/****************************************************************************** Hit Poker (c) 1997 Accept LTD preliminary driver by Angelo Salese & David Haywood Many thanks to Olivier Galibert for the CPU identify effort ;-) TODO: - CPU core bugs? - Protection controls inputs; - Understand & fix EEPROM emulation; - Hangs during attract mode, eeprom or protection? - complete video HW (unknown bits and hblank); - 24Khz monitor isn't supported, it changes the resolution to 648 x 480 and changes the register 9 (raster lines x character lines) from 7 to 0xf. - sound (I've heard something reasonable during tests, so it could be OK); ================================================================================ 'Hit Poker'? cpu hd46505SP (HD6845SP) <- ha, ha, ha... --" other : ZC407615CFN (infralink) chrystal : no idea ram km6264BL X3 TMM 2018 X2 DALLAS REAL TIME CLK DS17487-5 SOUND YM2149F DIP 1X4 ============================================================================ Some debug tricks (let's test this CPU as more as possible): - set a bp at 1185, the "bad crc 000" msg is caused by this routine. (kludged to work) - set a bp at 121f then pc=1223 - set a bp at 3a50 then pc+=2, it should now enter into attract mode ***************************************************************************/ #include "emu.h" #include "cpu/mc68hc11/mc68hc11.h" #include "sound/ay8910.h" #include "video/mc6845.h" #include "machine/nvram.h" class hitpoker_state : public driver_device { public: hitpoker_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_sys_regs(*this, "sys_regs") { } required_shared_ptr m_sys_regs; UINT8 m_pic_data; UINT8 *m_videoram; UINT8 *m_paletteram; UINT8 *m_colorram; UINT8 m_eeprom_data[0x1000]; UINT16 m_eeprom_index; DECLARE_READ8_MEMBER(hitpoker_vram_r); DECLARE_WRITE8_MEMBER(hitpoker_vram_w); DECLARE_READ8_MEMBER(hitpoker_cram_r); DECLARE_WRITE8_MEMBER(hitpoker_cram_w); DECLARE_READ8_MEMBER(hitpoker_paletteram_r); DECLARE_WRITE8_MEMBER(hitpoker_paletteram_w); DECLARE_READ8_MEMBER(rtc_r); DECLARE_WRITE8_MEMBER(eeprom_offset_w); DECLARE_WRITE8_MEMBER(eeprom_w); DECLARE_READ8_MEMBER(eeprom_r); DECLARE_READ8_MEMBER(hitpoker_pic_r); DECLARE_WRITE8_MEMBER(hitpoker_pic_w); DECLARE_READ8_MEMBER(test_r); DECLARE_DRIVER_INIT(hitpoker); virtual void video_start(); UINT32 screen_update_hitpoker(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(hitpoker_irq); }; #define CRTC_CLOCK XTAL_3_579545MHz void hitpoker_state::video_start() { m_videoram = auto_alloc_array(machine(), UINT8, 0x35ff); m_paletteram = auto_alloc_array(machine(), UINT8, 0x1000); m_colorram = auto_alloc_array(machine(), UINT8, 0x2000); } UINT32 hitpoker_state::screen_update_hitpoker(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int count = 0; int y,x; bitmap.fill(0, cliprect); for (y=0;y<31;y++) { for (x=0;x<81;x++) //it's probably 80 + 1 global line attribute at the start of each line { int tile,color,gfx_bpp; tile = (((m_videoram[count]<<8)|(m_videoram[count+1])) & 0x3fff); gfx_bpp = (m_colorram[count] & 0x80)>>7; //flag between 4 and 8 bpp color = gfx_bpp ? ((m_colorram[count] & 0x70)>>4) : (m_colorram[count] & 0xf); drawgfx_opaque(bitmap,cliprect,machine().gfx[gfx_bpp],tile,color,0,0,x*8,y*8); count+=2; } } return 0; } READ8_MEMBER(hitpoker_state::hitpoker_vram_r) { UINT8 *ROM = memregion("maincpu")->base(); if(m_pic_data & 0x10) return m_videoram[offset]; else return ROM[offset+0x8000]; } WRITE8_MEMBER(hitpoker_state::hitpoker_vram_w) { // UINT8 *ROM = memregion("maincpu")->base(); // if(m_sys_regs[0x00] & 0x10) m_videoram[offset] = data; } READ8_MEMBER(hitpoker_state::hitpoker_cram_r) { UINT8 *ROM = memregion("maincpu")->base(); if(m_pic_data & 0x10) return m_colorram[offset]; else return ROM[offset+0xc000]; } WRITE8_MEMBER(hitpoker_state::hitpoker_cram_w) { m_colorram[offset] = data; } READ8_MEMBER(hitpoker_state::hitpoker_paletteram_r) { UINT8 *ROM = memregion("maincpu")->base(); if(m_pic_data & 0x10) return m_paletteram[offset]; else return ROM[offset+0xe000]; } WRITE8_MEMBER(hitpoker_state::hitpoker_paletteram_w) { int r,g,b,datax; m_paletteram[offset] = data; offset>>=1; datax=256*m_paletteram[offset*2]+m_paletteram[offset*2+1]; /* RGB565 */ b = ((datax)&0xf800)>>11; g = ((datax)&0x07e0)>>5; r = ((datax)&0x001f)>>0; palette_set_color_rgb(machine(), offset, pal5bit(r), pal6bit(g), pal5bit(b)); } READ8_MEMBER(hitpoker_state::rtc_r) { return 0x80; //kludge it for now } /* tests 0x180, what EEPROM is this one??? it seems to access up to 4KB */ WRITE8_MEMBER(hitpoker_state::eeprom_offset_w) { if (offset == 0) m_eeprom_index = (m_eeprom_index & 0xf00) | (data & 0xff); else m_eeprom_index = (m_eeprom_index & 0x0ff) | (data << 8 & 0xf00); } WRITE8_MEMBER(hitpoker_state::eeprom_w) { // is 0xbe53 the right address? m_eeprom_data[m_eeprom_index] = data; } READ8_MEMBER(hitpoker_state::eeprom_r) { /*** hack to make it boot ***/ int ret = ((m_eeprom_index & 0x1f) == 0x1f) ? 1 : 0; m_eeprom_index++; return ret; /*** ***/ return m_eeprom_data[m_eeprom_index & 0xfff]; } READ8_MEMBER(hitpoker_state::hitpoker_pic_r) { // logerror("R\n"); if(offset == 0) { if(space.device().safe_pc() == 0x3143 || space.device().safe_pc() == 0x314e || space.device().safe_pc() == 0x3164 || space.device().safe_pc() == 0x3179) return m_pic_data; return (m_pic_data & 0x7f) | (m_pic_data & 0x40 ? 0x80 : 0x00); } return m_sys_regs[offset]; } WRITE8_MEMBER(hitpoker_state::hitpoker_pic_w) { if(offset == 0) m_pic_data = (data & 0xff);// | (data & 0x40) ? 0x80 : 0x00; // logerror("%02x W\n",data); m_sys_regs[offset] = data; } #if 0 READ8_MEMBER(hitpoker_state::test_r) { return machine().rand(); } #endif /* overlap empty rom addresses */ static ADDRESS_MAP_START( hitpoker_map, AS_PROGRAM, 8, hitpoker_state ) AM_RANGE(0x0000, 0x00ff) AM_RAM // stack ram AM_RANGE(0x1000, 0x103f) AM_RAM // internal I/O AM_RANGE(0x8000, 0xb5ff) AM_READWRITE(hitpoker_vram_r,hitpoker_vram_w) AM_RANGE(0xb600, 0xbdff) AM_RAM AM_RANGE(0xbe0a, 0xbe0a) AM_READ_PORT("IN0") AM_RANGE(0xbe0c, 