diff options
Diffstat (limited to 'src/mame/drivers/dambustr.c')
-rw-r--r-- | src/mame/drivers/dambustr.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/src/mame/drivers/dambustr.c b/src/mame/drivers/dambustr.c new file mode 100644 index 00000000000..db4b03a4f95 --- /dev/null +++ b/src/mame/drivers/dambustr.c @@ -0,0 +1,271 @@ +/*************************************************************************** + +Dambusters +(c) 1981 South West Research Ltd. (Bristol, UK) + +Reverse-engineering and MAME Driver by Norbert Kehrer (August 2006) + +***************************************************************************/ + + +#include "driver.h" + +#include "cpu/z80/z80.h" +#include "galaxian.h" + + +PALETTE_INIT( dambustr ); +WRITE8_HANDLER( dambustr_bg_split_line_w ); +WRITE8_HANDLER( dambustr_bg_color_w ); +VIDEO_START( dambustr ); +VIDEO_UPDATE( dambustr ); + +static int noise_data = 0; + + +static WRITE8_HANDLER( dambustr_noise_enable_w ) +{ + if (data != noise_data) { + noise_data = data; + galaxian_noise_enable_w(offset, data); + }; +} + + +static ADDRESS_MAP_START( dambustr_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0xc000, 0xc7ff) AM_READ(MRA8_RAM) + AM_RANGE(0xd000, 0xd3ff) AM_READ(MRA8_RAM) + AM_RANGE(0xd400, 0xd7ff) AM_READ(galaxian_videoram_r) + AM_RANGE(0xd800, 0xd8ff) AM_READ(MRA8_RAM) + AM_RANGE(0xe000, 0xe000) AM_READ(input_port_0_r) + AM_RANGE(0xe800, 0xefff) AM_READ(input_port_1_r) + AM_RANGE(0xf000, 0xf7ff) AM_READ(input_port_2_r) + 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(MWA8_ROM) + AM_RANGE(0xc000, 0xc7ff) AM_WRITE(MWA8_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(galaxian_videoram_w) AM_BASE(&galaxian_videoram) + AM_RANGE(0xd800, 0xd83f) AM_WRITE(galaxian_attributesram_w) AM_BASE(&galaxian_attributesram) + AM_RANGE(0xd840, 0xd85f) AM_WRITE(MWA8_RAM) AM_BASE(&galaxian_spriteram) AM_SIZE(&galaxian_spriteram_size) + AM_RANGE(0xd860, 0xd87f) AM_WRITE(MWA8_RAM) AM_BASE(&galaxian_bulletsram) AM_SIZE(&galaxian_bulletsram_size) + AM_RANGE(0xd880, 0xd8ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0xe002, 0xe003) AM_WRITE(galaxian_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(galaxian_nmi_enable_w) + AM_RANGE(0xf004, 0xf004) AM_WRITE(galaxian_stars_enable_w) + AM_RANGE(0xf006, 0xf006) AM_WRITE(galaxian_flip_screen_x_w) + AM_RANGE(0xf007, 0xf007) AM_WRITE(galaxian_flip_screen_y_w) + AM_RANGE(0xf800, 0xf800) AM_WRITE(galaxian_pitch_w) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( dambustr ) + PORT_START_TAG("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_TAG("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_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x40, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + + PORT_START_TAG("DSW0") + PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) + PORT_DIPSETTING( 0x00, "3" ) + PORT_DIPSETTING( 0x01, "4" ) + PORT_DIPSETTING( 0x02, "5" ) + PORT_DIPSETTING( 0x03, "6" ) + PORT_DIPNAME( 0x04, 0x00, "Game Test Mode" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x04, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x00, "Union Jack" ) + 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( REGION_GFX1, 0x0000, dambustr_charlayout, 0, 8 ) + GFXDECODE_ENTRY( REGION_GFX1, 0x0000, dambustr_spritelayout, 0, 8 ) +GFXDECODE_END + + +static DRIVER_INIT(dambustr) +{ + int i, j, tmp; + int tmpram[16]; + + // Bit swap addresses + for(i=0; i<4096*4; i++) { + memory_region(REGION_CPU1)[i] = + memory_region(REGION_USER1)[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 = memory_region(REGION_CPU1)[0x5000+i]; + memory_region(REGION_CPU1)[0x5000+i] = memory_region(REGION_CPU1)[0x6000+i]; + memory_region(REGION_CPU1)[0x6000+i] = memory_region(REGION_CPU1)[0x1000+i]; + memory_region(REGION_CPU1)[0x1000+i] = tmp; + }; + + // Bit swap in $1000-$1fff and $4000-$5fff + for(i=0; i<0x1000; i++) { + memory_region(REGION_CPU1)[0x1000+i] = + BITSWAP8(memory_region(REGION_CPU1)[0x1000+i],7,6,5,1,3,2,4,0); + memory_region(REGION_CPU1)[0x4000+i] = + BITSWAP8(memory_region(REGION_CPU1)[0x4000+i],7,6,5,1,3,2,4,0); + memory_region(REGION_CPU1)[0x5000+i] = + BITSWAP8(memory_region(REGION_CPU1)[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] = memory_region(REGION_GFX1)[i+j]; + for(j=0; j<8; j++) { + memory_region(REGION_GFX1)[i+j] = tmpram[j*2]; + memory_region(REGION_GFX1)[i+j+8] = tmpram[j*2+1]; + }; + }; +} + + + +static MACHINE_DRIVER_START( dambustr ) + /* basic machine hardware */ + MDRV_CPU_ADD_TAG("main", Z80, 18432000/6) /* 3.072 MHz */ + MDRV_CPU_PROGRAM_MAP(dambustr_readmem, dambustr_writemem) + + MDRV_SCREEN_REFRESH_RATE(16000.0/132/2) + + MDRV_MACHINE_RESET(galaxian) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + 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_COLORTABLE_LENGTH(8*4) + + 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, 0) + MDRV_SOUND_CONFIG(galaxian_samples_interface) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + +ROM_START( dambustr ) + ROM_REGION( 0x10000, REGION_CPU1, 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,REGION_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, REGION_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, REGION_PROMS, 0 ) + ROM_LOAD( "dambustr.clr", 0x0000, 0x0020, BAD_DUMP CRC(cda7b558) SHA1(2977967917970dffa91e69db19c62ba8ff6c3053) ) +ROM_END + + +ROM_START( dambust ) + ROM_REGION( 0x10000, REGION_CPU1, 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,REGION_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, REGION_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, REGION_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 ) |