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Diffstat (limited to 'src/mame/drivers/x1.cpp')
-rw-r--r-- | src/mame/drivers/x1.cpp | 2650 |
1 files changed, 2650 insertions, 0 deletions
diff --git a/src/mame/drivers/x1.cpp b/src/mame/drivers/x1.cpp new file mode 100644 index 00000000000..796f676dab0 --- /dev/null +++ b/src/mame/drivers/x1.cpp @@ -0,0 +1,2650 @@ +// license:LGPL-2.1+ +// copyright-holders:Angelo Salese, Barry Rodewald +/************************************************************************************************ + + Sharp X1 (c) 1983 Sharp Corporation + + driver by Angelo Salese & Barry Rodewald, + special thanks to Dirk Best for various wd17xx fixes + + TODO: + - Rewrite keyboard input hook-up and decap/dump the keyboard MCU if possible; + - Fix the 0xe80/0xe83 kanji ROM readback; + - x1turbo keyboard inputs are currently broken, use x1turbo40 for now; + - Hook-up remaining .tap image formats; + - Implement APSS tape commands; + - Sort out / redump the BIOS gfx roms; + - X1Turbo: Implement SIO. + - Implement true 400 lines mode (i.e. Chatnoir no Mahjong v2.1, Casablanca) + - Implement SASI HDD interface; + - clean-ups! + - There are various unclear video things, these are: + - Implement the remaining scrn regs; + - Implement the new features of the x1turboz, namely the 4096 color feature amongst other things + - (anything else?) + - Driver Configuration switches: + - OPN for X1 + - EMM, and hook-up for X1 too + - RAM size for EMM + - specific x1turboz features? + + per-game/program specific TODO: + - CZ8FB02 / CZ8FB03: doesn't load at all, they are 2hd floppies apparently; + - Chack'n Pop: game is too fast, presumably missing wait states; + - Dragon Buster: it crashed to me once with a obj flag hang; + - The Goonies (x1 only): goes offsync with the PCG beam positions; + - Graphtol: sets up x1turboz paletteram, graphic garbage due of it; + - Gyajiko2: hangs when it's supposed to load the character selection screen, FDC bug? + - Hydlide 3: can't get the user disk to work properly, could be a bad dump; + - Lupin the 3rd: don't know neither how to "data load" nor how to "create a character" ... does the game hangs? + - Might & Magic: uses 0xe80-3 kanji ports, should be a good test case for that; + - "newtype": trips a z80dma assert, worked around for now; + - Saziri: doesn't re-initialize the tilemap attribute vram when you start a play, making it to have missing colors if you don't start a play in time; + - Suikoden: shows a JP message error (DFJustin: "Problem with the disk device !! Please set a floppy disk properly and press the return key. Retrying.") + - Super Billiards (X1 Pack 14): has a slight PCG timing bug, that happens randomly; + - Trivia-Q: dunno what to do on the selection screen, missing inputs? + - Turbo Alpha: has z80dma / fdc bugs, doesn't show the presentation properly and then hangs; + - Will 2: doesn't load, fdc issue presumably (note: it's a x1turbo game ONLY); + - X1F Demo ("New X1 Demo"): needs partial updates, but they doesn't cope well with current video system; + - Ys 2: crashes after the disclaimer screen; + - Ys 3: missing user disk, to hack it (and play with x1turboz features): bp 81ca,pc += 2 + - Ys 3: never uploads a valid 4096 palette, probably related to the fact that we don't have an user disk + + Notes: + - An interesting feature of the Sharp X-1 is the extended i/o bank. When the ppi port c bit 5 + does a 1->0 transition, any write to the i/o space accesses 2 or 3 banks gradients of the bitmap RAM + with a single write (generally used for layer clearances and bitmap-style sprites). + Any i/o read disables this extended bitmap ram. + - I/O port $700 bit 7 of X1 Turbo is a sound (dip-)switch / jumper setting. I don't know yet what is for, + but King's Knight needs it to be active otherwise it refuses to boot. + - ROM format is: + 0x00 ROM id (must be 0x01) + 0x01 - 0x0e ROM header + 0xff16 - 0xff17 start-up vector + In theory, you can convert your tape / floppy games into ROM format easily, provided that you know what's the pinout of the + cartridge slot and it doesn't exceed 64k (0x10000) of size. + - Gruppe: shows a random bitmap graphic then returns "program load error" ... it wants that the floppy has write protection enabled (!) (btanb) + - Maidum: you need to load BOTH disk with write protection disabled, otherwise it refuses to run. (btanb) + - Marvelous: needs write protection disabled (btanb) + - Chack'n Pop: to load this game, do a files command on the "Jodan Dos" prompt then move the cursor up at the "Chack'n Pop" file. + Substitute bin with load and press enter. Finally, do a run once that it loaded correctly. + - Faeries Residence: to load this game, put a basic v2.0 in drive 0, then execute a NEWON command. Load game disks into drive 0 and 1 then + type run"START" (case sensitive) + - POPLEMON: same as above, but you need to type run"POP" + +================================================================================================= + + X1 (CZ-800C) - November, 1982 + * CPU: z80A @ 4MHz, 80C49 x 2 (one for key scan, the other for TV & Cas Ctrl) + * ROM: IPL (4KB) + chargen (2KB) + * RAM: Main memory (64KB) + VRAM (4KB) + RAM for PCG (6KB) + GRAM (48KB, Option) + * Text Mode: 80x25 or 40x25 + * Graphic Mode: 640x200 or 320x200, 8 colors + * Sound: PSG 8 octave + * I/O Ports: Centronic ports, 2 Joystick ports, Cassette port (2700 baud) + + X1C (CZ-801C) - October, 1983 + * same but only 48KB GRAM + + X1D (CZ-802C) - October, 1983 + * same as X1C but with a 3" floppy drive (notice: 3" not 3" 1/2!!) + + X1Cs (CZ-803C) - June, 1984 + * two expansion I/O ports + + X1Ck (CZ-804C) - June, 1984 + * same as X1Cs + * ROM: IPL (4KB) + chargen (2KB) + Kanji 1st level + + X1F Model 10 (CZ-811C) - July, 1985 + * Re-designed + * ROM: IPL (4KB) + chargen (2KB) + + X1F Model 20 (CZ-812C) - July, 1985 + * Re-designed (same as Model 10) + * ROM: IPL (4KB) + chargen (2KB) + Kanji + * Built Tape drive plus a 5" floppy drive was available + + X1G Model 10 (CZ-820C) - July, 1986 + * Re-designed again + * ROM: IPL (4KB) + chargen (2KB) + + X1G Model 30 (CZ-822C) - July, 1986 + * Re-designed again (same as Model 10) + * ROM: IPL (4KB) + chargen (2KB) + Kanji + * Built Tape drive plus a 5" floppy drive was available + + X1twin (CZ-830C) - December, 1986 + * Re-designed again (same as Model 10) + * ROM: IPL (4KB) + chargen (2KB) + Kanji + * Built Tape drive plus a 5" floppy drive was available + * It contains a PC-Engine + + ============= X1 Turbo series ============= + + X1turbo Model 30 (CZ-852C) - October, 1984 + * CPU: z80A @ 4MHz, 80C49 x 2 (one for key scan, the other for TV & Cas Ctrl) + * ROM: IPL (32KB) + chargen (8KB) + Kanji (128KB) + * RAM: Main memory (64KB) + VRAM (6KB) + RAM for PCG (6KB) + GRAM (96KB) + * Text Mode: 80xCh or 40xCh with Ch = 10, 12, 20, 25 (same for Japanese display) + * Graphic Mode: 640x200 or 320x200, 8 colors + * Sound: PSG 8 octave + * I/O Ports: Centronic ports, 2 Joystick ports, built-in Cassette interface, + 2 Floppy drive for 5" disks, two expansion I/O ports + + X1turbo Model 20 (CZ-851C) - October, 1984 + * same as Model 30, but only 1 Floppy drive is included + + X1turbo Model 10 (CZ-850C) - October, 1984 + * same as Model 30, but Floppy drive is optional and GRAM is 48KB (it can + be expanded to 96KB however) + + X1turbo Model 40 (CZ-862C) - July, 1985 + * same as Model 30, but uses tv screen (you could watch television with this) + + X1turboII (CZ-856C) - November, 1985 + * same as Model 30, but restyled, cheaper and sold with utility software + + X1turboIII (CZ-870C) - November, 1986 + * with two High Density Floppy driver + + X1turboZ (CZ-880C) - December, 1986 + * CPU: z80A @ 4MHz, 80C49 x 2 (one for key scan, the other for TV & Cas Ctrl) + * ROM: IPL (32KB) + chargen (8KB) + Kanji 1st & 2nd level + * RAM: Main memory (64KB) + VRAM (6KB) + RAM for PCG (6KB) + GRAM (96KB) + * Text Mode: 80xCh or 40xCh with Ch = 10, 12, 20, 25 (same for Japanese display) + * Graphic Mode: 640x200 or 320x200, 8 colors [in compatibility mode], + 640x400, 8 colors (out of 4096); 320x400, 64 colors (out of 4096); + 320x200, 4096 colors [in multimode], + * Sound: PSG 8 octave + FM 8 octave + * I/O Ports: Centronic ports, 2 Joystick ports, built-in Cassette interface, + 2 Floppy drive for HD 5" disks, two expansion I/O ports + + X1turboZII (CZ-881C) - December, 1987 + * same as turboZ, but added 64KB expansion RAM + + X1turboZIII (CZ-888C) - December, 1988 + * same as turboZII, but no more built-in cassette drive + + Please refer to http://www2s.biglobe.ne.jp/~ITTO/x1/x1menu.html for + more info + + BASIC has to be loaded from external media (tape or disk), the + computer only has an Initial Program Loader (IPL) + +================================================================================================= + + x1turbo specs (courtesy of Yasuhiro Ogawa): + + upper board: Z80A-CPU + Z80A-DMA + Z80A-SIO(O) + Z80A-CTC + uPD8255AC + LH5357(28pin mask ROM. for IPL?) + YM2149F + 16.000MHz(X1) + + lower board: IX0526CE(HN61364) (28pin mask ROM. for ANK font?) + MB83256x4 (Kanji ROMs) + HD46505SP (VDP) + M80C49-277 (MCU) + uPD8255AC + uPD1990 (RTC) + battery + 6.000MHz(X2) + 42.9545MHz(X3) + + FDD I/O board: MB8877A (FDC) + MB4107 (VFO) + + RAM banks: + upper board: MB8265A-15 x8 (main memory) + lower board: MB8416A-12 x3 (VRAM) + MB8416A-15 x3 (PCG RAM) + MB81416-10 x12 (GRAM) + +************************************************************************************************/ + +#include "includes/x1.h" +#include "formats/2d_dsk.h" +#include "softlist.h" + +#define MAIN_CLOCK XTAL_16MHz +#define VDP_CLOCK XTAL_42_9545MHz +#define MCU_CLOCK XTAL_6MHz + + + + +/************************************* + * + * Video Functions + * + *************************************/ + +VIDEO_START_MEMBER(x1_state,x1) +{ + m_avram = auto_alloc_array_clear(machine(), UINT8, 0x800); + m_tvram = auto_alloc_array_clear(machine(), UINT8, 0x800); + m_kvram = auto_alloc_array_clear(machine(), UINT8, 0x800); + m_gfx_bitmap_ram = auto_alloc_array_clear(machine(), UINT8, 0xc000*2); + m_pal_4096 = auto_alloc_array_clear(machine(), UINT8, 0x1000*3); +} + +void x1_state::x1_draw_pixel(bitmap_rgb32 &bitmap,int y,int x,UINT16 pen,UINT8 width,UINT8 height) +{ + if(!machine().first_screen()->visible_area().contains(x, y)) + return; + + if(width && height) + { + bitmap.pix32(y+0+m_ystart, x+0+m_xstart) = m_palette->pen(pen); + bitmap.pix32(y+0+m_ystart, x+1+m_xstart) = m_palette->pen(pen); + bitmap.pix32(y+1+m_ystart, x+0+m_xstart) = m_palette->pen(pen); + bitmap.pix32(y+1+m_ystart, x+1+m_xstart) = m_palette->pen(pen); + } + else if(width) + { + bitmap.pix32(y+m_ystart, x+0+m_xstart) = m_palette->pen(pen); + bitmap.pix32(y+m_ystart, x+1+m_xstart) = m_palette->pen(pen); + } + else if(height) + { + bitmap.pix32(y+0+m_ystart, x+m_xstart) = m_palette->pen(pen); + bitmap.pix32(y+1+m_ystart, x+m_xstart) = m_palette->pen(pen); + } + else + bitmap.pix32(y+m_ystart, x+m_xstart) = m_palette->pen(pen); +} + +#define