diff options
Diffstat (limited to 'src/mame/drivers/raiden.c')
-rw-r--r-- | src/mame/drivers/raiden.c | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/src/mame/drivers/raiden.c b/src/mame/drivers/raiden.c new file mode 100644 index 00000000000..3280862f4c9 --- /dev/null +++ b/src/mame/drivers/raiden.c @@ -0,0 +1,528 @@ +/*************************************************************************** + + Raiden (c) 1990 Seibu Kaihatsu + Raiden (Alternate Hardware) (c) 1990 Seibu Kaihatsu + Raiden (Korean license) (c) 1990 Seibu Kaihatsu + Raiden (Taiwanese license) (c) 1990 Seibu Kaihatsu + + driver by Oliver Bergmann, Bryan McPhail, Randy Mongenel + + The alternate hardware version is probably earlier than the main set. + It looks closer to Dynamite Duke (1989 game), while the main set looks + closer to the newer 68000 games in terms of graphics registers used, etc. + + As well as different graphics registers the alternate set has a + different memory map, and different fix char layer memory layout! + + To access test mode, reset with both start buttons held. + + Coin inputs are handled by the sound CPU, so they don't work with sound + disabled. Just put the game in Free Play mode. + + The country byte is stored at 0xffffd in the main cpu region, + (that's 0x1fffe in program rom 4). + + 0x80 = World/Japan version? (Seibu Kaihatsu) + 0x81 = USA version (Fabtek license) + 0x82 = Taiwan version (Liang HWA Electronics license) + 0x83 = Hong Kong version (Wah Yan Electronics license) + 0x84 = Korean version (IBL Corporation license) + + There are also strings for Spanish, Greece, Mexico, Middle & + South America though it's not clear if they are used. + + Todo: add support for Coin Mode B + + One of the boards is SEI8904 with SEI9008 subboard. + +***************************************************************************/ + +#include "driver.h" +#include "cpu/z80/z80.h" +#include "audio/seibu.h" +#include "sound/3812intf.h" +#include "sound/okim6295.h" + +WRITE16_HANDLER( raiden_background_w ); +WRITE16_HANDLER( raiden_foreground_w ); +WRITE16_HANDLER( raiden_text_w ); +VIDEO_START( raiden ); +VIDEO_START( raidena ); +WRITE16_HANDLER( raiden_control_w ); +VIDEO_UPDATE( raiden ); + +static UINT16 *raiden_shared_ram; +extern UINT16 *raiden_back_data,*raiden_fore_data,*raiden_scroll_ram; + +/******************************************************************************/ + +static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x00000, 0x06fff) AM_RAM + AM_RANGE(0x07000, 0x07fff) AM_RAM AM_BASE(&spriteram16) AM_SIZE(&spriteram_size) + AM_RANGE(0x0a000, 0x0afff) AM_RAM AM_SHARE(1) AM_BASE(&raiden_shared_ram) + AM_RANGE(0x0b000, 0x0b001) AM_READ(input_port_1_word_r) + AM_RANGE(0x0b002, 0x0b003) AM_READ(input_port_2_word_r) + AM_RANGE(0x0b000, 0x0b007) AM_WRITE(raiden_control_w) + AM_RANGE(0x0c000, 0x0c7ff) AM_WRITE(raiden_text_w) AM_BASE(&videoram16) + AM_RANGE(0x0d000, 0x0d00d) AM_READWRITE(seibu_main_word_r, seibu_main_word_w) + AM_RANGE(0x0d060, 0x0d067) AM_WRITE(MWA16_RAM) AM_BASE(&raiden_scroll_ram) + AM_RANGE(0xa0000, 0xfffff) AM_ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sub_map, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x00000, 