diff options
author | Luca Elia <lucaelia@mamedev.org> | 2008-04-20 10:45:05 +0000 |
---|---|---|
committer | Luca Elia <lucaelia@mamedev.org> | 2008-04-20 10:45:05 +0000 |
commit | 467f229ab87f0a2ed3601007d5cbe808bb6bba08 (patch) | |
tree | 8609f956b549cec8ad13e14c6ab3617ff966e6dc | |
parent | ad7287f3e178e3ce842a1036f77dce01efa47325 (diff) |
Improved the IGS017 based games:
- iqblocka: bypassed the protection, emulated the video hardware, inputs and sound.
- tjsb: it now boots and has partially decrypted graphics.
[Luca Elia]
-rw-r--r-- | src/mame/drivers/igs_180.c | 830 |
1 files changed, 667 insertions, 163 deletions
diff --git a/src/mame/drivers/igs_180.c b/src/mame/drivers/igs_180.c index c313f43def0..255f93fe4e6 100644 --- a/src/mame/drivers/igs_180.c +++ b/src/mame/drivers/igs_180.c @@ -1,157 +1,721 @@ -/* Some IGS games with a HD64180 */ -/* also see iqblock.c and tarzan.c */ +/*************************************************************************** + + -= IGS017 Based Hardware =- + + driver by Pierpaolo Prazzoli, Luca Elia (l.elia@tin.it) + +CPU: Z180 (HD64180) +GFX: IGS017 (2 tilemaps, variable size sprites, protection) +SOUND: M6295, YM2413 +OTHER: IGS025 + +To Do: + +- Protection emulation, instead of patching the roms. +- tjsb: finish sprites decryption (data lines scrambling), protection, inputs. +- iqblocka: NVRAM. +- iqblockf: protection. + +Notes: + +- iqblocka: keep start or test pressed during boot to enter test mode A or B. + +***************************************************************************/ #include "driver.h" #include "deprecat.h" #include "cpu/z180/z180.h" +#include "machine/8255ppi.h" #include "sound/2413intf.h" #include "sound/okim6295.h" -static UINT8 *fg_videoram; -static tilemap *fg_tilemap; +/*************************************************************************** + Video Hardware +***************************************************************************/ + +static UINT8 *fg_videoram, *bg_videoram; +static tilemap *fg_tilemap, *bg_tilemap; + +#define COLOR(_X) (((_X)>>2)) static TILE_GET_INFO( get_fg_tile_info ) { - int code = fg_videoram[tile_index*4+0] + ((fg_videoram[tile_index*4+1] & 0xf) << 8); - SET_TILE_INFO(1, code, 0, 0); + int code = fg_videoram[tile_index*4+0] + (fg_videoram[tile_index*4+1] << 8); + int attr = fg_videoram[tile_index*4+2] + (fg_videoram[tile_index*4+3] << 8); + SET_TILE_INFO(0, code, COLOR(attr), 0); +} +static TILE_GET_INFO( get_bg_tile_info ) +{ + int code = bg_videoram[tile_index*4+0] + (bg_videoram[tile_index*4+1] << 8); + int attr = bg_videoram[tile_index*4+2] + (bg_videoram[tile_index*4+3] << 8); + SET_TILE_INFO(0, code, COLOR(attr)+8, 0); +} + +static WRITE8_HANDLER( fg_w ) +{ + fg_videoram[offset] = data; + tilemap_mark_tile_dirty(fg_tilemap,offset/4); +} +static WRITE8_HANDLER( bg_w ) +{ + bg_videoram[offset] = data; + tilemap_mark_tile_dirty(bg_tilemap,offset/4); } static VIDEO_START(igs_180) { fg_tilemap = tilemap_create(get_fg_tile_info,tilemap_scan_rows,8,8,64,32); + bg_tilemap = tilemap_create(get_bg_tile_info,tilemap_scan_rows,8,8,64,32); + + tilemap_set_transparent_pen(fg_tilemap,0xf); + tilemap_set_transparent_pen(bg_tilemap,0xf); +} + + +static UINT8 *sprites_gfx; +int sprites_gfx_size; + +// Eeach 16 bit word in the sprites gfx roms contains three 5 bit pens: x-22222-11111-00000. +// This