mc6845_h_char_total (m_crtc_vreg[0]) +#define mc6845_h_display (m_crtc_vreg[1]) +#define mc6845_h_sync_pos (m_crtc_vreg[2]) +#define mc6845_sync_width (m_crtc_vreg[3]) +#define mc6845_v_char_total (m_crtc_vreg[4]) +#define mc6845_v_total_adj (m_crtc_vreg[5]) +#define mc6845_v_display (m_crtc_vreg[6]) +#define mc6845_v_sync_pos (m_crtc_vreg[7]) +#define mc6845_mode_ctrl (m_crtc_vreg[8]) +#define mc6845_tile_height (m_crtc_vreg[9]+1) +#define mc6845_cursor_y_start (m_crtc_vreg[0x0a]) +#define mc6845_cursor_y_end (m_crtc_vreg[0x0b]) +#define mc6845_start_addr (((m_crtc_vreg[0x0c]<<8) & 0x3f00) | (m_crtc_vreg[0x0d] & 0xff)) +#define mc6845_cursor_addr (((m_crtc_vreg[0x0e]<<8) & 0x3f00) | (m_crtc_vreg[0x0f] & 0xff)) +#define mc6845_light_pen_addr (((m_crtc_vreg[0x10]<<8) & 0x3f00) | (m_crtc_vreg[0x11] & 0xff)) +#define mc6845_update_addr (((m_crtc_vreg[0x12]<<8) & 0x3f00) | (m_crtc_vreg[0x13] & 0xff)) + + +/* adjust tile index when we are under double height condition */ +UINT8 x1_state::check_prev_height(int x,int y,int x_size) +{ + UINT8 prev_tile = m_tvram[(x+((y-1)*x_size)+mc6845_start_addr) & 0x7ff]; + UINT8 cur_tile = m_tvram[(x+(y*x_size)+mc6845_start_addr) & 0x7ff]; + UINT8 prev_attr = m_avram[(x+((y-1)*x_size)+mc6845_start_addr) & 0x7ff]; + UINT8 cur_attr = m_avram[(x+(y*x_size)+mc6845_start_addr) & 0x7ff]; + + if(prev_tile == cur_tile && prev_attr == cur_attr) + return 8; + + return 0; +} + +/* Exoa II - Warroid: if double height isn't enabled on the first tile of the line then double height is disabled on everything else. */ +UINT8 x1_state::check_line_valid_height(int y,int x_size,int height) +{ + UINT8 line_attr = m_avram[(0+(y*x_size)+mc6845_start_addr) & 0x7ff]; + + if((line_attr & 0x40) == 0) + return 0; + + return height; +} + +void x1_state::draw_fgtilemap(bitmap_rgb32 &bitmap,const rectangle &cliprect) +{ + /* + attribute table: + x--- ---- double width + -x-- ---- double height + --x- ---- PCG select + ---x ---- color blinking + ---- x--- reverse color + ---- -xxx color pen + + x--- ---- select Kanji ROM + -x-- ---- Kanji side (0=left, 1=right) + --x- ---- Underline + ---x ---- Kanji ROM select (0=level 1, 1=level 2) (TODO: implement this) + ---- xxxx Kanji upper 4 bits + */ + + int y,x,res_x,res_y; + UINT32 tile_offset; + UINT8 x_size,y_size; + + x_size = mc6845_h_display; + y_size = mc6845_v_display; + + if(x_size == 0 || y_size == 0) + return; //don't bother if screen is off + + if(x_size != 80 && x_size != 40 && y_size != 25) + popmessage("%d %d",x_size,y_size); + + for (y=0;y<y_size;y++) + { + for (x=0;x<x_size;x++) + { + int tile = m_tvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff]; + int color = m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff] & 0x1f; + int width = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 7); + int height = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 6); + int pcg_bank = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 5); + UINT8 *gfx_data = pcg_bank ? m_pcg_ram : m_cg_rom; //machine.root_device().memregion(pcg_bank ? "pcg" : "cgrom")->base(); + int knj_enable = 0; + int knj_side = 0; + int knj_bank = 0; + int knj_uline = 0; + if(m_is_turbo) + { + knj_enable = BIT(m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 7); + knj_side = BIT(m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 6); + knj_uline = BIT(m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 5); + //knj_lv2 = BIT(m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 4); + knj_bank = m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff] & 0x0f; + if(knj_enable) + { + gfx_data = m_kanji_rom; + tile = ((tile + (knj_bank << 8)) << 1) + (knj_side & 1); + } + } + + { + int pen[3],pen_mask,pcg_pen,xi,yi,dy; + + pen_mask = color & 7; + + dy = 0; + + height = check_line_valid_height(y,x_size,height); + + if(height && y) + dy = check_prev_height(x,y,x_size); + + /* guess: assume that Kanji VRAM doesn't double the vertical size */ + if(knj_enable) { height = 0; } + + for(yi=0;yi<mc6845_tile_height;yi++) + { + for(xi=0;xi<8;xi++) + { + if(knj_enable) //kanji select + { + tile_offset = tile * 16; + tile_offset += (yi+dy*(m_scrn_reg.v400_mode+1)) >> (height+m_scrn_reg.v400_mode); + pen[0] = gfx_data[tile_offset+0x0000]>>(7-xi) & (pen_mask & 1)>>0; + pen[1] = gfx_data[tile_offset+0x0000]>>(7-xi) & (pen_mask & 2)>>1; + pen[2] = gfx_data[tile_offset+0x0000]>>(7-xi) & (pen_mask & 4)>>2; + + if(yi == mc6845_tile_height-1 && knj_uline) //underlined attribute + { + pen[0] = (pen_mask & 1)>>0; + pen[1] = (pen_mask & 2)>>1; + pen[2] = (pen_mask & 4)>>2; + } + + if((yi >= 16 && m_scrn_reg.v400_mode == 0) || (yi >= 32 && m_scrn_reg.v400_mode == 1)) + pen[0] = pen[1] = pen[2] = 0; + } + else if(pcg_bank) // PCG + { + tile_offset = tile * 8; + tile_offset += (yi+dy*(m_scrn_reg.v400_mode+1)) >> (height+m_scrn_reg.v400_mode); + + pen[0] = gfx_data[tile_offset+0x0000]>>(7-xi) & (pen_mask & 1)>>0; + pen[1] = gfx_data[tile_offset+0x0800]>>(7-xi) & (pen_mask & 2)>>1; + pen[2] = gfx_data[tile_offset+0x1000]>>(7-xi) & (pen_mask & 4)>>2; + + if((yi >= 8 && m_scrn_reg.v400_mode == 0) || (yi >= 16 && m_scrn_reg.v400_mode == 1)) + pen[0] = pen[1] = pen[2] = 0; + } + else + { + tile_offset = tile * (8*(m_scrn_reg.ank_sel+1)); + tile_offset += (yi+dy*(m_scrn_reg.v400_mode+1)) >> (height+m_scrn_reg.v400_mode); + + pen[0] = gfx_data[tile_offset+m_scrn_reg.ank_sel*0x0800]>>(7-xi) & (pen_mask & 1)>>0; + pen[1] = gfx_data[tile_offset+m_scrn_reg.ank_sel*0x0800]>>(7-xi) & (pen_mask & 2)>>1; + pen[2] = gfx_data[tile_offset+m_scrn_reg.ank_sel*0x0800]>>(7-xi) & (pen_mask & 4)>>2; + + if(m_scrn_reg.ank_sel) + { + if((yi >= 16 && m_scrn_reg.v400_mode == 0) || (yi >= 32 && m_scrn_reg.v400_mode == 1)) + pen[0] = pen[1] = pen[2] = 0; + } + else + { + if((yi >= 8 && m_scrn_reg.v400_mode == 0) || (yi >= 16 && m_scrn_reg.v400_mode == 1)) + pen[0] = pen[1] = pen[2] = 0; + } + } + + pcg_pen = pen[2]<<2|pen[1]<<1|pen[0]<<0; + + if(color & 0x10 && machine().first_screen()->frame_number() & 0x10) //reverse flickering + pcg_pen^=7; + + if(pcg_pen == 0 && (!(color & 8))) + continue; + + if(color & 8) //revert the used color pen + pcg_pen^=7; + + if((m_scrn_reg.blackclip & 8) && (color == (m_scrn_reg.blackclip & 7))) + pcg_pen = 0; // clip the pen to black + + res_x = x*8+xi*(width+1); + res_y = y*(mc6845_tile_height)+yi; + + if(res_y < cliprect.min_y || res_y > cliprect.max_y) // partial update, TODO: optimize + continue; + + x1_draw_pixel(bitmap,res_y,res_x,pcg_pen,width,0); + } + } + } + + if(width) //skip next char if we are under double width condition + x++; + } + } +} + +/* + * Priority Mixer Calculation (pri) + * + * If pri is 0xff then the bitmap entirely covers the tilemap, if it's 0x00 then + * the tilemap priority is entirely above the bitmap. Any other value mixes the + * bitmap and the tilemap priorities based on the pen value, bit 0 = entry 0 <-> bit 7 = entry 7 + * of the bitmap. + * + */ +int x1_state::priority_mixer_pri(int color) +{ + int pri_i,pri_mask_calc; + + pri_i = 0; + pri_mask_calc = 1; + + while(pri_i < 7) + { + if((color & 7) == pri_i) + break; + + pri_i++; + pri_mask_calc<<=1; + } + + return pri_mask_calc; +} + +void x1_state::draw_gfxbitmap(bitmap_rgb32 &bitmap,const rectangle &cliprect, int plane,int pri) +{ + int xi,yi,x,y; + int pen_r,pen_g,pen_b,color; + int pri_mask_val; + UINT8 x_size,y_size; + int gfx_offset; + + x_size = mc6845_h_display; + y_size = mc6845_v_display; + + if(x_size == 0 || y_size == 0) + return; //don't bother if screen is off + + if(x_size != 80 && x_size != 40 && y_size != 25) + popmessage("%d %d",x_size,y_size); + + //popmessage("%04x %02x",mc6845_start_addr,mc6845_tile_height); + + for (y=0;y<y_size;y++) + { + for(x=0;x<x_size;x++) + { + for(yi=0;yi<(mc6845_tile_height);yi++) + { + for(xi=0;xi<8;xi++) + { + gfx_offset = ((x+(y*x_size)) + mc6845_start_addr) & 0x7ff; + gfx_offset+= ((yi >> m_scrn_reg.v400_mode) * 0x800) & 0x3fff; + pen_b = (m_gfx_bitmap_ram[gfx_offset+0x0000+plane*0xc000]>>(7-xi)) & 1; + pen_r = (m_gfx_bitmap_ram[gfx_offset+0x4000+plane*0xc000]>>(7-xi)) & 1; + pen_g = (m_gfx_bitmap_ram[gfx_offset+0x8000+plane*0xc000]>>(7-xi)) & 1; + + color = (pen_g<<2 | pen_r<<1 | pen_b<<0) | 8; + + pri_mask_val = priority_mixer_pri(color); + if(pri_mask_val & pri) continue; + + if((color == 8 && m_scrn_reg.blackclip & 0x10) || (color == 9 && m_scrn_reg.blackclip & 0x20)) // bitmap color clip to black conditions + color = 0; + + if(y*(mc6845_tile_height)+yi < cliprect.min_y || y*(mc6845_tile_height)+yi > cliprect.max_y) // partial update TODO: optimize + continue; + + x1_draw_pixel(bitmap,y*(mc6845_tile_height)+yi,x*8+xi,color,0,0); + } + } + } + } +} + +UINT32 x1_state::screen_update_x1(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + bitmap.fill(rgb_t(0xff,0x00,0x00,0x00), cliprect); + + /* TODO: correct calculation thru mc6845 regs */ + m_xstart = ((mc6845_h_char_total - mc6845_h_sync_pos) * 8) / 2; + m_ystart = ((mc6845_v_char_total - mc6845_v_sync_pos) * 8) / 2; + +// popmessage("%d %d %d %d",mc6845_h_sync_pos,mc6845_v_sync_pos,mc6845_h_char_total,mc6845_v_char_total); + + draw_gfxbitmap(bitmap,cliprect,m_scrn_reg.disp_bank,m_scrn_reg.pri); + draw_fgtilemap(bitmap,cliprect); + draw_gfxbitmap(bitmap,cliprect,m_scrn_reg.disp_bank,m_scrn_reg.pri^0xff); + + return 0; +} + + +/************************************* + * + * Keyboard MCU simulation + * + *************************************/ + + +UINT16 x1_state::check_keyboard_press() +{ + static const char *const portnames[3] = { "key1","key2","key3" }; + int i,port_i,scancode; + UINT8 keymod = ioport("key_modifiers")->read() & 0x1f; + UINT32 pad = ioport("tenkey")->read(); + UINT32 f_key = ioport("f_keys")->read(); + scancode = 0; + + for(port_i=0;port_i<3;port_i++) + { + for(i=0;i<32;i++) + { + if((ioport(portnames[port_i])->read()>>i) & 1) + { + //key_flag = 1; + if(keymod & 0x02) // shift not pressed + { + if(scancode >= 0x41 && scancode < 0x5a) + scancode += 0x20; // lowercase + } + else + { + if(scancode >= 0x31 && scancode < 0x3a) + scancode -= 0x10; + if(scancode == 0x30) + { + scancode = 0x3d; + } + } + if((keymod & 0x10) == 0) // graph on + scancode |= 0x80; + + return scancode; + } + scancode++; + } + } + + // check numpad + scancode = 0x30; + for(i=0;i<10;i++) + { + if((pad >> i) & 0x01) + { + return scancode | 0x100; + } + scancode++; + } + + // check function keys + scancode = 0x71; + for(i=0;i<5;i++) + { + if((f_key >> i) & 0x01) + { + return (scancode + ((keymod & 0x02) ? 