0x01fff) AM_RAM + AM_RANGE(0x02000, 0x027ff) AM_READWRITE(MRA16_RAM, raiden_background_w) AM_BASE(&raiden_back_data) + AM_RANGE(0x02800, 0x02fff) AM_READWRITE(MRA16_RAM, raiden_foreground_w) AM_BASE(&raiden_fore_data) + AM_RANGE(0x03000, 0x03fff) AM_READWRITE(MRA16_RAM, paletteram16_xxxxBBBBGGGGRRRR_word_w) AM_BASE(&paletteram16) + AM_RANGE(0x04000, 0x04fff) AM_RAM AM_SHARE(1) + AM_RANGE(0x07ffe, 0x0afff) AM_WRITE(MWA16_NOP) + AM_RANGE(0xc0000, 0xfffff) AM_ROM +ADDRESS_MAP_END + +/************************* Alternate board set ************************/ + +static ADDRESS_MAP_START( alt_map, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x00000, 0x06fff) AM_RAM + AM_RANGE(0x07000, 0x07fff) AM_RAM AM_BASE(&spriteram16) AM_SIZE(&spriteram_size) + AM_RANGE(0x08000, 0x08fff) AM_RAM AM_SHARE(1) AM_BASE(&raiden_shared_ram) + AM_RANGE(0x0a000, 0x0a00d) AM_READWRITE(seibu_main_word_r, seibu_main_word_w) + AM_RANGE(0x0b000, 0x0b007) AM_WRITE(raiden_control_w) + AM_RANGE(0x0c000, 0x0c7ff) AM_WRITE(raiden_text_w) AM_BASE(&videoram16) + AM_RANGE(0x0e000, 0x0e001) AM_READ(input_port_1_word_r) + AM_RANGE(0x0e002, 0x0e003) AM_READ(input_port_2_word_r) + AM_RANGE(0x0f000, 0x0f035) AM_WRITE(MWA16_RAM) AM_BASE(&raiden_scroll_ram) + AM_RANGE(0xa0000, 0xfffff) AM_ROM +ADDRESS_MAP_END + +/******************************************************************************/ + +static INPUT_PORTS_START( raiden ) + SEIBU_COIN_INPUTS /* Must be port 0: coin inputs read through sound cpu */ + + PORT_START /* IN0 */ + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_START2 ) + + PORT_START /* Dip switch A */ + PORT_DIPNAME( 0x0001, 0x0001, "Coin Mode" ) + PORT_DIPSETTING( 0x0001, "A" ) + PORT_DIPSETTING( 0x0000, "B" ) + /* Coin Mode A */ + PORT_DIPNAME( 0x001e, 0x001e, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x0014, DEF_STR( 6C_1C ) ) + PORT_DIPSETTING( 0x0016, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x0018, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x001a, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x0002, DEF_STR( 8C_3C ) ) + PORT_DIPSETTING( 0x001c, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x0004, DEF_STR( 5C_3C ) ) + PORT_DIPSETTING( 0x0006, DEF_STR( 3C_2C ) ) + PORT_DIPSETTING( 0x001e, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x0008, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0x0012, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x0010, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x000e, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x000c, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x000a, DEF_STR( 1C_6C ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( Free_Play ) ) +/* PORT_DIPNAME( 0x0006, 0x0006, DEF_STR( Coin_A ) ) + PORT_DIPSETTING( 0x0000, "5C/1C or Free if Coin B too" ) + PORT_DIPSETTING( 0x0002, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x0004, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x0006, DEF_STR( 1C_1C ) ) + PORT_DIPNAME( 0x0018, 0x0018, DEF_STR( Coin_B ) ) + PORT_DIPSETTING( 0x0018, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x0010, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0008, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x0000, "1C/6C