diff options
Diffstat (limited to 'src/mame/drivers/sshangha.c')
-rw-r--r-- | src/mame/drivers/sshangha.c | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/src/mame/drivers/sshangha.c b/src/mame/drivers/sshangha.c new file mode 100644 index 00000000000..93ec2016e61 --- /dev/null +++ b/src/mame/drivers/sshangha.c @@ -0,0 +1,440 @@ +/*************************************************************************** + + Super Shanghai Dragon's Eye (c) 1992 Hot-B + + PCB is manufactured by either Hot-B or Taito, but uses Data East custom + chips. + + HB-PCB-A4 + M6100691A (distributed by Taito) + + CPU : 68000 + Sound: Z80B YM2203 Y3014 M6295 + OSC : 28.0000MHz 16.0000MHz + + The original uses a protection chip which isn't fully worked out yet. + Sound doesn't work. The bootleg never seems to write to a sound latch + (Not sure the bootleg even has the same sound hardware as the original). + + Emulation by Bryan McPhail, mish@tendril.co.uk + + +Stephh's notes (based on the games M68000 code and some tests) : + +0) all games + + - There is no confirmation yet that the "Demo Sounds" Dip Switch does + something as I don't see where bit 0 of 0xfec04a is tested 8( + + - The First "Unused" Dip Switch is probably used in other (older ?) versions + to act as a "Debug Mode" Dip Switch. When it's ON, you have these features : + + * there is an extended "test mode" that also allows you to test the + BG and Object ROMS via a menu. + * You can end a level by pressing BUTTON3 from player 2 8) + + - The "Adult Mode" Dip Switch determines if "Shanghai Paradise" is available. + - The "Quest Mode" Dip Switch determines if "Shanghai Quest" is available. + - The "Use Mahjong Tiles" Dip Switch only has an effect when playing + "Shanghai Advanced". + +1) 'sshangha' + + - There are writes to 0x100000-0x10000f (code from 0x000964 to 0x000a8c), + but their effect is unknown. + +2) 'sshanghb' + + - There are writes to 0x101000-0x10100f (code from 0x000964 to 0x000a8c), + but their effect is unknown. Note that the code is the SAME as the one + in 'sshangha' (only the 0x10?00? addresses are different). + +***************************************************************************/ + +#include "driver.h" +#include "sound/2203intf.h" +#include "sound/okim6295.h" + +#define SSHANGHA_HACK 0 + +VIDEO_START( sshangha ); +VIDEO_UPDATE( sshangha ); + +WRITE16_HANDLER( sshangha_pf2_data_w ); +WRITE16_HANDLER( sshangha_pf1_data_w ); +WRITE16_HANDLER( sshangha_control_0_w ); +WRITE16_HANDLER( sshangha_palette_24bit_w ); +WRITE16_HANDLER (sshangha_video_w); + +extern UINT16 *sshangha_pf1_data; +extern UINT16 *sshangha_pf2_data; +extern UINT16 *sshangha_pf1_rowscroll, *sshangha_pf2_rowscroll; + +static UINT16 *sshangha_prot_data; + +/******************************************************************************/ + +static WRITE16_HANDLER( sshangha_protection16_w ) +{ + COMBINE_DATA(&sshangha_prot_data[offset]); + + logerror("CPU #0 PC %06x: warning - write unmapped control address %06x %04x\n",activecpu_get_pc(),offset<<1,data); + + if (offset == (0x260 >> 1)) { + //soundlatch_w(0,data&0xff); + //cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE); + } +} + +static WRITE16_HANDLER( sshangha_sound_w ) +{ + soundlatch_w(0,data&0xff); + cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE); +} + +/* Protection/IO chip 146 */ +static READ16_HANDLER( sshangha_protection16_r ) +{ + switch (offset) + { + case 0x050 >> 1: /* Player 1 & Player 2 joysticks & fire buttons */ + return (readinputport(0) + (readinputport(1) << 8)); + case 0x76a >> 1: /* Credits */ + return readinputport(2); + case 0x0ac >> 1: /* DIPS */ + return (readinputport(3) + (readinputport(4) << 8)); + + // Protection TODO + } + + logerror("CPU #0 PC %06x: warning - read unmapped control address %06x\n",activecpu_get_pc(),offset<<1); + return sshangha_prot_data[offset]; +} + +static READ16_HANDLER( sshanghb_protection16_r ) +{ + switch (offset) + { + case 0x050 >> 1: /* Player 1 & Player 2 joysticks & fire buttons */ + return (readinputport(0) + (readinputport(1) << 8)); + case 