0 : 5)) | 0x100; + } + scancode++; + } + + return 0; +} + +UINT8 x1_state::check_keyboard_shift() +{ + UINT8 val = 0xe0; + /* + all of those are active low + x--- ---- TEN: Numpad, Function key, special input key + -x-- ---- KIN: Valid key + --x- ---- REP: Key repeat + ---x ---- GRAPH key ON + ---- x--- CAPS lock ON + ---- -x-- KANA lock ON + ---- --x- SHIFT ON + ---- ---x CTRL ON + */ + + val |= ioport("key_modifiers")->read() & 0x1f; + + if(check_keyboard_press() != 0) + val &= ~0x40; + + if(check_keyboard_press() & 0x100) //function keys + val &= ~0x80; + + return val; +} + +UINT8 x1_state::get_game_key(UINT8 port) +{ + // key status returned by sub CPU function 0xE3. + // in order from bit 7 to 0: + // port 0: Q,W,E,A,D,Z,X,C + // port 1: numpad 7,4,1,8,2,9,6,3 + // port 2: ESC,1,[-],[+],[*],TAB,SPC,RET ([] = numpad) + // bits are active high + UINT8 ret = 0; + + if (port == 0) + { + UINT32 key3 = ioport("key3")->read(); + if(key3 & 0x00020000) ret |= 0x80; // Q + if(key3 & 0x00800000) ret |= 0x40; // W + if(key3 & 0x00000020) ret |= 0x20; // E + if(key3 & 0x00000002) ret |= 0x10; // A + if(key3 & 0x00000010) ret |= 0x08; // D + if(key3 & 0x04000000) ret |= 0x04; // Z + if(key3 & 0x01000000) ret |= 0x02; // X + if(key3 & 0x00000008) ret |= 0x01; // C + } + else + if (port == 1) + { + UINT32 pad = ioport("tenkey")->read(); + if(pad & 0x00000080) ret |= 0x80; // Tenkey 7 + if(pad & 0x00000010) ret |= 0x40; // Tenkey 4 + if(pad & 0x00000002) ret |= 0x20; // Tenkey 1 + if(pad & 0x00000100) ret |= 0x10; // Tenkey 8 + if(pad & 0x00000004) ret |= 0x08; // Tenkey 2 + if(pad & 0x00000200) ret |= 0x04; // Tenkey 9 + if(pad & 0x00000040) ret |= 0x02; // Tenkey 6 + if(pad & 0x00000008) ret |= 0x01; // Tenkey 3 + } + else + if (port == 2) + { + UINT32 key1 = ioport("key1")->read(); + UINT32 key2 = ioport("key2")->read(); + UINT32 pad = ioport("tenkey")->read(); + if(key1 & 0x08000000) ret |= 0x80; // ESC + if(key2 & 0x00020000) ret |= 0x40; // 1 + if(pad & 0x00000400) ret |= 0x20; // Tenkey - + if(pad & 0x00000800) ret |= 0x10; // Tenkey + + if(pad & 0x00001000) ret |= 0x08; // Tenkey * + if(key1 & 0x00000200) ret |= 0x04; // TAB + if(key2 & 0x00000001) ret |= 0x02; // SPC + if(key1 & 0x00002000) ret |= 0x01; // RET + } + + return ret; +} + +READ8_MEMBER( x1_state::x1_sub_io_r ) +{ + UINT8 ret,bus_res; + + /* Looks like that the HW retains the latest data putted on the bus here, behaviour confirmed by Rally-X */ + if(m_sub_obf) + { + bus_res = m_sub_val[m_key_i]; + /* FIXME: likely to be different here. */ + m_key_i++; + if(m_key_i >= 2) + m_key_i = 0; + + return bus_res; + } + +#if 0 + if(key_flag == 1) + { + key_flag = 0; + return 0x82; //TODO: this is for shift/ctrl/kana lock etc. + } +#endif + + m_sub_cmd_length--; + m_sub_obf = (m_sub_cmd_length) ? 0x00 : 0x20; + + ret = m_sub_val[m_sub_val_ptr]; + + m_sub_val_ptr++; + if(m_sub_cmd_length <= 0) + m_sub_val_ptr = 0; + + return ret; +} + +void x1_state::cmt_command( UINT8 cmd ) +{ + // CMT deck control command (E9 xx) + // E9 00 - Eject + // E9 01 - Stop + // E9 02 - Play + // E9 03 - Fast Forward + // E9 04 - Rewind + // E9 05 - APSS Fast Forward + // E9 06 - APSS Rewind + // E9 0A - Record + /* + APSS is a Sharp invention and stands for Automatic Program Search System, it scans the tape for silent parts that are bigger than 4 seconds. + It's basically used for audio tapes in order to jump over the next/previous "track". + */ + m_cmt_current_cmd = cmd; + + if(m_cassette->get_image() == NULL) //avoid a crash if a disk game tries to access this + return; + + switch(cmd) + { + case 0x01: // Stop + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + m_cmt_test = 1; + popmessage("CMT: Stop"); + break; + case 0x02: // Play + m_cassette->change_state(CASSETTE_MOTOR_ENABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_PLAY,CASSETTE_MASK_UISTATE); + popmessage("CMT: Play"); + break; + case 0x03: // Fast Forward + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + popmessage("CMT: Fast Forward"); + break; + case 0x04: // Rewind + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + popmessage("CMT: Rewind"); + break; + case 0x05: // APSS Fast Forward + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + popmessage("CMT: APSS Fast Forward"); + break; + case 0x06: // APSS Rewind + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + popmessage("CMT: APSS Rewind"); + break; + case 0x0a: // Record + m_cassette->change_state(CASSETTE_MOTOR_ENABLED,CASSETTE_MASK_MOTOR); + m_cassette->change_state(CASSETTE_RECORD,CASSETTE_MASK_UISTATE); + popmessage("CMT: Record"); + break; + default: + logerror("Unimplemented or invalid CMT command (0x%02x)\n",cmd); + } + logerror("CMT: Command 0xe9-0x%02x received.\n",cmd); +} + +TIMER_DEVICE_CALLBACK_MEMBER(x1_state::x1_cmt_wind_timer) +{ + if(m_cassette->get_image() == NULL) //avoid a crash if a disk game tries to access this + return; + + switch(m_cmt_current_cmd) + { + case 0x03: + case 0x05: // Fast Forwarding tape + m_cassette->seek(1,SEEK_CUR); + if(m_cassette->get_position() >= m_cassette->get_length()) // at end? + cmt_command(0x01); // Stop tape + break; + case 0x04: + case 0x06: // Rewinding tape + m_cassette->seek(-1,SEEK_CUR); + if(m_cassette->get_position() <= 0) // at beginning? + cmt_command(0x01); // Stop tape + break; + } +} + +WRITE8_MEMBER( x1_state::x1_sub_io_w ) +{ + /* sub-routine at $10e sends to these sub-routines when a keyboard input is triggered: + $17a -> floppy + $094 -> ROM + $0c0 -> timer + $052 -> cmt + $0f5 -> reload sub-routine? */ + + if(m_sub_cmd == 0xe4) + { + m_key_irq_vector = data; + logerror("Key vector set to 0x%02x\n",data); + data = 0; + } + + if(m_sub_cmd == 0xe9) + { + cmt_command(data); + data = 0; + } + + if((data & 0xf0) == 0xd0) //reads here tv recording timer data. (Timer set (0xd0) / Timer readout (0xd8)) + { + /* + xx-- ---- mode + --xx xxxx interval + */ + m_sub_val[0] = 0; + /* + xxxx xxxx command code: + 00 timer disabled + 01 TV command + 10 interrupt + 11 Cassette deck + */ + m_sub_val[1] = 0; + /* + ---x xxxx minute + */ + m_sub_val[2] = 0; + /* + ---- xxxx hour + */ + m_sub_val[3] = 0; + /* + xxxx ---- month + ---- -xxx day of the week + */ + m_sub_val[4] = 0; + /* + --xx xxxx day + */ + m_sub_val[5] = 0; + m_sub_cmd_length = 6; + } + + switch(data) + { + case 0xe3: //game key obtaining + m_sub_cmd_length = 3; + m_sub_val[0] = get_game_key(0); + m_sub_val[1] = get_game_key(1); + m_sub_val[2] = get_game_key(2); + break; + case 0xe4: //irq vector setting + break; + //case 0xe5: //timer irq clear + // break; + case 0xe6: //key data readout + m_sub_val[0] = check_keyboard_shift() & 0xff; + m_sub_val[1] = check_keyboard_press() & 0xff; + m_sub_cmd_length = 2; + break; +// case 0xe7: // TV Control +// break; + case 0xe8: // TV Control read-out + m_sub_val[0] = m_sub_cmd; + m_sub_cmd_length = 1; + break; + case 0xe9: // CMT Control + break; + case 0xea: // CMT Control status + m_sub_val[0] = m_cmt_current_cmd; + m_sub_cmd_length = 1; + logerror("CMT: Command 0xEA received, returning 0x%02x.\n",m_sub_val[0]); + break; + case 0xeb: // CMT Tape status + // bit 0 = tape end (0=end of tape) + // bit 1 = tape inserted + // bit 2 = record status (1=OK, 0=write protect) + m_sub_val[0] = 0x05; + if(m_cassette->get_image() != NULL) + m_sub_val[0] |= 0x02; + m_sub_cmd_length = 1; + logerror("CMT: Command 0xEB received, returning 0x%02x.\n",m_sub_val[0]); + break; +// case 0xec: //set date +// break; + case 0xed: //get date + m_sub_val[0] = m_rtc.day; + m_sub_val[1] = (m_rtc.month<<4) | (m_rtc.wday & 0xf); + m_sub_val[2] = m_rtc.year; + m_sub_cmd_length = 3; + break; +// case 0xee: //set time +// break; + case 0xef: //get time + m_sub_val[0] = m_rtc.hour; + m_sub_val[1] = m_rtc.min; + m_sub_val[2] = m_rtc.sec; + m_sub_cmd_length = 3; + break; + } + + m_sub_cmd = data; + + m_sub_obf = (m_sub_cmd_length) ? 0x00 : 0x20; + + if(data != 0xe6) + logerror("SUB: Command byte 0x%02x\n",data); +} + +/************************************* + * + * ROM Image / Banking Handling + * + *************************************/ + + +READ8_MEMBER( x1_state::x1_rom_r ) +{ +// printf("%06x\n",m_rom_index[0]<<16|m_rom_index[1]<<8|m_rom_index[2]<<0); + if (m_cart->exists()) + return m_cart->read_rom(space, (m_rom_index[0] << 16) | (m_rom_index[1] << 8) | (m_rom_index[2] << 0)); + else + return 0; +} + +WRITE8_MEMBER( x1_state::x1_rom_w ) +{ + m_rom_index[offset] = data; +} + +WRITE8_MEMBER( x1_state::x1_rom_bank_0_w ) +{ + m_ram_bank = 0x10; +} + +WRITE8_MEMBER( x1_state::x1_rom_bank_1_w ) +{ + m_ram_bank = 0x00; +} + +/************************************* + * + * MB8877A FDC (wd17XX compatible) + * + *************************************/ + +READ8_MEMBER( x1_state::x1_fdc_r ) +{ + //UINT8 ret = 0; + + switch(offset+0xff8) + { + case 0x0ff8: + return m_fdc->status_r(space, offset); + case 0x0ff9: + return m_fdc->track_r(space, offset); + case 0x0ffa: + return m_fdc->sector_r(space, offset); + case 0x0ffb: + return m_fdc->data_r(space, offset); + case 0x0ffc: + printf("FDC: read FM type\n"); + return 0xff; + case 0x0ffd: + printf("FDC: read MFM type\n"); + return 0xff; + case 0x0ffe: + printf("FDC: read 1.6M type\n"); + return 0xff; + case 0x0fff: + printf("FDC: switching between 500k/1M\n"); + return 0xff; + } + + return 0x00; +} + +WRITE8_MEMBER( x1_state::x1_fdc_w ) +{ + floppy_image_device *floppy = NULL; + + switch(offset+0xff8) + { + case 0x0ff8: + m_fdc->cmd_w(space, offset,data); + break; + case 0x0ff9: + m_fdc->track_w(space, offset,data); + break; + case 0x0ffa: + m_fdc->sector_w(space, offset,data); + break; + case 0x0ffb: + m_fdc->data_w(space, offset,data); + break; + + case 0x0ffc: + switch (data & 0x03) + { + case 0: floppy = m_floppy0->get_device(); break; + case 1: floppy = m_floppy1->get_device(); break; + case 2: floppy = m_floppy2->get_device(); break; + case 3: floppy = m_floppy3->get_device(); break; + } + + m_fdc->set_floppy(floppy); + + if (floppy) + { + floppy->ss_w(BIT(data, 4)); + floppy->mon_w(!BIT(data, 7)); + } + break; + + case 0x0ffd: + case 0x0ffe: + case 0x0fff: + logerror("FDC: undefined write to %04x = %02x\n",offset+0xff8,data); + break; + } +} + +WRITE_LINE_MEMBER(x1_state::fdc_drq_w) +{ + m_dma->rdy_w(state ^ 1); +} + +/************************************* + * + * Programmable Character Generator + * + *************************************/ + +UINT16 x1_state::check_pcg_addr() +{ + if(m_avram[0x7ff] & 0x20) return 0x7ff; + if(m_avram[0x3ff] & 0x20) return 0x3ff; + if(m_avram[0x5ff] & 0x20) return 0x5ff; + if(m_avram[0x1ff] & 0x20) return 0x1ff; + + return 0x3ff; +} + +UINT16 x1_state::check_chr_addr() +{ + if(!(m_avram[0x7ff] & 0x20)) return 0x7ff; + if(!(m_avram[0x3ff] & 0x20)) return 0x3ff; + if(!(m_avram[0x5ff] & 0x20)) return 0x5ff; + if(!(m_avram[0x1ff] & 0x20)) return 0x1ff; + + return 0x3ff; +} + +UINT16 x1_state::get_pcg_addr( UINT16 width, UINT8 y_char_size ) +{ + int hbeam = machine().first_screen()->hpos() >> 3; + int vbeam = machine().first_screen()->vpos() / y_char_size; + UINT16 pcg_offset = ((hbeam + vbeam*width) + (((m_crtc_vreg[0x0c]<<8) & 0x3f00) | (m_crtc_vreg[0x0d] & 0xff))) & 0x7ff; + + //printf("%08x %d %d %d %d\n",(hbeam+vbeam*width),hbeam,vbeam,machine.first_screen()->vpos() & 7,width); + + return pcg_offset; +} + +READ8_MEMBER( x1_state::x1_pcg_r ) +{ + int addr; + int pcg_offset; + UINT8 res; + UINT8 *gfx_data; + + addr = (offset & 0x300) >> 8; + + if(addr == 0 && m_scrn_reg.pcg_mode) // Kanji ROM read, X1Turbo only + { + gfx_data = m_kanji_rom; + pcg_offset = (m_tvram[check_chr_addr()]+(m_kvram[check_chr_addr()]<<8)) & 0xfff; + pcg_offset*=0x20; + pcg_offset+=(offset & 0x0f); + pcg_offset+=(m_kvram[check_chr_addr()] & 0x40) >> 2; //left-right check + + res = gfx_data[pcg_offset]; + } + else + { + UINT8 y_char_size; + + /* addr == 0 reads from the ANK rom */ + gfx_data = addr == 0 ? m_cg_rom : m_pcg_ram; + y_char_size = ((m_crtc_vreg[9]+1) > 8) ? 