_y-1; + ey -= pixels; + } + + if( ex>sx ) + { /* skip if inner loop doesn't draw anything */ + int y; + + for( y=sy; y<ey; y++ ) + { + const UINT8 *source = gfxdata + (y_index>>16)*32; + UINT32 *dest = &dest_bmp.pix32(y); + UINT32 data; + + int x, x_index = x_index_base; + + for( x=sx; x<ex; x++ ) + { + int r,g,b; + + data = (source[(x_index>>16)*4+0] << 24) | (source[(x_index>>16)*4+1] << 16) | (source[(x_index>>16)*4+2] << 8) | (source[(x_index>>16)*4+3] << 0); + if ((data & 0x80000000) || (transparency == STV_TRANSPARENCY_NONE)) + { + b = (data & 0xff0000) >> 16; + g = (data & 0x00ff00) >> 8; + r = (data & 0x0000ff); + + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if ( transparency == STV_TRANSPARENCY_ALPHA ) + dest[x] = alpha_blend_r32( dest[x], rgb_t(r, g, b), alpha ); + else + dest[x] = rgb_t(r, g, b); + } + x_index += dx; + } + + y_index += dy; + } + + } + + } +} + +void saturn_state::stv_vdp2_drawgfx_alpha(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, + UINT32 code,UINT32 color, int flipx,int flipy,int offsx,int offsy, + int transparent_color, int alpha) +{ + const pen_t *pal = &m_palette->pen(gfx->colorbase() + gfx->granularity() * (color % gfx->colors())); + const UINT8 *source_base = gfx->get_data(code % gfx->elements()); + int x_index_base, y_index, sx, sy, ex, ey; + int xinc, yinc; + + xinc = flipx ? -1 : 1; + yinc = flipy ? -1 : 1; + + x_index_base = flipx ? gfx->width()-1 : 0; + y_index = flipy ? gfx->height()-1 : 0; + + /* start coordinates */ + sx = offsx; + sy = offsy; + + /* end coordinates */ + ex = sx + gfx->width(); + ey = sy + gfx->height(); + + /* clip left */ + if (sx < clip.min_x) + { + int pixels = clip.min_x-sx; + sx += pixels; + x_index_base += xinc*pixels; + } + + /* clip top */ + if (sy < clip.min_y) + { int pixels = clip.min_y-sy; + sy += pixels; + y_index += yinc*pixels; + } + + /* clip right */ + if (ex > clip.max_x+1) + { + ex = clip.max_x+1; + } + /* clip bottom */ + if (ey > clip.max_y+1) + { + ey = clip.max_y+1; + } + + /* skip if inner loop doesn't draw anything */ + if (ex > sx) + { + int x, y; + + { + for (y = sy; y < ey; y++) + { + const UINT8 *source = source_base + y_index*gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + int x_index = x_index_base; + for (x = sx; x < ex; x++) + { + if(stv_vdp2_window_process(x,y)) + { + int c = (source[x_index]); + if (c != transparent_color) + dest[x] = alpha_blend_r32( dest[x], pal[c], alpha );; + } + + x_index += xinc; + } + y_index += yinc; + } + } + } +} + +void saturn_state::stv_vdp2_drawgfx_transpen(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, + UINT32 code,UINT32 color, int flipx,int flipy,int offsx,int offsy, + int transparent_color) +{ + const pen_t *pal = &m_palette->pen(gfx->colorbase() + gfx->granularity() * (color % gfx->colors())); + const UINT8 *source_base = gfx->get_data(code % gfx->elements()); + int x_index_base, y_index, sx, sy, ex, ey; + int xinc, yinc; + + xinc = flipx ? -1 : 1; + yinc = flipy ? -1 : 1; + + x_index_base = flipx ? gfx->width()-1 : 0; + y_index = flipy ? gfx->height()-1 : 0; + + /* start coordinates */ + sx = offsx; + sy = offsy; + + /* end coordinates */ + ex = sx + gfx->width(); + ey = sy + gfx->height(); + + /* clip left */ + if (sx < clip.min_x) + { + int pixels = clip.min_x-sx; + sx += pixels; + x_index_base += xinc*pixels; + } + + /* clip top */ + if (sy < clip.min_y) + { int pixels = clip.min_y-sy; + sy += pixels; + y_index += yinc*pixels; + } + + /* clip right */ + if (ex > clip.max_x+1) + { + ex = clip.max_x+1; + } + /* clip bottom */ + if (ey > clip.max_y+1) + { + ey = clip.max_y+1; + } + + /* skip if inner loop doesn't draw anything */ + if (ex > sx) + { + int x, y; + + { + for (y = sy; y < ey; y++) + { + const UINT8 *source = source_base + y_index*gfx->rowbytes(); + UINT32 *dest = &dest_bmp.pix32(y); + int x_index = x_index_base; + for (x = sx; x < ex; x++) + { + if(stv_vdp2_window_process(x,y)) + { + int c = (source[x_index]); + if (c != transparent_color) + dest[x] = pal[c]; + } + + x_index += xinc; + } + y_index += yinc; + } + } + } +} + +void saturn_state::draw_4bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int xsize, ysize, xsize_mask, ysize_mask; + int xsrc,ysrc,xdst,ydst; + int src_offs; + UINT8* vram = m_vdp2.gfx_decode; + UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; + int scrollx = stv2_current_tilemap.scrollx; + int scrolly = stv2_current_tilemap.scrolly; + UINT16 dot_data; + UINT16 pal_bank; + + xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; + ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; + + xsize_mask = (stv2_current_tilemap.linescroll_enable) ? 1024 : xsize; + ysize_mask = (stv2_current_tilemap.vertical_linescroll_enable) ? 512 : ysize; + + pal_bank = stv2_current_tilemap.bitmap_palette_number; + pal_bank+= stv2_current_tilemap.colour_ram_address_offset; + pal_bank&= 7; + pal_bank<<=8; + if(stv2_current_tilemap.fade_control & 1) + pal_bank += ((stv2_current_tilemap.fade_control & 2) ? (2*2048) : (2048)); + + for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++) + { + for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++) + { + if(!stv_vdp2_window_process(xdst,ydst)) + continue; + + xsrc = (xdst + scrollx) & (xsize_mask-1); + ysrc = (ydst + scrolly) & (ysize_mask-1); + src_offs = (xsrc + (ysrc*xsize)); + src_offs/= 2; + src_offs += map_offset; + src_offs &= 0x7ffff; + + dot_data = vram[src_offs] >> ((xsrc & 1) ? 0 : 4); + dot_data&= 0xf; + + if ((dot_data != 0) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) + { + dot_data += pal_bank; + + if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) + bitmap.pix32(ydst, xdst) = m_palette->pen(dot_data); + else + bitmap.pix32(ydst, xdst) = alpha_blend_r32(bitmap.pix32(ydst, xdst), m_palette->pen(dot_data), stv2_current_tilemap.alpha); + } + } + } +} + + +void saturn_state::draw_8bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int xsize, ysize, xsize_mask, ysize_mask; + int xsrc,ysrc,xdst,ydst; + int src_offs; + UINT8* vram = m_vdp2.gfx_decode; + UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; + int scrollx = stv2_current_tilemap.scrollx; + int scrolly = stv2_current_tilemap.scrolly; + UINT16 dot_data; + UINT16 pal_bank; + int xf, yf; + + xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; + ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; + + xsize_mask = (stv2_current_tilemap.linescroll_enable) ? 1024 : xsize; + ysize_mask = (stv2_current_tilemap.vertical_linescroll_enable) ? 512 : ysize; + + pal_bank = stv2_current_tilemap.bitmap_palette_number; + pal_bank+= stv2_current_tilemap.colour_ram_address_offset; + pal_bank&= 7; + pal_bank<<=8; + if(stv2_current_tilemap.fade_control & 1) + pal_bank += ((stv2_current_tilemap.fade_control & 2) ? (2*2048) : (2048)); + + for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++) + { + for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++) + { + if(!stv_vdp2_window_process(xdst,ydst)) + continue; + + xf = stv2_current_tilemap.incx * xdst; + xf>>=16; + yf = stv2_current_tilemap.incy * ydst; + yf>>=16; + + xsrc = (xf + scrollx) & (xsize_mask-1); + ysrc = (yf + scrolly) & (ysize_mask-1); + src_offs = (xsrc + (ysrc*xsize)); + src_offs += map_offset; + src_offs &= 0x7ffff; + + dot_data = vram[src_offs]; + + if ((dot_data != 0) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) + { + dot_data += pal_bank; + + if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) + bitmap.pix32(ydst, xdst) = m_palette->pen(dot_data); + else + bitmap.pix32(ydst, xdst) = alpha_blend_r32(bitmap.pix32(ydst, xdst), m_palette->pen(dot_data), stv2_current_tilemap.alpha); + } + } + } +} + +void saturn_state::draw_11bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int xsize, ysize, xsize_mask, ysize_mask; + int xsrc,ysrc,xdst,ydst; + int src_offs; + UINT8* vram = m_vdp2.gfx_decode; + UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; + int scrollx = stv2_current_tilemap.scrollx; + int scrolly = stv2_current_tilemap.scrolly; + UINT16 dot_data; + UINT16 pal_bank; + int xf, yf; + + xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; + ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; + + xsize_mask = (stv2_current_tilemap.linescroll_enable) ? 1024 : xsize; + ysize_mask = (stv2_current_tilemap.vertical_linescroll_enable) ? 512 : ysize; + + pal_bank = 0; + if(stv2_current_tilemap.fade_control & 1) + pal_bank = ((stv2_current_tilemap.fade_control & 2) ? (2*2048) : (2048)); + + for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++) + { + for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++) + { + if(!stv_vdp2_window_process(xdst,ydst)) + continue; + + xf = stv2_current_tilemap.incx * xdst; + xf>>=16; + yf = stv2_current_tilemap.incy * ydst; + yf>>=16; + + xsrc = (xf + scrollx) & (xsize_mask-1); + ysrc = (yf + scrolly) & (ysize_mask-1); + src_offs = (xsrc + (ysrc*xsize)); + src_offs *= 2; + src_offs += map_offset; + src_offs &= 0x7ffff; + + dot_data = ((vram[src_offs]<<8)|(vram[src_offs+1]<<0)) & 0x7ff; + + if ((dot_data != 0) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) + { + dot_data += pal_bank; + + if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) + bitmap.pix32(ydst, xdst) = m_palette->pen(dot_data); + else + bitmap.pix32(ydst, xdst) = alpha_blend_r32(bitmap.pix32(ydst, xdst), m_palette->pen(dot_data), stv2_current_tilemap.alpha); + } + } + } +} + + +void saturn_state::draw_rgb15_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int xsize, ysize, xsize_mask, ysize_mask; + int xsrc,ysrc,xdst,ydst; + int src_offs; + UINT8* vram = m_vdp2.gfx_decode; + UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; + int scrollx = stv2_current_tilemap.scrollx; + int scrolly = stv2_current_tilemap.scrolly; + int r,g,b; + UINT16 dot_data; + int xf, yf; + + xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; + ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; + + xsize_mask = (stv2_current_tilemap.linescroll_enable) ? 1024 : xsize; + ysize_mask = (stv2_current_tilemap.vertical_linescroll_enable) ? 512 : ysize; + + for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++) + { + for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++) + { + if(!stv_vdp2_window_process(xdst,ydst)) + continue; + + xf = stv2_current_tilemap.incx * xdst; + xf>>=16; + yf = stv2_current_tilemap.incy * ydst; + yf>>=16; + + xsrc = (xf + scrollx) & (xsize_mask-1); + ysrc = (yf + scrolly) & (ysize_mask-1); + src_offs = (xsrc + (ysrc*xsize)); + src_offs *= 2; + src_offs += map_offset; + src_offs &= 0x7ffff; + + dot_data =(vram[src_offs]<<8)|(vram[src_offs+1]<<0); + + if ((dot_data & 0x8000) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) + { + b = pal5bit((dot_data & 0x7c00) >> 10); + g = pal5bit((dot_data & 0x03e0) >> 5); + r = pal5bit((dot_data & 0x001f) >> 0); + + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) + bitmap.pix32(ydst, xdst) = rgb_t(r, g, b); + else + bitmap.pix32(ydst, xdst) = alpha_blend_r32( bitmap.pix32(ydst, xdst), rgb_t(r, g, b), stv2_current_tilemap.alpha ); + } + } + } +} + +void saturn_state::draw_rgb32_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int xsize, ysize, xsize_mask, ysize_mask; + int xsrc,ysrc,xdst,ydst; + int src_offs; + UINT8* vram = m_vdp2.gfx_decode; + UINT32 map_offset = stv2_current_tilemap.bitmap_map * 0x20000; + int scrollx = stv2_current_tilemap.scrollx; + int scrolly = stv2_current_tilemap.scrolly; + int r,g,b; + UINT32 dot_data; + int xf, yf; + + xsize = (stv2_current_tilemap.bitmap_size & 2) ? 1024 : 512; + ysize = (stv2_current_tilemap.bitmap_size & 1) ? 512 : 256; + + xsize_mask = (stv2_current_tilemap.linescroll_enable) ? 1024 : xsize; + ysize_mask = (stv2_current_tilemap.vertical_linescroll_enable) ? 512 : ysize; + + for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++) + { + for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++) + { + if(!stv_vdp2_window_process(xdst,ydst)) + continue; + + xf = stv2_current_tilemap.incx * xdst; + xf>>=16; + yf = stv2_current_tilemap.incy * ydst; + yf>>=16; + + xsrc = (xf + scrollx) & (xsize_mask-1); + ysrc = (yf + scrolly) & (ysize_mask-1); + src_offs = (xsrc + (ysrc*xsize)); + src_offs *= 4; + src_offs += map_offset; + src_offs &= 0x7ffff; + + dot_data = (vram[src_offs+0]<<24)|(vram[src_offs+1]<<16)|(vram[src_offs+2]<<8)|(vram[src_offs+3]<<0); + + if ((dot_data & 0x80000000) || (stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE)) + { + b = ((dot_data & 0x00ff0000) >> 16); + g = ((dot_data & 0x0000ff00) >> 8); + r = ((dot_data & 0x000000ff) >> 0); + + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset(&r,&g,&b,stv2_current_tilemap.fade_control & 2); + + if ( stv2_current_tilemap.colour_calculation_enabled == 0 ) + bitmap.pix32(ydst, xdst) = rgb_t(r, g, b); + else + bitmap.pix32(ydst, xdst) = alpha_blend_r32( bitmap.pix32(ydst, xdst), rgb_t(r, g, b), stv2_current_tilemap.alpha ); + } + } + } +} + + +void saturn_state::stv_vdp2_draw_basic_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + if (!stv2_current_tilemap.enabled) return; + + /* new bitmap code, supposed to rewrite the old one. Not supposed to be clean, but EFFICIENT! */ + if(stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) + { + switch(stv2_current_tilemap.colour_depth) + { + case 0: draw_4bpp_bitmap(bitmap,cliprect); return; + case 1: draw_8bpp_bitmap(bitmap,cliprect); return; + case 2: draw_11bpp_bitmap(bitmap, cliprect); return; + case 3: draw_rgb15_bitmap(bitmap,cliprect); return; + case 4: draw_rgb32_bitmap(bitmap,cliprect); return; + } + + /* intentional fall-through*/ + popmessage("%d %s %s %s",stv2_current_tilemap.colour_depth, + stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE ? "no trans" : "trans", + stv2_current_tilemap.colour_calculation_enabled ? "cc" : "no cc", + (stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) ? "no zoom" : "zoom"); + } + else + { + switch(stv2_current_tilemap.colour_depth) + { + // case 0: draw_4bpp_bitmap(bitmap,cliprect); return; + case 1: draw_8bpp_bitmap(bitmap,cliprect); return; + // case 2: draw_11bpp_bitmap(bitmap, cliprect); return; + case 3: draw_rgb15_bitmap(bitmap,cliprect); return; + case 4: draw_rgb32_bitmap(bitmap,cliprect); return; + } + + /* intentional fall-through*/ + popmessage("%d %s %s %s",stv2_current_tilemap.colour_depth, + stv2_current_tilemap.transparency == STV_TRANSPARENCY_NONE ? "no trans" : "trans", + stv2_current_tilemap.colour_calculation_enabled ? "cc" : "no cc", + (stv2_current_tilemap.incx == 0x10000 && stv2_current_tilemap.incy == 0x10000) ? "no zoom" : "zoom"); + } +} + + /*--------------------------------------------------------------------------- + | Plane Size | Pattern Name Data Size | Character Size | Map Bits / Address | + ----------------------------------------------------------------------------| + | | | 1 H x 1 V | bits 6-0 * 0x02000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-0 * 0x00800 | + | 1 H x 1 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-0 * 0x04000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-0 * 0x01000 | + ----------------------------------------------------------------------------- + | | | 1 H x 1 V | bits 6-1 * 0x04000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-1 * 0x01000 | + | 2 H x 1 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-1 * 0x08000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-1 * 0x02000 | + ----------------------------------------------------------------------------- + | | | 1 H x 1 V | bits 6-2 * 0x08000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-2 * 0x02000 | + | 2 H x 2 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-2 * 0x10000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-2 * 0x04000 | + --the-highest-bit-is-ignored-if-vram-is-only-4mbits------------------------*/ + + +/* +4.2 Sega's Cell / Character Pattern / Page / Plane / Map system, aka a rather annoying thing that makes optimizations hard + (this is only for the normal tilemaps at the moment, i haven't even thought about the ROZ ones) + +Tiles: + +Cells are 8x8 gfx stored in video ram, they can be of various colour depths + +Character Patterns can be 8x8 or 16x16 (1 hcell x 1 vcell or 2 hcell x 2 vcell) + (a 16x16 character pattern is 4 8x8 cells put together) + +A page is made up of 64x64 cells, thats 64x64 character patterns in 8x8 mode or 32x32 character patterns in 16x16 mode. + 64 * 8 = 512 (0x200) + 32 * 16 = 512 (0x200) +A page is _always_ 512 (0x200) pixels in each direction + +in 1 word mode a 32*16 x 32*16 page is 0x0800 bytes +in 1 word mode a 64*8 x 64*8 page is 0x2000 bytes +in 2 word mode a 32*16 x 32*16 page is 0x1000 bytes +in 2 word mode a 64*8 x 64*8 page is 0x4000 bytes + +either 1, 2 or 4 pages make each plane depending on the plane size register (per tilemap) + therefore each plane is either + 64 * 8 * 1 x 64 * 8 * 1 (512 x 512) + 64 * 8 * 2 x 64 * 8 * 1 (1024 x 512) + 64 * 8 * 2 x 64 * 8 * 2 (1024 x 1024) + + 32 * 16 * 1 x 32 * 16 * 1 (512 x 512) + 32 * 16 * 2 x 32 * 16 * 1 (1024 x 512) + 32 * 16 * 2 x 32 * 16 * 2 (1024 x 1024) + +map is always enabled? + map is a 2x2 arrangement of planes, all 4 of the planes can be the same. + +*/ + +void saturn_state::stv_vdp2_get_map_page( int x, int y, int *_map, int *_page ) +{ + int page = 0; + int map = 0; + + if ( stv2_current_tilemap.map_count == 4 ) + { + if ( stv2_current_tilemap.tile_size == 0 ) + { + if ( stv2_current_tilemap.plane_size & 1 ) + { + page = ((x >> 6) & 1); + map = (x >> 7) & 1; + } + else + { + map = (x >> 6) & 1; + } + + if ( stv2_current_tilemap.plane_size & 2 ) + { + page |= ((y >> (6-1)) & 2); + map |= ((y >> (7-1)) & 2); + } + else + { + map |= ((y >> (6-1)) & 2); + } + } + else + { + if ( stv2_current_tilemap.plane_size & 1 ) + { + page = ((x >> 5) & 1); + map = (x >> 6) & 1; + } + else + { + map = (x >> 5) & 1; + } + + if ( stv2_current_tilemap.plane_size & 2 ) + { + page |= ((y >> (5 - 1)) & 2); + map |= ((y >> (6-1)) & 2); + } + else + { + map |= ((y >> (5-1)) & 2); + } + } + } + else //16 + { + if ( stv2_current_tilemap.tile_size == 0 ) + { + if ( stv2_current_tilemap.plane_size & 1 ) + { + page = ((x >> 6) & 1); + map = (x >> 7) & 3; + } + else + { + map = (x >> 6) & 3; + } + + if ( stv2_current_tilemap.plane_size & 2 ) + { + page |= ((y >> (6-1)) & 2); + map |= ((y >> (7-2)) & 12); + } + else + { + map |= ((y >> (6-2)) & 12); + } + } + else + { + if ( stv2_current_tilemap.plane_size & 1 ) + { + page = ((x >> 5) & 1); + map = (x >> 6) & 3; + } + else + { + map = (x >> 5) & 3; + } + + if ( stv2_current_tilemap.plane_size & 2 ) + { + page |= ((y >> (5 - 1)) & 2); + map |= ((y >> (6-2)) & 12); + } + else + { + map |= ((y >> (5-2)) & 12); + } + } + } + *_page = page; + *_map = map; +} + +void saturn_state::stv_vdp2_draw_basic_tilemap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + /* hopefully this is easier to follow than it is efficient .. */ + + /* I call character patterns tiles .. even if they represent up to 4 tiles */ + + /* Page variables */ + int pgtiles_x, pgpixels_x; + int pgtiles_y, pgpixels_y; + int pgsize_bytes, pgsize_dwords; + + /* Plane Variables */ + int pltiles_x, plpixels_x; + int pltiles_y, plpixels_y; + int plsize_bytes/*, plsize_dwords*/; + + /* Map Variables */ + int mptiles_x, mppixels_x; + int mptiles_y, mppixels_y; + int mpsize_bytes, mpsize_dwords; + + /* work Variables */ + int i, x, y; + int base[16]; + + int scalex,scaley; + int tilesizex, tilesizey; + int drawypos, drawxpos; + + int tilecodemin = 0x10000000, tilecodemax = 0; + + if ( stv2_current_tilemap.incx == 0 || stv2_current_tilemap.incy == 0 ) return; + + if ( stv2_current_tilemap.colour_calculation_enabled == 1 ) + { + if ( STV_VDP2_CCMD ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_ADD_BLEND; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_ALPHA; + } + } + + scalex = (INT32)((INT64)S64(0x100000000) / (INT64)stv2_current_tilemap.incx); + scaley = (INT32)((INT64)S64(0x100000000) / (INT64)stv2_current_tilemap.incy); + tilesizex = scalex * 8; + tilesizey = scaley * 8; + drawypos = drawxpos = 0; + + /* Calculate the Number of tiles for x / y directions of each page (actually these will be the same */ + /* (2-stv2_current_tilemap.tile_size) << 5) */ + pgtiles_x = ((2-stv2_current_tilemap.tile_size) << 5); // 64 (8x8 mode) or 32 (16x16 mode) + pgtiles_y = ((2-stv2_current_tilemap.tile_size) << 5); // 64 (8x8 mode) or 32 (16x16 mode) + + /* Calculate the Page Size in BYTES */ + /* 64 * 64 * (1 * 2) = 0x2000 bytes + 32 * 32 * (1 * 2) = 0x0800 bytes + 64 * 64 * (2 * 2) = 0x4000 bytes + 32 * 32 * (2 * 2) = 0x1000 bytes */ + + pgsize_bytes = (pgtiles_x * pgtiles_y) * ((2-stv2_current_tilemap.pattern_data_size)*2); + + /*--------------------------------------------------------------------------- + | Plane Size | Pattern Name Data Size | Character Size | Map Bits / Address | + ----------------------------------------------------------------------------| + | | | 1 H x 1 V | bits 6-0 * 0x02000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-0 * 0x00800 | + | 1 H x 1 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-0 * 0x04000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-0 * 0x01000 | + ---------------------------------------------------------------------------*/ + + + /* Page Dimensions are always 0x200 pixes (512x512) */ + pgpixels_x = 0x200; + pgpixels_y = 0x200; + + /* Work out the Plane Size in tiles and Plane Dimensions (pixels) */ + switch (stv2_current_tilemap.plane_size & 3) + { + case 0: // 1 page * 1 page + pltiles_x = pgtiles_x; + plpixels_x = pgpixels_x; + pltiles_y = pgtiles_y; + plpixels_y = pgpixels_y; + break; + + case 1: // 2 pages * 1 page + pltiles_x = pgtiles_x * 2; + plpixels_x = pgpixels_x * 2; + pltiles_y = pgtiles_y; + plpixels_y = pgpixels_y; + break; + + case 3: // 2 pages * 2 pages + pltiles_x = pgtiles_x * 2; + plpixels_x = pgpixels_x * 2; + pltiles_y = pgtiles_y * 2; + plpixels_y = pgpixels_y * 2; + break; + + default: + // illegal + pltiles_x = pgtiles_x; + plpixels_x = pgpixels_x; + pltiles_y = pgtiles_y * 2; + plpixels_y = pgpixels_y * 2; + break; + } + + /* Plane Size in BYTES */ + /* still the same as before + (64 * 1) * (64 * 1) * (1 * 2) = 0x02000 bytes + (32 * 1) * (32 * 1) * (1 * 2) = 0x00800 bytes + (64 * 1) * (64 * 1) * (2 * 2) = 0x04000 bytes + (32 * 1) * (32 * 1) * (2 * 2) = 0x01000 bytes + changed + (64 * 2) * (64 * 1) * (1 * 2) = 0x04000 bytes + (32 * 2) * (32 * 1) * (1 * 2) = 0x01000 bytes + (64 * 2) * (64 * 1) * (2 * 2) = 0x08000 bytes + (32 * 2) * (32 * 1) * (2 * 2) = 0x02000 bytes + changed + (64 * 2) * (64 * 1) * (1 * 2) = 0x08000 bytes + (32 * 2) * (32 * 1) * (1 * 2) = 0x02000 bytes + (64 * 2) * (64 * 1) * (2 * 2) = 0x10000 bytes + (32 * 2) * (32 * 1) * (2 * 2) = 0x04000 bytes + */ + + plsize_bytes = (pltiles_x * pltiles_y) * ((2-stv2_current_tilemap.pattern_data_size)*2); + + /*--------------------------------------------------------------------------- + | Plane Size | Pattern Name Data Size | Character Size | Map Bits / Address | + ----------------------------------------------------------------------------- + | 1 H x 1 V see above, nothing has changed | + ----------------------------------------------------------------------------- + | | | 1 H x 1 V | bits 6-1 * 0x04000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-1 * 0x01000 | + | 2 H x 1 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-1 * 0x08000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-1 * 0x02000 | + ----------------------------------------------------------------------------- + | | | 1 H x 1 V | bits 6-2 * 0x08000 | + | | 1 word |-------------------------------------| + | | | 2 H x 2 V | bits 8-2 * 0x02000 | + | 2 H x 2 V ---------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-2 * 0x10000 | + | | 2 words |-------------------------------------| + | | | 2 H x 2 V | bits 7-2 * 0x04000 | + --the-highest-bit-is-ignored-if-vram-is-only-4mbits------------------------*/ + + + /* Work out the Map Sizes in tiles, Map Dimensions */ + /* maps are always enabled? */ + if ( stv2_current_tilemap.map_count == 4 ) + { + mptiles_x = pltiles_x * 2; + mptiles_y = pltiles_y * 2; + mppixels_x = plpixels_x * 2; + mppixels_y = plpixels_y * 2; + } + else + { + mptiles_x = pltiles_x * 4; + mptiles_y = pltiles_y * 4; + mppixels_x = plpixels_x * 4; + mppixels_y = plpixels_y * 4; + } + + /* Map Size in BYTES */ + mpsize_bytes = (mptiles_x * mptiles_y) * ((2-stv2_current_tilemap.pattern_data_size)*2); + + + /*----------------------------------------------------------------------------------------------------------- + | | | 1 H x 1 V | bits 6-1 (upper mask 0x07f) (0x1ff >> 2) * 0x04000 | + | | 1 word |---------------------------------------------------------------------| + | | | 2 H x 2 V | bits 8-1 (upper mask 0x1ff) (0x1ff >> 0) * 0x01000 | + | 2 H x 1 V -----------------------------------------------------------------------------------------------| + | | | 1 H x 1 V | bits 5-1 (upper mask 0x03f) (0x1ff >> 3) * 0x08000 | + | | 2 words |---------------------------------------------------------------------| + | | | 2 H x 2 V | bits 7-1 (upper mask 0x0ff) (0x1ff >> 1) * 0x02000 | + ------------------------------------------------------------------------------------------------------------- + lower mask = ~stv2_current_tilemap.plane_size + -----------------------------------------------------------------------------------------------------------*/ + + /* Precalculate bases from MAP registers */ + for (i = 0; i < stv2_current_tilemap.map_count; i++) + { + static const int shifttable[4] = {0,1,2,2}; + + int uppermask, uppermaskshift; + + uppermaskshift = (1-stv2_current_tilemap.pattern_data_size) | ((1-stv2_current_tilemap.tile_size)<<1); + uppermask = 0x1ff >> uppermaskshift; + + base[i] = ((stv2_current_tilemap.map_offset[i] & uppermask) >> shifttable[stv2_current_tilemap.plane_size]) * plsize_bytes; + + base[i] &= 0x7ffff; /* shienryu needs this for the text layer, is there a problem elsewhere or is it just right without the ram cart */ + + base[i] = base[i] / 4; // convert bytes to DWORDS + } + + /* other bits */ + //stv2_current_tilemap.trans_enabled = stv2_current_tilemap.trans_enabled ? STV_TRANSPARENCY_NONE : STV_TRANSPARENCY_PEN; + stv2_current_tilemap.scrollx &= mppixels_x-1; + stv2_current_tilemap.scrolly &= mppixels_y-1; + + pgsize_dwords = pgsize_bytes /4; + //plsize_dwords = plsize_bytes /4; + mpsize_dwords = mpsize_bytes /4; + +// if (stv2_current_tilemap.layer_name==3) popmessage ("well this is a bit %08x", stv2_current_tilemap.map_offset[0]); +// if (stv2_current_tilemap.layer_name==3) popmessage ("well this is a bit %08x %08x %08x %08x", stv2_current_tilemap.plane_size, pgtiles_x, pltiles_x, mptiles_x); + + if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + /* most things we need (or don't need) to work out are now worked out */ + + for (y = 0; y<mptiles_y; y++) { + int ypageoffs; + int page, map, newbase, offs, data; + int tilecode, flipyx, pal, gfx = 0; + + map = 0 ; page = 0 ; + if ( y == 0 ) + { + int drawyposinc = tilesizey*(stv2_current_tilemap.tile_size ? 2 : 1); + drawypos = -(stv2_current_tilemap.scrolly*scaley); + while( ((drawypos + drawyposinc) >> 16) < cliprect.min_y ) + { + drawypos += drawyposinc; + y++; + } + mptiles_y += y; + } + else + { + drawypos += tilesizey*(stv2_current_tilemap.tile_size ? 2 : 1); + } + if ((drawypos >> 16) > cliprect.max_y) break; + + ypageoffs = y & (pgtiles_y-1); + + for (x = 0; x<mptiles_x; x++) { + int xpageoffs; + int tilecodespacing = 1; + + if ( x == 0 ) + { + int drawxposinc = tilesizex*(stv2_current_tilemap.tile_size ? 2 : 1); + drawxpos = -(stv2_current_tilemap.scrollx*scalex); + while( ((drawxpos + drawxposinc) >> 16) < cliprect.min_x ) + { + drawxpos += drawxposinc; + x++; + } + mptiles_x += x; + } + else + { + drawxpos+=tilesizex*(stv2_current_tilemap.tile_size ? 2 : 1); + } + if ( (drawxpos >> 16) > cliprect.max_x ) break; + + xpageoffs = x & (pgtiles_x-1); + + stv_vdp2_get_map_page(x,y,&map,&page); + + newbase = base[map] + page * pgsize_dwords; + offs = (ypageoffs * pgtiles_x) + xpageoffs; + +/* GET THE TILE INFO ... */ + /* 1 word per tile mode with supplement bits */ + if (stv2_current_tilemap.pattern_data_size ==1) + { + data = m_vdp2_vram[newbase + offs/2]; + data = (offs&1) ? (data & 0x0000ffff) : ((data & 0xffff0000) >> 16); + + /* Supplement Mode 12 bits, no flip */ + if (stv2_current_tilemap.character_number_supplement == 1) + { +/* no flip */ flipyx = 0; +/* 8x8 */ if (stv2_current_tilemap.tile_size==0) tilecode = (data & 0x0fff) + ( (stv2_current_tilemap.supplementary_character_bits&0x1c) << 10); +/* 16x16 */ else tilecode = ((data & 0x0fff) << 2) + (stv2_current_tilemap.supplementary_character_bits&0x03) + ((stv2_current_tilemap.supplementary_character_bits&0x10) << 10); + } + /* Supplement Mode 10 bits, with flip */ + else + { +/* flip bits */ flipyx = (data & 0x0c00) >> 10; +/* 8x8 */ if (stv2_current_tilemap.tile_size==0) tilecode = (data & 0x03ff) + ( (stv2_current_tilemap.supplementary_character_bits) << 10); +/* 16x16 */ else tilecode = ((data & 0x03ff) <<2) + (stv2_current_tilemap.supplementary_character_bits&0x03) + ((stv2_current_tilemap.supplementary_character_bits&0x1c) << 10); + } + +/*>16cols*/ if (stv2_current_tilemap.colour_depth != 0) pal = ((data & 0x7000)>>8); +/*16 cols*/ else pal = ((data & 0xf000)>>12) +( (stv2_current_tilemap.supplementary_palette_bits) << 4); + + } + /* 2 words per tile, no supplement bits */ + else + { + data = m_vdp2_vram[newbase + offs]; + tilecode = (data & 0x00007fff); + pal = (data & 0x007f0000)>>16; + // specialc = (data & 0x10000000)>>28; + flipyx = (data & 0xc0000000)>>30; + } +/* WE'VE GOT THE TILE INFO ... */ + + if ( tilecode < tilecodemin ) tilecodemin = tilecode; + if ( tilecode > tilecodemax ) tilecodemax = tilecode; + +/* DECODE ANY TILES WE NEED TO DECODE */ + + pal += stv2_current_tilemap.colour_ram_address_offset<< 4; // bios uses this .. + + /*Enable fading bit*/ + if(stv2_current_tilemap.fade_control & 1) + { + /*Select fading bit*/ + pal += ((stv2_current_tilemap.fade_control & 2) ? (0x100) : (0x80)); + } + + if (stv2_current_tilemap.colour_depth == 1) + { + gfx = 2; + pal = pal >>4; + tilecode &=0x7fff; + if (tilecode == 0x7fff) tilecode--; /* prevents crash but unsure what should happen; wrapping? */ + tilecodespacing = 2; + } + else if (stv2_current_tilemap.colour_depth == 0) + { + gfx = 0; + tilecode &=0x7fff; + tilecodespacing = 1; + } +/* TILES ARE NOW DECODED */ + + if(!STV_VDP2_VRAMSZ) + tilecode &= 0x3fff; + +/* DRAW! */ + if(stv2_current_tilemap.incx != 0x10000 || + stv2_current_tilemap.incy != 0x10000 || + stv2_current_tilemap.transparency == STV_TRANSPARENCY_ADD_BLEND ) + { +#define SCR_TILESIZE_X (((drawxpos + tilesizex) >> 16) - (drawxpos >> 16)) +#define SCR_TILESIZE_X1(startx) (((drawxpos + (startx) + tilesizex) >> 16) - ((drawxpos + (startx))>>16)) +#define SCR_TILESIZE_Y (((drawypos + tilesizey) >> 16) - (drawypos >> 16)) +#define SCR_TILESIZE_Y1(starty) (((drawypos + (starty) + tilesizey) >> 16) - ((drawypos + (starty))>>16)) + if (stv2_current_tilemap.tile_size==1) + { + if ( stv2_current_tilemap.colour_depth == 4 ) + { + popmessage("Unsupported tilemap gfx zoom color depth = 4, tile size = 1, contact MAMEdev"); + } + else if ( stv2_current_tilemap.colour_depth == 3 ) + { + /* RGB555 */ + stv_vdp2_drawgfxzoom_rgb555(bitmap,cliprect,tilecode+(0+(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos >> 16, drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X, SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom_rgb555(bitmap,cliprect,tilecode+(1-(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,(drawxpos+tilesizex) >> 16,drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X1(tilesizex), SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom_rgb555(bitmap,cliprect,tilecode+(2+(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos >> 16,(drawypos+tilesizey) >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X, SCR_TILESIZE_Y1(tilesizey),stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom_rgb555(bitmap,cliprect,tilecode+(3-(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,(drawxpos+tilesizex)>> 16,(drawypos+tilesizey) >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X1(tilesizex), SCR_TILESIZE_Y1(tilesizey),stv2_current_tilemap.alpha); + } + else + { + /* normal */ + stv_vdp2_drawgfxzoom(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(0+(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos >> 16, drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X, SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(1-(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,(drawxpos+tilesizex) >> 16,drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X1(tilesizex), SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(2+(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos >> 16,(drawypos+tilesizey) >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X, SCR_TILESIZE_Y1(tilesizey),stv2_current_tilemap.alpha); + stv_vdp2_drawgfxzoom(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(3-(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,(drawxpos+tilesizex)>> 16,(drawypos+tilesizey) >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X1(tilesizex), SCR_TILESIZE_Y1(tilesizey),stv2_current_tilemap.alpha); + } + } + else + { + if ( stv2_current_tilemap.colour_depth == 4 ) + popmessage("Unsupported tilemap gfx zoom color depth = 4, tile size = 0, contact MAMEdev"); + else if ( stv2_current_tilemap.colour_depth == 3) + { + stv_vdp2_drawgfxzoom_rgb555(bitmap,cliprect,tilecode,pal,flipyx&1,flipyx&2, drawxpos >> 16, drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X,SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + } + else + stv_vdp2_drawgfxzoom(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode,pal,flipyx&1,flipyx&2, drawxpos >> 16, drawypos >> 16,stv2_current_tilemap.transparency,0,scalex,scaley,SCR_TILESIZE_X,SCR_TILESIZE_Y,stv2_current_tilemap.alpha); + } + } + else + { + int olddrawxpos, olddrawypos; + olddrawxpos = drawxpos; drawxpos >>= 16; + olddrawypos = drawypos; drawypos >>= 16; + if (stv2_current_tilemap.tile_size==1) + { + if ( stv2_current_tilemap.colour_depth == 4 ) + { + /* normal */ + stv_vdp2_drawgfx_rgb888(bitmap,cliprect,tilecode+(0+(flipyx&1)+(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos, drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb888(bitmap,cliprect,tilecode+(1-(flipyx&1)+(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos+8,drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb888(bitmap,cliprect,tilecode+(2+(flipyx&1)-(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos,drawypos+8,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb888(bitmap,cliprect,tilecode+(3-(flipyx&1)-(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos+8,drawypos+8,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + } + else if ( stv2_current_tilemap.colour_depth == 3 ) + { + /* normal */ + stv_vdp2_drawgfx_rgb555(bitmap,cliprect,tilecode+(0+(flipyx&1)+(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos, drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb555(bitmap,cliprect,tilecode+(1-(flipyx&1)+(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos+8,drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb555(bitmap,cliprect,tilecode+(2+(flipyx&1)-(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos,drawypos+8,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_rgb555(bitmap,cliprect,tilecode+(3-(flipyx&1)-(flipyx&2))*4,flipyx&1,flipyx&2,drawxpos+8,drawypos+8,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + } + else if (stv2_current_tilemap.transparency == STV_TRANSPARENCY_ALPHA) + { + /* alpha */ + stv_vdp2_drawgfx_alpha(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(0+(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos, drawypos,0,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_alpha(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(1-(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos+8,drawypos,0,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_alpha(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(2+(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos,drawypos+8,0,stv2_current_tilemap.alpha); + stv_vdp2_drawgfx_alpha(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(3-(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos+8,drawypos+8,0,stv2_current_tilemap.alpha); + } + else + { + /* normal */ + stv_vdp2_drawgfx_transpen(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(0+(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos, drawypos,(stv2_current_tilemap.transparency==STV_TRANSPARENCY_PEN)?0:-1); + stv_vdp2_drawgfx_transpen(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(1-(flipyx&1)+(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos+8,drawypos,(stv2_current_tilemap.transparency==STV_TRANSPARENCY_PEN)?0:-1); + stv_vdp2_drawgfx_transpen(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(2+(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos,drawypos+8,(stv2_current_tilemap.transparency==STV_TRANSPARENCY_PEN)?0:-1); + stv_vdp2_drawgfx_transpen(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode+(3-(flipyx&1)-(flipyx&2))*tilecodespacing,pal,flipyx&1,flipyx&2,drawxpos+8,drawypos+8,(stv2_current_tilemap.transparency==STV_TRANSPARENCY_PEN)?0:-1); + } + } + else + { + if ( stv2_current_tilemap.colour_depth == 4) + { + stv_vdp2_drawgfx_rgb888(bitmap,cliprect,tilecode,flipyx&1,flipyx&2,drawxpos,drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + } + else if ( stv2_current_tilemap.colour_depth == 3) + { + stv_vdp2_drawgfx_rgb555(bitmap,cliprect,tilecode,flipyx&1,flipyx&2,drawxpos,drawypos,stv2_current_tilemap.transparency,stv2_current_tilemap.alpha); + } + else + { + if (stv2_current_tilemap.transparency == STV_TRANSPARENCY_ALPHA) + stv_vdp2_drawgfx_alpha(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode,pal,flipyx&1,flipyx&2, drawxpos, drawypos,0,stv2_current_tilemap.alpha); + else + stv_vdp2_drawgfx_transpen(bitmap,cliprect,m_gfxdecode->gfx(gfx),tilecode,pal,flipyx&1,flipyx&2, drawxpos, drawypos,(stv2_current_tilemap.transparency==STV_TRANSPARENCY_PEN)?0:-1); + } + } + drawxpos = olddrawxpos; + drawypos = olddrawypos; + } +/* DRAWN?! */ + + } + } + if ( stv2_current_tilemap.layer_name & 0x80 ) + { + static const int shifttable[4] = {0,1,2,2}; + int uppermask, uppermaskshift; + int mapsize; + uppermaskshift = (1-stv2_current_tilemap.pattern_data_size) | ((1-stv2_current_tilemap.tile_size)<<1); + uppermask = 0x1ff >> uppermaskshift; + + if ( LOG_VDP2 ) + { + logerror( "Layer RBG%d, size %d x %d\n", stv2_current_tilemap.layer_name & 0x7f, cliprect.max_x + 1, cliprect.max_y + 1 ); + logerror( "Tiles: min %08X, max %08X\n", tilecodemin, tilecodemax ); + logerror( "MAP size in dwords %08X\n", mpsize_dwords ); + for (i = 0; i < stv2_current_tilemap.map_count; i++) + { + logerror( "Map register %d: base %08X\n", stv2_current_tilemap.map_offset[i], base[i] ); + } + } + + // store map information + stv_vdp2_layer_data_placement.map_offset_min = 0x7fffffff; + stv_vdp2_layer_data_placement.map_offset_max = 0x00000000; + for (i = 0; i < stv2_current_tilemap.map_count; i++) + { + if ( base[i] < stv_vdp2_layer_data_placement.map_offset_min ) + stv_vdp2_layer_data_placement.map_offset_min = base[i]; + if ( base[i] > stv_vdp2_layer_data_placement.map_offset_max ) + stv_vdp2_layer_data_placement.map_offset_max = base[i]; + } + + + mapsize = ((1 & uppermask) >> shifttable[stv2_current_tilemap.plane_size]) * plsize_bytes - + ((0 & uppermask) >> shifttable[stv2_current_tilemap.plane_size]) * plsize_bytes; + mapsize /= 4; + + stv_vdp2_layer_data_placement.map_offset_max += mapsize; + + stv_vdp2_layer_data_placement.tile_offset_min = tilecodemin * 0x20 / 4; + stv_vdp2_layer_data_placement.tile_offset_max = (tilecodemax + 1) * 0x20 / 4; + } + +} + +#define STV_VDP2_READ_VERTICAL_LINESCROLL( _val, _address ) \ + { \ + _val = m_vdp2_vram[ _address ]; \ + _val &= 0x07ffff00; \ + if ( _val & 0x04000000 ) _val |= 0xf8000000; \ + } + + +void saturn_state::stv_vdp2_check_tilemap_with_linescroll(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + rectangle mycliprect; + int cur_line = cliprect.min_y; + int address; + int active_functions = 0; + INT32 scroll_values[3], prev_scroll_values[3]; + int i; + int scroll_values_equal; + int lines; + INT16 main_scrollx, main_scrolly; +// INT32 incx; + int linescroll_enable, vertical_linescroll_enable, linezoom_enable; + int vertical_linescroll_index = -1; + + // read original scroll values + main_scrollx = stv2_current_tilemap.scrollx; + main_scrolly = stv2_current_tilemap.scrolly; +// incx = stv2_current_tilemap.incx; + + // prepare linescroll flags + linescroll_enable = stv2_current_tilemap.linescroll_enable; +// stv2_current_tilemap.linescroll_enable = 0; + vertical_linescroll_enable = stv2_current_tilemap.vertical_linescroll_enable; +// stv2_current_tilemap.vertical_linescroll_enable = 0; + linezoom_enable = stv2_current_tilemap.linezoom_enable; +// stv2_current_tilemap.linezoom_enable = 0; + + // prepare working clipping rectangle + memcpy( &mycliprect, &cliprect, sizeof(rectangle) ); + + // calculate the number of active functions + if ( linescroll_enable ) active_functions++; + if ( vertical_linescroll_enable ) + { + vertical_linescroll_index = active_functions; + active_functions++; + } + if ( linezoom_enable ) active_functions++; + + // address of data table + address = stv2_current_tilemap.linescroll_table_address + active_functions*4*cliprect.min_y; + + // get the first scroll values + for ( i = 0; i < active_functions; i++ ) + { + if ( i == vertical_linescroll_index ) + { + STV_VDP2_READ_VERTICAL_LINESCROLL( prev_scroll_values[i], (address / 4) + i ); + prev_scroll_values[i] -= (cur_line * stv2_current_tilemap.incy); + } + else + { + prev_scroll_values[i] = m_vdp2_vram[ (address / 4) + i ]; + } + } + + while( cur_line <= cliprect.max_y ) + { + lines = 0; + do + { + // update address + address += active_functions*4; + + // update lines count + lines += stv2_current_tilemap.linescroll_interval; + + // get scroll values + for ( i = 0; i < active_functions; i++ ) + { + if ( i == vertical_linescroll_index ) + { + STV_VDP2_READ_VERTICAL_LINESCROLL( scroll_values[i], (address/4) + i ); + scroll_values[i] -= (cur_line + lines) * stv2_current_tilemap.incy; + } + else + { + scroll_values[i] = m_vdp2_vram[ (address / 4) + i ]; + } + } + + // compare scroll values + scroll_values_equal = 1; + for ( i = 0; i < active_functions; i++ ) + { + scroll_values_equal &= (scroll_values[i] == prev_scroll_values[i]); + } + } while( scroll_values_equal && ((cur_line + lines) <= cliprect.max_y) ); + + // determined how many lines can be drawn + // prepare clipping rectangle + mycliprect.min_y = cur_line; + mycliprect.max_y = cur_line + lines - 1; + + // prepare scroll values + i = 0; + // linescroll + if ( linescroll_enable ) + { + prev_scroll_values[i] &= 0x07ffff00; + if ( prev_scroll_values[i] & 0x04000000 ) prev_scroll_values[i] |= 0xf8000000; + stv2_current_tilemap.scrollx = main_scrollx + (prev_scroll_values[i] >> 16); + i++; + } + // vertical line scroll + if ( vertical_linescroll_enable ) + { + stv2_current_tilemap.scrolly = main_scrolly + (prev_scroll_values[i] >> 16); + i++; + } + + // linezooom + if ( linezoom_enable ) + { + prev_scroll_values[i] &= 0x0007ff00; + if ( prev_scroll_values[i] & 0x00040000 ) prev_scroll_values[i] |= 0xfff80000; + stv2_current_tilemap.incx = prev_scroll_values[i]; + i++; + } + +// if ( LOG_VDP2 ) logerror( "Linescroll: y < %d, %d >, scrollx = %d, scrolly = %d, incx = %f\n", mycliprect.min_y, mycliprect.max_y, stv2_current_tilemap.scrollx, stv2_current_tilemap.scrolly, (float)stv2_current_tilemap.incx/65536.0 ); + // render current tilemap portion + if (stv2_current_tilemap.bitmap_enable) // this layer is a bitmap + { + stv_vdp2_draw_basic_bitmap(bitmap, mycliprect); + } + else + { + //stv_vdp2_apply_window_on_layer(mycliprect); + stv_vdp2_draw_basic_tilemap(bitmap, mycliprect); + } + + // update parameters for next iteration + memcpy( prev_scroll_values, scroll_values, sizeof(scroll_values)); + cur_line += lines; + } +} + +void saturn_state::stv_vdp2_draw_line(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int x,y; + UINT8* gfxdata = m_vdp2.gfx_decode; + UINT32 base_offs,base_mask; + UINT32 pix; + UINT8 interlace; + + interlace = (STV_VDP2_LSMD == 3)+1; + + { + base_mask = STV_VDP2_VRAMSZ ? 