or Free if Coin A too" ) */ + PORT_DIPNAME( 0x0020, 0x0020, "Credits to Start" ) + PORT_DIPSETTING( 0x0020, "1" ) + PORT_DIPSETTING( 0x0000, "2" ) + PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unused ) ) + PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Flip_Screen ) ) + PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) + PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Lives ) ) + PORT_DIPSETTING( 0x0200, "1" ) + PORT_DIPSETTING( 0x0100, "2" ) + PORT_DIPSETTING( 0x0300, "3" ) + PORT_DIPSETTING( 0x0000, "5" ) + PORT_DIPNAME( 0x0c00, 0x0c00, DEF_STR( Bonus_Life ) ) + PORT_DIPSETTING( 0x0800, "80000 300000" ) + PORT_DIPSETTING( 0x0c00, "150000 400000" ) + PORT_DIPSETTING( 0x0400, "300000 1000000" ) + PORT_DIPSETTING( 0x0000, "1000000 5000000" ) + PORT_DIPNAME( 0x3000, 0x3000, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x2000, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x3000, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x1000, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( Very_Hard ) ) + PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Allow_Continue ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( No ) ) + PORT_DIPSETTING( 0x4000, DEF_STR( Yes ) ) + PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x0000, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x8000, DEF_STR( On ) ) +INPUT_PORTS_END + +/******************************************************************************/ + +static const gfx_layout raiden_charlayout = +{ + 8,8, /* 8*8 characters */ + 2048, /* 512 characters */ + 4, /* 4 bits per pixel */ + { 4,0,(0x08000*8)+4,0x08000*8 }, + { 0,1,2,3,8,9,10,11 }, + { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, + 128 +}; + +static const gfx_layout raiden_spritelayout = +{ + 16,16, /* 16*16 tiles */ + 4096, /* 2048*4 tiles */ + 4, /* 4 bits per pixel */ + { 12, 8, 4, 0 }, + { + 0,1,2,3, 16,17,18,19, + 512+0,512+1,512+2,512+3, + 512+8+8,512+9+8,512+10+8,512+11+8, + }, + { + 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32, + 8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32, + }, + 1024 +}; + +static GFXDECODE_START( raiden ) + GFXDECODE_ENTRY( REGION_GFX1, 0, raiden_charlayout, 768, 16 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, raiden_spritelayout, 0, 16 ) + GFXDECODE_ENTRY( REGION_GFX3, 0, raiden_spritelayout, 256, 16 ) + GFXDECODE_ENTRY( REGION_GFX4, 0, raiden_spritelayout, 512, 16 ) +GFXDECODE_END + +/******************************************************************************/ + +/* Parameters: YM3812 frequency, Oki frequency, Oki memory region */ +SEIBU_SOUND_SYSTEM_YM3812_HARDWARE + +static INTERRUPT_GEN( raiden_interrupt ) +{ + cpunum_set_input_line_and_vector(cpu_getactivecpu(), 0, HOLD_LINE, 0xc8/4); /* VBL */ +} + +static VIDEO_EOF( raiden ) +{ + buffer_spriteram16_w(0,0,0); /* Could be a memory location instead */ +} + +static MACHINE_DRIVER_START( raiden ) + + /* basic machine hardware */ + MDRV_CPU_ADD(V30,20000000/2) /* NEC V30 CPU, 20MHz */ + MDRV_CPU_PROGRAM_MAP(main_map,0) + MDRV_CPU_VBLANK_INT(raiden_interrupt,1) + + MDRV_CPU_ADD(V30,20000000/2) /* NEC V30 CPU, 