8 : m_crtc_vreg[9]+1; + if(y_char_size == 0) { y_char_size = 1; } + pcg_offset = m_tvram[get_pcg_addr(m_crtc_vreg[1], y_char_size)]*8; + pcg_offset+= machine().first_screen()->vpos() & (y_char_size-1); + if(addr) { pcg_offset+= ((addr-1)*0x800); } + res = gfx_data[pcg_offset]; + } + + return res; +} + +WRITE8_MEMBER( x1_state::x1_pcg_w ) +{ + int addr,pcg_offset; + + addr = (offset & 0x300) >> 8; + + if(addr == 0) + { + /* NOP */ + logerror("Warning: write to the ANK area! %04x %02x\n",offset,data); + } + else + { + if(m_scrn_reg.pcg_mode) // Hi-Speed Mode, X1Turbo only + { + pcg_offset = m_tvram[check_pcg_addr()]*8; + pcg_offset+= (offset & 0xe) >> 1; + pcg_offset+=((addr-1)*0x800); + m_pcg_ram[pcg_offset] = data; + + pcg_offset &= 0x7ff; + + m_gfxdecode->gfx(3)->mark_dirty(pcg_offset >> 3); + } + else // Compatible Mode + { + UINT8 y_char_size; + + /* TODO: Brain Breaker doesn't work with this arrangement in high resolution mode, check out why */ + y_char_size = (m_crtc_vreg[9]+1) > 8 ? (m_crtc_vreg[9]+1)-8 : m_crtc_vreg[9]+1; + if(y_char_size == 0) { y_char_size = 1; } + pcg_offset = m_tvram[get_pcg_addr(m_crtc_vreg[1], y_char_size)]*8; + pcg_offset+= machine().first_screen()->vpos() & (y_char_size-1); + pcg_offset+= ((addr-1)*0x800); + + m_pcg_ram[pcg_offset] = data; + + pcg_offset &= 0x7ff; + + m_gfxdecode->gfx(3)->mark_dirty(pcg_offset >> 3); + } + } +} + +/************************************* + * + * Other Video-related functions + * + *************************************/ + +/* for bitmap mode */ +void x1_state::set_current_palette() +{ + UINT8 addr,r,g,b; + + for(addr=0;addr<8;addr++) + { + r = ((m_x_r)>>(addr)) & 1; + g = ((m_x_g)>>(addr)) & 1; + b = ((m_x_b)>>(addr)) & 1; + + m_palette->set_pen_color(addr|8, pal1bit(r), pal1bit(g), pal1bit(b)); + } +} + +WRITE8_MEMBER( x1_state::x1turboz_4096_palette_w ) +{ + UINT32 pal_entry; + UINT8 r,g,b; + + pal_entry = ((offset & 0xff) << 4) | ((data & 0xf0) >> 4); + + m_pal_4096[pal_entry+((offset & 0x300)<<4)] = data & 0xf; + + r = m_pal_4096[pal_entry+(1<<12)]; + g = m_pal_4096[pal_entry+(2<<12)]; + b = m_pal_4096[pal_entry+(0<<12)]; + + m_palette->set_pen_color(pal_entry+16, pal3bit(r), pal3bit(g), pal3bit(b)); +} + +/* Note: docs claims that reading the palette ports makes the value to change somehow in X1 mode ... + In 4096 color mode, it's used for reading the value back. */ +WRITE8_MEMBER( x1_state::x1_pal_r_w ) +{ + if(m_turbo_reg.pal & 0x80) //AEN bit, Turbo Z + { + if(m_turbo_reg.gfx_pal & 0x80) //APEN bit + x1turboz_4096_palette_w(space,offset & 0x3ff,data); + } + else //compatible mode + { + m_x_r = data; + set_current_palette(); + //if(m_old_vpos != machine().first_screen()->vpos()) + //{ + // machine().first_screen()->update_partial(machine().first_screen()->vpos()); + // m_old_vpos = machine().first_screen()->vpos(); + //} + } +} + +WRITE8_MEMBER( x1_state::x1_pal_g_w ) +{ + if(m_turbo_reg.pal & 0x80) //AEN bit, Turbo Z + { + if(m_turbo_reg.gfx_pal & 0x80) //APEN bit + x1turboz_4096_palette_w(space,offset & 0x3ff,data); + } + else + { + m_x_g = data; + set_current_palette(); + //if(m_old_vpos != machine().first_screen()->vpos()) + //{ + machine().first_screen()->update_partial(machine().first_screen()->vpos()); + // m_old_vpos = machine().first_screen()->vpos(); + //} + } +} + +WRITE8_MEMBER( x1_state::x1_pal_b_w ) +{ + if(m_turbo_reg.pal & 0x80) //AEN bit, Turbo Z + { + if(m_turbo_reg.gfx_pal & 0x80) //APEN bit + x1turboz_4096_palette_w(space,offset & 0x3ff,data); + } + else + { + m_x_b = data; + set_current_palette(); + //if(m_old_vpos != machine().first_screen()->vpos()) + //{ + // machine().first_screen()->update_partial(machine().first_screen()->vpos()); + // m_old_vpos = machine().first_screen()->vpos(); + //} + } +} + +WRITE8_MEMBER( x1_state::x1_ex_gfxram_w ) +{ + UINT8 ex_mask; + + if ( offset <= 0x3fff) { ex_mask = 7; } + else if(offset >= 0x4000 && offset <= 0x7fff) { ex_mask = 6; } + else if(offset >= 0x8000 && offset <= 0xbfff) { ex_mask = 5; } + else { ex_mask = 3; } + + if(ex_mask & 1) { m_gfx_bitmap_ram[(offset & 0x3fff)+0x0000+(m_scrn_reg.gfx_bank*0xc000)] = data; } + if(ex_mask & 2) { m_gfx_bitmap_ram[(offset & 0x3fff)+0x4000+(m_scrn_reg.gfx_bank*0xc000)] = data; } + if(ex_mask & 4) { m_gfx_bitmap_ram[(offset & 0x3fff)+0x8000+(m_scrn_reg.gfx_bank*0xc000)] = data; } +} + +/* + SCRN flags + + d0(01) = 0:low resolution (15KHz) 1: high resolution (24KHz) + d1(02) = 0:1 raster / pixel 1:2 raster / pixel + d2(04) = 0:8 rasters / CHR 1:16 rasters / CHR + d3(08) = 0:bank 0 0:bank 1 <- display + d4(10) = 0:bank 0 0:bank 1 <- access + d5(20) = 0:compatibility 1:high speed <- define PCG mode + d6(40) = 0:8-raster graphics 1:16-raster graphics + d7(80) = 0:don't display 1:display <- underline (when 1, graphics are not displayed) +*/ +WRITE8_MEMBER( x1_state::x1_scrn_w ) +{ + m_scrn_reg.pcg_mode = BIT(data, 5); + m_scrn_reg.gfx_bank = BIT(data, 4); + m_scrn_reg.disp_bank = BIT(data, 3); + m_scrn_reg.ank_sel = BIT(data, 2); + m_scrn_reg.v400_mode = ((data & 0x03) == 3) ? 1 : 0; + + if(data & 0x80) + printf("SCRN = %02x\n",data & 0x80); + if((data & 0x03) == 1) + printf("SCRN sets true 400 lines mode\n"); +} + +WRITE8_MEMBER( x1_state::x1_pri_w ) +{ + m_scrn_reg.pri = data; +// printf("PRI = %02x\n",data); +} + +WRITE8_MEMBER( x1_state::x1_6845_w ) +{ + if(offset == 0) + { + m_crtc_index = data & 31; + machine().device<mc6845_device>("crtc")->address_w(space, offset, data); + } + else + { + m_crtc_vreg[m_crtc_index] = data; + machine().device<mc6845_device>("crtc")->register_w(space, offset, data); + } +} + +READ8_MEMBER( x1_state::x1turboz_blackclip_r ) +{ + /* TODO: this returns only on x1turboz */ + return m_scrn_reg.blackclip; +} + +WRITE8_MEMBER( x1_state::x1turbo_blackclip_w ) +{ + /* + -x-- ---- replace blanking duration with black + --x- ---- replace bitmap palette 1 with black + ---x ---- replace bitmap palette 0 with black + ---- x--- enable text blackclip + ---- -xxx palette color number for text black + */ + m_scrn_reg.blackclip = data; + if(data & 0x40) + printf("Blackclip data access %02x\n",data); +} + +READ8_MEMBER( x1_state::x1turbo_pal_r ) +{ + return m_turbo_reg.pal; +} + +READ8_MEMBER( x1_state::x1turbo_txpal_r ) +{ + return m_turbo_reg.txt_pal[offset]; +} + +READ8_MEMBER( x1_state::x1turbo_txdisp_r ) +{ + return m_turbo_reg.txt_disp; +} + +READ8_MEMBER( x1_state::x1turbo_gfxpal_r ) +{ + return m_turbo_reg.gfx_pal; +} + +WRITE8_MEMBER( x1_state::x1turbo_pal_w ) +{ + printf("TURBO PAL %02x\n",data); + m_turbo_reg.pal = data; +} + +WRITE8_MEMBER( x1_state::x1turbo_txpal_w ) +{ + int r,g,b; + + printf("TURBO TEXT PAL %02x %02x\n",data,offset); + m_turbo_reg.txt_pal[offset] = data; + + if(m_turbo_reg.pal & 0x80) + { + r = (data & 0x0c) >> 2; + g = (data & 0x30) >> 4; + b = (data & 0x03) >> 0; + + m_palette->set_pen_color(offset, pal2bit(r), pal2bit(g), pal2bit(b)); + } +} + +WRITE8_MEMBER( x1_state::x1turbo_txdisp_w ) +{ + printf("TURBO TEXT DISPLAY %02x\n",data); + m_turbo_reg.txt_disp = data; +} + +WRITE8_MEMBER( x1_state::x1turbo_gfxpal_w ) +{ + printf("TURBO GFX PAL %02x\n",data); + m_turbo_reg.gfx_pal = data; +} + + +/* + * FIXME: bit-wise this doesn't make any sense, I guess that it uses the lv 2 kanji roms + * Test cases for this port so far are Hyper Olympics '84 disk version and Might & Magic. + */ +UINT16 x1_state::jis_convert(int kanji_addr) +{ + if(kanji_addr >= 0x0e00 && kanji_addr <= 0x0e9f) { kanji_addr -= 0x0e00; kanji_addr &= 0x0ff; return ((0x0e0) + (kanji_addr >> 3)) << 4; } // numbers + if(kanji_addr >= 0x0f00 && kanji_addr <= 0x109f) { kanji_addr -= 0x0f00; kanji_addr &= 0x1ff; return ((0x4c0) + (kanji_addr >> 3)) << 4; } // lower case chars + if(kanji_addr >= 0x1100 && kanji_addr <= 0x129f) { kanji_addr -= 0x1100; kanji_addr &= 0x1ff; return ((0x2c0) + (kanji_addr >> 3)) << 4; } // upper case chars + if(kanji_addr >= 0x0100 && kanji_addr <= 0x01ff) { kanji_addr -= 0x0100; kanji_addr &= 0x0ff; return ((0x040) + (kanji_addr >> 3)) << 4; } // grammar symbols + if(kanji_addr >= 0x0500 && kanji_addr <= 0x06ff) { kanji_addr -= 0x0500; kanji_addr &= 0x1ff; return ((0x240) + (kanji_addr >> 3)) << 4; } // math symbols + if(kanji_addr >= 0x0300 && kanji_addr <= 0x04ff) { kanji_addr -= 0x0300; kanji_addr &= 0x1ff; return ((0x440) + (kanji_addr >> 3)) << 4; } // parentesis + + if(kanji_addr != 0x0720 && kanji_addr != 0x0730) + printf("%08x\n",kanji_addr); + + return 0x0000; +} + +READ8_MEMBER( x1_state::x1_kanji_r ) +{ + UINT8 res; + + res = m_kanji_rom[jis_convert(m_kanji_addr & 0xfff0)+(offset*0x10)+(m_kanji_addr & 0xf)]; + + if(offset == 1) + m_kanji_addr_latch++; + + return res; +} + +WRITE8_MEMBER( x1_state::x1_kanji_w ) +{ +// if(offset < 2) + + switch(offset) + { + case 0: m_kanji_addr_latch = (data & 0xff)|(m_kanji_addr_latch&0xff00); break; + case 1: m_kanji_addr_latch = (data<<8)|(m_kanji_addr_latch&0x00ff); + //if(m_kanji_addr_latch != 0x720 && m_kanji_addr_latch != 0x730) + // printf("%08x\n",m_kanji_addr_latch); + break; + case 2: + { + /* 0 -> selects Expanded EEPROM */ + /* 1 -> selects Kanji ROM */ + /* 0 -> 1 -> latches Kanji ROM data */ + + if(((m_kanji_eksel & 1) == 0) && ((data & 1) == 1)) + { + m_kanji_addr = (m_kanji_addr_latch); + //m_kanji_addr &= 0x3fff; //<- temp kludge until the rom is redumped. + //printf("%08x\n",m_kanji_addr); + //m_kanji_addr+= m_kanji_count; + } + m_kanji_eksel = data & 1; + } + break; + } +} + +READ8_MEMBER( x1_state::x1_emm_r ) +{ + UINT8 res; + + if(offset & ~3) + { + printf("Warning: read EMM BASIC area [%02x]\n",offset & 0xff); + return 0xff; + } + + if(offset != 3) + printf("Warning: read EMM address [%02x]\n",offset); + + res = 0xff; + + if(offset == 3) + { + res = m_emm_ram[m_emm_addr]; + m_emm_addr++; + } + + return res; +} + +WRITE8_MEMBER( x1_state::x1_emm_w ) +{ + if(offset & ~3) + { + printf("Warning: write EMM BASIC area [%02x] %02x\n",offset & 0xff,data); + return; + } + + switch(offset) + { + case 0: m_emm_addr = (m_emm_addr & 0xffff00) | (data & 0xff); break; + case 1: m_emm_addr = (m_emm_addr & 0xff00ff) | (data << 8); break; + case 2: m_emm_addr = (m_emm_addr & 0x00ffff) | (data << 16); break; //TODO: this has a max size limit, check exactly how much + case 3: + m_emm_ram[m_emm_addr] = data; + m_emm_addr++; + break; + } +} + +/* + CZ-141SF, CZ-127MF, X1turboZII, X1turboZ3 boards +*/ +READ8_MEMBER( x1_state::x1turbo_bank_r ) +{ +// printf("BANK access read\n"); + return m_ex_bank & 0x3f; +} + +WRITE8_MEMBER( x1_state::x1turbo_bank_w ) +{ + //UINT8 *RAM = memregion("x1_cpu")->base(); + /* + --x- ---- BML5: latch bit (doesn't have any real function) + ---x ---- BMCS: select bank RAM, active low + ---- xxxx BMNO: Bank