0x76a >> 1: /* Credits */ + return readinputport(2); + case 0x0ac >> 1: /* DIPS */ + return (readinputport(3) + (readinputport(4) << 8)); + } + return sshangha_prot_data[offset]; +} + +/* Probably returns 0xffff when sprite DMA is complete, the game waits on it */ +static READ16_HANDLER( deco_71_r ) +{ + return 0xffff; +} + +/******************************************************************************/ + +static MACHINE_RESET( sshangha ) +{ + /* Such thing is needed as there is no code to turn the screen + to normal orientation when the game is reset. + I'm using the value that forces the screen to be in normal + orientation when entering the "test mode" + (check the game code from 0x0006b8 to 0x0006f0). + I can't tell however if this is accurate or not. */ + sshangha_control_0_w(0, 0x10, 0xff00); +} + +/******************************************************************************/ + +static ADDRESS_MAP_START( sshangha_readmem, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x000000, 0x03ffff) AM_READ(MRA16_ROM) + + AM_RANGE(0x084000, 0x0847ff) AM_READ(sshanghb_protection16_r) + AM_RANGE(0x101000, 0x101001) AM_READ(deco_71_r)//bootleg hack + + AM_RANGE(0x200000, 0x207fff) AM_READ(MRA16_RAM) + AM_RANGE(0x340000, 0x340fff) AM_READ(MRA16_RAM) + AM_RANGE(0x350000, 0x350001) AM_READ(deco_71_r) + AM_RANGE(0x360000, 0x360fff) AM_READ(MRA16_RAM) + AM_RANGE(0x370000, 0x370001) AM_READ(deco_71_r) + AM_RANGE(0x380000, 0x383fff) AM_READ(MRA16_RAM) + AM_RANGE(0xfec000, 0xff3fff) AM_READ(MRA16_RAM) + AM_RANGE(0xff4000, 0xff47ff) AM_READ(sshangha_protection16_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sshangha_writemem, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x000000, 0x03ffff) AM_WRITE(MWA16_ROM) + AM_RANGE(0x10000c, 0x10000d) AM_WRITE(sshangha_sound_w) + AM_RANGE(0x10100c, 0x10100d) AM_WRITE(sshangha_sound_w) /* the bootleg writes here */ + AM_RANGE(0x200000, 0x201fff) AM_WRITE(sshangha_pf1_data_w) AM_BASE(&sshangha_pf1_data) + AM_RANGE(0x202000, 0x203fff) AM_WRITE(sshangha_pf2_data_w) AM_BASE(&sshangha_pf2_data) + AM_RANGE(0x204000, 0x2047ff) AM_WRITE(MWA16_RAM) AM_BASE(&sshangha_pf1_rowscroll) + AM_RANGE(0x206000, 0x2067ff) AM_WRITE(MWA16_RAM) AM_BASE(&sshangha_pf2_rowscroll) + AM_RANGE(0x300000, 0x30000f) AM_WRITE(sshangha_control_0_w) + AM_RANGE(0x320000, 0x320001) AM_WRITE(sshangha_video_w) + AM_RANGE(0x320002, 0x320005) AM_WRITE(MWA16_NOP) + AM_RANGE(0x340000, 0x340fff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) + AM_RANGE(0x350000, 0x350007) AM_WRITE(MWA16_NOP) + AM_RANGE(0x360000, 0x360fff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16_2) + AM_RANGE(0x370000, 0x370007) AM_WRITE(MWA16_NOP) + AM_RANGE(0x380000, 0x383fff) AM_WRITE(sshangha_palette_24bit_w) AM_BASE(&paletteram16) + AM_RANGE(0x3c0000, 0x3c0fff) AM_WRITE(MWA16_RAM) /* Sprite ram buffer on bootleg only?? */ + AM_RANGE(0xfec000, 0xff3fff) AM_WRITE(MWA16_RAM) + AM_RANGE(0xff4000, 0xff47ff) AM_WRITE(sshangha_protection16_w) AM_BASE(&sshangha_prot_data) +ADDRESS_MAP_END + +/******************************************************************************/ + +static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0xc000, 0xc000) AM_READ(YM2203_status_port_0_r) + AM_RANGE(0xf800, 0xffff) AM_READ(MRA8_RAM) +// AM_RANGE(0xf800, 0xf800) AM_READ(soundlatch_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xc000, 0xc000) AM_WRITE(YM2203_control_port_0_w) + AM_RANGE(0xc001, 0xc001) AM_WRITE(YM2203_write_port_0_w) + AM_RANGE(0xf800, 0xffff) AM_WRITE(MWA8_RAM) +ADDRESS_MAP_END + +/******************************************************************************/ + +static INPUT_PORTS_START( sshangha ) + PORT_START_TAG("IN0") /* Player 1 controls (0xfec047.b) */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Pick Tile") + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Cancel") + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Help") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 ) + + PORT_START_TAG("IN1") /* Player 2 controls (0xfec046.b) */ + 