20MHz */ + MDRV_CPU_PROGRAM_MAP(sub_map,0) + MDRV_CPU_VBLANK_INT(raiden_interrupt,1) + + SEIBU_SOUND_SYSTEM_CPU(14318180/4) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + MDRV_INTERLEAVE(200) + + MDRV_MACHINE_RESET(seibu_sound_2) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_BUFFERS_SPRITERAM) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + MDRV_GFXDECODE(raiden) + MDRV_PALETTE_LENGTH(2048) + + MDRV_VIDEO_START(raiden) + MDRV_VIDEO_EOF(raiden) + MDRV_VIDEO_UPDATE(raiden) + + /* sound hardware */ + SEIBU_SOUND_SYSTEM_YM3812_RAIDEN_INTERFACE(14318180/4,1320000,1) // frequency and pin 7 not verified (pin set in audio\seibu.h) +MACHINE_DRIVER_END + + +static MACHINE_DRIVER_START( raidena ) + + /* basic machine hardware */ + MDRV_CPU_ADD(V30,20000000/2) /* NEC V30 CPU, 20MHz */ + MDRV_CPU_PROGRAM_MAP(alt_map,0) + MDRV_CPU_VBLANK_INT(raiden_interrupt,1) + + MDRV_CPU_ADD(V30,20000000/2) /* NEC V30 CPU, 20MHz */ + MDRV_CPU_PROGRAM_MAP(sub_map,0) + MDRV_CPU_VBLANK_INT(raiden_interrupt,1) + + SEIBU_SOUND_SYSTEM_CPU(14318180/4) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + MDRV_INTERLEAVE(120) + + MDRV_MACHINE_RESET(seibu_sound_2) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER | VIDEO_BUFFERS_SPRITERAM) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + MDRV_GFXDECODE(raiden) + MDRV_PALETTE_LENGTH(2048) + + MDRV_VIDEO_START(raidena) + MDRV_VIDEO_EOF(raiden) + MDRV_VIDEO_UPDATE(raiden) + + /* sound hardware */ + SEIBU_SOUND_SYSTEM_YM3812_RAIDEN_INTERFACE(14318180/4,1320000,1) +MACHINE_DRIVER_END + +/***************************************************************************/ + +ROM_START( raiden ) + ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* v30 main cpu */ + ROM_LOAD16_BYTE( "rai1.bin", 0x0a0000, 0x10000, CRC(a4b12785) SHA1(446314e82ce01315cb3e3d1f323eaa2ad6fb48dd) ) + ROM_LOAD16_BYTE( "rai2.bin", 0x0a0001, 0x10000, CRC(17640bd5) SHA1(5bbc99900426b1a072b52537ae9a50220c378a0d) ) + ROM_LOAD16_BYTE( "rai3.bin", 0x0c0000, 0x20000, CRC(9d735bf5) SHA1(531981eac2ef0c0635f067a649899f98738d5c67) ) + ROM_LOAD16_BYTE( "rai4.bin", 0x0c0001, 0x20000, CRC(8d184b99) SHA1(71cd4179aa2341d2ceecbb6a9c26f5919d46ca4c) ) + + ROM_REGION( 0x100000, REGION_CPU2, 0 ) /* v30 sub cpu */ + ROM_LOAD16_BYTE( "rai5.bin", 0x0c0000, 0x20000, CRC(7aca6d61) SHA1(4d80ec87e54d7495b9bdf819b9985b1c8183c80d) ) + ROM_LOAD16_BYTE( "rai6a.bin", 0x0c0001, 0x20000, CRC(e3d35cc2) SHA1(4329865985aaf3fb524618e2e958563c8fa6ead5) ) + + ROM_REGION( 0x20000, REGION_CPU3, 0 ) /* 64k code for sound Z80 */ + ROM_LOAD( "rai6.bin", 0x000000, 0x08000, CRC(723a483b) SHA1(50e67945e83ea1748fb748de3287d26446d4e0a0) ) + ROM_CONTINUE( 0x010000, 0x08000 ) + ROM_COPY( REGION_CPU3, 0, 0x018000, 0x08000 ) + + ROM_REGION( 0x010000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "rai9.bin", 0x00000, 0x08000, CRC(1922b25e) SHA1(da27122dd1c43770e7385ad602ef397c64d2f754) ) /* chars */ + ROM_LOAD( "rai10.bin", 0x08000, 0x08000, CRC(5f90786a) SHA1(4f63b07c6afbcf5196a433f3356bef984fe303ef) ) + + ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0919.bin", 0x00000, 0x80000, CRC(da151f0b) SHA1(02682497caf5f058331f18c652471829fa08d54f) ) /* tiles */ + + ROM_REGION( 