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Diffstat (limited to 'src/mame/drivers/dambustr.c')
-rw-r--r--src/mame/drivers/dambustr.c271
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 )