routine expands each word into three bytes. +static void expand_sprites(void) +{ + UINT8 *rom = memory_region(REGION_GFX1); + int size = memory_region_length(REGION_GFX1); + int i; + + sprites_gfx_size = size / 2 * 3; + sprites_gfx = auto_malloc(sprites_gfx_size); + + for (i = 0; i < size / 2 ; i++) + { + UINT16 pens = (rom[i*2+1] << 8) | rom[i*2]; + + sprites_gfx[i * 3 + 0] = (pens >> 0) & 0x1f; + sprites_gfx[i * 3 + 1] = (pens >> 5) & 0x1f; + sprites_gfx[i * 3 + 2] = (pens >> 10) & 0x1f; + } +} + +/*************************************************************************** + Sprites Format + + Offset: Bits: Value: + + 0.b Y (low) + + 1.b 7654 32-- Size Y (low) + ---- --10 Y (high) + + 2.b 7654 3--- X (low) + ---- -210 Size Y (high) + + 3.b 76-- ---- Size X (low) + --5- ---- + ---4 3210 X (high) + + 4.b 76-- ---- Code (low) + --54 3210 Size X (high) + + 5.b Code (mid low) + + 6.b Code (mid high) + + 7.b 765- ---- Color + ---4 ---- Flip X + ---- 3210 Code (high) + + Code = ROM Address / 2 = Pixel / 3 + +***************************************************************************/ + +static void draw_sprite(bitmap_t *bitmap,const rectangle *cliprect, int sx, int sy, int dimx, int dimy, int flipx, int flipy, int color, int addr) +{ + // prepare GfxElement on the fly + gfx_element gfx; + + gfx.width = dimx; + gfx.height = dimy; + gfx.total_elements = 1; + gfx.color_depth = 32; + gfx.color_granularity = 32; + gfx.color_base = 0x100; + gfx.total_colors = 8; + gfx.pen_usage = NULL; + gfx.gfxdata = sprites_gfx + addr; + gfx.line_modulo = dimx; + gfx.char_modulo = 0; // doesn't matter + gfx.flags = 0; + + // Bounds checking + if ( addr + dimx * dimy >= sprites_gfx_size ) + return; + + drawgfx( bitmap,&gfx, + 0, color, + flipx, flipy, + sx, sy, + cliprect, TRANSPARENCY_PEN, 0x1f ); +} + +static void draw_sprites(running_machine *machine, bitmap_t *bitmap,const rectangle *cliprect) +{ + UINT8 *s = spriteram; + UINT8 *end = spriteram + 0x800; + + for ( ; s < end; s += 8 ) + { + int x,y, sx,sy, dimx,dimy, flipx,flipy, addr,color; + + y = s[0] + (s[1] << 8); + x = s[2] + (s[3] << 8); + addr = (s[4] >> 6) | (s[5] << 2) | (s[6] << 10) | ((s[7] & 0x03) << 18); + addr *= 3; + + flipx = s[7] & 0x10; + flipy = 0; + + dimx = ((((s[4] & 0x3f)<<2) | ((s[3] & 0xc0)>>6))+1) * 3; + dimy = ((y >> 10) | ((x & 0x03)<<6))+1; + + x >>= 3; + sx = (x & 0x1ff) - (x & 0x200); + sy = (y & 0x1ff) - (y & 0x200); + + color = (s[7] & 0xe0) >> 5; + + draw_sprite(bitmap, cliprect, sx, sy, dimx, dimy, flipx, flipy, color, addr); + } +} + +// A simple gfx viewer (toggle with T) +static int debug_viewer(bitmap_t *bitmap,const rectangle *cliprect) +{ +#ifdef MAME_DEBUG + static int toggle = 0; + if (input_code_pressed_once(KEYCODE_T)) toggle = 1-toggle; + if (toggle) { + static int a = 0, w = 512; + int h = 256; + + if (input_code_pressed(KEYCODE_O)) w += 1; + if (input_code_pressed(KEYCODE_I)) w -= 1; + + if (input_code_pressed(KEYCODE_U)) w += 8; + if (input_code_pressed(KEYCODE_Y)) w -= 8; + + if (input_code_pressed(KEYCODE_RIGHT)) a += 1; + if (input_code_pressed(KEYCODE_LEFT)) a -= 1; + + if (input_code_pressed(KEYCODE_DOWN)) a += w; + if (input_code_pressed(KEYCODE_UP)) a -= w; + + if (input_code_pressed(KEYCODE_PGDN)) a += w * h; + if (input_code_pressed(KEYCODE_PGUP)) a -= w * h; + + if (a < 0) a = 0; + if (a > sprites_gfx_size) a = sprites_gfx_size; + + if (w <= 0) w = 0; + if (w > 1024) w = 1024; + + fillbitmap(bitmap,0,cliprect); + + draw_sprite(bitmap, cliprect, 0,0, w,h, 0,0, 0, a); + + popmessage("a: %08X w: %03X p: %02X-%02x-%02x",a,w,sprites_gfx[a/3*3+0],sprites_gfx[a/3*3+1],sprites_gfx[a/3*3+2]); + osd_sleep(200000); + return 1; + } +#endif + return 0; } static VIDEO_UPDATE(igs_180) { - tilemap_mark_all_tiles_dirty(fg_tilemap); - tilemap_draw(bitmap,cliprect,fg_tilemap,0,0); + int layers_ctrl = -1; + +#ifdef MAME_DEBUG + if (input_code_pressed(KEYCODE_Z)) + { + int mask = 0; + if (input_code_pressed(KEYCODE_Q)) mask |= 1; + if (input_code_pressed(KEYCODE_W)) mask |= 2; + if (input_code_pressed(KEYCODE_A)) mask |= 4; + if (mask != 0) layers_ctrl &= mask; + } +#endif + + if (debug_viewer(bitmap,cliprect)) + return 0; + + if (layers_ctrl & 1) tilemap_draw(bitmap,cliprect,bg_tilemap,TILEMAP_DRAW_OPAQUE,0); + else fillbitmap(bitmap,get_black_pen(screen->machine),cliprect); + + if (layers_ctrl & 4) draw_sprites(screen->machine,bitmap,cliprect); + + if (layers_ctrl & 2) tilemap_draw(bitmap,cliprect,fg_tilemap,0,0); return 0; } -static INPUT_PORTS_START( igs_180 ) -INPUT_PORTS_END +/*************************************************************************** + Decryption +***************************************************************************/ + +static void decrypt_program_rom(int mask, int a7, int a6, int a5, int a4, int a3, int a2, int a1, int a0) +{ + int length = memory_region_length(REGION_CPU1); + UINT8 *rom = memory_region(REGION_CPU1); + UINT8 *tmp = auto_malloc(length); + int i; + + // decrypt the program ROM + + // XOR layer + for (i = 0;i < length;i++) + { + if(i & 0x2000) + { + if((i & mask) == mask) + rom[i] ^= 0x01; + } + else + { + if(i & 0x0100) + { + if((i & mask) == mask) + rom[i] ^= 0x01; + } + else + { + if(i & 0x0080) + { + if((i & mask) == mask) + rom[i] ^= 0x01; + } + else + { + if((i & mask) != mask) + rom[i] ^= 0x01; + } + } + } + } + + memcpy(tmp,rom,length); + + // address lines swap + for (i = 0;i < length;i++) + { + int addr = (i & ~0xff) | BITSWAP8(i,a7,a6,a5,a4,a3,a2,a1,a0); + rom[i] = tmp[addr]; + } +} + + +// iqblocka + +static void iqblocka_patch_rom(void) +{ + UINT8 *rom = memory_region(REGION_CPU1); + +// rom[0x7b64] = 0xc9; + + rom[0x010c7] = 0x18; + + // CBEF bank 0a + rom[0x16bef] = 0x18; + + // C1BD bank 24 + rom[0x301bd] = 0x18; + + // C21B bank 2e + rom[0x3a21b] = 0x18; + + // DCA9 bank 2e + rom[0x3bca9] = 0x18; + + // maybe +// rom[0x18893] = 0x18; +// rom[0x385b1] = 0x18; +} + +static DRIVER_INIT( iqblocka ) +{ + decrypt_program_rom(0x11, 7, 6, 5, 4, 3, 2, 1, 0); + iqblocka_patch_rom(); + + expand_sprites(); +} + +// iqblockf + +static DRIVER_INIT( iqblockf ) +{ + decrypt_program_rom(0x11, 7, 6, 5, 4, 3, 2, 1, 0); +// iqblockf_patch_rom(); + + expand_sprites(); +} + +// tjsb + +static void tjsb_decrypt_sprites(void) +{ + int length = memory_region_length(REGION_GFX1); + UINT8 *rom = memory_region(REGION_GFX1); + UINT8 *tmp = auto_malloc(length); + int i; + + // address lines swap (to do: collapse into one bitswap) + memcpy(tmp,rom,length); + for (i = 0;i < length;i++) + { + int addr = (i & ~0xff) | BITSWAP8(i,7,6,5,4,1,2,3,0); + rom[i] = tmp[addr]; + } + + memcpy(tmp,rom,length); + for (i = 0;i < length;i++) + { + int addr = (i & ~0xff) | BITSWAP8(i,7,6,5,2,4,3,1,0); + rom[i] = tmp[addr]; + } + + memcpy(tmp,rom,length); + for (i = 0;i < length;i++) + { + int addr = (i & ~0xff) | BITSWAP8(i,7,6,5,3,4,2,1,0); + rom[i] = BITSWAP8(tmp[addr],7,6,5,4,3,2,1,0); + } +} + +static void tjsb_patch_rom(void) +{ + UINT8 *rom = memory_region(REGION_CPU1); + rom[0x011df] = 0x18; +} + +static DRIVER_INIT( tjsb ) +{ + decrypt_program_rom(0x05, 7, 6, 3, 2, 5, 4, 1, 0); + tjsb_patch_rom(); + + tjsb_decrypt_sprites(); + expand_sprites(); +} + +/*************************************************************************** + Memory Maps +***************************************************************************/ static ADDRESS_MAP_START( igs_180_map, ADDRESS_SPACE_PROGRAM, 8 ) - AM_RANGE(0x00000, 0x0dfff) AM_ROM - AM_RANGE(0x0e000, 0x0efff) AM_RAM - AM_RANGE(0x0f000, 0x0ffff) AM_RAM - AM_RANGE(0x10000, 0x3ffff) AM_ROM + AM_RANGE( 0x00000, 0x0dfff ) AM_ROM + AM_RANGE( 0x0e000, 0x0efff ) AM_RAM + AM_RANGE( 0x0f000, 0x0ffff ) AM_RAM + AM_RANGE( 0x10000, 0x3ffff ) AM_ROM ADDRESS_MAP_END -/* -#define W(n) \ - static WRITE8_HANDLER( w##n )\ - {\ - static int old = -1;\ - if(data != old)\ - printf("w"#n" = %02X\n",old=data);\ - }\ - -W(1) -W(2) -W(3) -W(4) -W(5) -W(6) -W(7) -W(8) -*/ +static int nmi_enable; +static WRITE8_HANDLER( nmi_enable_w ) +{ + nmi_enable = data & 1; + if (data & (~1)) + logerror("PC %06X: nmi_enable = %02x\n",activecpu_get_pc(),data); +} -static WRITE8_HANDLER( nmi_ack_w ) +static int irq_enable; +static WRITE8_HANDLER( irq_enable_w ) { -// cpunum_set_input_line(Machine, 0, INPUT_LINE_NMI, CLEAR_LINE); + irq_enable = data & 1; + if (data & (~1)) + logerror("PC %06X: irq_enable = %02x\n",activecpu_get_pc(),data); } -static WRITE8_HANDLER( irq0_ack_w ) +static UINT8 input_select; +static WRITE8_HANDLER( input_select_w ) { -// cpunum_set_input_line(Machine, 0, 0, CLEAR_LINE); + input_select = data; } -static READ8_HANDLER( ff_r ) +static READ8_HANDLER( input_r ) { - return 0xff; + switch (input_select) + { + case 0x00: return input_port_read(machine, "PLAYER1"); + case 0x01: return input_port_read(machine, "PLAYER2"); + case 0x02: return input_port_read(machine, "COINS"); + + case 0x03: return 01; + + case 0x20: return 0x49; + case 0x21: return 0x47; + case 0x22: return 0x53; + + case 0x24: return 0x41; + case 0x25: return 0x41; + case 0x26: return 0x7f; + case 0x27: return 0x41; + case 0x28: return 0x41; + + case 0x2a: return 0x3e; + case 0x2b: return 0x41; + case 0x2c: return 0x49; + case 0x2d: return 0xf9; + case 0x2e: return 0x0a; + + case 0x30: return 0x26; + case 0x31: return 0x49; + case 0x32: return 0x49; + case 0x33: return 0x49; + case 0x34: return 0x32; + + default: + logerror("PC %06X: input %02x read\n",activecpu_get_pc(),input_select); + return 0xff; + } } static ADDRESS_MAP_START( igs_180_portmap, ADDRESS_SPACE_IO, 8 ) - AM_RANGE(0x0000, 0x003f) AM_RAM // internal regs - - AM_RANGE(0x1000, 0x17ff) AM_RAM - AM_RANGE(0x1800, 0x19ff) AM_RAM - AM_RANGE(0x1a00, 0x1bff) AM_RAM - AM_RANGE(0x1c00, 0x1fff) AM_RAM - AM_RANGE(0x200a, 0x200a) AM_WRITENOP - AM_RANGE(0x2010, 0x2010) AM_READ(ff_r) AM_WRITENOP - AM_RANGE(0x2011, 0x2011) AM_READ(ff_r) AM_WRITENOP - AM_RANGE(0x2012, 0x2012) AM_READ(ff_r) AM_WRITENOP - AM_RANGE(0x2014, 0x2014) AM_WRITE(nmi_ack_w) - AM_RANGE(0x2015, 0x2015) AM_WRITE(irq0_ack_w) - - AM_RANGE(0x4000, 0x4fff) AM_RAM