/*************************************************************************** Dambusters (c) 1981 South West Research Ltd. (Bristol, UK) Reverse-engineering and MAME Driver by Norbert Kehrer (August 2006) 2008-08 Dip locations verified with manual ***************************************************************************/ #include "driver.h" #include "cpu/z80/z80.h" #include "includes/galaxian.h" #include "galaxold.h" static int noise_data = 0; static WRITE8_HANDLER( dambustr_noise_enable_w ) { if (data != noise_data) { noise_data = data; galaxian_noise_enable_w(space, offset, data); } } static ADDRESS_MAP_START( dambustr_readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_READ(SMH_ROM) AM_RANGE(0xc000, 0xc7ff) AM_READ(SMH_RAM) AM_RANGE(0xd000, 0xd3ff) AM_READ(SMH_RAM) AM_RANGE(0xd400, 0xd7ff) AM_READ(galaxold_videoram_r) AM_RANGE(0xd800, 0xd8ff) AM_READ(SMH_RAM) AM_RANGE(0xe000, 0xe000) AM_READ_PORT("IN0") AM_RANGE(0xe800, 0xefff) AM_READ_PORT("IN1") AM_RANGE(0xf000, 0xf7ff) AM_READ_PORT("DSW") AM_RANGE(0xf800, 0xffff) AM_READ(watchdog_reset_r) ADDRESS_MAP_END static ADDRESS_MAP_START( dambustr_writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_WRITE(SMH_ROM) AM_RANGE(0xc000, 0xc7ff) AM_WRITE(SMH_RAM) AM_RANGE(0x8000, 0x8000) AM_WRITE(dambustr_bg_color_w) AM_RANGE(0x8001, 0x8001) AM_WRITE(dambustr_bg_split_line_w) AM_RANGE(0xd000, 0xd3ff) AM_WRITE(galaxold_videoram_w) AM_BASE(&galaxold_videoram) AM_RANGE(0xd800, 0xd83f) AM_WRITE(galaxold_attributesram_w) AM_BASE(&galaxold_attributesram) AM_RANGE(0xd840, 0xd85f) AM_WRITE(SMH_RAM) AM_BASE(&galaxold_spriteram) AM_SIZE(&galaxold_spriteram_size) AM_RANGE(0xd860, 0xd87f) AM_WRITE(SMH_RAM) AM_BASE(&galaxold_bulletsram) AM_SIZE(&galaxold_bulletsram_size) AM_RANGE(0xd880, 0xd8ff) AM_WRITE(SMH_RAM) AM_RANGE(0xe002, 0xe003) AM_WRITE(galaxold_coin_counter_w) AM_RANGE(0xe004, 0xe007) AM_WRITE(galaxian_lfo_freq_w) AM_RANGE(0xe800, 0xe802) AM_WRITE(galaxian_background_enable_w) AM_RANGE(0xe803, 0xe803) AM_WRITE(dambustr_noise_enable_w) AM_RANGE(0xe804, 0xe804) AM_WRITE(galaxian_shoot_enable_w) // probably louder than normal shot AM_RANGE(0xe805, 0xe805) AM_WRITE(galaxian_shoot_enable_w) // normal shot (like Galaxian) AM_RANGE(0xe806, 0xe807) AM_WRITE(galaxian_vol_w) AM_RANGE(0xf001, 0xf001) AM_WRITE(galaxold_nmi_enable_w) AM_RANGE(0xf004, 0xf004) AM_WRITE(galaxold_stars_enable_w) AM_RANGE(0xf006, 0xf006) AM_WRITE(galaxold_flip_screen_x_w) AM_RANGE(0xf007, 0xf007) AM_WRITE(galaxold_flip_screen_y_w) AM_RANGE(0xf800, 0xf800) AM_WRITE(galaxian_pitch_w) ADDRESS_MAP_END static INPUT_PORTS_START( dambustr ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 ) PORT_DIPNAME( 0x20, 0x00, "Clear Swear Words" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_SERVICE( 0x40, IP_ACTIVE_HIGH ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_DIPNAME( 0x40, 0x00, "2nd Coin