0x080000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0920.bin", 0x00000, 0x80000, CRC(ac1f57ac) SHA1(1de926a0db73b99904ef119ac816c53d1551156a) ) /* tiles */ + + ROM_REGION( 0x090000, REGION_GFX4, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu165.bin", 0x00000, 0x80000, CRC(946d7bde) SHA1(30e8755c2b1ca8bff6278710b8422b51f75eec10) ) /* sprites */ + + ROM_REGION( 0x10000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "rai7.bin", 0x00000, 0x10000, CRC(8f927822) SHA1(592f2719f2c448c3b4b239eeaec078b411e12dbb) ) + + ROM_REGION( 0x2000, REGION_PLDS, ROMREGION_DISPOSE ) + ROM_LOAD( "ep910pc-1.bin", 0x0000, 0x0884, NO_DUMP ) /* PAL is read protected */ + ROM_LOAD( "ep910pc-2.bin", 0x1000, 0x0884, NO_DUMP ) /* PAL is read protected */ +ROM_END + +ROM_START( raidena ) + ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* v30 main cpu */ + ROM_LOAD16_BYTE( "rai1.bin", 0x0a0000, 0x10000, CRC(a4b12785) SHA1(446314e82ce01315cb3e3d1f323eaa2ad6fb48dd) ) + ROM_LOAD16_BYTE( "rai2.bin", 0x0a0001, 0x10000, CRC(17640bd5) SHA1(5bbc99900426b1a072b52537ae9a50220c378a0d) ) + ROM_LOAD16_BYTE( "raiden03.rom", 0x0c0000, 0x20000, CRC(f6af09d0) SHA1(ecd49f3351359ea2d5cbd140c9962d45c5544ecd) ) + ROM_LOAD16_BYTE( "raiden04.rom", 0x0c0001, 0x20000, CRC(6bdfd416) SHA1(7c3692d0c46c0fd360b9b2b5a8dc55d9217be357) ) + + ROM_REGION( 0x100000, REGION_CPU2, 0 ) /* v30 sub cpu */ + ROM_LOAD16_BYTE( "raiden05.rom", 0x0c0000, 0x20000, CRC(ed03562e) SHA1(bf6b44fb53fa2321cd52c00fcb43b8ceb6ceffff) ) + ROM_LOAD16_BYTE( "raiden06.rom", 0x0c0001, 0x20000, CRC(a19d5b5d) SHA1(aa5e5be60b737913e5677f88ebc218302245e5af) ) + + ROM_REGION( 0x20000, REGION_CPU3, 0 ) /* 64k code for sound Z80 */ + ROM_LOAD( "raiden08.rom", 0x000000, 0x08000, CRC(731adb43) SHA1(d460ffc5dbec25482c695e6c4ac7b66655a67304) ) + ROM_CONTINUE( 0x010000, 0x08000 ) + ROM_COPY( REGION_CPU3, 0, 0x018000, 0x08000 ) + + ROM_REGION( 0x010000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "rai9.bin", 0x00000, 0x08000, CRC(1922b25e) SHA1(da27122dd1c43770e7385ad602ef397c64d2f754) ) /* chars */ + ROM_LOAD( "rai10.bin", 0x08000, 0x08000, CRC(5f90786a) SHA1(4f63b07c6afbcf5196a433f3356bef984fe303ef) ) + + ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0919.bin", 0x00000, 0x80000, CRC(da151f0b) SHA1(02682497caf5f058331f18c652471829fa08d54f) ) /* tiles */ + + ROM_REGION( 0x080000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0920.bin", 0x00000, 0x80000, CRC(ac1f57ac) SHA1(1de926a0db73b99904ef119ac816c53d1551156a) ) /* tiles */ + + ROM_REGION( 0x090000, REGION_GFX4, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu165.bin", 0x00000, 0x80000, CRC(946d7bde) SHA1(30e8755c2b1ca8bff6278710b8422b51f75eec10) ) /* sprites */ + + ROM_REGION( 0x10000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "rai7.bin", 0x00000, 0x10000, CRC(8f927822) SHA1(592f2719f2c448c3b4b239eeaec078b411e12dbb) ) +ROM_END + +ROM_START( raidenk ) + ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* v30 main cpu */ + ROM_LOAD16_BYTE( "rai1.bin", 0x0a0000, 0x10000, CRC(a4b12785) SHA1(446314e82ce01315cb3e3d1f323eaa2ad6fb48dd) ) + ROM_LOAD16_BYTE( "rai2.bin", 0x0a0001, 0x10000, CRC(17640bd5) SHA1(5bbc99900426b1a072b52537ae9a50220c378a0d) ) + ROM_LOAD16_BYTE( "raiden03.rom", 