AM_BASE(&fg_videoram) - AM_RANGE(0x5000, 0x5fff) AM_RAM - AM_RANGE(0x6000, 0x7fff) AM_RAM - - AM_RANGE(0x8000, 0x8000) AM_WRITE(YM2413_register_port_0_w) - AM_RANGE(0x8001, 0x8001) AM_READ(ff_r) AM_WRITE(YM2413_data_port_0_w) - AM_RANGE(0xa000, 0xa000) AM_READ(ff_r) - AM_RANGE(0xb000, 0xb000) AM_WRITENOP - AM_RANGE(0xb001, 0xb001) AM_WRITENOP + AM_RANGE( 0x0000, 0x003f ) AM_RAM // internal regs + + AM_RANGE( 0x1000, 0x17ff ) AM_RAM AM_BASE( &spriteram ) + AM_RANGE( 0x1800, 0x1bff ) AM_READWRITE( SMH_RAM, paletteram_xRRRRRGGGGGBBBBB_le_w ) AM_BASE(&paletteram) + AM_RANGE( 0x1c00, 0x1fff ) AM_RAM + +// AM_RANGE(0x200a, 0x200a) AM_WRITENOP + + AM_RANGE( 0x2010, 0x2013 ) AM_DEVREADWRITE(PPI8255, "ppi8255", ppi8255_r, ppi8255_w) + + AM_RANGE( 0x2014, 0x2014 ) AM_WRITE( nmi_enable_w ) + AM_RANGE( 0x2015, 0x2015 ) AM_WRITE( irq_enable_w ) + + AM_RANGE( 0x4000, 0x5fff ) AM_READWRITE( SMH_RAM, fg_w ) AM_BASE( &fg_videoram ) + AM_RANGE( 0x6000, 0x7fff ) AM_READWRITE( SMH_RAM, bg_w ) AM_BASE( &bg_videoram ) + + AM_RANGE( 0x8000, 0x8000 ) AM_WRITE( input_select_w ) + AM_RANGE( 0x8001, 0x8001 ) AM_READ ( input_r ) + + AM_RANGE( 0x9000, 0x9000 ) AM_READWRITE( OKIM6295_status_0_r, OKIM6295_data_0_w ) + + AM_RANGE( 0xa000, 0xa000 ) AM_READ_PORT( "BUTTONS" ) + + AM_RANGE( 0xb000, 0xb000 ) AM_WRITE( YM2413_register_port_0_w ) + AM_RANGE( 0xb001, 0xb001 ) AM_WRITE( YM2413_data_port_0_w ) ADDRESS_MAP_END -static const gfx_layout tilelayout = + +/*************************************************************************** + Input Ports +***************************************************************************/ + +static INPUT_PORTS_START( iqblocka ) + + PORT_START_TAG("DSW0") // IN0 + PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, "Hold Mode" ) + PORT_DIPSETTING( 0x02, "In Win" ) + PORT_DIPSETTING( 0x00, "Always" ) + PORT_DIPNAME( 0x04, 0x04, "Max Credit" ) + PORT_DIPSETTING( 0x04, "4000" ) + PORT_DIPSETTING( 0x00, DEF_STR( None ) ) + PORT_DIPNAME( 0x38, 0x38, "Cigarette Bet" ) + PORT_DIPSETTING( 0x38, "1" ) + PORT_DIPSETTING( 0x30, "10" ) + PORT_DIPSETTING( 0x28, "20" ) + PORT_DIPSETTING( 0x20, "50" ) + PORT_DIPSETTING( 0x18, "80" ) + PORT_DIPSETTING( 0x10, "100" ) + PORT_DIPSETTING( 0x08, "120" ) + PORT_DIPSETTING( 0x00, "150" ) + PORT_DIPNAME( 0xc0, 0xc0, "Min Bet" ) + PORT_DIPSETTING( 0xc0, "1" ) + PORT_DIPSETTING( 0x80, "10" ) + PORT_DIPSETTING( 0x40, "20" ) + PORT_DIPSETTING( 0x00, "50" ) + + PORT_START_TAG("DSW1") // IN1 + PORT_DIPNAME( 0x07, 0x07, "Key In" ) + PORT_DIPSETTING( 0x07, "10" ) + PORT_DIPSETTING( 0x06, "20" ) + PORT_DIPSETTING( 0x05, "40" ) + PORT_DIPSETTING( 0x04, "50" ) + PORT_DIPSETTING( 0x03, "100" ) + PORT_DIPSETTING( 0x02, "200" ) + PORT_DIPSETTING( 0x01, "250" ) + PORT_DIPSETTING( 0x00, "500" ) + PORT_DIPNAME( 0x08, 0x08, "Key Out" ) + PORT_DIPSETTING( 0x08, "10" ) + PORT_DIPSETTING( 0x00, "100" ) + PORT_DIPNAME( 0x10, 0x10, "Open Mode" ) + PORT_DIPSETTING( 0x10, "Gaming" ) + PORT_DIPSETTING( 0x00, "Amuse" ) + PORT_DIPNAME( 0x20, 0x20, "Demo Game" ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0xc0, 0xc0, "Bonus Base" ) + PORT_DIPSETTING( 0xc0, "100" ) + PORT_DIPSETTING( 0x80, "200" ) + PORT_DIPSETTING( 0x40, "300" ) + PORT_DIPSETTING( 0x00, "400" ) + + PORT_START_TAG("DSW2") // IN2 + PORT_DIPNAME( 0x03, 0x03, "Win Up Pool" ) + PORT_DIPSETTING( 