Counter" ) PORT_DIPLOCATION("SW:!1") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:!2") PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW:!3,!4") PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x01, "4" ) PORT_DIPSETTING( 0x02, "5" ) PORT_DIPSETTING( 0x03, "6" ) PORT_DIPNAME( 0x04, 0x00, "Game Test Mode" ) PORT_DIPLOCATION("SW:!5") /* Manual says must be OFF */ PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, "Union Jack" ) PORT_DIPLOCATION("SW:!6") PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static const gfx_layout dambustr_charlayout = { 8,8, RGN_FRAC(1,2), 2, { RGN_FRAC(0,2), RGN_FRAC(1,2) }, { 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 dambustr_spritelayout = { 16,16, RGN_FRAC(1,2), 2, { RGN_FRAC(0,2), RGN_FRAC(1,2) }, { 0, 1, 2, 3, 4, 5, 6, 7, 8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 }, 32*8 }; static GFXDECODE_START( dambustr ) GFXDECODE_ENTRY( "gfx1", 0x0000, dambustr_charlayout, 0, 8 ) GFXDECODE_ENTRY( "gfx1", 0x0000, dambustr_spritelayout, 0, 8 ) GFXDECODE_END static DRIVER_INIT(dambustr) { int i, j, tmp; int tmpram[16]; UINT8 *rom = memory_region(machine, "maincpu"); UINT8 *usr = memory_region(machine, "user1"); UINT8 *gfx = memory_region(machine, "gfx1"); // Bit swap addresses for(i=0; i<4096*4; i++) { rom[i] = usr[BITSWAP16(i,15,14,13,12, 4,10,9,8,7,6,5,3,11,2,1,0)]; }; // Swap program ROMs for(i=0; i<0x1000; i++) { tmp = rom[0x5000+i]; rom[0x5000+i] = rom[0x6000+i]; rom[0x6000+i] = rom[0x1000+i]; rom[0x1000+i] = tmp; }; // Bit swap in $1000-$1fff and $4000-$5fff for(i=0; i<0x1000; i++) { rom[0x1000+i] = BITSWAP8(rom[0x1000+i],7,6,5,1,3,2,4,0); rom[0x4000+i] = BITSWAP8(rom[0x4000+i],7,6,5,1,3,2,4,0); rom[0x5000+i] = BITSWAP8(rom[0x5000+i],7,6,5,1,3,2,4,0); }; // Swap graphics ROMs for(i=0;i<0x4000;i+=16) { for(j=0; j<16; j++) tmpram[j] = gfx[i+j]; for(j=0; j<8; j++) { gfx[i+j] = tmpram[j*2]; gfx[i+j+8] = tmpram[j*2+1]; }; }; } static MACHINE_DRIVER_START( dambustr ) /* basic machine hardware */ MDRV_CPU_ADD("maincpu", Z80, 18432000/6) /* 3.072 MHz */ MDRV_CPU_PROGRAM_MAP(dambustr_readmem, dambustr_writemem) MDRV_MACHINE_RESET(galaxold) /* video hardware */ MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(16000.0/132/2) 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(dambustr) MDRV_PALETTE_LENGTH(32+2+64+8) /* 32 for the characters, 2 for the bullets, 64 for the stars, 8 for the background */ MDRV_PALETTE_INIT(dambustr) MDRV_VIDEO_START(dambustr) MDRV_VIDEO_UPDATE(dambustr) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") /* sound hardware */ MDRV_SOUND_ADD("samples", SAMPLES, 0) MDRV_SOUND_CONFIG(galaxian_samples_interface) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_DRIVER_END ROM_START( dambustr ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "db8a", 0x4000, 0x1000, CRC(fd041ff4) SHA1(8d27da7bf0c655633711b960cbc23950c8a371ae) ) ROM_LOAD( "db6a", 0x5000, 0x1000, CRC(448db54b) SHA1(c9afbf02bf4d4ac2972ab7ac6adfa4e951ae79c2) ) ROM_LOAD( "db7a", 0x6000, 0x1000, CRC(675b1f5e) SHA1(6a386212a640fb467b6956a4dc5a68476af1cf97) ) ROM_LOAD( "db5a", 