memory ID + */ + + m_ex_bank = data & 0x3f; +// printf("BANK access write %02x\n",data); +} + +/* TODO: waitstate penalties */ +READ8_MEMBER( x1_state::x1_mem_r ) +{ + if((offset & 0x8000) == 0 && (m_ram_bank == 0)) + { + return m_ipl_rom[offset]; //ROM + } + + return m_work_ram[offset]; //RAM +} + +WRITE8_MEMBER( x1_state::x1_mem_w ) +{ + m_work_ram[offset] = data; //RAM +} + +READ8_MEMBER( x1_state::x1turbo_mem_r ) +{ + if((m_ex_bank & 0x10) == 0) + return m_work_ram[offset+((m_ex_bank & 0xf)*0x10000)]; + + return x1_mem_r(space,offset); +} + +WRITE8_MEMBER( x1_state::x1turbo_mem_w ) +{ + if((m_ex_bank & 0x10) == 0) + m_work_ram[offset+((m_ex_bank & 0xf)*0x10000)] = data; //RAM + else + x1_mem_w(space,offset,data); +} + +/************************************* + * + * Memory maps + * + *************************************/ + +READ8_MEMBER( x1_state::x1_io_r ) +{ + m_io_bank_mode = 0; //any read disables the extended mode. + + if(offset == 0x0e03) { return x1_rom_r(space, 0); } + // TODO: user could install ym2151 on plain X1 too + //0x700, 0x701 + //if(offset >= 0x0704 && offset <= 0x0707) { return z80ctc_r(m_ctc, offset-0x0704); } + else if(offset >= 0x0ff8 && offset <= 0x0fff) { return x1_fdc_r(space, offset-0xff8); } + else if(offset >= 0x1400 && offset <= 0x17ff) { return x1_pcg_r(space, offset-0x1400); } + else if(offset >= 0x1900 && offset <= 0x19ff) { return x1_sub_io_r(space, 0); } + else if(offset >= 0x1a00 && offset <= 0x1aff) { return machine().device<i8255_device>("ppi8255_0")->read(space, (offset-0x1a00) & 3); } + else if(offset >= 0x1b00 && offset <= 0x1bff) { return machine().device<ay8910_device>("ay")->data_r(space, 0); } +// else if(offset >= 0x1f80 && offset <= 0x1f8f) { return z80dma_r(machine().device("dma"), 0); } +// else if(offset >= 0x1f90 && offset <= 0x1f91) { return z80sio_c_r(machine().device("sio"), (offset-0x1f90) & 1); } +// else if(offset >= 0x1f92 && offset <= 0x1f93) { return z80sio_d_r(machine().device("sio"), (offset-0x1f92) & 1); } + else if(offset >= 0x1fa0 && offset <= 0x1fa3) { return m_ctc->read(space,offset-0x1fa0); } + else if(offset >= 0x1fa8 && offset <= 0x1fab) { return m_ctc->read(space,offset-0x1fa8); } +// else if(offset >= 0x1fd0 && offset <= 0x1fdf) { return x1_scrn_r(space,offset-0x1fd0); } +// else if(offset == 0x1fe0) { return x1turboz_blackclip_r(space,0); } + else if(offset >= 0x2000 && offset <= 0x2fff) { return m_avram[offset & 0x7ff]; } + else if(offset >= 0x3000 && offset <= 0x3fff) { return m_tvram[offset & 0x7ff]; } // Ys checks if it's a x1/x1turbo machine by checking if this area is a mirror + else if(offset >= 0x4000 && offset <= 0xffff) { return m_gfx_bitmap_ram[offset-0x4000+(m_scrn_reg.gfx_bank*0xc000)]; } + else + { + //logerror("(PC=%06x) Read i/o address %04x\n",space.device().safe_pc(),offset); + } + return 0xff; +} + +WRITE8_MEMBER( x1_state::x1_io_w ) +{ + if(m_io_bank_mode == 1) { x1_ex_gfxram_w(space, offset, data); } + // TODO: user could install ym2151 on plain X1 too + //0x700, 0x701 +// else if(offset >= 0x0704 && offset <= 0x0707) { z80ctc_w(m_ctc, offset-0x0704,data); } +// else if(offset >= 0x0c00 && offset <= 0x0cff) { x1_rs232c_w(machine(), 0, data); } + else if(offset >= 0x0e00 && offset <= 0x0e02) { x1_rom_w(space, offset-0xe00,data); } +// else if(offset >= 0x0e80 && offset <= 0x0e82) { x1_kanji_w(machine(), offset-0xe80,data); } + else if(offset >= 0x0ff8 && offset <= 0x0fff) { x1_fdc_w(space, offset-0xff8,data); } + else if(offset >= 0x1000 && offset <= 0x10ff) { x1_pal_b_w(space, 0,data); } + else if(offset >= 0x1100 && offset <= 0x11ff) { x1_pal_r_w(space, 0,data); } + else if(offset >= 0x1200 && offset <= 0x12ff) { x1_pal_g_w(space, 0,data); } + else if(offset >= 0x1300 && offset <= 0x13ff) { x1_pri_w(space, 0,data); } + else if(offset >= 0x1400 && offset <= 0x17ff) { x1_pcg_w(space, offset-0x1400,data); } + else if(offset == 0x1800 || offset == 0x1801) { x1_6845_w(space, offset-0x1800, data); } + else if(offset >= 0x1900 && offset <= 0x19ff) { x1_sub_io_w(space, 0,data); } + else if(offset >= 0x1a00 && offset <= 0x1aff) { machine().device<i8255_device>("ppi8255_0")->write(space, (offset-0x1a00) & 3,data); } + else if(offset >= 0x1b00 && offset <= 0x1bff) { machine().device<ay8910_device>("ay")->data_w(space, 0,data); } + else if(offset >= 0x1c00 && offset <= 0x1cff) { machine().device<ay8910_device>("ay")->address_w(space, 0,data); } + else if(offset >= 0x1d00 && offset <= 0x1dff) { x1_rom_bank_1_w(space,0,data); } + else if(offset >= 0x1e00 && offset <= 0x1eff) { x1_rom_bank_0_w(space,0,data); } +// else if(offset >= 0x1f80 && offset <= 0x1f8f) { z80dma_w(machine().device("dma"), 0,data); } +// else if(offset >= 0x1f90 && offset <= 0x1f91) { z80sio_c_w(machine().device("sio"), (offset-0x1f90) & 1,data); } +// else if(offset >= 0x1f92 && offset <= 0x1f93) { z80sio_d_w(machine().device("sio"), (offset-0x1f92) & 1,data); } + else if(offset >= 0x1fa0 && offset <= 0x1fa3) { m_ctc->write(space,offset-0x1fa0,data); } + else if(offset >= 0x1fa8 && offset <= 0x1fab) { m_ctc->write(space,offset-0x1fa8,data); } +// else if(offset == 0x1fb0) { x1turbo_pal_w(space,0,data); } +// else if(offset >= 0x1fb9 && offset <= 0x1fbf) { x1turbo_txpal_w(space,offset-0x1fb9,data); } +// else if(offset == 0x1fc0) { x1turbo_txdisp_w(space,0,data); } +// else if(offset == 0x1fc5) { x1turbo_gfxpal_w(space,0,data); } +// else if(offset >= 0x1fd0 && offset <= 0x1fdf) { x1_scrn_w(space,0,data); } +// else if(offset == 0x1fe0) { x1turbo_blackclip_w(space,0,data); } + else if(offset >= 0x2000 && offset <= 0x2fff) { m_avram[offset & 0x7ff] = data; } + else if(offset >= 0x3000 && offset <= 0x3fff) { m_tvram[offset & 0x7ff] = data; } + else if(offset >= 0x4000 && offset <= 0xffff) { m_gfx_bitmap_ram[offset-0x4000+(m_scrn_reg.gfx_bank*0xc000)] = data; } + else + { + //logerror("(PC=%06x) Write %02x at i/o address %04x\n",space.device().safe_pc(),data,offset); + } +} + +/* TODO: I should actually simplify this, by just overwriting X1 Turbo specifics here, and call plain X1 functions otherwise */ +READ8_MEMBER( x1_state::x1turbo_io_r ) +{ + m_io_bank_mode = 0; //any read disables the extended mode. + + // a * at the end states devices used on plain X1 too + if(offset == 0x0700) { return (machine().device<ym2151_device>("ym")->read(space, offset-0x0700) & 0x7f) | (ioport("SOUND_SW")->read() & 0x80); } + else if(offset == 0x0701) { return machine().device<ym2151_device>("ym")->read(space, offset-0x0700); } + //0x704 is FM sound detection port on X1 turboZ + else if(offset >= 0x0704 && offset <= 0x0707) { return m_ctc->read(space,offset-0x0704); } + else if(offset == 0x0801) { printf("Color image board read\n"); return 0xff; } // * + else if(offset == 0x0803) { printf("Color image board 2 read\n"); return 0xff; } // * + else if(offset >= 0x0a00 && offset <= 0x0a07) { printf("Stereoscopic board read %04x\n",offset); return 0xff; } // * + else if(offset == 0x0b00) { return x1turbo_bank_r(space,0); } + else if(offset >= 0x0c00 && offset <= 0x0cff) { printf("RS-232C read %04x\n",offset); return 0; } // * + else if(offset >= 0x0d00 && offset <= 0x0dff) { return x1_emm_r(space,offset & 0xff); } // * + else if(offset == 0x0e03) { return x1_rom_r(space, 0); } + else if(offset >= 0x0e80 && offset <= 0x0e81) { return x1_kanji_r(space, offset-0xe80); } + else if(offset >= 0x0fd0 && offset <= 0x0fd3) { /* printf("SASI HDD read %04x\n",offset); */ return 0xff; } // * + else if(offset >= 0x0fe8 && offset <= 0x0fef) { printf("8-inch FD read %04x\n",offset); return 0xff; } // * + else if(offset >= 0x0ff8 && offset <= 0x0fff) { return x1_fdc_r(space, offset-0xff8); } + else if(offset >= 0x1400 && offset <= 0x17ff) { return x1_pcg_r(space, offset-0x1400); } + else if(offset >= 0x1900 && offset <= 0x19ff) { return x1_sub_io_r(space, 0); } + else if(offset >= 0x1a00 && offset <= 0x1aff) { return machine().device<i8255_device>("ppi8255_0")->read(space, (offset-0x1a00) & 3); } + else if(offset >= 0x1b00 && offset <= 0x1bff) { return machine().device<ay8910_device>("ay")->data_r(space, 0); } + else if(offset >= 0x1f80 && offset <= 0x1f8f) { return m_dma->read(space, 0); } + else if(offset >= 0x1f90 && offset <= 0x1f93) { return machine().device<z80sio0_device>("sio")->ba_cd_r(space, (offset-0x1f90) & 3); } + else if(offset >= 0x1f98 && offset <= 0x1f9f) { printf("Extended SIO/CTC read %04x\n",offset); return 0xff; } + else if(offset >= 0x1fa0 && offset <= 0x1fa3) { return m_ctc->read(space,offset-0x1fa0); } + else if(offset >= 0x1fa8 && offset <= 0x1fab) { return m_ctc->read(space,offset-0x1fa8); } + else if(offset == 0x1fb0) { return x1turbo_pal_r(space,0); } // Z only! + else if(offset >= 0x1fb8 && offset <= 0x1fbf) { return x1turbo_txpal_r(space,offset-0x1fb8); } //Z only! + else if(offset == 0x1fc0) { return x1turbo_txdisp_r(space,0); } // Z only! + else if(offset == 0x1fc5) { return x1turbo_gfxpal_r(space,0); } // Z only! +// else if(offset >= 0x1fd0 && offset <= 0x1fdf) { return x1_scrn_r(space,offset-0x1fd0); } //Z only + else if(offset == 0x1fe0) { return x1turboz_blackclip_r(space,0); } + else if(offset == 0x1ff0) { return ioport("X1TURBO_DSW")->read(); } + else if(offset >= 0x2000 && offset <= 0x2fff) { return m_avram[offset & 0x7ff]; } + else if(offset >= 0x3000 && offset <= 0x37ff) { return m_tvram[offset & 0x7ff]; } + else if(offset >= 0x3800 && offset <= 0x3fff) { return m_kvram[offset & 0x7ff]; } + else if(offset >= 0x4000 && offset <= 0xffff) { return m_gfx_bitmap_ram[offset-0x4000+(m_scrn_reg.gfx_bank*0xc000)]; } + else + { + //logerror("(PC=%06x) Read i/o address %04x\n",space.device().safe_pc(),offset); + } + return 0xff; +} + +WRITE8_MEMBER( x1_state::x1turbo_io_w ) +{ + // a * at the end states devices used on plain X1 too + if(m_io_bank_mode == 1) { x1_ex_gfxram_w(space, offset, data); } + else if(offset == 0x0700 || offset == 0x0701) { machine().device<ym2151_device>("ym")->write(space, offset-0x0700,data); } + //0x704 is FM sound detection port on X1 turboZ + else if(offset >= 0x0704 && offset <= 0x0707) { m_ctc->write(space,offset-0x0704,data); } + else if(offset == 0x0800) { printf("Color image board write %02x\n",data); } // * + else if(offset == 0x0802) { printf("Color image board 2 write %02x\n",data); } // * + else if(offset >= 0x0a00 && offset <= 0x0a07) { printf("Stereoscopic board write %04x %02x\n",offset,data); } // * + else if(offset == 0x0b00) { x1turbo_bank_w(space,0,data); } + else if(offset >= 0x0c00 && offset <= 0x0cff) { printf("RS-232C write %04x %02x\n",offset,data); } // * + else if(offset >= 0x0d00 && offset <= 0x0dff) { x1_emm_w(space,offset & 0xff,data); } // * + else if(offset >= 0x0e00 && offset <= 0x0e02) { x1_rom_w(space, offset-0xe00,data); } + else if(offset >= 0x0e80 && offset <= 0x0e83) { x1_kanji_w(space, offset-0xe80,data); } + else if(offset >= 0x0fd0 && offset <= 0x0fd3) { printf("SASI HDD write %04x %02x\n",offset,data); } // * + else if(offset >= 0x0fe8 && offset <= 0x0fef) { printf("8-inch FD write %04x %02x\n",offset,data); } // * + else