0x03, "300" ) + PORT_DIPSETTING( 0x02, "500" ) + PORT_DIPSETTING( 0x01, "800" ) + PORT_DIPSETTING( 0x00, "1000" ) + PORT_DIPNAME( 0x0c, 0x0c, "Max Double Up" ) + PORT_DIPSETTING( 0x0c, "20000" ) + PORT_DIPSETTING( 0x08, "30000" ) + PORT_DIPSETTING( 0x04, "40000" ) + PORT_DIPSETTING( 0x00, "50000" ) + PORT_DIPNAME( 0x10, 0x10, "Cards" ) + PORT_DIPSETTING( 0x10, "A,J,Q,K" ) + PORT_DIPSETTING( 0x00, "Number" ) + PORT_DIPNAME( 0x20, 0x20, "Title Name" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x20, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, "Double" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x40, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, "CG Select" ) + PORT_DIPSETTING( 0x80, DEF_STR( Low ) ) + PORT_DIPSETTING( 0x00, DEF_STR( High ) ) + + PORT_START_TAG("PLAYER1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_NAME( "Start / Test" ) // keep pressed while booting + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME( "Help / Big" ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START_TAG("PLAYER2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START2 ) PORT_NAME( "Bet" ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) + 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_TAG("COINS") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_SERVICE_NO_TOGGLE( 0x40, IP_ACTIVE_LOW ) // keep pressed while booting + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SERVICE1 ) // this seems to toggle between videogame and gambling + + PORT_START_TAG("BUTTONS") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME( "Small" ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_IMPULSE(2) // coin error + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME( "Score -> Time" ) // converts score into time + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + +INPUT_PORTS_END + + +/*************************************************************************** + Graphics Layout +***************************************************************************/ + +static const gfx_layout layout_8x8x4 = { 8,8, - RGN_FRAC(1,4), //? - 6, //? - { 8, RGN_FRAC(0,4), RGN_FRAC(1,4)+8, RGN_FRAC(1,4), RGN_FRAC(2,4)+8, RGN_FRAC(2,4) }, //? - { 0, 1, 2, 3, 4, 5, 6, 7 }, - { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, - 32*8 + RGN_FRAC(1,1), + 4, + { 8*3,8*2,8*1,8*0 }, + { STEP8(0, 1) }, + { STEP8(0, 8*4) }, + 8*8*4 }; static GFXDECODE_START( igs_180 ) - GFXDECODE_ENTRY( REGION_GFX1, 0, tilelayout, 0, 1 ) - GFXDECODE_ENTRY( REGION_GFX2, 0, tilelayout, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, layout_8x8x4, 0, 16 ) GFXDECODE_END +/*************************************************************************** + Machine Drivers +***************************************************************************/ + static INTERRUPT_GEN( igs_180_interrupt ) { if (cpu_getiloops() & 1) - cpunum_set_input_line(machine, 0, INPUT_LINE_NMI, PULSE_LINE);//ASSERT_LINE); /* ???? */ + { + if (nmi_enable) + cpunum_set_input_line(machine, 0, INPUT_LINE_NMI, PULSE_LINE); + } else - cpunum_set_input_line(machine, 0, 0, HOLD_LINE);//ASSERT_LINE); /* ???? */ + { + if (irq_enable) + cpunum_set_input_line(machine, 0, 0, HOLD_LINE); + } +} + +// Dips are read through the 8255 +static const ppi8255_interface ppi8255_intf = +{ + input_port_0_r, // Port A read + input_port_1_r, // Port B