0x7ffff : 0x3ffff; + + for(y=cliprect.min_y;y<=cliprect.max_y;y++) + { + base_offs = (STV_VDP2_LCTA & base_mask) << 1; + + if(STV_VDP2_LCCLMD) + base_offs += (y / interlace) << 1; + + for(x=cliprect.min_x;x<=cliprect.max_x;x++) + { + UINT16 pen; + + pen = (gfxdata[base_offs+0]<<8)|gfxdata[base_offs+1]; + pix = bitmap.pix32(y, x); + + bitmap.pix32(y, x) = stv_add_blend(m_palette->pen(pen & 0x7ff),pix); + } + } + } +} + +void saturn_state::stv_vdp2_draw_mosaic(bitmap_rgb32 &bitmap, const rectangle &cliprect, UINT8 is_roz) +{ + int x,y,xi,yi; + UINT8 h_size,v_size; + UINT32 pix; + + h_size = STV_VDP2_MZSZH+1; + v_size = STV_VDP2_MZSZV+1; + + if(is_roz) + v_size = 1; + + if(h_size == 1 && v_size == 1) + return; // don't bother + + if(STV_VDP2_LSMD == 3) + v_size <<= 1; + + for(y=cliprect.min_y;y<=cliprect.max_y;y+=v_size) + { + for(x=cliprect.min_x;x<=cliprect.max_x;x+=h_size) + { + pix = bitmap.pix32(y, x); + + for(yi=0;yi<v_size;yi++) + for(xi=0;xi<h_size;xi++) + bitmap.pix32(y+yi, x+xi) = pix; + } + } +} + +void saturn_state::stv_vdp2_check_tilemap(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + /* the idea is here we check the tilemap capabilities / whats enabled and call an appropriate tilemap drawing routine, or + at the very list throw up a few errors if the tilemaps want to do something we don't support yet */ +// int window_applied = 0; + rectangle mycliprect = cliprect; + + if ( stv2_current_tilemap.linescroll_enable || + stv2_current_tilemap.vertical_linescroll_enable || + stv2_current_tilemap.linezoom_enable ) + { + stv_vdp2_check_tilemap_with_linescroll(bitmap, cliprect); + return; + } + + + if (stv2_current_tilemap.bitmap_enable) // this layer is a bitmap + { + stv_vdp2_draw_basic_bitmap(bitmap, mycliprect); + } + else + { + //stv_vdp2_apply_window_on_layer(mycliprect); + stv_vdp2_draw_basic_tilemap(bitmap, mycliprect); + } + + /* post-processing functions (TODO: needs layer bitmaps to be individual planes to work correctly) */ + if(stv2_current_tilemap.line_screen_enabled && TEST_FUNCTIONS) + stv_vdp2_draw_line(bitmap,cliprect); + + if(stv2_current_tilemap.mosaic_screen_enabled && TEST_FUNCTIONS) + stv_vdp2_draw_mosaic(bitmap,cliprect,stv2_current_tilemap.layer_name & 0x80); + + + { + if(stv2_current_tilemap.colour_depth == 2 && !stv2_current_tilemap.bitmap_enable) + popmessage("2048 color mode used on a non-bitmap plane"); + +// if(STV_VDP2_SCXDN0 || STV_VDP2_SCXDN1 || STV_VDP2_SCYDN0 || STV_VDP2_SCYDN1) +// popmessage("Fractional part scrolling write, contact MAMEdev"); + + /* Pukunpa */ + //if(STV_VDP2_SPWINEN) + // popmessage("Sprite Window enabled"); + + /* Capcom Collection Dai 2 - Choh Makaimura (Duh!) */ + if(STV_VDP2_MZCTL & 0x1f && POPMESSAGE_DEBUG) + popmessage("Mosaic control enabled = %04x\n",STV_VDP2_MZCTL); + + /* Bio Hazard bit 1 */ + /* Airs Adventure 0x3e */ + /* Bakuretsu Hunter */ + if(STV_VDP2_LNCLEN & ~2 && POPMESSAGE_DEBUG) + popmessage("Line Colour screen enabled %04x %08x, contact MAMEdev",STV_VDP2_LNCLEN,STV_VDP2_LCTAU<<16|STV_VDP2_LCTAL); + + /* Bio Hazard 0x400 = extended color calculation enabled */ + /* Advanced World War 0x200 = color calculation ratio mode */ + /* Whizz = 0x8100 */ + /* Dark Saviour = 0x9051 on save select screen (the one with a Saturn in the background) */ + if(STV_VDP2_CCCR & 0x6000) + popmessage("Gradation enabled %04x, contact MAMEdev",STV_VDP2_CCCR); + + /* Advanced VG, Shining Force III */ + if(STV_VDP2_SFCCMD && POPMESSAGE_DEBUG) + popmessage("Special Color Calculation enable %04x, contact MAMEdev",STV_VDP2_SFCCMD); + + /* Cleopatra Fortune Transparent Shadow */ + /* Pretty Fighter X Back & Transparent Shadow*/ + //if(STV_VDP2_SDCTL & 0x0120) + // popmessage("%s shadow select bit enabled, contact MAMEdev",STV_VDP2_SDCTL & 0x100 ? "Transparent" : "Back"); + + /* Langrisser III bit 3 normal, bit 1 during battle field */ + /* Metal Slug bit 0 during gameplay */ + /* Bug! Sega Away Logo onward 0x470 */ + /* Command & Conquer 0x0004 0xc000 */ + if(STV_VDP2_SFSEL & ~0x47f) + popmessage("Special Function Code Select enable %04x %04x, contact MAMEdev",STV_VDP2_SFSEL,STV_VDP2_SFCODE); + + /* Albert Odyssey Gaiden 0x0001 */ + /* Asuka 120% (doesn't make sense?) 0x0101 */ + /* Slam n Jam 96 0x0003 */ + if(STV_VDP2_ZMCTL & 0x0200) + popmessage("Reduction enable %04x, contact MAMEdev",STV_VDP2_ZMCTL); + + /* Burning Rangers and friends FMV, J.League Pro Soccer Club Wo Tsukurou!! backgrounds */ + if(STV_VDP2_SCRCTL & 0x0101 && POPMESSAGE_DEBUG) + popmessage("Vertical cell scroll enable %04x, contact MAMEdev",STV_VDP2_SCRCTL); + + /* Magical Drop III 0x200 -> color calculation window */ + /* Ide Yousuke Meijin No Shin Jissen Mahjong 0x0303 */ + /* Decathlete 0x088 */ + /* Sexy Parodius 0x2300 */ +// if(STV_VDP2_WCTLD & 0x2000) +// popmessage("Special window enabled %04x, contact MAMEdev",STV_VDP2_WCTLD); + + /* Shining Force III, After Burner 2 (doesn't make a proper use tho?) */ + /* Layer Section */ + //if(STV_VDP2_W0LWE || STV_VDP2_W1LWE) + // popmessage("Line Window %s %08x enabled, contact MAMEdev",STV_VDP2_W0LWE ? "0" : "1",STV_VDP2_W0LWTA); + + /* Akumajou Dracula, bits 2-4 */ + /* Arcana Strikes bit 5 */ + /* Choh Makai Mura 0x0055 */ + /* Sega Rally 0x0155 */ + /* Find Love 0x4400 */ + /* Dragon Ball Z 0x3800 - 0x2c00 */ + /* Assault Suit Leynos 2 0x0200*/ + /* Bug! 0x8800 */ + /* Wonder 3 0x0018 */ + if(STV_VDP2_SFPRMD & ~0xff7f) + popmessage("Special Priority Mode enabled %04x, contact MAMEdev",STV_VDP2_SFPRMD); + } +} + + +void saturn_state::stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap, + bitmap_rgb32 &roz_bitmap, + const rectangle &cliprect, + int iRP, + int planesizex, + int planesizey, + int planerenderedsizex, + int planerenderedsizey) +{ + INT32 xsp, ysp, xp, yp, dx, dy, x, y, xs, ys, dxs, dys; + INT32 vcnt, hcnt; + INT32 kx, ky; + INT8 use_coeff_table, coeff_table_mode, coeff_table_size, coeff_table_shift; + INT8 screen_over_process; + UINT8 vcnt_shift, hcnt_shift; + UINT8 coeff_msb; + UINT32 *coeff_table_base, coeff_table_offset; + INT32 coeff_table_val; + UINT32 address; + UINT32 *line; + rgb_t pix; + //UINT32 coeff_line_color_screen_data; + INT32 clipxmask = 0, clipymask = 0; + + + vcnt_shift = ((STV_VDP2_LSMD & 3) == 3); + hcnt_shift = ((STV_VDP2_HRES & 2) == 2); + + planesizex--; + planesizey--; + planerenderedsizex--; + planerenderedsizey--; + + kx = RP.kx; + ky = RP.ky; + + use_coeff_table = coeff_table_mode = coeff_table_size = coeff_table_shift = 0; + coeff_table_offset = 0; + coeff_table_val = 0; + coeff_table_base = NULL; + + if ( LOG_ROZ == 1 ) logerror( "Rendering RBG with parameter %s\n", iRP == 1 ? "A" : "B" ); + if ( LOG_ROZ == 1 ) logerror( "RPMD (parameter mode) = %x\n", STV_VDP2_RPMD ); + if ( LOG_ROZ == 1 ) logerror( "RPRCTL (parameter read control) = %04x\n", STV_VDP2_RPRCTL ); + if ( LOG_ROZ == 1 ) logerror( "KTCTL (coefficient table control) = %04x\n", STV_VDP2_KTCTL ); + if ( LOG_ROZ == 1 ) logerror( "KTAOF (coefficient table address offset) = %04x\n", STV_VDP2_KTAOF ); + if ( LOG_ROZ == 1 ) logerror( "RAOVR (screen-over process) = %x\n", STV_VDP2_RAOVR ); + if ( iRP == 1 ) + { + use_coeff_table = STV_VDP2_RAKTE; + if ( use_coeff_table == 1 ) + { + coeff_table_mode = STV_VDP2_RAKMD; + coeff_table_size = STV_VDP2_RAKDBS; + coeff_table_offset = STV_VDP2_RAKTAOS; + } + screen_over_process = STV_VDP2_RAOVR; + } + else + { + use_coeff_table = STV_VDP2_RBKTE; + if ( use_coeff_table == 1 ) + { + coeff_table_mode = STV_VDP2_RBKMD; + coeff_table_size = STV_VDP2_RBKDBS; + coeff_table_offset = STV_VDP2_RBKTAOS; + } + screen_over_process = STV_VDP2_RBOVR; + } + if ( use_coeff_table ) + { + if ( STV_VDP2_CRKTE == 0 ) + { + coeff_table_base = m_vdp2_vram; + } + else + { + coeff_table_base = m_vdp2_cram; + } + if ( coeff_table_size == 0 ) + { + coeff_table_offset = (coeff_table_offset & 0x0003) * 0x40000; + coeff_table_shift = 2; + } + else + { + coeff_table_offset = (coeff_table_offset & 0x0007) * 0x20000; + coeff_table_shift = 1; + } + } + + if ( stv2_current_tilemap.colour_calculation_enabled == 1 ) + { + if ( STV_VDP2_CCMD ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_ADD_BLEND; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_ALPHA; + } + } + + /* clipping */ + switch( screen_over_process ) + { + case 0: + /* repeated */ + clipxmask = clipymask = 0; + break; + case 1: + /* screen over pattern, not supported */ + clipxmask = clipymask = 0; + break; + case 2: + /* outside display area, scroll screen is transparent */ + clipxmask = ~planesizex; + clipymask = ~planesizey; + break; + case 3: + /* display area is 512x512, outside is transparent */ + clipxmask = ~511; + clipymask = ~511; + break; + } + + //dx = (RP.A * RP.dx) + (RP.B * RP.dy); + //dy = (RP.D * RP.dx) + (RP.E * RP.dy); + dx = mul_fixed32( RP.A, RP.dx ) + mul_fixed32( RP.B, RP.dy ); + dy = mul_fixed32( RP.D, RP.dx ) + mul_fixed32( RP.E, RP.dy ); + + //xp = RP.A * ( RP.px - RP.cx ) + RP.B * ( RP.py - RP.cy ) + RP.C * ( RP.pz - RP.cz ) + RP.cx + RP.mx; + //yp = RP.D * ( RP.px - RP.cx ) + RP.E * ( RP.py - RP.cy ) + RP.F * ( RP.pz - RP.cz ) + RP.cy + RP.my; + xp = mul_fixed32( RP.A, RP.px - RP.cx ) + mul_fixed32( RP.B, RP.py - RP.cy ) + mul_fixed32( RP.C, RP.pz - RP.cz ) + RP.cx + RP.mx; + yp = mul_fixed32( RP.D, RP.px - RP.cx ) + mul_fixed32( RP.E, RP.py - RP.cy ) + mul_fixed32( RP.F, RP.pz - RP.cz ) + RP.cy + RP.my; + + for (vcnt = cliprect.min_y; vcnt <= cliprect.max_y; vcnt++ ) + { + /*xsp = RP.A * ( ( RP.xst + RP.dxst * (vcnt << 16) ) - RP.px ) + + RP.B * ( ( RP.yst + RP.dyst * (vcnt << 16) ) - RP.py ) + + RP.C * ( RP.zst - RP.pz); + ysp = RP.D * ( ( RP.xst + RP.dxst * (vcnt << 16) ) - RP.px ) + + RP.E * ( ( RP.yst + RP.dyst * (vcnt << 16) ) - RP.py ) + + RP.F * ( RP.zst - RP.pz );*/ + xsp = mul_fixed32( RP.A, RP.xst + mul_fixed32( RP.dxst, vcnt << (16 - vcnt_shift)) - RP.px ) + + mul_fixed32( RP.B, RP.yst + mul_fixed32( RP.dyst, vcnt << (16 - vcnt_shift)) - RP.py ) + + mul_fixed32( RP.C, RP.zst - RP.pz ); + ysp = mul_fixed32( RP.D, RP.xst + mul_fixed32( RP.dxst, vcnt << (16 - vcnt_shift)) - RP.px ) + + mul_fixed32( RP.E, RP.yst + mul_fixed32( RP.dyst, vcnt << (16 - vcnt_shift)) - RP.py ) + + mul_fixed32( RP.F, RP.zst - RP.pz ); + //xp = RP.A * ( RP.px - RP.cx ) + RP.B * ( RP.py - RP.cy ) + RP.C * ( RP.pz - RP.cz ) + RP.cx + RP.mx; + //yp = RP.D * ( RP.px - RP.cx ) + RP.E * ( RP.py - RP.cy ) + RP.F * ( RP.pz - RP.cz ) + RP.cy + RP.my; + //dx = (RP.A * RP.dx) + (RP.B * RP.dy); + //dy = (RP.D * RP.dx) + (RP.E * RP.dy); + + line = &bitmap.pix32(vcnt); + + if ( !use_coeff_table || RP.dkax == 0 ) + { + if ( use_coeff_table ) + { + switch( coeff_table_size ) + { + case 0: + address = coeff_table_offset + ((RP.kast + RP.dkast*(vcnt>>vcnt_shift)) >> 16) * 4; + coeff_table_val = coeff_table_base[ address / 4 ]; + //coeff_line_color_screen_data = (coeff_table_val & 0x7f000000) >> 24; + coeff_msb = (coeff_table_val & 0x80000000) > 0; + if ( coeff_table_val & 0x00800000 ) + { + coeff_table_val |= 0xff000000; + } + else + { + coeff_table_val &= 0x007fffff; + } + break; + case 1: + address = coeff_table_offset + ((RP.kast + RP.dkast*(vcnt>>vcnt_shift)) >> 16) * 2; + coeff_table_val = coeff_table_base[ address / 4 ]; + if ( (address & 2) == 0 ) + { + coeff_table_val >>= 16; + } + coeff_table_val &= 0xffff; + //coeff_line_color_screen_data = 0; + coeff_msb = (coeff_table_val & 0x8000) > 0; + if ( coeff_table_val & 0x4000 ) + { + coeff_table_val |= 0xffff8000; + } + else + { + coeff_table_val &= 0x3fff; + } + coeff_table_val <<= 6; /* to form 16.16 fixed point val */ + break; + default: + coeff_msb = 1; + break; + } + if ( coeff_msb ) continue; + + switch( coeff_table_mode ) + { + case 0: + kx = ky = coeff_table_val; + break; + case 1: + kx = coeff_table_val; + break; + case 2: + ky = coeff_table_val; + break; + case 3: + xp = coeff_table_val; + break; + } + } + + //x = RP.kx * ( xsp + dx * (hcnt << 16)) + xp; + //y = RP.ky * ( ysp + dy * (hcnt << 16)) + yp; + xs = mul_fixed32( kx, xsp ) + xp; + ys = mul_fixed32( ky, ysp ) + yp; + dxs = mul_fixed32( kx, mul_fixed32( dx, 1 << (16-hcnt_shift))); + dys = mul_fixed32( ky, mul_fixed32( dy, 1 << (16-hcnt_shift))); + + for (hcnt = cliprect.min_x; hcnt <= cliprect.max_x; xs+=dxs, ys+=dys, hcnt++ ) + { + x = xs >> 16; + y = ys >> 16; + + if ( x & clipxmask || y & clipymask ) continue; + pix = roz_bitmap.pix32(y & planerenderedsizey, x & planerenderedsizex); + switch( stv2_current_tilemap.transparency ) + { + case STV_TRANSPARENCY_PEN: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = pix; + } + break; + case STV_TRANSPARENCY_NONE: + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = pix; + break; + case STV_TRANSPARENCY_ALPHA: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = alpha_blend_r32( line[hcnt], pix, stv2_current_tilemap.alpha ); + } + break; + case STV_TRANSPARENCY_ADD_BLEND: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = stv_add_blend( line[hcnt], pix ); + } + break; + } + + } + } + else + { + for (hcnt = cliprect.min_x; hcnt <= cliprect.max_x; hcnt++ ) + { + switch( coeff_table_size ) + { + case 0: + address = coeff_table_offset + ((RP.kast + RP.dkast*(vcnt>>vcnt_shift) + RP.dkax*hcnt) >> 16) * 4; + coeff_table_val = coeff_table_base[ address / 4 ]; + //coeff_line_color_screen_data = (coeff_table_val & 0x7f000000) >> 24; + coeff_msb = (coeff_table_val & 0x80000000) > 0; + if ( coeff_table_val & 0x00800000 ) + { + coeff_table_val |= 0xff000000; + } + else + { + coeff_table_val &= 0x007fffff; + } + break; + case 1: + address = coeff_table_offset + ((RP.kast + RP.dkast*(vcnt>>vcnt_shift) + RP.dkax*hcnt) >> 16) * 2; + coeff_table_val = coeff_table_base[ address / 4 ]; + if ( (address & 2) == 0 ) + { + coeff_table_val >>= 16; + } + coeff_table_val &= 0xffff; + //coeff_line_color_screen_data = 0; + coeff_msb = (coeff_table_val & 0x8000) > 0; + if ( coeff_table_val & 0x4000 ) + { + coeff_table_val |= 0xffff8000; + } + else + { + coeff_table_val &= 0x3fff; + } + coeff_table_val <<= 6; /* to form 16.16 fixed point val */ + break; + default: + coeff_msb = 1; + break; + } + if ( coeff_msb ) continue; + switch( coeff_table_mode ) + { + case 0: + kx = ky = coeff_table_val; + break; + case 1: + kx = coeff_table_val; + break; + case 2: + ky = coeff_table_val; + break; + case 3: + xp = coeff_table_val; + break; + } + + //x = RP.kx * ( xsp + dx * (hcnt << 16)) + xp; + //y = RP.ky * ( ysp + dy * (hcnt << 16)) + yp; + x = mul_fixed32( kx, xsp + mul_fixed32( dx, (hcnt>>hcnt_shift) << 16 ) ) + xp; + y = mul_fixed32( ky, ysp + mul_fixed32( dy, (hcnt>>hcnt_shift) << 16 ) ) + yp; + + x >>= 16; + y >>= 16; + + if ( x & clipxmask || y & clipymask ) continue; + + pix = roz_bitmap.pix32(y & planerenderedsizey, x & planerenderedsizex); + switch( stv2_current_tilemap.transparency ) + { + case STV_TRANSPARENCY_PEN: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = pix; + } + break; + case STV_TRANSPARENCY_NONE: + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = pix; + break; + case STV_TRANSPARENCY_ALPHA: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = alpha_blend_r32( line[hcnt], pix, stv2_current_tilemap.alpha ); + } + break; + case STV_TRANSPARENCY_ADD_BLEND: + if (pix & 0xffffff) + { + if(stv2_current_tilemap.fade_control & 1) + stv_vdp2_compute_color_offset_UINT32(&pix,stv2_current_tilemap.fade_control & 2); + + line[hcnt] = stv_add_blend( line[hcnt], pix ); + } + break; + } + } + } + } +} + +void saturn_state::stv_vdp2_draw_NBG0(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + UINT32 base_mask; + + base_mask = STV_VDP2_VRAMSZ ? 0x7ffff : 0x3ffff; + + /* + Colours : 16, 256, 2048, 32768, 16770000 + Char Size : 1x1 cells, 2x2 cells + Pattern Data Size : 1 word, 2 words + Plane Layouts : 1 x 1, 2 x 1, 2 x 2 + Planes : 4 + Bitmap : Possible + Bitmap Sizes : 512 x 256, 512 x 512, 1024 x 256, 1024 x 512 + Scale : 0.25 x - 256 x + Rotation : No + Linescroll : Yes + Column Scroll : Yes + Mosaic : Yes + */ + + stv2_current_tilemap.enabled = STV_VDP2_N0ON | STV_VDP2_R1ON; + +// if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + //stv2_current_tilemap.trans_enabled = STV_VDP2_N0TPON; + if ( STV_VDP2_N0CCEN ) + { + stv2_current_tilemap.colour_calculation_enabled = 1; + stv2_current_tilemap.alpha = ((UINT16)(0x1f-STV_VDP2_N0CCRT)*0xff)/0x1f; + } + else + { + stv2_current_tilemap.colour_calculation_enabled = 0; + } + if ( STV_VDP2_N0TPON == 0 ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_PEN; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_NONE; + } + stv2_current_tilemap.colour_depth = STV_VDP2_N0CHCN; + stv2_current_tilemap.tile_size = STV_VDP2_N0CHSZ; + stv2_current_tilemap.bitmap_enable = STV_VDP2_N0BMEN; + stv2_current_tilemap.bitmap_size = STV_VDP2_N0BMSZ; + stv2_current_tilemap.bitmap_palette_number = STV_VDP2_N0BMP; + stv2_current_tilemap.bitmap_map = STV_VDP2_N0MP_; + stv2_current_tilemap.map_offset[0] = STV_VDP2_N0MPA | (STV_VDP2_N0MP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_N0MPB | (STV_VDP2_N0MP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_N0MPC | (STV_VDP2_N0MP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_N0MPD | (STV_VDP2_N0MP_ << 6); + stv2_current_tilemap.map_count = 4; + + stv2_current_tilemap.pattern_data_size = STV_VDP2_N0PNB; + stv2_current_tilemap.character_number_supplement = STV_VDP2_N0CNSM; + stv2_current_tilemap.special_priority_register = STV_VDP2_N0SPR; + stv2_current_tilemap.special_colour_control_register = STV_VDP2_PNCN0; + stv2_current_tilemap.supplementary_palette_bits = STV_VDP2_N0SPLT; + stv2_current_tilemap.supplementary_character_bits = STV_VDP2_N0SPCN; + + stv2_current_tilemap.scrollx = STV_VDP2_SCXIN0; + stv2_current_tilemap.scrolly = STV_VDP2_SCYIN0; + stv2_current_tilemap.incx = STV_VDP2_ZMXN0; + stv2_current_tilemap.incy = STV_VDP2_ZMYN0; + + stv2_current_tilemap.linescroll_enable = STV_VDP2_N0LSCX; + stv2_current_tilemap.linescroll_interval = (((STV_VDP2_LSMD & 3) == 2) ? (2) : (1)) << (STV_VDP2_N0LSS); + stv2_current_tilemap.linescroll_table_address = (((STV_VDP2_LSTA0U << 16) | STV_VDP2_LSTA0L) & base_mask) * 2; + stv2_current_tilemap.vertical_linescroll_enable = STV_VDP2_N0LSCY; + stv2_current_tilemap.linezoom_enable = STV_VDP2_N0LZMX; + + stv2_current_tilemap.plane_size = (STV_VDP2_R1ON) ? STV_VDP2_RBPLSZ : STV_VDP2_N0PLSZ; + stv2_current_tilemap.colour_ram_address_offset = STV_VDP2_N0CAOS; + stv2_current_tilemap.fade_control = (STV_VDP2_N0COEN * 1) | (STV_VDP2_N0COSL * 2); + stv_vdp2_check_fade_control_for_layer(); + stv2_current_tilemap.window_control.logic = STV_VDP2_N0LOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_N0W0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_N0W1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_N0SWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_N0W0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_N0W1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_N0SWA; + + stv2_current_tilemap.line_screen_enabled = STV_VDP2_N0LCEN; + stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N0MZE; + + stv2_current_tilemap.layer_name=(STV_VDP2_R1ON) ? 