0x7000, 0x1000, CRC(75659ecc) SHA1(b61254fb12f3999607abd88d1cc649dcfbf0384c) ) ROM_REGION( 0x10000,"user1",0) ROM_LOAD( "db11a", 0x0000, 0x1000, CRC(427bd3fb) SHA1(cdbaef4040fa2e0598a086e320d51ecb26a591dd) ) ROM_LOAD( "db9a", 0x1000, 0x1000, CRC(57164563) SHA1(8471d0660f39511d0afa3cdd63a1e84b0ea80fd0) ) ROM_LOAD( "db10a", 0x2000, 0x1000, CRC(075b9c5e) SHA1(ff6ce873897004c0e796813725e260df85a520f9) ) ROM_LOAD( "db12a", 0x3000, 0x1000, CRC(ed01a68b) SHA1(9dd37c2a25865717a7acdd7e2a3bef26a4cef3d9) ) ROM_REGION( 0x4000, "gfx1", ROMREGION_DISPOSE ) ROM_LOAD( "db1a", 0x1000, 0x1000, CRC(4cb964cd) SHA1(1c90b14deb201a64b8ed4378b022e9e4574aed94) ) ROM_LOAD( "db2a", 0x3000, 0x1000, CRC(0a0a6af5) SHA1(ecd2a6696ce9154f030c830ccb45690787881a73) ) ROM_LOAD( "db3a", 0x0000, 0x1000, CRC(9e9a9710) SHA1(a9f67a05a2882b9f6f3378cc73e90539de4b8ca4) ) ROM_LOAD( "db4a", 0x2000, 0x1000, CRC(d9d2df33) SHA1(97057fe33c146898755b556558ff707b9f4551ec) ) // This ROM needs to be dumped, only a guess at the moment: ROM_REGION( 0x0020, "proms", 0 ) ROM_LOAD( "dambustr.clr", 0x0000, 0x0020, BAD_DUMP CRC(cda7b558) SHA1(2977967917970dffa91e69db19c62ba8ff6c3053) ) ROM_END ROM_START( dambust ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "db08.bin", 0x4000, 0x1000, CRC(fd041ff4) SHA1(8d27da7bf0c655633711b960cbc23950c8a371ae) ) ROM_LOAD( "db06p.bin", 0x5000, 0x1000, CRC(35dcee01) SHA1(2c23c727d9b38322a6d0548dfe6a2a254f3530af) ) ROM_LOAD( "db07.bin", 0x6000, 0x1000, CRC(675b1f5e) SHA1(6a386212a640fb467b6956a4dc5a68476af1cf97) ) ROM_LOAD( "db05.bin", 0x7000, 0x1000, CRC(75659ecc) SHA1(b61254fb12f3999607abd88d1cc649dcfbf0384c) ) ROM_REGION( 0x10000,"user1",0) ROM_LOAD( "db11.bin", 0x0000, 0x1000, CRC(9e6b34fe) SHA1(5cf47f5a5280ac53490240df220edf6178e87f4f) ) ROM_LOAD( "db09.bin", 0x1000, 0x1000, CRC(57164563) SHA1(8471d0660f39511d0afa3cdd63a1e84b0ea80fd0) ) ROM_LOAD( "db10p.bin", 0x2000, 0x1000, CRC(c129c57b) SHA1(c25abd7ee97b71941d9fa6acd0d92c116f1ff408) ) ROM_LOAD( "db12.bin", 0x3000, 0x1000, CRC(ea4c65f5) SHA1(cb761e0543cacd6b437c6e88615f97df83245a34) ) ROM_REGION( 0x4000, "gfx1", ROMREGION_DISPOSE ) ROM_LOAD( "db1ap.bin", 0x1000, 0x1000, CRC(4cb964cd) SHA1(1c90b14deb201a64b8ed4378b022e9e4574aed94) ) ROM_LOAD( "db02.bin", 0x3000, 0x1000, CRC(0a0a6af5) SHA1(ecd2a6696ce9154f030c830ccb45690787881a73) ) ROM_LOAD( "db03.bin", 0x0000, 0x1000, CRC(9e9a9710) SHA1(a9f67a05a2882b9f6f3378cc73e90539de4b8ca4) ) ROM_LOAD( "db04.bin", 0x2000, 0x1000, CRC(d9d2df33) SHA1(97057fe33c146898755b556558ff707b9f4551ec) ) // This ROM needs to be dumped, only a guess at the moment: ROM_REGION( 0x0020, "proms", 0 ) ROM_LOAD( "dambustr.clr", 0x0000, 0x0020, BAD_DUMP CRC(cda7b558) SHA1(2977967917970dffa91e69db19c62ba8ff6c3053) ) ROM_END GAME( 1981, dambustr, 0, dambustr, dambustr, dambustr, ROT90, "South West Research", "Dambusters (US)", 0 ) GAME( 1981, dambust, dambustr, dambustr, dambustr, dambustr, ROT90, "South West Research", "Dambusters (UK)", 0 )