read + input_port_2_r, // Port C read + 0, // Port A write + 0, // Port B write + 0, // Port C write +}; + +static MACHINE_RESET( igs_180 ) +{ + nmi_enable = 0; + irq_enable = 0; } static MACHINE_DRIVER_START( igs_180 ) /* basic machine hardware */ - MDRV_CPU_ADD(Z180,16000000) /* 16 MHz? */ + MDRV_CPU_ADD(Z180, XTAL_16MHz / 2) MDRV_CPU_PROGRAM_MAP(igs_180_map,0) MDRV_CPU_IO_MAP(igs_180_portmap,0) MDRV_CPU_VBLANK_INT_HACK(igs_180_interrupt,2) - //MDRV_CPU_VBLANK_INT("main", irq0_line_hold) + + MDRV_DEVICE_ADD( "ppi8255", PPI8255 ) + MDRV_DEVICE_CONFIG( ppi8255_intf ) + + MDRV_MACHINE_RESET(igs_180) /* video hardware */ MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) - MDRV_SCREEN_SIZE(64*8, 32*8) - MDRV_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0*8, 32*8-1) + MDRV_SCREEN_SIZE(512, 256) + MDRV_SCREEN_VISIBLE_AREA(0, 512-1, 0, 240-1) MDRV_GFXDECODE(igs_180) - MDRV_PALETTE_LENGTH(1024) + MDRV_PALETTE_LENGTH(0x100*2) MDRV_VIDEO_START(igs_180) MDRV_VIDEO_UPDATE(igs_180) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") - MDRV_SOUND_ADD(YM2413, 3579545) + MDRV_SOUND_ADD(YM2413, XTAL_3_579545MHz) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5) - MDRV_SOUND_ADD(OKIM6295, 16000000/16) + MDRV_SOUND_ADD(OKIM6295, XTAL_16MHz / 16) MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5) MACHINE_DRIVER_END @@ -199,34 +763,34 @@ Notes: VSync - 60Hz HSync - 15.31kHz - */ +*/ ROM_START( iqblocka ) - ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* DIP28 Code */ + ROM_REGION( 0x40000, REGION_CPU1, 0 ) ROM_LOAD( "v.u18", 0x00000, 0x40000, CRC(2e2b7d43) SHA1(cc73f4c8f9a6e2219ee04c9910725558a80b4eb2) ) - ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* Samples */ - ROM_LOAD( "speech.u17", 0x00000, 0x40000, CRC(d9e3d39f) SHA1(bec85d1ac2dfca77453cbca0e7dd53fee8fb438b) ) - - ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_INVERT ) - ROM_LOAD( "cg.u7", 0x000000, 0x080000, CRC(cb48a66e) SHA1(6d597193d1333a97957d5ceec8179a24bedfd928) ) + ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "cg.u7", 0x000000, 0x080000, CRC(cb48a66e) SHA1(6d597193d1333a97957d5ceec8179a24bedfd928) ) // FIXED BITS (xxxxxxxx0xxxxxxx) - ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_INVERT ) + ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_DISPOSE) ROM_LOAD( "text.u8", 0x000000, 0x080000, CRC(48c4f4e6) SHA1(b1e1ca62cf6a99c11a5cc56705eef7e22a3b2740) ) + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) + ROM_LOAD( "speech.u17", 0x00000, 0x40000, CRC(d9e3d39f) SHA1(bec85d1ac2dfca77453cbca0e7dd53fee8fb438b) ) ROM_END ROM_START( iqblockf ) - ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* DIP28 Code */ + ROM_REGION( 0x40000, REGION_CPU1, 0 ) ROM_LOAD( "v113fr.u18", 0x00000, 0x40000, CRC(346c68af) SHA1(ceae4c0143c288dc9c1dd1e8a51f1e3371ffa439) ) - ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* Samples */ - ROM_LOAD( "sp.u17", 0x00000, 0x40000, CRC(71357845) SHA1(25f4f7aebdcc0706018f041d3696322df569b0a3) ) - - ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_INVERT ) - ROM_LOAD( "cg.u7", 0x000000, 0x080000, CRC(cb48a66e) SHA1(6d597193d1333a97957d5ceec8179a24bedfd928) ) + ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "cg.u7", 0x000000, 0x080000, CRC(cb48a66e) SHA1(6d597193d1333a97957d5ceec8179a24bedfd928) ) // FIXED BITS (xxxxxxxx0xxxxxxx) - ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_INVERT ) + ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "text.u8", 0x000000, 0x080000, CRC(48c4f4e6) SHA1(b1e1ca62cf6a99c11a5cc56705eef7e22a3b2740) ) + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) + ROM_LOAD( "sp.u17", 0x00000, 0x40000, CRC(71357845) SHA1(25f4f7aebdcc0706018f041d3696322df569b0a3) ) ROM_END /* @@ -278,80 +842,20 @@ Notes: */ ROM_START( tjsb ) - ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* DIP28 Code */ + ROM_REGION( 0x40000, REGION_CPU1, 0 ) ROM_LOAD( "p0700.u16", 0x00000, 0x40000,CRC(1b2a50df) SHA1(95a272e624f727df9523667864f933118d9e633c) ) - ROM_REGION( 0x80000, REGION_SOUND1, 0 ) /* Samples */ - ROM_LOAD( "s0703.u15", 0x00000, 0x80000, CRC(c6f94d29) SHA1(ec413580240711fc4977dd3c96c288501aa7ef6c) ) + ROM_REGION( 0x200000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "a0701.u3", 0x000000, 0x200000, CRC(aa182140) SHA1(37c2053386c183ff726ba417d13f2063cf9a22df) ) // FIXED BITS (xxxxxxxx0xxxxxxx) - ROM_REGION( 0x200000, REGION_GFX1, ROMREGION_INVERT ) - ROM_LOAD( "a0701.u3", 0x000000, 0x200000, CRC(aa182140) SHA1(37c2053386c183ff726ba417d13f2063cf9a22df) ) + ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "text.u6", 0x000000, 0x080000, CRC(3be886b8) SHA1(15b3624ed076640c1828d065b01306a8656f5a9b) ) // BADADDR --xxxxxxxxxxxxxxxxx - ROM_REGION( 0x80000, REGION_GFX2, ROMREGION_INVERT ) - ROM_LOAD( "text.u6", 0x000000, 0x080000, CRC(3be886b8) SHA1(15b3624ed076640c1828d065b01306a8656f5a9b) ) + ROM_REGION( 0x80000, REGION_SOUND1, 0 ) + ROM_LOAD( "s0703.u15", 0x00000, 0x80000, CRC(c6f94d29) SHA1(ec413580240711fc4977dd3c96c288501aa7ef6c) ) ROM_END -static void decrypt_program_rom(int mask, int a7, int a6, int a5, int a4, int a3, int a2, int a1, int a0) -{ - int length = memory_region_length(REGION_CPU1); - UINT8 *rom = memory_region(REGION_CPU1); - UINT8 *tmp = auto_malloc(length); - int i; - - /* decrypt the program ROM */ - - /* XOR layer */ - for (i = 0;i < length;i++) - { - if(i & 0x2000) - { - if((i & mask) == mask) - rom[i] ^= 0x01; - } - else - { - if(i & 0x0100) - { - if((i & mask) == mask) - rom[i] ^= 0x01; - } - else - { - if(i & 0x0080) - { - if((i & mask) == mask) - rom[i] ^= 0x01; - } - else - { - if((i & mask) != mask) - rom[i] ^= 0x01; - } - } - } - } - - memcpy(tmp,rom,length); - - /* address line swap */ - for (i = 0;i < length;i++) - { - int addr = (i & ~0xff) | BITSWAP8(i,a7,a6,a5,a4,a3,a2,a1,a0); - rom[i] = tmp[addr]; - } -} - -static DRIVER_INIT( iqblock ) -{ - - decrypt_program_rom(0x11, 7, 6, 5, 4, 3, 2, 1, 0); -} - -static DRIVER_INIT( tjsb ) -{ - decrypt_program_rom(0x05, 7, 6, 3, 2, 5, 4, 1, 0); -} -GAME( 1996, iqblocka, iqblock, igs_180, igs_180, iqblock, ROT0, "IGS", "IQ-Block (V127M)", GAME_NOT_WORKING ) -GAME( 1996, iqblockf, iqblock, igs_180, igs_180, iqblock, ROT0, "IGS", "IQ-Block (V113FR)", GAME_NOT_WORKING ) -GAME( 1997, tjsb, 0, igs_180, igs_180, tjsb, ROT0, "IGS", "Mahjong Tian Jiang Shen Bing", GAME_NOT_WORKING ) +GAME( 1996, iqblocka, iqblock, igs_180, iqblocka, iqblocka, ROT0, "IGS", "Shu Zi Le Yuan (V127M)", GAME_NOT_WORKING ) +GAME( 1996, iqblockf, iqblock, igs_180, iqblocka, iqblockf, ROT0, "IGS", "Shu Zi Le Yuan (V113FR)", GAME_NOT_WORKING ) +GAME( 1997, tjsb, 0, igs_180, iqblocka, tjsb, ROT0, "IGS", "Mahjong Tian Jiang Shen Bing", GAME_NOT_WORKING ) |