0x81 : 0; + + if ( stv2_current_tilemap.enabled && (!(STV_VDP2_R1ON))) /* TODO: check cycle pattern for RBG1 */ + { + stv2_current_tilemap.enabled = stv_vdp2_check_vram_cycle_pattern_registers( STV_VDP2_CP_NBG0_PNMDR, STV_VDP2_CP_NBG0_CPDR, stv2_current_tilemap.bitmap_enable ); + } + + if(STV_VDP2_R1ON) + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 2 ); + else + stv_vdp2_check_tilemap(bitmap, cliprect); +} + +void saturn_state::stv_vdp2_draw_NBG1(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + UINT32 base_mask; + + base_mask = STV_VDP2_VRAMSZ ? 0x7ffff : 0x3ffff; + + /* + Colours : 16, 256, 2048, 32768 + Char Size : 1x1 cells, 2x2 cells + Pattern Data Size : 1 word, 2 words + Plane Layouts : 1 x 1, 2 x 1, 2 x 2 + Planes : 4 + Bitmap : Possible + Bitmap Sizes : 512 x 256, 512 x 512, 1024 x 256, 1024 x 512 + Scale : 0.25 x - 256 x + Rotation : No + Linescroll : Yes + Column Scroll : Yes + Mosaic : Yes + */ + stv2_current_tilemap.enabled = STV_VDP2_N1ON; + +// if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + //stv2_current_tilemap.trans_enabled = STV_VDP2_N1TPON; + if ( STV_VDP2_N1CCEN ) + { + stv2_current_tilemap.colour_calculation_enabled = 1; + stv2_current_tilemap.alpha = ((UINT16)(0x1f-STV_VDP2_N1CCRT)*0xff)/0x1f; + } + else + { + stv2_current_tilemap.colour_calculation_enabled = 0; + } + if ( STV_VDP2_N1TPON == 0 ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_PEN; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_NONE; + } + stv2_current_tilemap.colour_depth = STV_VDP2_N1CHCN; + stv2_current_tilemap.tile_size = STV_VDP2_N1CHSZ; + stv2_current_tilemap.bitmap_enable = STV_VDP2_N1BMEN; + stv2_current_tilemap.bitmap_size = STV_VDP2_N1BMSZ; + stv2_current_tilemap.bitmap_palette_number = STV_VDP2_N1BMP; + stv2_current_tilemap.bitmap_map = STV_VDP2_N1MP_; + stv2_current_tilemap.map_offset[0] = STV_VDP2_N1MPA | (STV_VDP2_N1MP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_N1MPB | (STV_VDP2_N1MP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_N1MPC | (STV_VDP2_N1MP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_N1MPD | (STV_VDP2_N1MP_ << 6); + stv2_current_tilemap.map_count = 4; + + stv2_current_tilemap.pattern_data_size = STV_VDP2_N1PNB; + stv2_current_tilemap.character_number_supplement = STV_VDP2_N1CNSM; + stv2_current_tilemap.special_priority_register = STV_VDP2_N1SPR; + stv2_current_tilemap.special_colour_control_register = STV_VDP2_PNCN1; + stv2_current_tilemap.supplementary_palette_bits = STV_VDP2_N1SPLT; + stv2_current_tilemap.supplementary_character_bits = STV_VDP2_N1SPCN; + + stv2_current_tilemap.scrollx = STV_VDP2_SCXIN1; + stv2_current_tilemap.scrolly = STV_VDP2_SCYIN1; + stv2_current_tilemap.incx = STV_VDP2_ZMXN1; + stv2_current_tilemap.incy = STV_VDP2_ZMYN1; + + stv2_current_tilemap.linescroll_enable = STV_VDP2_N1LSCX; + stv2_current_tilemap.linescroll_interval = (((STV_VDP2_LSMD & 3) == 2) ? (2) : (1)) << (STV_VDP2_N1LSS); + stv2_current_tilemap.linescroll_table_address = (((STV_VDP2_LSTA1U << 16) | STV_VDP2_LSTA1L) & base_mask) * 2; + stv2_current_tilemap.vertical_linescroll_enable = STV_VDP2_N1LSCY; + stv2_current_tilemap.linezoom_enable = STV_VDP2_N1LZMX; + + stv2_current_tilemap.plane_size = STV_VDP2_N1PLSZ; + stv2_current_tilemap.colour_ram_address_offset = STV_VDP2_N1CAOS; + stv2_current_tilemap.fade_control = (STV_VDP2_N1COEN * 1) | (STV_VDP2_N1COSL * 2); + stv_vdp2_check_fade_control_for_layer(); + stv2_current_tilemap.window_control.logic = STV_VDP2_N1LOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_N1W0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_N1W1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_N1SWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_N1W0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_N1W1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_N1SWA; + + stv2_current_tilemap.line_screen_enabled = STV_VDP2_N1LCEN; + stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N1MZE; + + stv2_current_tilemap.layer_name=1; + + if ( stv2_current_tilemap.enabled ) + { + stv2_current_tilemap.enabled = stv_vdp2_check_vram_cycle_pattern_registers( STV_VDP2_CP_NBG1_PNMDR, STV_VDP2_CP_NBG1_CPDR, stv2_current_tilemap.bitmap_enable ); + } + + stv_vdp2_check_tilemap(bitmap, cliprect); +} + +void saturn_state::stv_vdp2_draw_NBG2(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + /* + NBG2 is the first of the 2 more basic tilemaps, it has exactly the same capabilities as NBG3 + + Colours : 16, 256 + Char Size : 1x1 cells, 2x2 cells + Pattern Data Size : 1 word, 2 words + Plane Layouts : 1 x 1, 2 x 1, 2 x 2 + Planes : 4 + Bitmap : No + Bitmap Sizes : N/A + Scale : No + Rotation : No + Linescroll : No + Column Scroll : No + Mosaic : Yes + */ + + stv2_current_tilemap.enabled = STV_VDP2_N2ON; + + /* these modes for N0 disable this layer */ + if (STV_VDP2_N0CHCN == 0x03) stv2_current_tilemap.enabled = 0; + if (STV_VDP2_N0CHCN == 0x04) stv2_current_tilemap.enabled = 0; + +// if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + //stv2_current_tilemap.trans_enabled = STV_VDP2_N2TPON; + if ( STV_VDP2_N2CCEN ) + { + stv2_current_tilemap.colour_calculation_enabled = 1; + stv2_current_tilemap.alpha = ((UINT16)(0x1f-STV_VDP2_N2CCRT)*0xff)/0x1f; + } + else + { + stv2_current_tilemap.colour_calculation_enabled = 0; + } + if ( STV_VDP2_N2TPON == 0 ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_PEN; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_NONE; + } + stv2_current_tilemap.colour_depth = STV_VDP2_N2CHCN; + stv2_current_tilemap.tile_size = STV_VDP2_N2CHSZ; + /* this layer can't be a bitmap,so ignore these registers*/ + stv2_current_tilemap.bitmap_enable = 0; + stv2_current_tilemap.bitmap_size = 0; + stv2_current_tilemap.bitmap_palette_number = 0; + stv2_current_tilemap.bitmap_map = 0; + stv2_current_tilemap.map_offset[0] = STV_VDP2_N2MPA | (STV_VDP2_N2MP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_N2MPB | (STV_VDP2_N2MP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_N2MPC | (STV_VDP2_N2MP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_N2MPD | (STV_VDP2_N2MP_ << 6); + stv2_current_tilemap.map_count = 4; + + stv2_current_tilemap.pattern_data_size = STV_VDP2_N2PNB; + stv2_current_tilemap.character_number_supplement = STV_VDP2_N2CNSM; + stv2_current_tilemap.special_priority_register = STV_VDP2_N2SPR; + stv2_current_tilemap.special_colour_control_register = STV_VDP2_PNCN2; + stv2_current_tilemap.supplementary_palette_bits = STV_VDP2_N2SPLT; + stv2_current_tilemap.supplementary_character_bits = STV_VDP2_N2SPCN; + + stv2_current_tilemap.scrollx = STV_VDP2_SCXN2; + stv2_current_tilemap.scrolly = STV_VDP2_SCYN2; + /*This layer can't be scaled*/ + stv2_current_tilemap.incx = 0x10000; + stv2_current_tilemap.incy = 0x10000; + + stv2_current_tilemap.linescroll_enable = 0; + stv2_current_tilemap.linescroll_interval = 0; + stv2_current_tilemap.linescroll_table_address = 0; + stv2_current_tilemap.vertical_linescroll_enable = 0; + stv2_current_tilemap.linezoom_enable = 0; + + stv2_current_tilemap.colour_ram_address_offset = STV_VDP2_N2CAOS; + stv2_current_tilemap.fade_control = (STV_VDP2_N2COEN * 1) | (STV_VDP2_N2COSL * 2); + stv_vdp2_check_fade_control_for_layer(); + stv2_current_tilemap.window_control.logic = STV_VDP2_N2LOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_N2W0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_N2W1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_N2SWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_N2W0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_N2W1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_N2SWA; + + stv2_current_tilemap.line_screen_enabled = STV_VDP2_N2LCEN; + stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N2MZE; + + stv2_current_tilemap.layer_name=2; + + stv2_current_tilemap.plane_size = STV_VDP2_N2PLSZ; + + if ( stv2_current_tilemap.enabled ) + { + stv2_current_tilemap.enabled = stv_vdp2_check_vram_cycle_pattern_registers( STV_VDP2_CP_NBG2_PNMDR, STV_VDP2_CP_NBG2_CPDR, stv2_current_tilemap.bitmap_enable ); + } + + stv_vdp2_check_tilemap(bitmap, cliprect); +} + +void saturn_state::stv_vdp2_draw_NBG3(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + /* + NBG3 is the second of the 2 more basic tilemaps, it has exactly the same capabilities as NBG2 + + Colours : 16, 256 + Char Size : 1x1 cells, 2x2 cells + Pattern Data Size : 1 word, 2 words + Plane Layouts : 1 x 1, 2 x 1, 2 x 2 + Planes : 4 + Bitmap : No + Bitmap Sizes : N/A + Scale : No + Rotation : No + Linescroll : No + Column Scroll : No + Mosaic : Yes + */ + + stv2_current_tilemap.enabled = STV_VDP2_N3ON; + +// if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + /* these modes for N1 disable this layer */ + if (STV_VDP2_N1CHCN == 0x03) stv2_current_tilemap.enabled = 0; + if (STV_VDP2_N1CHCN == 0x04) stv2_current_tilemap.enabled = 0; + + //stv2_current_tilemap.trans_enabled = STV_VDP2_N3TPON; + if ( STV_VDP2_N3CCEN ) + { + stv2_current_tilemap.colour_calculation_enabled = 1; + stv2_current_tilemap.alpha = ((UINT16)(0x1f-STV_VDP2_N3CCRT)*0xff)/0x1f; + } + else + { + stv2_current_tilemap.colour_calculation_enabled = 0; + } + if ( STV_VDP2_N3TPON == 0 ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_PEN; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_NONE; + } + stv2_current_tilemap.colour_depth = STV_VDP2_N3CHCN; + stv2_current_tilemap.tile_size = STV_VDP2_N3CHSZ; + /* this layer can't be a bitmap,so ignore these registers*/ + stv2_current_tilemap.bitmap_enable = 0; + stv2_current_tilemap.bitmap_size = 0; + stv2_current_tilemap.bitmap_palette_number = 0; + stv2_current_tilemap.bitmap_map = 0; + stv2_current_tilemap.map_offset[0] = STV_VDP2_N3MPA | (STV_VDP2_N3MP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_N3MPB | (STV_VDP2_N3MP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_N3MPC | (STV_VDP2_N3MP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_N3MPD | (STV_VDP2_N3MP_ << 6); + stv2_current_tilemap.map_count = 4; + + stv2_current_tilemap.pattern_data_size = STV_VDP2_N3PNB; + stv2_current_tilemap.character_number_supplement = STV_VDP2_N3CNSM; + stv2_current_tilemap.special_priority_register = STV_VDP2_N3SPR; + stv2_current_tilemap.special_colour_control_register = STV_VDP2_N3SCC; + stv2_current_tilemap.supplementary_palette_bits = STV_VDP2_N3SPLT; + stv2_current_tilemap.supplementary_character_bits = STV_VDP2_N3SPCN; + + stv2_current_tilemap.scrollx = STV_VDP2_SCXN3; + stv2_current_tilemap.scrolly = STV_VDP2_SCYN3; + /*This layer can't be scaled*/ + stv2_current_tilemap.incx = 0x10000; + stv2_current_tilemap.incy = 0x10000; + + stv2_current_tilemap.linescroll_enable = 0; + stv2_current_tilemap.linescroll_interval = 0; + stv2_current_tilemap.linescroll_table_address = 0; + stv2_current_tilemap.vertical_linescroll_enable = 0; + stv2_current_tilemap.linezoom_enable = 0; + + stv2_current_tilemap.colour_ram_address_offset = STV_VDP2_N3CAOS; + stv2_current_tilemap.fade_control = (STV_VDP2_N3COEN * 1) | (STV_VDP2_N3COSL * 2); + stv_vdp2_check_fade_control_for_layer(); + stv2_current_tilemap.window_control.logic = STV_VDP2_N3LOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_N3W0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_N3W1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_N3SWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_N3W0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_N3W1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_N3SWA; + + stv2_current_tilemap.line_screen_enabled = STV_VDP2_N3LCEN; + stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_N3MZE; + + stv2_current_tilemap.layer_name=3; + + stv2_current_tilemap.plane_size = STV_VDP2_N3PLSZ; + + if ( stv2_current_tilemap.enabled ) + { + stv2_current_tilemap.enabled = stv_vdp2_check_vram_cycle_pattern_registers( STV_VDP2_CP_NBG3_PNMDR, STV_VDP2_CP_NBG3_CPDR, stv2_current_tilemap.bitmap_enable ); + } + + stv_vdp2_check_tilemap(bitmap, cliprect); +} + + +void saturn_state::stv_vdp2_draw_rotation_screen(bitmap_rgb32 &bitmap, const rectangle &cliprect, int iRP) +{ + rectangle roz_clip_rect, mycliprect; + int planesizex = 0, planesizey = 0; + int planerenderedsizex, planerenderedsizey; + UINT8 colour_calculation_enabled; + UINT8 fade_control; + + if ( iRP == 1) + { + stv2_current_tilemap.bitmap_map = STV_VDP2_RAMP_; + stv2_current_tilemap.map_offset[0] = STV_VDP2_RAMPA | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_RAMPB | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_RAMPC | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_RAMPD | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[4] = STV_VDP2_RAMPE | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[5] = STV_VDP2_RAMPF | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[6] = STV_VDP2_RAMPG | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[7] = STV_VDP2_RAMPH | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[8] = STV_VDP2_RAMPI | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[9] = STV_VDP2_RAMPJ | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[10] = STV_VDP2_RAMPK | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[11] = STV_VDP2_RAMPL | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[12] = STV_VDP2_RAMPM | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[13] = STV_VDP2_RAMPN | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[14] = STV_VDP2_RAMPO | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_offset[15] = STV_VDP2_RAMPP | (STV_VDP2_RAMP_ << 6); + stv2_current_tilemap.map_count = 16; + } + else + { + stv2_current_tilemap.bitmap_map = STV_VDP2_RBMP_; + stv2_current_tilemap.map_offset[0] = STV_VDP2_RBMPA | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[1] = STV_VDP2_RBMPB | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[2] = STV_VDP2_RBMPC | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[3] = STV_VDP2_RBMPD | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[4] = STV_VDP2_RBMPE | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[5] = STV_VDP2_RBMPF | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[6] = STV_VDP2_RBMPG | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[7] = STV_VDP2_RBMPH | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[8] = STV_VDP2_RBMPI | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[9] = STV_VDP2_RBMPJ | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[10] = STV_VDP2_RBMPK | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[11] = STV_VDP2_RBMPL | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[12] = STV_VDP2_RBMPM | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[13] = STV_VDP2_RBMPN | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[14] = STV_VDP2_RBMPO | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_offset[15] = STV_VDP2_RBMPP | (STV_VDP2_RBMP_ << 6); + stv2_current_tilemap.map_count = 16; + } + + stv_vdp2_fill_rotation_parameter_table(iRP); + + if ( iRP == 1 ) + { + stv2_current_tilemap.plane_size = STV_VDP2_RAPLSZ; + } + else + { + stv2_current_tilemap.plane_size = STV_VDP2_RBPLSZ; + } + + if (stv2_current_tilemap.bitmap_enable) + { + switch (stv2_current_tilemap.bitmap_size) + { + case 0: planesizex=512; planesizey=256; break; + case 1: planesizex=512; planesizey=512; break; + case 2: planesizex=1024; planesizey=256; break; + case 3: planesizex=1024; planesizey=512; break; + } + } + else + { + switch( stv2_current_tilemap.plane_size ) + { + case 0: + planesizex = planesizey = 2048; + break; + case 1: + planesizex = 4096; + planesizey = 2048; + break; + case 2: + planesizex = 0; + planesizey = 0; + break; + case 3: + planesizex = planesizey = 4096; + break; + } + } + + if ( stv_vdp2_is_rotation_applied() == 0 ) + { + stv2_current_tilemap.scrollx = stv_current_rotation_parameter_table.mx >> 16; + stv2_current_tilemap.scrolly = stv_current_rotation_parameter_table.my >> 16; + + stv_vdp2_check_tilemap(bitmap,cliprect); + } + else + { + if ( !m_vdp2.roz_bitmap[iRP-1].valid() ) + m_vdp2.roz_bitmap[iRP-1].allocate(4096, 4096); + + roz_clip_rect.min_x = roz_clip_rect.min_y = 0; + if ( (iRP == 1 && STV_VDP2_RAOVR == 3) || + (iRP == 2 && STV_VDP2_RBOVR == 3) ) + { + roz_clip_rect.max_x = roz_clip_rect.max_y = 511; + planerenderedsizex = planerenderedsizey = 512; + } + else if (stv_vdp2_are_map_registers_equal() && + !stv2_current_tilemap.bitmap_enable) + { + roz_clip_rect.max_x = (planesizex / 4) - 1; + roz_clip_rect.max_y = (planesizey / 4) - 1; + planerenderedsizex = planesizex / 4; + planerenderedsizey = planesizey / 4; + } + else + { + roz_clip_rect.max_x = planesizex - 1; + roz_clip_rect.max_y = planesizey - 1; + planerenderedsizex = planesizex; + planerenderedsizey = planesizey; + } + + + colour_calculation_enabled = stv2_current_tilemap.colour_calculation_enabled; + stv2_current_tilemap.colour_calculation_enabled = 0; +// window_control = stv2_current_tilemap.window_control; +// stv2_current_tilemap.window_control = 0; + fade_control = stv2_current_tilemap.fade_control; + stv2_current_tilemap.fade_control = 0; + g_profiler.start(PROFILER_USER1); + if ( LOG_VDP2 ) logerror( "Checking for cached RBG bitmap, cache_dirty = %d, memcmp() = %d\n", stv_rbg_cache_data.is_cache_dirty, memcmp(&stv_rbg_cache_data.layer_data[iRP-1],&stv2_current_tilemap,sizeof(stv2_current_tilemap))); + if ( (stv_rbg_cache_data.is_cache_dirty & iRP) || + memcmp(&stv_rbg_cache_data.layer_data[iRP-1],&stv2_current_tilemap,sizeof(stv2_current_tilemap)) != 0 ) + { + m_vdp2.roz_bitmap[iRP-1].fill(m_palette->black_pen(), roz_clip_rect ); + stv_vdp2_check_tilemap(m_vdp2.roz_bitmap[iRP-1], roz_clip_rect); + // prepare cache data + stv_rbg_cache_data.watch_vdp2_vram_writes |= iRP; + stv_rbg_cache_data.is_cache_dirty &= ~iRP; + memcpy(&stv_rbg_cache_data.layer_data[iRP-1], &stv2_current_tilemap, sizeof(stv2_current_tilemap)); + stv_rbg_cache_data.map_offset_min[iRP-1] = stv_vdp2_layer_data_placement.map_offset_min; + stv_rbg_cache_data.map_offset_max[iRP-1] = stv_vdp2_layer_data_placement.map_offset_max; + stv_rbg_cache_data.tile_offset_min[iRP-1] = stv_vdp2_layer_data_placement.tile_offset_min; + stv_rbg_cache_data.tile_offset_max[iRP-1] = stv_vdp2_layer_data_placement.tile_offset_max; + if ( LOG_VDP2 ) logerror( "Cache watch: map = %06X - %06X, tile = %06X - %06X\n", stv_rbg_cache_data.map_offset_min[iRP-1], + stv_rbg_cache_data.map_offset_max[iRP-1], stv_rbg_cache_data.tile_offset_min[iRP-1], stv_rbg_cache_data.tile_offset_max[iRP-1] ); + } + + g_profiler.stop(); + + stv2_current_tilemap.colour_calculation_enabled = colour_calculation_enabled; + if ( colour_calculation_enabled ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_ALPHA; + } + + mycliprect = cliprect; + + /* TODO: remove me. */ + if ( stv2_current_tilemap.window_control.enabled[0] || stv2_current_tilemap.window_control.enabled[1] ) + { + //popmessage("Window control for RBG"); + stv_vdp2_apply_window_on_layer(mycliprect); + stv2_current_tilemap.window_control.enabled[0] = 0; + stv2_current_tilemap.window_control.enabled[1] = 0; + } + + stv2_current_tilemap.fade_control = fade_control; + + g_profiler.start(PROFILER_USER2); + stv_vdp2_copy_roz_bitmap(bitmap, m_vdp2.roz_bitmap[iRP-1], mycliprect, iRP, planesizex, planesizey, planerenderedsizex, planerenderedsizey ); + g_profiler.stop(); + } + +} + +void saturn_state::stv_vdp2_draw_RBG0(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + /* + Colours : 16, 256, 2048, 32768, 16770000 + Char Size : 1x1 cells, 2x2 cells + Pattern Data Size : 1 word, 2 words + Plane Layouts : 1 x 1, 2 x 1, 2 x 2 + Planes : 4 + Bitmap : Possible + Bitmap Sizes : 512 x 256, 512 x 512, 1024 x 256, 1024 x 512 + Scale : 0.25 x - 256 x + Rotation : Yes + Linescroll : Yes + Column Scroll : Yes + Mosaic : Yes + */ + + stv2_current_tilemap.enabled = STV_VDP2_R0ON; + +// if (!stv2_current_tilemap.enabled) return; // stop right now if its disabled ... + + //stv2_current_tilemap.trans_enabled = STV_VDP2_R0TPON; + if ( STV_VDP2_R0CCEN ) + { + stv2_current_tilemap.colour_calculation_enabled = 1; + stv2_current_tilemap.alpha = ((UINT16)(0x1f-STV_VDP2_R0CCRT)*0xff)/0x1f; + } + else + { + stv2_current_tilemap.colour_calculation_enabled = 0; + } + if ( STV_VDP2_R0TPON == 0 ) + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_PEN; + } + else + { + stv2_current_tilemap.transparency = STV_TRANSPARENCY_NONE; + } + stv2_current_tilemap.colour_depth = STV_VDP2_R0CHCN; + stv2_current_tilemap.tile_size = STV_VDP2_R0CHSZ; + stv2_current_tilemap.bitmap_enable = STV_VDP2_R0BMEN; + stv2_current_tilemap.bitmap_size = STV_VDP2_R0BMSZ; + stv2_current_tilemap.bitmap_palette_number = STV_VDP2_R0BMP; + + stv2_current_tilemap.pattern_data_size = STV_VDP2_R0PNB; + stv2_current_tilemap.character_number_supplement = STV_VDP2_R0CNSM; + stv2_current_tilemap.special_priority_register = STV_VDP2_R0SPR; + stv2_current_tilemap.special_colour_control_register = STV_VDP2_R0SCC; + stv2_current_tilemap.supplementary_palette_bits = STV_VDP2_R0SPLT; + stv2_current_tilemap.supplementary_character_bits = STV_VDP2_R0SPCN; + + stv2_current_tilemap.colour_ram_address_offset = STV_VDP2_R0CAOS; + stv2_current_tilemap.fade_control = (STV_VDP2_R0COEN * 1) | (STV_VDP2_R0COSL * 2); + stv_vdp2_check_fade_control_for_layer(); + stv2_current_tilemap.window_control.logic = STV_VDP2_R0LOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_R0W0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_R0W1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_R0SWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_R0W0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_R0W1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_R0SWA; + + stv2_current_tilemap.scrollx = 0; + stv2_current_tilemap.scrolly = 0; + stv2_current_tilemap.incx = 0x10000; + stv2_current_tilemap.incy = 0x10000; + + stv2_current_tilemap.linescroll_enable = 0; + stv2_current_tilemap.linescroll_interval = 0; + stv2_current_tilemap.linescroll_table_address = 0; + stv2_current_tilemap.vertical_linescroll_enable = 0; + stv2_current_tilemap.linezoom_enable = 0; + + stv2_current_tilemap.line_screen_enabled = STV_VDP2_R0LCEN; + stv2_current_tilemap.mosaic_screen_enabled = STV_VDP2_R0MZE; + + /*Use 0x80 as a normal/rotate switch*/ + stv2_current_tilemap.layer_name=0x80; + + if ( !stv2_current_tilemap.enabled ) return; + + switch(STV_VDP2_RPMD) + { + case 0://Rotation Parameter A + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 1 ); + break; + case 1://Rotation Parameter B + //case 2: + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 2 ); + break; + case 2://Rotation Parameter A & B CKTE + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 2 ); + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 1 ); + break; + case 3://Rotation Parameter A & B Window (wrong) + stv_vdp2_draw_rotation_screen(bitmap, cliprect, 1 ); + break; + } + +} + +void saturn_state::stv_vdp2_draw_back(bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + int x,y; + UINT8* gfxdata = m_vdp2.gfx_decode; + UINT32 base_offs,base_mask; + UINT8 interlace; + + interlace = (STV_VDP2_LSMD == 3)+1; + +// popmessage("Back screen %08x %08x %08x",STV_VDP2_BDCLMD,STV_VDP2_BKCLMD,STV_VDP2_BKTA); + + /* draw black if BDCLMD and DISP are cleared */ + if(!(STV_VDP2_BDCLMD) && !(STV_VDP2_DISP)) + bitmap.fill(m_palette->black_pen(), cliprect); + else + { + base_mask = STV_VDP2_VRAMSZ ? 0x7ffff : 0x3ffff; + + for(y=cliprect.min_y;y<=cliprect.max_y;y++) + { + base_offs = ((STV_VDP2_BKTA ) & base_mask) << 1; + if(STV_VDP2_BKCLMD) + base_offs += ((y / interlace) << 1); + + for(x=cliprect.min_x;x<=cliprect.max_x;x++) + { + int r,g,b; + UINT16 dot; + + dot = (gfxdata[base_offs+0]<<8)|gfxdata[base_offs+1]; + b = pal5bit((dot & 0x7c00) >> 10); + g = pal5bit((dot & 0x03e0) >> 5); + r = pal5bit( dot & 0x001f); + if(STV_VDP2_BKCOEN) + stv_vdp2_compute_color_offset( &r, &g, &b, STV_VDP2_BKCOSL ); + + bitmap.pix32(y, x) = rgb_t(r, g, b); + } + } + } +} + +READ32_MEMBER ( saturn_state::saturn_vdp2_vram_r ) +{ + return m_vdp2_vram[offset]; +} + +WRITE32_MEMBER ( saturn_state::saturn_vdp2_vram_w ) +{ + UINT8* gfxdata = m_vdp2.gfx_decode; + + COMBINE_DATA(&m_vdp2_vram[offset]); + + data = m_vdp2_vram[offset]; + /* put in gfx region for easy decoding */ + gfxdata[offset*4+0] = (data & 0xff000000) >> 24; + gfxdata[offset*4+1] = (data & 0x00ff0000) >> 16; + gfxdata[offset*4+2] = (data & 0x0000ff00) >> 8; + gfxdata[offset*4+3] = (data & 0x000000ff) >> 0; + + m_gfxdecode->gfx(0)->mark_dirty(offset/8); + m_gfxdecode->gfx(1)->mark_dirty(offset/8); + m_gfxdecode->gfx(2)->mark_dirty(offset/8); + m_gfxdecode->gfx(3)->mark_dirty(offset/8); + + /* 8-bit tiles overlap, so this affects the previous one as well */ + if (offset/8 != 0) + { + m_gfxdecode->gfx(2)->mark_dirty(offset/8 - 1); + m_gfxdecode->gfx(3)->mark_dirty(offset/8 - 1); + } + + if ( stv_rbg_cache_data.watch_vdp2_vram_writes ) + { + if ( stv_rbg_cache_data.watch_vdp2_vram_writes & STV_VDP2_RBG_ROTATION_PARAMETER_A ) + { + if ( (offset >= stv_rbg_cache_data.map_offset_min[0] && + offset < stv_rbg_cache_data.map_offset_max[0]) || + (offset >= stv_rbg_cache_data.tile_offset_min[0] && + offset < stv_rbg_cache_data.tile_offset_max[0]) ) + { + if ( LOG_VDP2 ) logerror( "RBG Cache: dirtying for RP = 1, write at offset = %06X\n", offset ); + stv_rbg_cache_data.is_cache_dirty |= STV_VDP2_RBG_ROTATION_PARAMETER_A; + stv_rbg_cache_data.watch_vdp2_vram_writes &= ~STV_VDP2_RBG_ROTATION_PARAMETER_A; + } + } + if ( stv_rbg_cache_data.watch_vdp2_vram_writes & STV_VDP2_RBG_ROTATION_PARAMETER_B ) + { + if ( (offset >= stv_rbg_cache_data.map_offset_min[1] && + offset < stv_rbg_cache_data.map_offset_max[1]) || + (offset >= stv_rbg_cache_data.tile_offset_min[1] && + offset < stv_rbg_cache_data.tile_offset_max[1]) ) + { + if ( LOG_VDP2 ) logerror( "RBG Cache: dirtying for RP = 2, write at offset = %06X\n", offset ); + stv_rbg_cache_data.is_cache_dirty |= STV_VDP2_RBG_ROTATION_PARAMETER_B; + stv_rbg_cache_data.watch_vdp2_vram_writes &= ~STV_VDP2_RBG_ROTATION_PARAMETER_B; + } + } + } +} + +READ16_MEMBER ( saturn_state::saturn_vdp2_regs_r ) +{ + switch(offset) + { + case 0x002/2: + { + /* latch h/v signals through HV latch*/ + if(!STV_VDP2_EXLTEN) + { + if(!space.debugger_access()) + { + m_vdp2.h_count = get_hcounter(); + m_vdp2.v_count = get_vcounter(); + /* latch flag */ + m_vdp2.exltfg |= 1; + } + } + + break; + } + case 0x004/2: + { + /*Screen Status Register*/ + /*VBLANK HBLANK ODD PAL */ + m_vdp2_regs[offset] = (m_vdp2.exltfg<<9) | + (m_vdp2.exsyfg<<8) | + (get_vblank() << 3) | + (get_hblank() << 2) | + (get_odd_bit() << 1) | + (m_vdp2.pal << 0); + + /* vblank bit is always 1 if DISP bit is disabled */ + if(!STV_VDP2_DISP) + m_vdp2_regs[offset] |= 1 << 3; + + /* HV latches clears if this register is read */ + if(!space.debugger_access()) + { + m_vdp2.exltfg &= ~1; + m_vdp2.exsyfg &= ~1; + } + break; + } + case 0x006/2: + { + m_vdp2_regs[offset] = (STV_VDP2_VRAMSZ << 15) | + ((0 << 0) & 0xf); // VDP2 version + + /* Games basically r/w the entire VDP2 register area when this is tripped. (example: Silhouette Mirage) + Disable log for the time being. */ + //if(!space.debugger_access()) + // printf("Warning: VDP2 version read\n"); + break; + } + + /* HCNT */ + case 0x008/2: + { + m_vdp2_regs[offset] = (m_vdp2.h_count); + break; + } + + /* VCNT */ + case 0x00a/2: + { + m_vdp2_regs[offset] = (m_vdp2.v_count); + break; + } + + default: + //if(!space.debugger_access()) + // printf("VDP2: read from register %08x %08x\n",offset*4,mem_mask); + break; + } + + return m_vdp2_regs[offset]; +} + +READ32_MEMBER ( saturn_state::saturn_vdp2_cram_r ) +{ + offset &= (0xfff) >> (2); + return m_vdp2_cram[offset]; +} + + + + +WRITE32_MEMBER ( saturn_state::saturn_vdp2_cram_w ) +{ + int r,g,b; + UINT8 cmode0; + + cmode0 = (STV_VDP2_CRMD & 3) == 0; + + offset &= (0xfff) >> (2); + COMBINE_DATA(&m_vdp2_cram[offset]); + + switch( STV_VDP2_CRMD ) + { + /*Mode 2/3*/ + case 2: + case 3: + { + //offset &= (0xfff) >> 2; + + b = ((m_vdp2_cram[offset] & 0x00ff0000) >> 16); + g = ((m_vdp2_cram[offset] & 0x0000ff00) >> 8); + r = ((m_vdp2_cram[offset] & 0x000000ff) >> 0); + m_palette->set_pen_color(offset,rgb_t(r,g,b)); + m_palette->set_pen_color(offset^0x400,rgb_t(r,g,b)); + } + break; + /*Mode 0*/ + case 0: + case 1: + { + offset &= (0xfff) >> (cmode0+2); + + b = ((m_vdp2_cram[offset] & 0x00007c00) >> 10); + g = ((m_vdp2_cram[offset] & 0x000003e0) >> 5); + r = ((m_vdp2_cram[offset] & 0x0000001f) >> 0); + m_palette->set_pen_color((offset*2)+1,pal5bit(r),pal5bit(g),pal5bit(b)); + if(cmode0) + m_palette->set_pen_color(((offset*2)+1)^0x400,pal5bit(r),pal5bit(g),pal5bit(b)); + + b = ((m_vdp2_cram[offset] & 0x7c000000) >> 26); + g = ((m_vdp2_cram[offset] & 0x03e00000) >> 21); + r = ((m_vdp2_cram[offset] & 0x001f0000) >> 16); + m_palette->set_pen_color(offset*2,pal5bit(r),pal5bit(g),pal5bit(b)); + if(cmode0) + m_palette->set_pen_color((offset*2)^0x400,pal5bit(r),pal5bit(g),pal5bit(b)); + } + break; + } +} + +void saturn_state::refresh_palette_data( void ) +{ + int r,g,b; + int c_i; + UINT8 bank; + + switch( STV_VDP2_CRMD ) + { + case 2: + case 3: + { + for(c_i=0;c_i<0x400;c_i++) + { + b = ((m_vdp2_cram[c_i] & 0x00ff0000) >> 16); + g = ((m_vdp2_cram[c_i] & 0x0000ff00) >> 8); + r = ((m_vdp2_cram[c_i] & 0x000000ff) >> 0); + m_palette->set_pen_color(c_i,rgb_t(r,g,b)); + m_palette->set_pen_color(c_i+0x400,rgb_t(r,g,b)); + } + } + break; + case 0: + { + for(bank=0;bank<2;bank++) + { + for(c_i=0;c_i<0x400;c_i++) + { + b = ((m_vdp2_cram[c_i] & 0x00007c00) >> 10); + g = ((m_vdp2_cram[c_i] & 0x000003e0) >> 5); + r = ((m_vdp2_cram[c_i] & 0x0000001f) >> 0); + m_palette->set_pen_color((c_i*2)+1+bank*0x400,pal5bit(r),pal5bit(g),pal5bit(b)); + b = ((m_vdp2_cram[c_i] & 0x7c000000) >> 26); + g = ((m_vdp2_cram[c_i] & 0x03e00000) >> 21); + r = ((m_vdp2_cram[c_i] & 0x001f0000) >> 16); + m_palette->set_pen_color(c_i*2+bank*0x400,pal5bit(r),pal5bit(g),pal5bit(b)); + } + } + } + break; + case 1: + { + for(c_i=0;c_i<0x800;c_i++) + { + b = ((m_vdp2_cram[c_i] & 0x00007c00) >> 10); + g = ((m_vdp2_cram[c_i] & 0x000003e0) >> 5); + r = ((m_vdp2_cram[c_i] & 0x0000001f) >> 0); + m_palette->set_pen_color((c_i*2)+1,pal5bit(r),pal5bit(g),pal5bit(b)); + b = ((m_vdp2_cram[c_i] & 0x7c000000) >> 26); + g = ((m_vdp2_cram[c_i] & 0x03e00000) >> 21); + r = ((m_vdp2_cram[c_i] & 0x001f0000) >> 16); + m_palette->set_pen_color(c_i*2,pal5bit(r),pal5bit(g),pal5bit(b)); + } + } + break; + } +} + +WRITE16_MEMBER ( saturn_state::saturn_vdp2_regs_w ) +{ + COMBINE_DATA(&m_vdp2_regs[offset]); + + if(m_vdp2.old_crmd != STV_VDP2_CRMD) + { + m_vdp2.old_crmd = STV_VDP2_CRMD; + refresh_palette_data(); + } + if(m_vdp2.old_tvmd != STV_VDP2_TVMD) + { + m_vdp2.old_tvmd = STV_VDP2_TVMD; + stv_vdp2_dynamic_res_change(); + } + + if(STV_VDP2_VRAMSZ) + printf("VDP2 sets up 8 Mbit VRAM!