0xbe0c) AM_READ_PORT("IN2") //irq ack? AM_RANGE(0xbe0d, 0xbe0d) AM_READ(rtc_r) AM_RANGE(0xbe0e, 0xbe0e) AM_READ_PORT("IN1") AM_RANGE(0xbe50, 0xbe51) AM_WRITE(eeprom_offset_w) AM_RANGE(0xbe53, 0xbe53) AM_READWRITE(eeprom_r, eeprom_w) AM_RANGE(0xbe80, 0xbe80) AM_DEVWRITE("crtc", mc6845_device, address_w) AM_RANGE(0xbe81, 0xbe81) AM_DEVWRITE("crtc", mc6845_device, register_w) AM_RANGE(0xbe90, 0xbe91) AM_DEVREADWRITE_LEGACY("aysnd", ay8910_r,ay8910_address_data_w) AM_RANGE(0xbea0, 0xbea0) AM_READ_PORT("VBLANK") //probably other bits as well // AM_RANGE(0xbe00, 0xbeff) AM_READ(test_r) AM_RANGE(0xc000, 0xdfff) AM_READWRITE(hitpoker_cram_r,hitpoker_cram_w) AM_RANGE(0xe000, 0xefff) AM_READWRITE(hitpoker_paletteram_r,hitpoker_paletteram_w) AM_RANGE(0x0000, 0xbdff) AM_ROM AM_RANGE(0xbf00, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( hitpoker_io, AS_IO, 8, hitpoker_state ) AM_RANGE(MC68HC11_IO_PORTA, MC68HC11_IO_PORTA) AM_READWRITE(hitpoker_pic_r,hitpoker_pic_w) AM_SHARE("sys_regs") ADDRESS_MAP_END static INPUT_PORTS_START( hitpoker ) PORT_START("VBLANK") PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) //resets the game? 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 ) ) //"permanent ram initialized" if combined with the reset switch 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, "H-Blank" ) //scanline counter probably PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, "Monitor" ) //a JP probably PORT_DIPSETTING( 0x40, "15KHz" ) PORT_DIPSETTING( 0x00, "24KHz" ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") PORT_START("IN0") PORT_DIPNAME( 0x01, 0x01, "IN0" ) 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, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN1") PORT_DIPNAME( 0x01, 0x01, "IN1" ) 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, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("IN2") PORT_DIPNAME( 0x01, 0x01, "IN2" ) 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, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("DSW1") PORT_DIPNAME( 0x01, 0x01, "DSW1" ) 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, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("DSW2") PORT_DIPNAME( 0x01, 0x01, "DSW2" ) 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, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static const gfx_layout hitpoker_layout_4bpp = { 8,8, RGN_FRAC(1,1), 4, { 0,4,8,12 }, { 0,1,2,3,16,17,18,19 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, 8*32 }; static const gfx_layout hitpoker_layout_8bpp = { 8,8, RGN_FRAC(1,2), 8, { RGN_FRAC(1,2)+0,RGN_FRAC(1,2)+4,RGN_FRAC(1,2)+8,RGN_FRAC(1,2)+12,0,4,8,12 }, { 0,1,2,3,16,17,18,19 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, 8*32 }; static GFXDECODE_START( hitpoker ) GFXDECODE_ENTRY( "gfx1", 0, hitpoker_layout_4bpp, 0, 0x100 ) GFXDECODE_ENTRY( "gfx1", 0, hitpoker_layout_8bpp, 0, 8 ) GFXDECODE_END static MC6845_INTERFACE( mc6845_intf ) { "screen", /* screen we are acting on */ false, /* show border area */ 8, /* number of pixels