if(offset >= 0x0ff8 && offset <= 0x0fff) { x1_fdc_w(space, offset-0xff8,data); } + else if(offset >= 0x1000 && offset <= 0x10ff) { x1_pal_b_w(space, offset & 0x3ff,data); } + else if(offset >= 0x1100 && offset <= 0x11ff) { x1_pal_r_w(space, offset & 0x3ff,data); } + else if(offset >= 0x1200 && offset <= 0x12ff) { x1_pal_g_w(space, offset & 0x3ff,data); } + else if(offset >= 0x1300 && offset <= 0x13ff) { x1_pri_w(space, 0,data); } + else if(offset >= 0x1400 && offset <= 0x17ff) { x1_pcg_w(space, offset-0x1400,data); } + else if(offset == 0x1800 || offset == 0x1801) { x1_6845_w(space, offset-0x1800, data); } + else if(offset >= 0x1900 && offset <= 0x19ff) { x1_sub_io_w(space, 0,data); } + else if(offset >= 0x1a00 && offset <= 0x1aff) { machine().device<i8255_device>("ppi8255_0")->write(space, (offset-0x1a00) & 3,data); } + else if(offset >= 0x1b00 && offset <= 0x1bff) { machine().device<ay8910_device>("ay")->data_w(space, 0,data); } + else if(offset >= 0x1c00 && offset <= 0x1cff) { machine().device<ay8910_device>("ay")->address_w(space, 0,data); } + else if(offset >= 0x1d00 && offset <= 0x1dff) { x1_rom_bank_1_w(space,0,data); } + else if(offset >= 0x1e00 && offset <= 0x1eff) { x1_rom_bank_0_w(space,0,data); } + else if(offset >= 0x1f80 && offset <= 0x1f8f) { m_dma->write(space, 0,data); } + else if(offset >= 0x1f90 && offset <= 0x1f93) { machine().device<z80sio0_device>("sio")->ba_cd_w(space, (offset-0x1f90) & 3,data); } + else if(offset >= 0x1f98 && offset <= 0x1f9f) { printf("Extended SIO/CTC write %04x %02x\n",offset,data); } + else if(offset >= 0x1fa0 && offset <= 0x1fa3) { m_ctc->write(space,offset-0x1fa0,data); } + else if(offset >= 0x1fa8 && offset <= 0x1fab) { m_ctc->write(space,offset-0x1fa8,data); } + else if(offset == 0x1fb0) { x1turbo_pal_w(space,0,data); } // Z only! + else if(offset >= 0x1fb8 && offset <= 0x1fbf) { x1turbo_txpal_w(space,offset-0x1fb8,data); } //Z only! + else if(offset == 0x1fc0) { x1turbo_txdisp_w(space,0,data); } //Z only! + else if(offset == 0x1fc1) { printf("Z image capturing access %02x\n",data); } // Z only! + else if(offset == 0x1fc2) { printf("Z mosaic effect access %02x\n",data); } // Z only! + else if(offset == 0x1fc3) { printf("Z Chroma key access %02x\n",data); } // Z only! + else if(offset == 0x1fc4) { printf("Z Extra scroll config access %02x\n",data); } // Z only! + else if(offset == 0x1fc5) { x1turbo_gfxpal_w(space,0,data); } // Z only! + else if(offset >= 0x1fd0 && offset <= 0x1fdf) { x1_scrn_w(space,0,data); } + else if(offset == 0x1fe0) { x1turbo_blackclip_w(space,0,data); } + else if(offset >= 0x2000 && offset <= 0x2fff) { m_avram[offset & 0x7ff] = data; } + else if(offset >= 0x3000 && offset <= 0x37ff) { m_tvram[offset & 0x7ff] = data; } + else if(offset >= 0x3800 && offset <= 0x3fff) { m_kvram[offset & 0x7ff] = data; } + else if(offset >= 0x4000 && offset <= 0xffff) { m_gfx_bitmap_ram[offset-0x4000+(m_scrn_reg.gfx_bank*0xc000)] = data; } + else + { + //logerror("(PC=%06x) Write %02x at i/o address %04x\n",space.device().safe_pc(),data,offset); + } +} + +static ADDRESS_MAP_START( x1_mem, AS_PROGRAM, 8, x1_state ) + AM_RANGE(0x0000, 0xffff) AM_READWRITE(x1_mem_r,x1_mem_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( x1turbo_mem, AS_PROGRAM, 8, x1_state ) + AM_RANGE(0x0000, 0xffff) AM_READWRITE(x1turbo_mem_r,x1turbo_mem_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( x1_io, AS_IO, 8, x1_state ) + AM_RANGE(0x0000, 0xffff) AM_READWRITE(x1_io_r, x1_io_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( x1turbo_io, AS_IO, 8, x1_state ) + AM_RANGE(0x0000, 0xffff) AM_READWRITE(x1turbo_io_r, x1turbo_io_w) +ADDRESS_MAP_END + +/************************************* + * + * PPI8255 + * + *************************************/ + +READ8_MEMBER( x1_state::x1_porta_r ) +{ + printf("PPI Port A read\n"); + return 0xff; +} + +/* this port is system related */ +READ8_MEMBER( x1_state::x1_portb_r ) +{ + //printf("PPI Port B read\n"); + /* + x--- ---- "v disp" + -x-- ---- "sub cpu ibf" + --x- ---- "sub cpu obf" + ---x ---- ROM/RAM flag (0=ROM, 1=RAM) + ---- x--- "busy" <- allow printer data output + ---- -x-- "v sync" + ---- --x- "cmt read" + ---- ---x "cmt test" (active low) <- actually this is "Sub CPU detected BREAK" + */ + UINT8 res = 0; + int vblank_line = m_crtc_vreg[6] * (m_crtc_vreg[9]+1); + int vsync_line = m_crtc_vreg[7] * (m_crtc_vreg[9]+1); + m_vdisp = (machine().first_screen()->vpos() < vblank_line) ? 0x80 : 0x00; + m_vsync = (machine().first_screen()->vpos() < vsync_line) ? 0x00 : 0x04; + +// popmessage("%d",vsync_line); +// popmessage("%d",vblank_line); + + res = m_ram_bank | m_sub_obf | m_vsync | m_vdisp; + + if(m_cassette->input() > 0.03) + res |= 0x02; + +// if(cassette_get_state(m_cassette) & CASSETTE_MOTOR_DISABLED) +// res &= ~0x02; // is zero if not playing + + // CMT test bit is set low when the CMT Stop command is issued, and becomes + // high again when this bit is read. + res |= 0x01; + if(m_cmt_test != 0) + { + m_cmt_test = 0; + res &= ~0x01; + } + + return res; +} + +/* I/O system port */ +READ8_MEMBER( x1_state::x1_portc_r ) +{ + //printf("PPI Port C read\n"); + /* + x--- ---- Printer port output + -x-- ---- 320 mode (r/w), divider for the pixel clock + --x- ---- i/o mode (r/w) + ---x ---- smooth scroll enabled (?) + ---- ---x cassette output data + */ + return (m_io_sys & 0x9f) | m_hres_320 | ~m_io_switch; +} + +WRITE8_MEMBER( x1_state::x1_porta_w ) +{ + //printf("PPI Port A write %02x\n",data); +} + +WRITE8_MEMBER( x1_state::x1_portb_w ) +{ + //printf("PPI Port B write %02x\n",data); +} + +WRITE8_MEMBER( x1_state::x1_portc_w ) +{ + m_hres_320 = data & 0x40; + + /* set up the pixel clock according to the above divider */ + m_crtc->set_clock(VDP_CLOCK/((m_hres_320) ? 48 : 24)); + + if(!BIT(data, 5) && BIT(m_io_switch, 5)) + m_io_bank_mode = 1; + + m_io_switch = data & 0x20; + m_io_sys = data & 0xff; + + m_cassette->output(BIT(data, 0) ? +1.0 : -1.0); +} + +READ8_MEMBER(x1_state::memory_read_byte) +{ + address_space& prog_space = m_maincpu->space(AS_PROGRAM); + return prog_space.read_byte(offset); +} + +WRITE8_MEMBER(x1_state::memory_write_byte) +{ + address_space& prog_space = m_maincpu->space(AS_PROGRAM); + return prog_space.write_byte(offset, data); +} + +READ8_MEMBER(x1_state::io_read_byte) +{ + address_space& prog_space = m_maincpu->space(AS_IO); + return prog_space.read_byte(offset); +} + +WRITE8_MEMBER(x1_state::io_write_byte) +{ + address_space& prog_space = m_maincpu->space(AS_IO); + return prog_space.write_byte(offset, data); +} + +/************************************* + * + * Inputs + * + *************************************/ + +INPUT_CHANGED_MEMBER(x1_state::ipl_reset) +{ + m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE); + + m_ram_bank = 0x00; + if(m_is_turbo) { m_ex_bank = 0x10; } + //anything else? +} + +/* Apparently most games doesn't support this (not even the Konami ones!), one that does is...177 :o */ +INPUT_CHANGED_MEMBER(x1_state::nmi_reset) +{ + m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE); +} + +INPUT_PORTS_START( x1 ) + PORT_START("FP_SYS") //front panel buttons, hard-wired with the soft reset/NMI lines + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CHANGED_MEMBER(DEVICE_SELF, x1_state, ipl_reset,0) PORT_NAME("IPL reset") + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CHANGED_MEMBER(DEVICE_SELF, x1_state, nmi_reset,0) PORT_NAME("NMI reset") + + PORT_START("SOUND_SW") //FIXME: this is X1Turbo specific + PORT_DIPNAME( 0x80, 0x80, "OPM Sound Setting?" ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("IOSYS") //TODO: implement front-panel DIP-SW here + PORT_DIPNAME( 0x01, 0x01, "IOSYS" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, "Sound Setting?" ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("P1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("P2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START("key1") //0x00-0x1f + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_UNUSED) //0x00 null + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-2") /*PORT_CODE(KEYCODE_1) PORT_CHAR('1')*/ + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-3") /*PORT_CODE(KEYCODE_2) PORT_CHAR('2')*/ + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-4") /*PORT_CODE(KEYCODE_3) PORT_CHAR('3')*/ + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-5") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-6") /*PORT_CODE(KEYCODE_5) PORT_CHAR('5')*/ + PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-7") /*PORT_CODE(KEYCODE_6) PORT_CHAR('6')*/ + PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0-8") /*PORT_CODE(KEYCODE_7) PORT_CHAR('7')*/ + PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) + PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-3") /*PORT_CODE(KEYCODE_2) PORT_CHAR('2')*/ + PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-4") /*PORT_CODE(KEYCODE_3) PORT_CHAR('3')*/ + PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-5") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(27) + PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-7") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1-8") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-1") /*PORT_CODE(KEYCODE_1) PORT_CHAR('1')*/ + PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-2") /*PORT_CODE(KEYCODE_1) PORT_CHAR('1')*/ + PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-3") /*PORT_CODE(KEYCODE_2) PORT_CHAR('2')*/ + PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-4") /*PORT_CODE(KEYCODE_3) PORT_CHAR('3')*/ + PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-5") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-6") /*PORT_CODE(KEYCODE_5) PORT_CHAR('5')*/ + PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-7") /*PORT_CODE(KEYCODE_4) PORT_CHAR('4')*/ + PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2-8") /*PORT_CODE(KEYCODE_5) PORT_CHAR('5')*/ + PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-1") /*PORT_CODE(KEYCODE_1) PORT_CHAR('1')*/ + PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-2") /*PORT_CODE(KEYCODE_1) PORT_CHAR('1')*/ + PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3-3") /*PORT_CODE(KEYCODE_2) PORT_CHAR('2')*/ + PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) + PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) + PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) + PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) + + PORT_START("key2") //0x20-0x3f + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_UNUSED) //0x21 ! + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_UNUSED) //0x22 " + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_UNUSED) //0x23 # + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_UNUSED) //0x24 $ + PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_UNUSED) //0x25 % + PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_UNUSED) //0x26 & + PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_UNUSED) //0x27 ' + PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_UNUSED) //0x28 ( + PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_UNUSED) //0x29 ) + PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2a * + PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2b + + PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2c , + PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') + PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2e . + PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2f / + + PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') + PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') + PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') + PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') + PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') + PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') + PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') + PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') + PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') + PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') + PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3c < + PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3d = + PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3e > + PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3f ? + + PORT_START("key3") //0x40-0x5f + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') + PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') + PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') + PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') + PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') + PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') + PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') + PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') + PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') + PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') + PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') + PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') + PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') + PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') + PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') + PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') + PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED) + PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') + PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') + PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("_") + + PORT_START("f_keys") + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) + + PORT_START("tenkey") + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 0") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 2") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 8") PORT_CODE(KEYCODE_8_PAD) + PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey -") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey +") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey *") PORT_CODE(KEYCODE_ASTERISK) + // TODO: add other numpad keys + + PORT_START("key_modifiers") + PORT_BIT(0x00000001,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) + PORT_BIT(0x00000002,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) + PORT_BIT(0x00000004,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("KANA") PORT_CODE(KEYCODE_RCONTROL) + PORT_BIT(0x00000008,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE + PORT_BIT(0x00000010,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("GRPH") PORT_CODE(KEYCODE_LALT) + +#if 0 + PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') + PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') + PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') + PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey *") PORT_CODE(KEYCODE_ASTERISK) + PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey /") PORT_CODE(KEYCODE_SLASH_PAD) + PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey +") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey -") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 8") PORT_CODE(KEYCODE_8_PAD) + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey =") + PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\xEF\xBF\xA5") + + PORT_START("key3") + PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey ,") + PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 2") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey Enter") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey 0") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tenkey .") PORT_CODE(KEYCODE_DEL_PAD) + PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("INS") PORT_CODE(KEYCODE_INSERT) + PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("EL") PORT_CODE(KEYCODE_PGUP) + PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CLS") PORT_CODE(KEYCODE_PGDN) + PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) + PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("DUP") PORT_CODE(KEYCODE_END) + PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) + PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME) + PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) + PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) + PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) + PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_ESC) + PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PF6") PORT_CODE(KEYCODE_F6) + PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PF7") PORT_CODE(KEYCODE_F7) + PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PF8") PORT_CODE(KEYCODE_F8) + PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PF9") PORT_CODE(KEYCODE_F9) + PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("PF10") PORT_CODE(KEYCODE_F10) + +#endif +INPUT_PORTS_END + +INPUT_PORTS_START( x1turbo ) + PORT_INCLUDE( x1 ) + + PORT_START("X1TURBO_DSW") + PORT_DIPNAME( 0x01, 0x01, "Interlace mode" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x0e, 0x00, "Default Auto-boot Device" ) // this selects what kind of device is loaded at start-up + PORT_DIPSETTING( 0x00, "5/3-inch 2D" ) + PORT_DIPSETTING( 0x02, "5/3-inch 2DD" ) + PORT_DIPSETTING( 0x04, "5/3-inch 2HD" ) + PORT_DIPSETTING( 0x06, "5/3-inch 2DD (IBM)" ) + PORT_DIPSETTING( 0x08, "8-inch 2D256" ) + PORT_DIPSETTING( 0x0a, "8-inch 2D256 (IBM)" ) + PORT_DIPSETTING( 0x0c, "8-inch 1S128 (IBM)" ) + PORT_DIPSETTING( 0x0e, "SASI HDD" ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) //this is a port conditional of some sort ... + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +INPUT_PORTS_END + +/************************************* + * + * GFX decoding + * + *************************************/ + +static const gfx_layout x1_chars_8x8 = +{ + 8,8, + RGN_FRAC(1,1), + 1, + { 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +static const gfx_layout x1_chars_8x16 = +{ + 8,16, + RGN_FRAC(1,1), + 1, + { 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,8*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 }, + 8*16 +}; + +static const gfx_layout x1_chars_16x16 = +{ + 8,16, + RGN_FRAC(1,1), + 1, + { 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, + 8*16 +}; + +/* decoded for debugging purpose, this will be nuked in the end... */ +static GFXDECODE_START( x1 ) + GFXDECODE_ENTRY( "cgrom", 0x00000, x1_chars_8x8, 0, 1 ) + GFXDECODE_ENTRY( "font", 0x00000, x1_chars_8x16, 0, 1 ) + GFXDECODE_ENTRY( "kanji", 0x00000, x1_chars_16x16, 0, 1 ) +// GFXDECODE_ENTRY( "pcg", 0x00000, x1_pcg_8x8, 0, 1 ) +GFXDECODE_END + +static const z80_daisy_config x1_daisy[] = +{ + { "x1kb" }, + { "ctc" }, + { NULL } +}; + +static const z80_daisy_config x1turbo_daisy[] = +{ + { "x1kb" }, + { "ctc" }, + { "dma" }, + { "sio" }, + { NULL } +}; + +/************************************* + * + * Machine Functions + * + *************************************/ + +#ifdef UNUSED_FUNCTION +IRQ_CALLBACK_MEMBER(x1_state::x1_irq_callback) +{ + if(m_ctc_irq_flag != 0) + { + m_ctc_irq_flag = 0; + if(m_key_irq_flag == 0) // if no other devices are pulling the IRQ line high + device.execute().set_input_line(0, CLEAR_LINE); + return m_irq_vector; + } + if(m_key_irq_flag != 0) + { + m_key_irq_flag = 0; + if(m_ctc_irq_flag == 0) // if no other devices are pulling the IRQ line high + device.execute().set_input_line(0, CLEAR_LINE); + return m_key_irq_vector; + } + return m_irq_vector; +} +#endif + +TIMER_DEVICE_CALLBACK_MEMBER(x1_state::x1_keyboard_callback) +{ + address_space &space = m_maincpu->space(AS_PROGRAM); + UINT32 key1 = ioport("key1")->read(); + UINT32 key2 = ioport("key2")->read(); + UINT32 key3 = ioport("key3")->read(); + UINT32 key4 = ioport("tenkey")->read(); + UINT32 f_key = ioport("f_keys")->read(); + + if(m_key_irq_vector) + { + //if(key1 == 0 && key2 == 0 && key3 == 0 && key4 == 0 && f_key == 0) + // return; + + if((key1 != m_old_key1) || (key2 != m_old_key2) || (key3 != m_old_key3) || (key4 != m_old_key4) || (f_key != m_old_fkey)) + { + // generate keyboard IRQ + x1_sub_io_w(space,0,0xe6); + m_irq_vector = m_key_irq_vector; + m_key_irq_flag = 1; + m_maincpu->set_input_line(0,ASSERT_LINE); + m_old_key1 = key1; + m_old_key2 = key2; + m_old_key3 = key3; + m_old_key4 = key4; + m_old_fkey = f_key; + } + } +} + +TIMER_CALLBACK_MEMBER(x1_state::x1_rtc_increment) +{ + static const UINT8 dpm[12] = { 0x31, 0x28, 0x31, 0x30, 0x31, 0x30, 0x31, 0x31, 0x30, 0x31, 0x30, 0x31 }; + + m_rtc.sec++; + + if((m_rtc.sec & 0x0f) >= 0x0a) { m_rtc.sec+=0x10; m_rtc.sec&=0xf0; } + if((m_rtc.sec & 0xf0) >= 0x60) { m_rtc.min++; m_rtc.sec = 0; } + if((m_rtc.min & 0x0f) >= 0x0a) { m_rtc.min+=0x10; m_rtc.min&=0xf0; } + if((m_rtc.min & 0xf0) >= 0x60) { m_rtc.hour++; m_rtc.min = 0; } + if((m_rtc.hour & 0x0f) >= 0x0a) { m_rtc.hour+=0x10; m_rtc.hour&=0xf0; } + if((m_rtc.hour & 0xff) >= 0x24) { m_rtc.day++; m_rtc.wday++; m_rtc.hour = 0; } + if((m_rtc.wday & 0x0f) >= 0x07) { m_rtc.wday = 0; } + if((m_rtc.day & 0x0f) >= 0x0a) { m_rtc.day+=0x10; m_rtc.day&=0xf0; } + /* FIXME: very crude leap year support (i.e. it treats the RTC to be with a 2000-2099 timeline), dunno how the real x1 supports this, + maybe it just have a 1980-1999 timeline since year 0x00 shows as a XX on display */ + if(((m_rtc.year % 4) == 0) && m_rtc.month == 2) + { + if((m_rtc.day & 0xff) >= dpm[m_rtc.month-1]+1+1) + { m_rtc.month++; m_rtc.day = 0x01; } + } + else if((m_rtc.day & 0xff) >= dpm[m_rtc.month-1]+1){ m_rtc.month++; m_rtc.day = 0x01; } + if(m_rtc.month > 12) { m_rtc.year++; m_rtc.month = 0x01; } + if((m_rtc.year & 0x0f) >= 0x0a) { m_rtc.year+=0x10; m_rtc.year&=0xf0; } + if((m_rtc.year & 0xf0) >= 0xa0) { m_rtc.year = 0; } //roll over +} + +MACHINE_RESET_MEMBER(x1_state,x1) +{ + //UINT8 *ROM = memregion("x1_cpu")->base(); + int i; + + memset(m_gfx_bitmap_ram,0x00,0xc000*2); + + for(i=0;i<0x1800;i++) + { + m_pcg_ram[i] = 0; + m_gfxdecode->gfx(3)->mark_dirty(i >> 3); + } + + m_is_turbo = 0; + + m_io_bank_mode = 0; + + //m_x1_cpu->set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(x1_state::x1_irq_callback),this)); + + m_cmt_current_cmd = 0; + m_cmt_test = 0; + m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + + m_key_irq_flag = m_ctc_irq_flag = 0; + m_sub_cmd = 0; + m_key_irq_vector = 0; + m_sub_cmd_length = 0; + m_sub_val[0] = 0; + m_sub_val[1] = 0; + m_sub_val[2] = 0; + m_sub_val[3] = 0; + m_sub_val[4] = 0; + m_sub_obf = (m_sub_cmd_length) ? 