\n"); +} + +int saturn_state::get_hblank_duration( void ) +{ + int res; + + res = (STV_VDP2_HRES & 1) ? 455 : 427; + + /* double pump horizontal max res */ + if(STV_VDP2_HRES & 2) + res<<=1; + + return res; +} + +/*some vblank lines measurements (according to Charles MacDonald)*/ +/* TODO: interlace mode "eats" one line, should be 262.5 */ +int saturn_state::get_vblank_duration( void ) +{ + int res; + + res = (m_vdp2.pal) ? 313 : 263; + + /* compensate for interlacing */ + if((STV_VDP2_LSMD & 3) == 3) + res<<=1; + + if(STV_VDP2_HRES & 4) + res = (STV_VDP2_HRES & 1) ? 561 : 525; //Hi-Vision / 31kHz Monitor + + return res; +} + +int saturn_state::get_pixel_clock( void ) +{ + int res,divider; + + res = m_vdp2.dotsel ? MASTER_CLOCK_352 : MASTER_CLOCK_320; + /* TODO: divider is ALWAYS 8, this thing is just to over-compensate for MAME framework faults ... */ + divider = 8; + + if(STV_VDP2_HRES & 2) + divider>>=1; + + if((STV_VDP2_LSMD & 3) == 3) + divider>>=1; + + if(STV_VDP2_HRES & 4) //TODO + divider>>=1; + + return res/divider; +} + +/* TODO: hblank position and hblank firing doesn't really match HW behaviour. */ +UINT8 saturn_state::get_hblank( void ) +{ + const rectangle &visarea = machine().first_screen()->visible_area(); + int cur_h = machine().first_screen()->hpos(); + + if (cur_h > visarea.max_x) //TODO + return 1; + + return 0; +} + +UINT8 saturn_state::get_vblank( void ) +{ + int cur_v,vblank; + cur_v = machine().first_screen()->vpos(); + + vblank = get_vblank_start_position() * get_ystep_count(); + + if (cur_v >= vblank) + return 1; + + return 0; +} + +UINT8 saturn_state::get_odd_bit( void ) +{ + if(STV_VDP2_HRES & 4) //exclusive monitor mode makes this bit to be always 1 + return 1; + + if(STV_VDP2_LSMD == 0) // same for non-interlace mode + return 1; + + return machine().first_screen()->frame_number() & 1; +} + +int saturn_state::get_vblank_start_position( void ) +{ + /* TODO: test says that second setting happens at 241, might need further investigation ... */ + const int d_vres[4] = { 224, 240, 256, 256 }; + int vres_mask; + int vblank_line; + + vres_mask = (m_vdp2.pal << 1)|1; //PAL uses mask 3, NTSC uses mask 1 + vblank_line = d_vres[STV_VDP2_VRES & vres_mask]; + + return vblank_line; +} + +int saturn_state::get_ystep_count( void ) +{ + int max_y = machine().first_screen()->height(); + int y_step; + + y_step = 2; + + if((max_y == 263 && m_vdp2.pal == 0) || (max_y == 313 && m_vdp2.pal == 1)) + y_step = 1; + + return y_step; +} + +/* TODO: these needs to be checked via HW tests! */ +int saturn_state::get_hcounter( void ) +{ + int hcount; + + hcount = machine().first_screen()->hpos(); + + switch(STV_VDP2_HRES & 6) + { + /* Normal */ + case 0: + hcount &= 0x1ff; + hcount <<= 1; + break; + /* Hi-Res */ + case 2: + hcount &= 0x3ff; + break; + /* Exclusive Normal*/ + case 4: + hcount &= 0x1ff; + break; + /* Exclusive Hi-Res */ + case 6: + hcount >>= 1; + hcount &= 0x1ff; + break; + } + + return hcount; +} + +int saturn_state::get_vcounter( void ) +{ + int vcount; + + vcount = machine().first_screen()->vpos(); + + /* Exclusive Monitor */ + if(STV_VDP2_HRES & 4) + return vcount & 0x3ff; + + /* Double Density Interlace */ + if((STV_VDP2_LSMD & 3) == 3) + return (vcount & ~1) | (machine().first_screen()->frame_number() & 1); + + /* docs says << 1, but according to HW tests it's a typo. */ + assert((vcount & 0x1ff) < ARRAY_LENGTH(true_vcount)); + return (true_vcount[vcount & 0x1ff][STV_VDP2_VRES]); // Non-interlace +} + +void saturn_state::stv_vdp2_state_save_postload( void ) +{ + UINT8 *gfxdata = m_vdp2.gfx_decode; + int offset; + UINT32 data; + + for ( offset = 0; offset < 0x100000/4; offset++ ) + { + data = m_vdp2_vram[offset]; + /* put in gfx region for easy decoding */ + gfxdata[offset*4+0] = (data & 0xff000000) >> 24; + gfxdata[offset*4+1] = (data & 0x00ff0000) >> 16; + gfxdata[offset*4+2] = (data & 0x0000ff00) >> 8; + gfxdata[offset*4+3] = (data & 0x000000ff) >> 0; + + m_gfxdecode->gfx(0)->mark_dirty(offset/8); + m_gfxdecode->gfx(1)->mark_dirty(offset/8); + m_gfxdecode->gfx(2)->mark_dirty(offset/8); + m_gfxdecode->gfx(3)->mark_dirty(offset/8); + + /* 8-bit tiles overlap, so this affects the previous one as well */ + if (offset/8 != 0) + { + m_gfxdecode->gfx(2)->mark_dirty(offset/8 - 1); + m_gfxdecode->gfx(3)->mark_dirty(offset/8 - 1); + } + + } + + memset( &stv_rbg_cache_data, 0, sizeof(stv_rbg_cache_data)); + stv_rbg_cache_data.is_cache_dirty = 3; + memset( &stv_vdp2_layer_data_placement, 0, sizeof(stv_vdp2_layer_data_placement)); + + refresh_palette_data(); +} + +void saturn_state::stv_vdp2_exit ( void ) +{ + m_vdp2.roz_bitmap[0].reset(); + m_vdp2.roz_bitmap[1].reset(); +} + +int saturn_state::stv_vdp2_start ( void ) +{ + machine().add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(saturn_state::stv_vdp2_exit), this)); + + m_vdp2_regs = auto_alloc_array_clear(machine(), UINT16, 0x040000/2 ); + m_vdp2_vram = auto_alloc_array_clear(machine(), UINT32, 0x100000/4 ); + m_vdp2_cram = auto_alloc_array_clear(machine(), UINT32, 0x080000/4 ); + m_vdp2.gfx_decode = auto_alloc_array(machine(), UINT8, 0x100000 ); + +// m_gfxdecode->gfx(0)->granularity()=4; +// m_gfxdecode->gfx(1)->granularity()=4; + + memset( &stv_rbg_cache_data, 0, sizeof(stv_rbg_cache_data)); + stv_rbg_cache_data.is_cache_dirty = 3; + memset( &stv_vdp2_layer_data_placement, 0, sizeof(stv_vdp2_layer_data_placement)); + + save_pointer(NAME(m_vdp2_regs), 0x040000/2); + save_pointer(NAME(m_vdp2_vram), 0x100000/4); + save_pointer(NAME(m_vdp2_cram), 0x080000/4); + machine().save().register_postload(save_prepost_delegate(FUNC(saturn_state::stv_vdp2_state_save_postload), this)); + + return 0; +} + +/* maybe we should move this to video/stv.c */ +VIDEO_START_MEMBER(saturn_state,stv_vdp2) +{ + int i; + machine().first_screen()->register_screen_bitmap(m_tmpbitmap); + stv_vdp2_start(); + stv_vdp1_start(); + m_vdpdebug_roz = 0; + m_gfxdecode->gfx(0)->set_source(m_vdp2.gfx_decode); + m_gfxdecode->gfx(1)->set_source(m_vdp2.gfx_decode); + m_gfxdecode->gfx(2)->set_source(m_vdp2.gfx_decode); + m_gfxdecode->gfx(3)->set_source(m_vdp2.gfx_decode); + + /* calc V counter offsets */ + /* 224 mode */ + for(i=0;i<263;i++) + { + true_vcount[i][0] = i; + if(i>0xec) + true_vcount[i][0]+=0xf9; + } + + for(i=0;i<263;i++) + { + true_vcount[i][1] = i; + if(i>0xf5) + true_vcount[i][1]+=0xf9; + } + + /* 256 mode, todo */ + for(i=0;i<263;i++) + { + true_vcount[i][2] = i; + true_vcount[i][3] = i; + } +} + +void saturn_state::stv_vdp2_dynamic_res_change( void ) +{ + const int d_vres[4] = { 224, 240, 256, 256 }; + const int d_hres[4] = { 320, 352, 640, 704 }; + int horz_res,vert_res; + int vres_mask; + + vres_mask = (m_vdp2.pal << 1)|1; //PAL uses mask 3, NTSC uses mask 1 + vert_res = d_vres[STV_VDP2_VRES & vres_mask]; + + if((STV_VDP2_VRES & 3) == 3) + popmessage("Illegal VRES MODE, contact MAMEdev"); + + /*Double-density interlace mode,doubles the vertical res*/ + if((STV_VDP2_LSMD & 3) == 3) { vert_res*=2; } + + horz_res = d_hres[STV_VDP2_HRES & 3]; + /*Exclusive modes,they sets the Vertical Resolution without considering the + VRES register.*/ + if(STV_VDP2_HRES & 4) + vert_res = 480; + + { + int vblank_period,hblank_period; + attoseconds_t refresh; + rectangle visarea(0, horz_res-1, 0, vert_res-1); + + vblank_period = get_vblank_duration(); + hblank_period = get_hblank_duration(); + refresh = HZ_TO_ATTOSECONDS(get_pixel_clock()) * (hblank_period) * vblank_period; + //printf("%d %d %d %d\n",horz_res,vert_res,horz_res+hblank_period,vblank_period); + + machine().first_screen()->configure(hblank_period, vblank_period, visarea, refresh ); + } +// machine().first_screen()->set_visible_area(0*8, horz_res-1,0*8, vert_res-1); +} + +/*This is for calculating the rgb brightness*/ +/*TODO: Optimize this...*/ +void saturn_state::stv_vdp2_fade_effects( void ) +{ + /* + Note:We have to use temporary storages because palette_get_color must use + variables setted with unsigned int8 + */ + INT16 t_r,t_g,t_b; + UINT8 r,g,b; + rgb_t color; + int i; + //popmessage("%04x %04x",STV_VDP2_CLOFEN,STV_VDP2_CLOFSL); + for(i=0;i<2048;i++) + { + /*Fade A*/ + color = m_palette->pen_color(i); + t_r = (STV_VDP2_COAR & 0x100) ? (color.r() - (0x100 - (STV_VDP2_COAR & 0xff))) : ((STV_VDP2_COAR & 0xff) + color.r()); + t_g = (STV_VDP2_COAG & 0x100) ? (color.g() - (0x100 - (STV_VDP2_COAG & 0xff))) : ((STV_VDP2_COAG & 0xff) + color.g()); + t_b = (STV_VDP2_COAB & 0x100) ? (color.b() - (0x100 - (STV_VDP2_COAB & 0xff))) : ((STV_VDP2_COAB & 0xff) + color.b()); + if(t_r < 0) { t_r = 0; } + if(t_r > 0xff) { t_r = 0xff; } + if(t_g < 0) { t_g = 0; } + if(t_g > 0xff) { t_g = 0xff; } + if(t_b < 0) { t_b = 0; } + if(t_b > 0xff) { t_b = 0xff; } + r = t_r; + g = t_g; + b = t_b; + m_palette->set_pen_color(i+(2048*1),rgb_t(r,g,b)); + + /*Fade B*/ + color = m_palette->pen_color(i); + t_r = (STV_VDP2_COBR & 0x100) ? (color.r() - (0xff - (STV_VDP2_COBR & 0xff))) : ((STV_VDP2_COBR & 0xff) + color.r()); + t_g = (STV_VDP2_COBG & 0x100) ? (color.g() - (0xff - (STV_VDP2_COBG & 0xff))) : ((STV_VDP2_COBG & 0xff) + color.g()); + t_b = (STV_VDP2_COBB & 0x100) ? (color.b() - (0xff - (STV_VDP2_COBB & 0xff))) : ((STV_VDP2_COBB & 0xff) + color.b()); + if(t_r < 0) { t_r = 0; } + if(t_r > 0xff) { t_r = 0xff; } + if(t_g < 0) { t_g = 0; } + if(t_g > 0xff) { t_g = 0xff; } + if(t_b < 0) { t_b = 0; } + if(t_b > 0xff) { t_b = 0xff; } + r = t_r; + g = t_g; + b = t_b; + m_palette->set_pen_color(i+(2048*2),rgb_t(r,g,b)); + } + //popmessage("%04x %04x %04x %04x %04x %04x",STV_VDP2_COAR,STV_VDP2_COAG,STV_VDP2_COAB,STV_VDP2_COBR,STV_VDP2_COBG,STV_VDP2_COBB); +} + +void saturn_state::stv_vdp2_get_window0_coordinates(int *s_x, int *e_x, int *s_y, int *e_y) +{ + /*W0*/ + switch(STV_VDP2_LSMD & 3) + { + case 0: + case 1: + case 2: + *s_y = ((STV_VDP2_W0SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W0EY & 0x3ff) >> 0); + break; + case 3: + *s_y = ((STV_VDP2_W0SY & 0x7ff) >> 0); + *e_y = ((STV_VDP2_W0EY & 0x7ff) >> 0); + break; + } + switch(STV_VDP2_HRES & 6) + { + /*Normal*/ + case 0: + *s_x = ((STV_VDP2_W0SX & 0x3fe) >> 1); + *e_x = ((STV_VDP2_W0EX & 0x3fe) >> 1); + break; + /*Hi-Res*/ + case 2: + *s_x = ((STV_VDP2_W0SX & 0x3ff) >> 0); + *e_x = ((STV_VDP2_W0EX & 0x3ff) >> 0); + break; + /*Exclusive Normal*/ + case 4: + *s_x = ((STV_VDP2_W0SX & 0x1ff) >> 0); + *e_x = ((STV_VDP2_W0EX & 0x1ff) >> 0); + *s_y = ((STV_VDP2_W0SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W0EY & 0x3ff) >> 0); + break; + /*Exclusive Hi-Res*/ + case 6: + *s_x = ((STV_VDP2_W0SX & 0x1ff) << 1); + *e_x = ((STV_VDP2_W0EX & 0x1ff) << 1); + *s_y = ((STV_VDP2_W0SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W0EY & 0x3ff) >> 0); + break; + } +} + +void saturn_state::stv_vdp2_get_window1_coordinates(int *s_x, int *e_x, int *s_y, int *e_y) +{ + /*W1*/ + switch(STV_VDP2_LSMD & 3) + { + case 0: + case 1: + case 2: + *s_y = ((STV_VDP2_W1SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W1EY & 0x3ff) >> 0); + break; + case 3: + *s_y = ((STV_VDP2_W1SY & 0x7ff) >> 0); + *e_y = ((STV_VDP2_W1EY & 0x7ff) >> 0); + break; + } + switch(STV_VDP2_HRES & 6) + { + /*Normal*/ + case 0: + *s_x = ((STV_VDP2_W1SX & 0x3fe) >> 1); + *e_x = ((STV_VDP2_W1EX & 0x3fe) >> 1); + break; + /*Hi-Res*/ + case 2: + *s_x = ((STV_VDP2_W1SX & 0x3ff) >> 0); + *e_x = ((STV_VDP2_W1EX & 0x3ff) >> 0); + break; + /*Exclusive Normal*/ + case 4: + *s_x = ((STV_VDP2_W1SX & 0x1ff) >> 0); + *e_x = ((STV_VDP2_W1EX & 0x1ff) >> 0); + *s_y = ((STV_VDP2_W1SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W1EY & 0x3ff) >> 0); + break; + /*Exclusive Hi-Res*/ + case 6: + *s_x = ((STV_VDP2_W1SX & 0x1ff) << 1); + *e_x = ((STV_VDP2_W1EX & 0x1ff) << 1); + *s_y = ((STV_VDP2_W1SY & 0x3ff) >> 0); + *e_y = ((STV_VDP2_W1EY & 0x3ff) >> 0); + break; + } + +} + +int saturn_state::get_window_pixel(int s_x,int e_x,int s_y,int e_y,int x, int y,UINT8 win_num) +{ + int res; + + res = 1; + if(stv2_current_tilemap.window_control.enabled[win_num]) + { + if(stv2_current_tilemap.window_control.area[win_num]) + res = (y >= s_y && y <= e_y && x >= s_x && x <= e_x); + else + res = (y >= s_y && y <= e_y && x >= s_x && x <= e_x) ^ 1; + } + + return res; +} + +inline int saturn_state::stv_vdp2_window_process(int x,int y) +{ + int s_x=0,e_x=0,s_y=0,e_y=0; + int w0_pix, w1_pix; + + if (stv2_current_tilemap.window_control.enabled[0] == 0 && + stv2_current_tilemap.window_control.enabled[1] == 0) + return 1; + + stv_vdp2_get_window0_coordinates(&s_x, &e_x, &s_y, &e_y); + w0_pix = get_window_pixel(s_x,e_x,s_y,e_y,x,y,0); + + stv_vdp2_get_window1_coordinates(&s_x, &e_x, &s_y, &e_y); + w1_pix = get_window_pixel(s_x,e_x,s_y,e_y,x,y,1); + + return stv2_current_tilemap.window_control.logic & 1 ? (w0_pix | w1_pix) : (w0_pix & w1_pix); +} + +/* TODO: remove this crap. */ +int saturn_state::stv_vdp2_apply_window_on_layer(rectangle &cliprect) +{ + int s_x=0,e_x=0,s_y=0,e_y=0; + + if ( stv2_current_tilemap.window_control.enabled[0] && (!stv2_current_tilemap.window_control.area[0])) + { + /* w0, transparent outside supported */ + stv_vdp2_get_window0_coordinates(&s_x, &e_x, &s_y, &e_y); + + if ( s_x > cliprect.min_x ) cliprect.min_x = s_x; + if ( e_x < cliprect.max_x ) cliprect.max_x = e_x; + if ( s_y > cliprect.min_y ) cliprect.min_y = s_y; + if ( e_y < cliprect.max_y ) cliprect.max_y = e_y; + + return 1; + } + else if ( stv2_current_tilemap.window_control.enabled[1] && (!stv2_current_tilemap.window_control.area[1]) ) + { + /* w1, transparent outside supported */ + stv_vdp2_get_window1_coordinates(&s_x, &e_x, &s_y, &e_y); + + if ( s_x > cliprect.min_x ) cliprect.min_x = s_x; + if ( e_x < cliprect.max_x ) cliprect.max_x = e_x; + if ( s_y > cliprect.min_y ) cliprect.min_y = s_y; + if ( e_y < cliprect.max_y ) cliprect.max_y = e_y; + + return 1; + } + else + { + return 0; + } +} + +void saturn_state::draw_sprites(bitmap_rgb32 &bitmap, const rectangle &cliprect, UINT8 pri) +{ + int x,y,r,g,b; + int i; + UINT16 pix; + UINT16 *framebuffer_line; + UINT32 *bitmap_line, *bitmap_line2 = NULL; + UINT8 interlace_framebuffer; + UINT8 double_x; + static const UINT16 sprite_colormask_table[] = { + 0x07ff, 0x07ff, 0x07ff, 0x07ff, 0x03ff, 0x07ff, 0x03ff, 0x01ff, + 0x007f, 0x003f, 0x003f, 0x003f, 0x00ff, 0x00ff, 0x00ff, 0x00ff + }; + static const UINT16 priority_shift_table[] = { 14, 13, 14, 13, 13, 12, 