0x0c0000, 0x20000, CRC(f6af09d0) SHA1(ecd49f3351359ea2d5cbd140c9962d45c5544ecd) ) + ROM_LOAD16_BYTE( "1i", 0x0c0001, 0x20000, CRC(fddf24da) SHA1(ececed0b0b96d070d85bfb6174029142bc96d5f0) ) + + ROM_REGION( 0x100000, REGION_CPU2, 0 ) /* v30 sub cpu */ + ROM_LOAD16_BYTE( "raiden05.rom", 0x0c0000, 0x20000, CRC(ed03562e) SHA1(bf6b44fb53fa2321cd52c00fcb43b8ceb6ceffff) ) + ROM_LOAD16_BYTE( "raiden06.rom", 0x0c0001, 0x20000, CRC(a19d5b5d) SHA1(aa5e5be60b737913e5677f88ebc218302245e5af) ) + + ROM_REGION( 0x20000, REGION_CPU3, 0 ) /* 64k code for sound Z80 */ + ROM_LOAD( "8b", 0x000000, 0x08000, CRC(99ee7505) SHA1(b97c8ee5e26e8554b5de506fba3b32cc2fde53c9) ) + ROM_CONTINUE( 0x010000, 0x08000 ) + ROM_COPY( REGION_CPU3, 0, 0x018000, 0x08000 ) + + ROM_REGION( 0x010000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "rai9.bin", 0x00000, 0x08000, CRC(1922b25e) SHA1(da27122dd1c43770e7385ad602ef397c64d2f754) ) /* chars */ + ROM_LOAD( "rai10.bin", 0x08000, 0x08000, CRC(5f90786a) SHA1(4f63b07c6afbcf5196a433f3356bef984fe303ef) ) + + ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0919.bin", 0x00000, 0x80000, CRC(da151f0b) SHA1(02682497caf5f058331f18c652471829fa08d54f) ) /* tiles */ + + ROM_REGION( 0x080000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0920.bin", 0x00000, 0x80000, CRC(ac1f57ac) SHA1(1de926a0db73b99904ef119ac816c53d1551156a) ) /* tiles */ + + ROM_REGION( 0x090000, REGION_GFX4, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu165.bin", 0x00000, 0x80000, CRC(946d7bde) SHA1(30e8755c2b1ca8bff6278710b8422b51f75eec10) ) /* sprites */ + + ROM_REGION( 0x10000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "rai7.bin", 0x00000, 0x10000, CRC(8f927822) SHA1(592f2719f2c448c3b4b239eeaec078b411e12dbb) ) +ROM_END + +ROM_START( raident ) + ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* v30 main cpu */ + ROM_LOAD16_BYTE( "rai1.bin", 0x0a0000, 0x10000, CRC(a4b12785) SHA1(446314e82ce01315cb3e3d1f323eaa2ad6fb48dd) ) + ROM_LOAD16_BYTE( "rai2.bin", 0x0a0001, 0x10000, CRC(17640bd5) SHA1(5bbc99900426b1a072b52537ae9a50220c378a0d) ) + ROM_LOAD16_BYTE( "raiden03.rom", 0x0c0000, 0x20000, CRC(f6af09d0) SHA1(ecd49f3351359ea2d5cbd140c9962d45c5544ecd) ) + ROM_LOAD16_BYTE( "raid04t.023", 0x0c0001, 0x20000, CRC(61eefab1) SHA1(a886ce1eb1c6451b1cf9eb8dbdc2d484d9881ced) ) + + ROM_REGION( 0x100000, REGION_CPU2, 0 ) /* v30 sub cpu */ + ROM_LOAD16_BYTE( "raiden05.rom", 0x0c0000, 0x20000, CRC(ed03562e) SHA1(bf6b44fb53fa2321cd52c00fcb43b8ceb6ceffff) ) + ROM_LOAD16_BYTE( "raiden06.rom", 0x0c0001, 0x20000, CRC(a19d5b5d) SHA1(aa5e5be60b737913e5677f88ebc218302245e5af) ) + + ROM_REGION( 0x20000, REGION_CPU3, 0 ) /* 64k code for sound Z80 */ + ROM_LOAD( "raid08.212", 0x000000, 0x08000, CRC(cbe055c7) SHA1(34a06a541d059c621d87fdf41546c9d052a61963) ) + ROM_CONTINUE( 0x010000, 0x08000 ) + ROM_COPY( REGION_CPU3, 0, 0x018000, 0x08000 ) + + ROM_REGION( 0x010000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "rai9.bin", 0x00000, 0x08000, CRC(1922b25e) SHA1(da27122dd1c43770e7385ad602ef397c64d2f754) ) /* chars */ + ROM_LOAD( "rai10.bin", 0x08000, 0x08000, CRC(5f90786a) SHA1(4f63b07c6afbcf5196a433f3356bef984fe303ef) ) + + ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0919.bin", 0x00000, 0x80000, CRC(da151f0b) SHA1(02682497caf5f058331f18c652471829fa08d54f) ) /* tiles */ + + ROM_REGION( 0x080000, REGION_GFX3, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu0920.bin", 0x00000, 0x80000, CRC(ac1f57ac) SHA1(1de926a0db73b99904ef119ac816c53d1551156a) ) /* tiles */ + + ROM_REGION( 0x090000, REGION_GFX4, ROMREGION_DISPOSE ) + ROM_LOAD( "raiu165.bin", 0x00000, 0x80000, CRC(946d7bde) SHA1(30e8755c2b1ca8bff6278710b8422b51f75eec10) ) /* sprites */ + + ROM_REGION( 0x10000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "rai7.bin", 0x00000, 0x10000, CRC(8f927822) SHA1(592f2719f2c448c3b4b239eeaec078b411e12dbb) ) +ROM_END + +/***************************************************************************/ + +/* Spin the sub-cpu if it is waiting on the master cpu */ +static READ16_HANDLER( sub_cpu_spin_r ) +{ + int pc=activecpu_get_pc(); + int ret=raiden_shared_ram[0x4]; + + if (pc==0xfcde6 && ret!=0x40) + cpu_spin(); + + return ret; +} + +static READ16_HANDLER( sub_cpu_spina_r ) +{ + int pc=activecpu_get_pc(); + int ret=raiden_shared_ram[0x4]; + + if (pc==0xfcde8 && ret!=0x40) + cpu_spin(); + + return ret; +} + +static DRIVER_INIT( raiden ) +{ + memory_install_read16_handler(1, ADDRESS_SPACE_PROGRAM, 0x4008, 0x4009, 0, 0, sub_cpu_spin_r); +} + +static void memory_patcha(void) +{ + memory_install_read16_handler(1, ADDRESS_SPACE_PROGRAM, 0x4008, 0x4009, 0, 0, sub_cpu_spina_r); +} + +/* This is based on code by Niclas Karlsson Mate, who figured out the +encryption method! The technique is a combination of a XOR table plus +bit-swapping */ +static void common_decrypt(void) +{ + UINT16 *RAM = (UINT16 *)memory_region(REGION_CPU1); + int i; + + for (i = 0; i < 0x20000; i++) + { + static const UINT16 xor_table[] = { 0x200e,0x0006,0x000a,0x0002,0x240e,0x000e,0x04c2,0x00c2,0x008c,0x0004,0x0088,0x0000,0x048c,0x000c,0x04c0,0x00c0 }; + UINT16 data = RAM[0xc0000/2 + i]; + data ^= xor_table[i & 0x0f]; + data = BITSWAP16(data, 15,14,10,12,11,13,9,8,3,2,5,4,7,1,6,0); + RAM[0xc0000/2 + i] = data; + } + + RAM = (UINT16 *)memory_region(REGION_CPU2); + + for (i = 0; i < 0x20000; i++) + { + static const UINT16 xor_table[] = { 0x0080,0x0080,0x0244,0x0288,0x0288,0x0288,0x1041,0x1009 }; + UINT16 data = RAM[0xc0000/2 + i]; + data ^= xor_table[i & 0x07]; + data = BITSWAP16(data, 15,14,13,9,11,10,12,8,2,0,5,4,7,3,1,6); + RAM[0xc0000/2 + i] = data; + } +} + +static DRIVER_INIT( raidenk ) +{ + memory_patcha(); + common_decrypt(); +} + +static DRIVER_INIT( raidena ) +{ + memory_patcha(); + common_decrypt(); + seibu_sound_decrypt(REGION_CPU3,0x20000); +} + +/***************************************************************************/ + +GAME( 1990, raiden, 0, raiden, raiden, raiden, ROT270, "Seibu Kaihatsu", "Raiden", 0 ) +GAME( 1990, raidena, raiden, raidena, raiden, raidena, ROT270, "Seibu Kaihatsu", "Raiden (Alternate Hardware)", 0 ) +GAME( 1990, raidenk, raiden, raidena, raiden, raidenk, ROT270, "Seibu Kaihatsu (IBL Corporation license)", "Raiden (Korea)", 0 ) +GAME( 1990, raident, raiden, raidena, raiden, raidena, ROT270, "Seibu Kaihatsu (Liang HWA Electronics license)", "Raiden (Taiwan)", 0 ) |