per video memory address */ NULL, /* before pixel update callback */ NULL, /* row update callback */ NULL, /* after pixel update callback */ DEVCB_NULL, /* callback for display state changes */ DEVCB_NULL, /* callback for cursor state changes */ DEVCB_NULL, /* HSYNC callback */ DEVCB_NULL, /* VSYNC callback */ NULL /* update address callback */ }; static const ay8910_interface ay8910_config = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_INPUT_PORT("DSW1"), DEVCB_INPUT_PORT("DSW2"), DEVCB_NULL, DEVCB_NULL }; static const hc11_config hitpoker_config = { 0, //has extended internal I/O 0x100, //internal RAM size 0x01 //INIT defaults to 0x01 }; INTERRUPT_GEN_MEMBER(hitpoker_state::hitpoker_irq) { device.execute().set_input_line(MC68HC11_IRQ_LINE, HOLD_LINE); } static MACHINE_CONFIG_START( hitpoker, hitpoker_state ) MCFG_CPU_ADD("maincpu", MC68HC11,1000000) MCFG_CPU_PROGRAM_MAP(hitpoker_map) MCFG_CPU_IO_MAP(hitpoker_io) MCFG_CPU_CONFIG(hitpoker_config) MCFG_CPU_VBLANK_INT_DRIVER("screen", hitpoker_state, hitpoker_irq) MCFG_NVRAM_ADD_0FILL("nvram") /* 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(648, 480) //setted by the CRTC MCFG_SCREEN_VISIBLE_AREA(0, 648-1, 0, 240-1) MCFG_SCREEN_UPDATE_DRIVER(hitpoker_state, screen_update_hitpoker) MCFG_MC6845_ADD("crtc", H46505, CRTC_CLOCK/2, mc6845_intf) /* hand tuned to get ~60 fps */ MCFG_GFXDECODE(hitpoker) MCFG_PALETTE_LENGTH(0x800) MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("aysnd", YM2149, 1500000) MCFG_SOUND_CONFIG(ay8910_config) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_CONFIG_END DRIVER_INIT_MEMBER(hitpoker_state,hitpoker) { UINT8 *ROM = machine().root_device().memregion("maincpu")->base(); // init nvram machine().device("nvram")->set_base(m_eeprom_data, sizeof(m_eeprom_data)); ROM[0x1220] = 0x01; //patch eeprom write? ROM[0x1221] = 0x01; ROM[0x1222] = 0x01; ROM[0x10c6] = 0x01; ROM[0x10c7] = 0x01; //patch the checksum routine } ROM_START( hitpoker ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "u4.bin", 0x00000, 0x10000, CRC(0016497a) SHA1(017320bfe05fea8a48e26a66c0412415846cee7c) ) ROM_REGION( 0x10000, "pic", 0 ) ROM_LOAD( "pic", 0x00000, 0x1000, NO_DUMP ) // unknown type ROM_REGION( 0x100000, "gfx1", 0 ) // tile 0x4c8 seems to contain something non-gfx related, could be tilemap / colour data, check! ROM_LOAD16_BYTE( "u42.bin", 0x00001, 0x40000, CRC(cbe56fec) SHA1(129bfd10243eaa7fb6a087f96de90228e6030353) ) ROM_LOAD16_BYTE( "u43.bin", 0x00000, 0x40000, CRC(6c0d4283) SHA1(04a4fd82f5cc0ed9f548e490ac67d287227073c3) ) ROM_LOAD16_BYTE( "u44.bin", 0x80001, 0x40000, CRC(e23d5f30) SHA1(ca8855301528aa4eeff40cb820943b4268f8596e) ) // the 'adult images' are 8bpp ROM_LOAD16_BYTE( "u45.bin", 0x80000, 0x40000, CRC(e65b3e52) SHA1(c0c1a360a4a1823bf71c0a4105ff41f4102862e8) ) // the first part of these 2 is almost empty as the standard gfx are 4bpp ROM_END GAME( 1997, hitpoker, 0, hitpoker, hitpoker, hitpoker_state, hitpoker, ROT0, "Accept Ltd.", "Hit Poker (Bulgaria)", GAME_NOT_WORKING )