12, 12, 7, 7, 6, 0, 7, 7, 6, 0 }; + static const UINT16 priority_mask_table[] = { 3, 7, 1, 3, 3, 7, 7, 7, 1, 1, 3, 0, 1, 1, 3, 0 }; + static const UINT16 ccrr_shift_table[] = { 11, 11, 11, 11, 10, 11, 10, 9, 0, 6, 0, 6, 0, 6, 0, 6 }; + static const UINT16 ccrr_mask_table[] = { 7, 3, 7, 3, 7, 1, 3, 7, 0, 1, 0, 3, 0, 1, 0, 3 }; + static const UINT16 shadow_mask_table[] = { 0, 0, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0, 0, 0, 0, 0, 0, 0, 0 }; + UINT16 alpha_enabled; + + int sprite_type; + int sprite_colormask; + int color_offset_pal; + int sprite_shadow; + UINT16 sprite_priority_shift, sprite_priority_mask, sprite_ccrr_shift, sprite_ccrr_mask; + UINT8 priority; + UINT8 ccr = 0; + UINT8 sprite_priorities[8]; + UINT8 sprite_ccr[8]; + int sprite_color_mode = STV_VDP2_SPCLMD; + + if ( (stv_sprite_priorities_usage_valid == 1) && (stv_sprite_priorities_used[pri] == 0) ) + return; + + sprite_priorities[0] = STV_VDP2_S0PRIN; + sprite_priorities[1] = STV_VDP2_S1PRIN; + sprite_priorities[2] = STV_VDP2_S2PRIN; + sprite_priorities[3] = STV_VDP2_S3PRIN; + sprite_priorities[4] = STV_VDP2_S4PRIN; + sprite_priorities[5] = STV_VDP2_S5PRIN; + sprite_priorities[6] = STV_VDP2_S6PRIN; + sprite_priorities[7] = STV_VDP2_S7PRIN; + + sprite_ccr[0] = STV_VDP2_S0CCRT; + sprite_ccr[1] = STV_VDP2_S1CCRT; + sprite_ccr[2] = STV_VDP2_S2CCRT; + sprite_ccr[3] = STV_VDP2_S3CCRT; + sprite_ccr[4] = STV_VDP2_S4CCRT; + sprite_ccr[5] = STV_VDP2_S5CCRT; + sprite_ccr[6] = STV_VDP2_S6CCRT; + sprite_ccr[7] = STV_VDP2_S7CCRT; + + sprite_type = STV_VDP2_SPTYPE; + sprite_colormask = sprite_colormask_table[sprite_type]; + sprite_priority_shift = priority_shift_table[sprite_type]; + sprite_priority_mask = priority_mask_table[sprite_type]; + sprite_ccrr_shift = ccrr_shift_table[sprite_type]; + sprite_ccrr_mask = ccrr_mask_table[sprite_type]; + sprite_shadow = shadow_mask_table[sprite_type]; + + for ( i = 0; i < (sprite_priority_mask+1); i++ ) if ( sprite_priorities[i] == pri ) break; + if ( i == (sprite_priority_mask+1) ) return; + + /* color offset (RGB brightness) */ + color_offset_pal = 0; + if ( STV_VDP2_SPCOEN ) + { + if ( STV_VDP2_SPCOSL == 0 ) + { color_offset_pal = 2048; } + else + { color_offset_pal = 2048*2; } + } + + /* color calculation (alpha blending)*/ + if ( STV_VDP2_SPCCEN ) + { + alpha_enabled = 0; + switch( STV_VDP2_SPCCCS ) + { + case 0x0: if ( pri <= STV_VDP2_SPCCN ) alpha_enabled = 1; break; + case 0x1: if ( pri == STV_VDP2_SPCCN ) alpha_enabled = 1; break; + case 0x2: if ( pri >= STV_VDP2_SPCCN ) alpha_enabled = 1; break; + case 0x3: alpha_enabled = 2; sprite_shadow = 0; break; + } + } + else + { + alpha_enabled = 0; + } + + /* framebuffer interlace */ + if ( (STV_VDP2_LSMD == 3) && m_vdp1.framebuffer_double_interlace == 0 ) + interlace_framebuffer = 1; + else + interlace_framebuffer = 0; + + /*Guess:Some games needs that the horizontal sprite size to be doubled + (TODO: understand the proper settings,it might not work like this)*/ + if(STV_VDP1_TVM == 0 && STV_VDP2_HRES & 2) // astrass & findlove + double_x = 1; + else + double_x = 0; + + /* window control */ + stv2_current_tilemap.window_control.logic = STV_VDP2_SPLOG; + stv2_current_tilemap.window_control.enabled[0] = STV_VDP2_SPW0E; + stv2_current_tilemap.window_control.enabled[1] = STV_VDP2_SPW1E; +// stv2_current_tilemap.window_control.? = STV_VDP2_SPSWE; + stv2_current_tilemap.window_control.area[0] = STV_VDP2_SPW0A; + stv2_current_tilemap.window_control.area[1] = STV_VDP2_SPW1A; +// stv2_current_tilemap.window_control.? = STV_VDP2_SPSWA; + +// stv_vdp2_apply_window_on_layer(mycliprect); + + if (interlace_framebuffer == 0 && double_x == 0 ) + { + if ( alpha_enabled == 0 ) + { + for ( y = cliprect.min_y; y <= cliprect.max_y; y++ ) + { + if ( stv_sprite_priorities_usage_valid ) + if (stv_sprite_priorities_in_fb_line[y][pri] == 0) + continue; + + framebuffer_line = m_vdp1.framebuffer_display_lines[y]; + bitmap_line = &bitmap.pix32(y); + + for ( x = cliprect.min_x; x <= cliprect.max_x; x++ ) + { + if(!stv_vdp2_window_process(x,y)) + continue; + + pix = framebuffer_line[x]; + if ( (pix & 0x8000) && sprite_color_mode) + { + if ( sprite_priorities[0] != pri ) + { + stv_sprite_priorities_used[sprite_priorities[0]] = 1; + stv_sprite_priorities_in_fb_line[y][sprite_priorities[0]] = 1; + continue; + }; + + if(STV_VDP2_SPWINEN && pix == 0x8000) /* Pukunpa */ + continue; + + b = pal5bit((pix & 0x7c00) >> 10); + g = pal5bit((pix & 0x03e0) >> 5); + r = pal5bit( pix & 0x001f); + if ( color_offset_pal ) + { + stv_vdp2_compute_color_offset( &r, &g, &b, STV_VDP2_SPCOSL ); + } + + bitmap_line[x] = rgb_t(r, g, b); + } + else + { + priority = sprite_priorities[(pix >> sprite_priority_shift) & sprite_priority_mask]; + if ( priority != pri ) + { + stv_sprite_priorities_used[priority] = 1; + stv_sprite_priorities_in_fb_line[y][priority] = 1; + continue; + }; + + { + pix &= sprite_colormask; + if ( pix == (sprite_colormask - 1) ) + { + /*shadow - in reality, we should check from what layer pixel beneath comes...*/ + if ( STV_VDP2_SDCTL & 0x3f ) + { + rgb_t p = bitmap_line[x]; + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + /* note that when shadows are disabled, "shadow" palette entries are not drawn */ + } + else if ( pix ) + { + pix += (STV_VDP2_SPCAOS << 8); + pix &= 0x7ff; + pix += color_offset_pal; + bitmap_line[x] = m_palette->pen( pix ); + } + } + + /* TODO: I don't think this one makes much logic ... (1) */ + if ( pix & sprite_shadow ) + { + if ( pix & ~sprite_shadow ) + { + rgb_t p = bitmap_line[x]; + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + } + } + } + } + } + else //alpha_enabled == 1 + { + for ( y = cliprect.min_y; y <= cliprect.max_y; y++ ) + { + if ( stv_sprite_priorities_usage_valid ) + if (stv_sprite_priorities_in_fb_line[y][pri] == 0) + continue; + + framebuffer_line = m_vdp1.framebuffer_display_lines[y]; + bitmap_line = &bitmap.pix32(y); + + for ( x = cliprect.min_x; x <= cliprect.max_x; x++ ) + { + if(!stv_vdp2_window_process(x,y)) + continue; + + pix = framebuffer_line[x]; + if ( (pix & 0x8000) && sprite_color_mode) + { + if ( sprite_priorities[0] != pri ) + { + stv_sprite_priorities_used[sprite_priorities[0]] = 1; + stv_sprite_priorities_in_fb_line[y][sprite_priorities[0]] = 1; + continue; + }; + + b = pal5bit((pix & 0x7c00) >> 10); + g = pal5bit((pix & 0x03e0) >> 5); + r = pal5bit( pix & 0x001f); + if ( color_offset_pal ) + { + stv_vdp2_compute_color_offset( &r, &g, &b, STV_VDP2_SPCOSL ); + } + ccr = sprite_ccr[0]; + if ( STV_VDP2_CCMD ) + { + bitmap_line[x] = stv_add_blend( bitmap_line[x], rgb_t(r, g, b)); + } + else + { + bitmap_line[x] = alpha_blend_r32( bitmap_line[x], rgb_t(r, g ,b), ((UINT16)(0x1f-ccr)*0xff)/0x1f); + } + } + else + { + priority = sprite_priorities[(pix >> sprite_priority_shift) & sprite_priority_mask]; + if ( priority != pri ) + { + stv_sprite_priorities_used[priority] = 1; + stv_sprite_priorities_in_fb_line[y][priority] = 1; + continue; + }; + + ccr = sprite_ccr[ (pix >> sprite_ccrr_shift) & sprite_ccrr_mask ]; + if ( alpha_enabled == 2 ) + { + if ( ( pix & 0x8000 ) == 0 ) + { + ccr = 0; + } + } + + + { + pix &= sprite_colormask; + if ( pix == (sprite_colormask - 1) ) + { + /*shadow - in reality, we should check from what layer pixel beneath comes...*/ + if ( STV_VDP2_SDCTL & 0x3f ) + { + rgb_t p = bitmap_line[x]; + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + /* note that when shadows are disabled, "shadow" palette entries are not drawn */ + } else if ( pix ) + { + pix += (STV_VDP2_SPCAOS << 8); + pix &= 0x7ff; + pix += color_offset_pal; + if ( ccr > 0 ) + { + if ( STV_VDP2_CCMD ) + { + bitmap_line[x] = stv_add_blend( bitmap_line[x], m_palette->pen(pix) ); + } + else + { + bitmap_line[x] = alpha_blend_r32( bitmap_line[x], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + } + } + else + bitmap_line[x] = m_palette->pen(pix); + } + } + + /* TODO: (1) */ + if ( pix & sprite_shadow ) + { + if ( pix & ~sprite_shadow ) + { + rgb_t p = bitmap_line[x]; + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + } + } + } + } + } + } + else + { + for ( y = cliprect.min_y; y <= cliprect.max_y / (interlace_framebuffer+1); y++ ) + { + if ( stv_sprite_priorities_usage_valid ) + if (stv_sprite_priorities_in_fb_line[y][pri] == 0) + continue; + + framebuffer_line = m_vdp1.framebuffer_display_lines[y]; + if ( interlace_framebuffer == 0 ) + { + bitmap_line = &bitmap.pix32(y); + } + else + { + bitmap_line = &bitmap.pix32(2*y); + bitmap_line2 = &bitmap.pix32(2*y + 1); + } + + for ( x = cliprect.min_x; x <= cliprect.max_x /(double_x+1) ; x++ ) + { + if(!stv_vdp2_window_process(x,y)) + continue; + + pix = framebuffer_line[x]; + if ( (pix & 0x8000) && sprite_color_mode) + { + if ( sprite_priorities[0] != pri ) + { + stv_sprite_priorities_used[sprite_priorities[0]] = 1; + stv_sprite_priorities_in_fb_line[y][sprite_priorities[0]] = 1; + continue; + }; + + b = pal5bit((pix & 0x7c00) >> 10); + g = pal5bit((pix & 0x03e0) >> 5); + r = pal5bit( pix & 0x001f); + if ( color_offset_pal ) + { + stv_vdp2_compute_color_offset( &r, &g, &b, STV_VDP2_SPCOSL ); + } + if ( alpha_enabled == 0 ) + { + if(double_x) + { + bitmap_line[x*2] = rgb_t(r, g, b); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = rgb_t(r, g, b); + bitmap_line[x*2+1] = rgb_t(r, g, b); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = rgb_t(r, g, b); + } + else + { + bitmap_line[x] = rgb_t(r, g, b); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = rgb_t(r, g, b); + } + } + else // alpha_blend == 1 + { + ccr = sprite_ccr[0]; + + if ( STV_VDP2_CCMD ) + { + if(double_x) + { + bitmap_line[x*2] = stv_add_blend( bitmap_line[x*2], rgb_t(r, g, b) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = stv_add_blend( bitmap_line2[x*2], rgb_t(r, g, b) ); + bitmap_line[x*2+1] = stv_add_blend( bitmap_line[x*2+1], rgb_t(r, g, b) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = stv_add_blend( bitmap_line2[x*2+1], rgb_t(r, g, b) ); + } + else + { + bitmap_line[x] = stv_add_blend( bitmap_line[x], rgb_t(r, g, b) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = stv_add_blend( bitmap_line2[x], rgb_t(r, g, b) ); + } + } + else + { + if(double_x) + { + bitmap_line[x*2] = alpha_blend_r32( bitmap_line[x*2], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = alpha_blend_r32( bitmap_line2[x*2], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + bitmap_line[x*2+1] = alpha_blend_r32( bitmap_line[x*2+1], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = alpha_blend_r32( bitmap_line2[x*2+1], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f); + } + else + { + bitmap_line[x] = alpha_blend_r32( bitmap_line[x], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = alpha_blend_r32( bitmap_line2[x], rgb_t(r, g, b), ((UINT16)(0x1f-ccr)*0xff)/0x1f); + } + } + } + } + else + { + priority = sprite_priorities[(pix >> sprite_priority_shift) & sprite_priority_mask]; + if ( priority != pri ) + { + stv_sprite_priorities_used[priority] = 1; + stv_sprite_priorities_in_fb_line[y][priority] = 1; + continue; + }; + + if ( alpha_enabled ) + ccr = sprite_ccr[ (pix >> sprite_ccrr_shift) & sprite_ccrr_mask ]; + + if ( alpha_enabled == 2 ) + { + if ( ( pix & 0x8000 ) == 0 ) + { + ccr = 0; + } + } + + { + pix &= sprite_colormask; + if ( pix == (sprite_colormask - 1) ) + { + /*shadow - in reality, we should check from what layer pixel beneath comes...*/ + if ( STV_VDP2_SDCTL & 0x3f ) + { + rgb_t p = bitmap_line[x]; + if(double_x) + { + p = bitmap_line[x*2]; + bitmap_line[x*2] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + p = bitmap_line[x*2+1]; + bitmap_line[x*2+1] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + else + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + /* note that when shadows are disabled, "shadow" palette entries are not drawn */ + } else if ( pix ) + { + pix += (STV_VDP2_SPCAOS << 8); + pix &= 0x7ff; + pix += color_offset_pal; + if ( alpha_enabled == 0 ) + { + if(double_x) + { + bitmap_line[x*2] = m_palette->pen( pix ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = m_palette->pen( pix ); + bitmap_line[x*2+1] = m_palette->pen( pix ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = m_palette->pen( pix ); + } + else + { + bitmap_line[x] = m_palette->pen( pix ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = m_palette->pen( pix ); + } + } + else // alpha_blend == 1 + { + if ( STV_VDP2_CCMD ) + { + if(double_x) + { + bitmap_line[x*2] = stv_add_blend( bitmap_line[x*2], m_palette->pen(pix) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = stv_add_blend( bitmap_line2[x], m_palette->pen(pix) ); + bitmap_line[x*2+1] = stv_add_blend( bitmap_line[x*2+1], m_palette->pen(pix) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = stv_add_blend( bitmap_line2[x], m_palette->pen(pix) ); + } + else + { + bitmap_line[x] = stv_add_blend( bitmap_line[x], m_palette->pen(pix) ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = stv_add_blend( bitmap_line2[x], m_palette->pen(pix) ); + } + } + else + { + if(double_x) + { + bitmap_line[x*2] = alpha_blend_r32( bitmap_line[x*2], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2] = alpha_blend_r32( bitmap_line2[x], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + bitmap_line[x*2+1] = alpha_blend_r32( bitmap_line[x*2+1], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x*2+1] = alpha_blend_r32( bitmap_line2[x], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + } + else + { + bitmap_line[x] = alpha_blend_r32( bitmap_line[x], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + if ( interlace_framebuffer == 1 ) bitmap_line2[x] = alpha_blend_r32( bitmap_line2[x], m_palette->pen(pix), ((UINT16)(0x1f-ccr)*0xff)/0x1f ); + } + } + } + } + } + + /* TODO: (1) */ + if ( pix & sprite_shadow ) + { + if ( pix & ~sprite_shadow ) + { + rgb_t p = bitmap_line[x]; + if(double_x) + { + p = bitmap_line[x*2]; + bitmap_line[x*2] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + p = bitmap_line[x*2+1]; + bitmap_line[x*2+1] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + else + bitmap_line[x] = rgb_t(p.r() >> 1, p.g() >> 1, p.b() >> 1); + } + } + } + } + } + } + + stv_sprite_priorities_usage_valid = 1; +} + +UINT32 saturn_state::screen_update_stv_vdp2(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + stv_vdp2_fade_effects(); + + stv_vdp2_draw_back(m_tmpbitmap,cliprect); + + if(STV_VDP2_DISP) + { + UINT8 pri; + + stv_sprite_priorities_usage_valid = 0; + memset(stv_sprite_priorities_used, 0, sizeof(stv_sprite_priorities_used)); + memset(stv_sprite_priorities_in_fb_line, 0, sizeof(stv_sprite_priorities_in_fb_line)); + + /*If a plane has a priority value of zero it isn't shown at all.*/ + for(pri=1;pri<8;pri++) + { + if(pri==STV_VDP2_N3PRIN) { stv_vdp2_draw_NBG3(m_tmpbitmap,cliprect); } + if(pri==STV_VDP2_N2PRIN) { stv_vdp2_draw_NBG2(m_tmpbitmap,cliprect); } + if(pri==STV_VDP2_N1PRIN) { stv_vdp2_draw_NBG1(m_tmpbitmap,cliprect); } + if(pri==STV_VDP2_N0PRIN) { stv_vdp2_draw_NBG0(m_tmpbitmap,cliprect); } + if(pri==STV_VDP2_R0PRIN) { stv_vdp2_draw_RBG0(m_tmpbitmap,cliprect); } + { draw_sprites(m_tmpbitmap,cliprect,pri); } + } + } + + copybitmap(bitmap, m_tmpbitmap, 0, 0, 0, 0, cliprect); + + #if 0 + /* Do NOT remove me, used to test video code performance. */ + if(machine().input().code_pressed(KEYCODE_Q)) + { + popmessage("Halt CPUs"); + m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); + m_slave->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); + m_audiocpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); + } + #endif + return 0; +} |