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_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 Pick Tile") + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 Cancel") + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Help") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) + + PORT_START_TAG("IN2") /* Credits */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_VBLANK ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + /* Dips seem inverted with respect to other Deco games */ + + PORT_START_TAG("DSW1") /* Dip switch bank 1 (0xfec04a.b, inverted bits order) */ + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Demo_Sounds ) ) // To be confirmed + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x80, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_SERVICE( 0x20, IP_ACTIVE_LOW ) + PORT_DIPNAME( 0x10, 0x10, "Coin Mode" ) // Check code at 0x0010f2 + PORT_DIPSETTING( 0x10, "Mode 1" ) + PORT_DIPSETTING( 0x00, "Mode 2" ) + PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_A ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x00, DEF_STR( 2C_3C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x08, DEF_STR( 3C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_B ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x00, DEF_STR( 2C_3C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_EQUALS,0x10)//Mode 1 + PORT_DIPSETTING( 0x00, DEF_STR( 4C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x02, DEF_STR( 3C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + PORT_DIPSETTING( 0x01, DEF_STR( 1C_4C ) )PORT_CONDITION("DSW1",0x10,PORTCOND_NOTEQUALS,0x10)//Mode 2 + + PORT_START_TAG("DSW2") /* Dip switch bank 2 (0xfec04b.b, inverted bits order) */ + PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0xc0, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) ) +#if SSHANGHA_HACK + PORT_DIPNAME( 0x20, 0x20, "Debug Mode" ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +#else + PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW ) // See notes +#endif + PORT_DIPUNUSED( 0x10, IP_ACTIVE_LOW ) + PORT_DIPNAME( 0x08, 0x08, "Tile Animation" ) + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Yes ) ) + PORT_DIPNAME( 0x04, 0x04, "Use Mahjong Tiles" ) + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Yes ) ) + PORT_DIPNAME( 0x02, 0x02, "Adult Mode" ) + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Yes ) ) + PORT_DIPNAME( 0x01, 0x01, "Quest Mode" ) + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Yes ) ) +INPUT_PORTS_END + +/******************************************************************************/ + +static const gfx_layout charlayout = +{ + 8,8, /* 8*8 chars */ + 4096, + 4, /* 4 bits per pixel */ + { 8, 0, 0x100000*8+8,0x100000*8+0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, + 16*8 +}; + +static const gfx_layout tilelayout = +{ + 16,16, + RGN_FRAC(1,2), + 4, + { 8, 0, 0x100000*8+8, 0x100000*8+0 }, + { 32*8+0, 32*8+1, 32*8+2, 32*8+3, 32*8+4, 32*8+5, 32*8+6, 32*8+7, + 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, + 8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, + 64*8 +}; + +static GFXDECODE_START( sshangha ) + GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 256, 64 ) /* Characters 8x8 */ + GFXDECODE_ENTRY( REGION_GFX1, 0, tilelayout, 256, 64 ) /* Tiles 16x16 */ + GFXDECODE_ENTRY( REGION_GFX2, 0, tilelayout, 0, 32 ) /* Sprites 16x16 */ +GFXDECODE_END + +/******************************************************************************/ + +static void irqhandler(int state) +{ + cpunum_set_input_line(1,0,state); +} + +static struct YM2203interface ym2203_interface = +{ + 0,0,0,0,irqhandler +}; + +static MACHINE_DRIVER_START( sshangha ) + + /* basic machine hardware */ + MDRV_CPU_ADD(M68000, 28000000/2) + MDRV_CPU_PROGRAM_MAP(sshangha_readmem,sshangha_writemem) + MDRV_CPU_VBLANK_INT(irq6_line_hold,1) + + MDRV_CPU_ADD(Z80, 16000000/4) + /* audio CPU */ + MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(529)) + MDRV_MACHINE_RESET(sshangha) /* init machine */ + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER /*| VIDEO_BUFFERS_SPRITERAM*/) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(40*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 1*8, 31*8-1) + MDRV_GFXDECODE(sshangha) + MDRV_PALETTE_LENGTH(4096) + + MDRV_VIDEO_START(sshangha) + MDRV_VIDEO_UPDATE(sshangha) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_STEREO("left", "right") + + MDRV_SOUND_ADD(YM2203, 16000000/4) + MDRV_SOUND_CONFIG(ym2203_interface) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.60) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.60) + + MDRV_SOUND_ADD(OKIM6295, 1023924) + MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.50) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.50) +MACHINE_DRIVER_END + +/******************************************************************************/ + +ROM_START( sshangha ) + ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 68000 code */ + ROM_LOAD16_BYTE( "ss007-1.u28", 0x00000, 0x20000, CRC(bc466edf) SHA1(b96525b2c879d15b46a7753fa6ebf12a851cd019) ) + ROM_LOAD16_BYTE( "ss006-1.u27", 0x00001, 0x20000, CRC(872a2a2d) SHA1(42d7a01465d5c403354aaf0f2dab8adb9afe61b0) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Sound CPU */ + ROM_LOAD( "ss008.u82", 0x000000, 0x010000, CRC(04dc3647) SHA1(c06a7e8932c03de5759a9b69da0d761006b49517) ) + + ROM_REGION( 0x200000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "ss001.u8", 0x000000, 0x100000, CRC(ebeca5b7) SHA1(1746e757ad9bbef2aa9028c54f25d4aa4dedf79e) ) + ROM_LOAD( "ss002.u7", 0x100000, 0x100000, CRC(67659f29) SHA1(50944877665b7b848b3f7063892bd39a96a847cf) ) + + ROM_REGION( 0x200000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "ss003.u39", 0x000000, 0x100000, CRC(fbecde72) SHA1(2fe32b28e77ec390c534d276261eefac3fbe21fd) ) /* Copy of rom at u47 */ + ROM_LOAD( "ss004.u37", 0x100000, 0x100000, CRC(98b82c5e) SHA1(af1b52d4b36b1776c148478b5a5581e6a57256b8) ) /* Copy of rom at u46 */ + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "ss005.u86", 0x000000, 0x040000, CRC(c53a82ad) SHA1(756e453c8b5ce8e47f93fbda3a9e48bb73e93e2e) ) +ROM_END + +ROM_START( sshanghb ) + ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 68000 code */ + ROM_LOAD16_BYTE( "sshanb_2.010", 0x00000, 0x20000, CRC(bc7ed254) SHA1(aeee4b8a8265902bb41575cc143738ecf3aff57d) ) + ROM_LOAD16_BYTE( "sshanb_1.010", 0x00001, 0x20000, CRC(7b049f49) SHA1(2570077c67dbd35053d475a18c3f10813bf914f7) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Sound CPU */ + ROM_LOAD( "ss008.u82", 0x000000, 0x010000, CRC(04dc3647) SHA1(c06a7e8932c03de5759a9b69da0d761006b49517) ) + + ROM_REGION( 0x200000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "ss001.u8", 0x000000, 0x100000, CRC(ebeca5b7) SHA1(1746e757ad9bbef2aa9028c54f25d4aa4dedf79e) ) + ROM_LOAD( "ss002.u7", 0x100000, 0x100000, CRC(67659f29) SHA1(50944877665b7b848b3f7063892bd39a96a847cf) ) + + ROM_REGION( 0x200000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "ss003.u39", 0x000000, 0x100000, CRC(fbecde72) SHA1(2fe32b28e77ec390c534d276261eefac3fbe21fd) ) /* Copy of rom at u47 */ + ROM_LOAD( "ss004.u37", 0x100000, 0x100000, CRC(98b82c5e) SHA1(af1b52d4b36b1776c148478b5a5581e6a57256b8) ) /* Copy of rom at u46 */ + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "ss005.u86", 0x000000, 0x040000, CRC(c53a82ad) SHA1(756e453c8b5ce8e47f93fbda3a9e48bb73e93e2e) ) +ROM_END + + +static DRIVER_INIT( sshangha ) +{ +#if SSHANGHA_HACK + /* This is a hack to allow you to use the extra features + of the first "Unused" Dip Switch (see notes above). */ + UINT16 *RAM = (UINT16 *)memory_region(REGION_CPU1); + RAM[0x000384/2] = 0x4e71; + RAM[0x000386/2] = 0x4e71; + RAM[0x000388/2] = 0x4e71; + RAM[0x00038a/2] = 0x4e71; + /* To avoid checksum error (only useful for 'sshangha') */ + RAM[0x000428/2] = 0x4e71; + RAM[0x00042a/2] = 0x4e71; +#endif +} + + +GAME( 1992, sshangha, 0, sshangha, sshangha, sshangha, ROT0, "Hot-B.", "Super Shanghai Dragon's Eye (Japan)", GAME_UNEMULATED_PROTECTION | GAME_NO_SOUND ) +GAME( 1992, sshanghb, sshangha, sshangha, sshangha, sshangha, ROT0, "bootleg", "Super Shanghai Dragon's Eye (World, bootleg)", GAME_NO_SOUND ) |