0x00 : 0x20; + + m_rtc_timer->adjust(attotime::zero, 0, attotime::from_seconds(1)); + + /* Reinitialize palette here if there's a soft reset for the Turbo PAL stuff*/ + for(i=0;i<0x10;i++) + m_palette->set_pen_color(i, pal1bit(i >> 1), pal1bit(i >> 2), pal1bit(i >> 0)); + + m_ram_bank = 0; +// m_old_vpos = -1; +} + +MACHINE_RESET_MEMBER(x1_state,x1turbo) +{ + MACHINE_RESET_CALL_MEMBER( x1 ); + m_is_turbo = 1; + m_ex_bank = 0x10; + + m_scrn_reg.blackclip = 0; +} + +static const gfx_layout x1_pcg_8x8 = +{ + 8,8, + 0x100, + 3, + { 0x1000*8,0x800*8, 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +MACHINE_START_MEMBER(x1_state,x1) +{ + /* set up RTC */ + { + system_time systime; + machine().base_datetime(systime); + + m_rtc.day = ((systime.local_time.mday / 10)<<4) | ((systime.local_time.mday % 10) & 0xf); + m_rtc.month = ((systime.local_time.month+1)); + m_rtc.wday = ((systime.local_time.weekday % 10) & 0xf); + m_rtc.year = (((systime.local_time.year % 100)/10)<<4) | ((systime.local_time.year % 10) & 0xf); + m_rtc.hour = ((systime.local_time.hour / 10)<<4) | ((systime.local_time.hour % 10) & 0xf); + m_rtc.min = ((systime.local_time.minute / 10)<<4) | ((systime.local_time.minute % 10) & 0xf); + m_rtc.sec = ((systime.local_time.second / 10)<<4) | ((systime.local_time.second % 10) & 0xf); + + m_rtc_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(x1_state::x1_rtc_increment),this)); + } + + m_ipl_rom = memregion("ipl")->base(); + m_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000*0x10); + m_emm_ram = auto_alloc_array_clear(machine(), UINT8, 0x1000000); + m_pcg_ram = auto_alloc_array_clear(machine(), UINT8, 0x1800); + m_cg_rom = memregion("cgrom")->base(); + m_kanji_rom = memregion("kanji")->base(); + + save_pointer(NAME(m_work_ram), 0x10000*0x10); + save_pointer(NAME(m_emm_ram), 0x1000000); + save_pointer(NAME(m_pcg_ram), 0x1800); + + m_gfxdecode->set_gfx(3, global_alloc(gfx_element(m_palette, x1_pcg_8x8, (UINT8 *)m_pcg_ram, 0, 1, 0))); +} + +PALETTE_INIT_MEMBER(x1_state,x1) +{ + int i; + + for(i=0;i<(0x10+0x1000);i++) + palette.set_pen_color(i,rgb_t(0x00,0x00,0x00)); +} + +FLOPPY_FORMATS_MEMBER( x1_state::floppy_formats ) + FLOPPY_2D_FORMAT +FLOPPY_FORMATS_END + +static SLOT_INTERFACE_START( x1_floppies ) + SLOT_INTERFACE("dd", FLOPPY_525_DD) +SLOT_INTERFACE_END + +static MACHINE_CONFIG_START( x1, x1_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("x1_cpu", Z80, MAIN_CLOCK/4) + MCFG_CPU_PROGRAM_MAP(x1_mem) + MCFG_CPU_IO_MAP(x1_io) + MCFG_CPU_CONFIG(x1_daisy) + + MCFG_DEVICE_ADD("ctc", Z80CTC, MAIN_CLOCK/4) + MCFG_Z80CTC_INTR_CB(INPUTLINE("x1_cpu", INPUT_LINE_IRQ0)) + MCFG_Z80CTC_ZC0_CB(DEVWRITELINE("ctc", z80ctc_device, trg3)) + MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("ctc", z80ctc_device, trg1)) + MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("ctc", z80ctc_device, trg2)) + + MCFG_DEVICE_ADD("x1kb", X1_KEYBOARD, 0) + + MCFG_DEVICE_ADD("ppi8255_0", I8255A, 0) + MCFG_I8255_IN_PORTA_CB(READ8(x1_state, x1_porta_r)) + MCFG_I8255_OUT_PORTA_CB(WRITE8(x1_state, x1_porta_w)) + MCFG_I8255_IN_PORTB_CB(READ8(x1_state, x1_portb_r)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(x1_state, x1_portb_w)) + MCFG_I8255_IN_PORTC_CB(READ8(x1_state, x1_portc_r)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(x1_state, x1_portc_w)) + + MCFG_MACHINE_START_OVERRIDE(x1_state,x1) + MCFG_MACHINE_RESET_OVERRIDE(x1_state,x1) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(640, 480) + MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) + MCFG_SCREEN_UPDATE_DRIVER(x1_state, screen_update_x1) + + MCFG_MC6845_ADD("crtc", H46505, "screen", (VDP_CLOCK/48)) //unknown divider + MCFG_MC6845_SHOW_BORDER_AREA(true) + MCFG_MC6845_CHAR_WIDTH(8) + + MCFG_PALETTE_ADD("palette", 0x10+0x1000) + MCFG_PALETTE_INIT_OWNER(x1_state,x1) + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", x1) + + MCFG_VIDEO_START_OVERRIDE(x1_state,x1) + + MCFG_MB8877_ADD("fdc", MAIN_CLOCK / 16) + + MCFG_FLOPPY_DRIVE_ADD("fdc:0", x1_floppies, "dd", x1_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:1", x1_floppies, "dd", x1_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:2", x1_floppies, "dd", x1_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD("fdc:3", x1_floppies, "dd", x1_state::floppy_formats) + + MCFG_SOFTWARE_LIST_ADD("flop_list","x1_flop") + + MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "x1_cart") + MCFG_GENERIC_EXTENSIONS("bin,rom") + + MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") + + /* TODO:is the AY mono or stereo? Also volume balance isn't right. */ + MCFG_SOUND_ADD("ay", AY8910, MAIN_CLOCK/8) + MCFG_AY8910_PORT_A_READ_CB(IOPORT("P1")) + MCFG_AY8910_PORT_B_READ_CB(IOPORT("P2")) + MCFG_SOUND_ROUTE(0, "lspeaker", 0.25) + MCFG_SOUND_ROUTE(0, "rspeaker", 0.25) + MCFG_SOUND_ROUTE(1, "lspeaker", 0.5) + MCFG_SOUND_ROUTE(2, "rspeaker", 0.5) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.25) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.10) + + MCFG_CASSETTE_ADD("cassette") + MCFG_CASSETTE_FORMATS(x1_cassette_formats) + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED) + MCFG_CASSETTE_INTERFACE("x1_cass") + + MCFG_SOFTWARE_LIST_ADD("cass_list","x1_cass") + + MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard_timer", x1_state, x1_keyboard_callback, attotime::from_hz(250)) + MCFG_TIMER_DRIVER_ADD_PERIODIC("cmt_wind_timer", x1_state, x1_cmt_wind_timer, attotime::from_hz(16)) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( x1turbo, x1 ) + MCFG_CPU_MODIFY("x1_cpu") + MCFG_CPU_PROGRAM_MAP(x1turbo_mem) + MCFG_CPU_IO_MAP(x1turbo_io) + MCFG_CPU_CONFIG(x1turbo_daisy) + MCFG_MACHINE_RESET_OVERRIDE(x1_state,x1turbo) + + MCFG_Z80SIO0_ADD("sio", MAIN_CLOCK/4 , 0, 0, 0, 0) + MCFG_Z80DART_OUT_INT_CB(INPUTLINE("x1_cpu", INPUT_LINE_IRQ0)) + + MCFG_DEVICE_ADD("dma", Z80DMA, MAIN_CLOCK/4) + MCFG_Z80DMA_OUT_BUSREQ_CB(INPUTLINE("x1_cpu", INPUT_LINE_HALT)) + MCFG_Z80DMA_OUT_INT_CB(INPUTLINE("x1_cpu", INPUT_LINE_IRQ0)) + MCFG_Z80DMA_IN_MREQ_CB(READ8(x1_state, memory_read_byte)) + MCFG_Z80DMA_OUT_MREQ_CB(WRITE8(x1_state, memory_write_byte)) + MCFG_Z80DMA_IN_IORQ_CB(READ8(x1_state, io_read_byte)) + MCFG_Z80DMA_OUT_IORQ_CB(WRITE8(x1_state, io_write_byte)) + + MCFG_DEVICE_MODIFY("fdc") + MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(x1_state, fdc_drq_w)) + + MCFG_YM2151_ADD("ym", MAIN_CLOCK/8) //option board + MCFG_SOUND_ROUTE(0, "lspeaker", 0.50) + MCFG_SOUND_ROUTE(1, "rspeaker", 0.50) +MACHINE_CONFIG_END + +/************************************* + * + * ROM definitions + * + *************************************/ + +ROM_START( x1 ) + ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF ) + ROM_LOAD( "ipl.x1", 0x0000, 0x1000, CRC(7b28d9de) SHA1(c4db9a6e99873808c8022afd1c50fef556a8b44d) ) + + ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu" + ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP ) + + ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines? + ROM_LOAD( "ank.fnt", 0x0000, 0x2000, BAD_DUMP CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) ) + + ROM_REGION(0x1800, "cgrom", 0) + ROM_LOAD("fnt0808.x1", 0x00000, 0x00800, CRC(e3995a57) SHA1(1c1a0d8c9f4c446ccd7470516b215ddca5052fb2) ) + ROM_COPY("font", 0x1000, 0x00800, 0x1000 ) + + ROM_REGION(0x20000, "kanji", ROMREGION_ERASEFF) + + ROM_REGION(0x20000, "raw_kanji", ROMREGION_ERASEFF) +ROM_END + +ROM_START( x1turbo ) + ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF ) + ROM_LOAD( "ipl.x1t", 0x0000, 0x8000, CRC(2e8b767c) SHA1(44620f57a25f0bcac2b57ca2b0f1ebad3bf305d3) ) + + ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu" + ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP ) + + ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines? + ROM_LOAD( "ank.fnt", 0x0000, 0x2000, CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) ) + + ROM_REGION(0x4800, "cgrom", 0) + ROM_LOAD("fnt0808_turbo.x1", 0x00000, 0x00800, CRC(84a47530) SHA1(06c0995adc7a6609d4272417fe3570ca43bd0454) ) + ROM_COPY("font", 0x01000, 0x00800, 0x1000 ) + + ROM_REGION(0x20000, "kanji", ROMREGION_ERASEFF) + + ROM_REGION(0x20000, "raw_kanji", ROMREGION_ERASEFF) + ROM_LOAD("kanji4.rom", 0x00000, 0x8000, CRC(3e39de89) SHA1(d3fd24892bb1948c4697dedf5ff065ff3eaf7562) ) + ROM_LOAD("kanji2.rom", 0x08000, 0x8000, CRC(e710628a) SHA1(103bbe459dc8da27a9400aa45b385255c18fcc75) ) + ROM_LOAD("kanji3.rom", 0x10000, 0x8000, CRC(8cae13ae) SHA1(273f3329c70b332f6a49a3a95e906bbfe3e9f0a1) ) + ROM_LOAD("kanji1.rom", 0x18000, 0x8000, CRC(5874f70b) SHA1(dad7ada1b70c45f1e9db11db273ef7b385ef4f17) ) +ROM_END + +ROM_START( x1turbo40 ) + ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF ) + ROM_LOAD( "ipl.bin", 0x0000, 0x8000, CRC(112f80a2) SHA1(646cc3fb5d2d24ff4caa5167b0892a4196e9f843) ) + + ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu" + ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP ) + + ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines? + ROM_LOAD( "ank.fnt", 0x0000, 0x2000, CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) ) + + ROM_REGION(0x4800, "cgrom", 0) + ROM_LOAD("fnt0808_turbo.x1",0x00000, 0x0800, CRC(84a47530) SHA1(06c0995adc7a6609d4272417fe3570ca43bd0454) ) + ROM_COPY("font", 0x01000, 0x0800, 0x1000 ) + + ROM_REGION(0x20000, "kanji", ROMREGION_ERASEFF) + + ROM_REGION(0x20000, "raw_kanji", ROMREGION_ERASEFF) + ROM_LOAD("kanji4.rom", 0x00000, 0x8000, CRC(3e39de89) SHA1(d3fd24892bb1948c4697dedf5ff065ff3eaf7562) ) + ROM_LOAD("kanji2.rom", 0x08000, 0x8000, CRC(e710628a) SHA1(103bbe459dc8da27a9400aa45b385255c18fcc75) ) + ROM_LOAD("kanji3.rom", 0x10000, 0x8000, CRC(8cae13ae) SHA1(273f3329c70b332f6a49a3a95e906bbfe3e9f0a1) ) + ROM_LOAD("kanji1.rom", 0x18000, 0x8000, CRC(5874f70b) SHA1(dad7ada1b70c45f1e9db11db273ef7b385ef4f17) ) +ROM_END + + +/* Convert the ROM interleaving into something usable by the write handlers */ +DRIVER_INIT_MEMBER(x1_state,x1_kanji) +{ + UINT32 i,j,k,l; + UINT8 *kanji = memregion("kanji")->base(); + UINT8 *raw_kanji = memregion("raw_kanji")->base(); + + k = 0; + for(l=0;l<2;l++) + { + for(j=l*16;j<(l*16)+0x10000;j+=32) + { + for(i=0;i<16;i++) + { + kanji[j+i] = raw_kanji[k]; + kanji[j+i+0x10000] = raw_kanji[0x10000+k]; + k++; + } + } + } +} + + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, x1, 0, 0, x1, x1, driver_device, 0, "Sharp", "X1 (CZ-800C)", 0 ) +// x1twin in x1twin.c +COMP( 1984, x1turbo, x1, 0, x1turbo, x1turbo, x1_state, x1_kanji, "Sharp", "X1 Turbo (CZ-850C)", MACHINE_NOT_WORKING ) //model 10 +COMP( 1985, x1turbo40, x1, 0, x1turbo, x1turbo, x1_state, x1_kanji, "Sharp", "X1 Turbo (CZ-862C)", 0 ) //model 40 +//COMP( 1986, x1turboz, x1, 0, x1turbo, x1turbo, x1_state, x1_kanji, "Sharp", "X1 TurboZ", MACHINE_NOT_WORKING ) |