/*************************************************************************** Atari Subs hardware driver by Mike Balfour Games supported: * Subs Known issues: * none at this time **************************************************************************** If you have any questions about how this driver works, don't hesitate to ask. - Mike Balfour (mab22@po.cwru.edu) ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "includes/subs.h" #include "sound/discrete.h" #include "rendlay.h" /************************************* * * Palette generation * *************************************/ void subs_state::palette_init() { palette_set_color(machine(),0,MAKE_RGB(0x00,0x00,0x00)); /* BLACK - modified on video invert */ palette_set_color(machine(),1,MAKE_RGB(0xff,0xff,0xff)); /* WHITE - modified on video invert */ palette_set_color(machine(),2,MAKE_RGB(0x00,0x00,0x00)); /* BLACK - modified on video invert */ palette_set_color(machine(),3,MAKE_RGB(0xff,0xff,0xff)); /* WHITE - modified on video invert*/ } /************************************* * * Main CPU memory handlers * *************************************/ static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, subs_state ) ADDRESS_MAP_GLOBAL_MASK(0x3fff) AM_RANGE(0x0000, 0x0000) AM_WRITE(subs_noise_reset_w) AM_RANGE(0x0000, 0x0007) AM_READ(subs_control_r) AM_RANGE(0x0020, 0x0020) AM_WRITE(subs_steer_reset_w) AM_RANGE(0x0020, 0x0027) AM_READ(subs_coin_r) // AM_RANGE(0x0040, 0x0040) AM_WRITE_LEGACY(subs_timer_reset_w) AM_RANGE(0x0060, 0x0063) AM_READ(subs_options_r) AM_RANGE(0x0060, 0x0061) AM_WRITE(subs_lamp1_w) AM_RANGE(0x0062, 0x0063) AM_WRITE(subs_lamp2_w) AM_RANGE(0x0064, 0x0065) AM_WRITE(subs_sonar2_w) AM_RANGE(0x0066, 0x0067) AM_WRITE(subs_sonar1_w) // Schematics show crash and explode reversed. But this is proper. AM_RANGE(0x0068, 0x0069) AM_WRITE(subs_explode_w) AM_RANGE(0x006a, 0x006b) AM_WRITE(subs_crash_w) AM_RANGE(0x006c, 0x006d) AM_WRITE(subs_invert1_w) AM_RANGE(0x006e, 0x006f) AM_WRITE(subs_invert2_w) AM_RANGE(0x0090, 0x009f) AM_SHARE("spriteram") AM_RANGE(0x0000, 0x01ff) AM_RAM AM_RANGE(0x0800, 0x0bff) AM_RAM AM_SHARE("videoram") AM_RANGE(0x2000, 0x3fff) AM_ROM ADDRESS_MAP_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( subs ) PORT_START("DSW") /* OPTIONS */ PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW1:1") PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, "Credit/Time" ) PORT_DIPLOCATION("SW1:2") PORT_DIPSETTING( 0x00, "Each Coin Buys Time" ) PORT_DIPSETTING( 0x02, "Fixed Time" ) PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("SW1:3,4") PORT_DIPSETTING( 0x00, DEF_STR( English ) ) PORT_DIPSETTING( 0x04, DEF_STR( French ) ) PORT_DIPSETTING( 0x08, DEF_STR( Spanish) ) PORT_DIPSETTING( 0x0c, DEF_STR( German) ) PORT_DIPNAME( 0x10, 0x00, DEF_STR( Free_Play ) ) PORT_DIPLOCATION("SW1:5") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) PORT_DIPNAME( 0xe0, 0x40, "Game Length" ) PORT_DIPLOCATION("SW1:6,7,8") PORT_DIPSETTING( 0x00, "0:30 Minutes" ) PORT_DIPSETTING( 0x20, "1:00 Minutes" ) PORT_DIPSETTING( 0x40, "1:30 Minutes" ) PORT_DIPSETTING( 0x60, "2:00 Minutes" ) PORT_DIPSETTING( 0x80, "2:30 Minutes" ) PORT_DIPSETTING( 0xa0, "3:00 Minutes" ) PORT_DIPSETTING( 0xc0, "3:30 Minutes" ) PORT_DIPSETTING( 0xe0, "4:00 Minutes" ) PORT_START("IN0") /* IN1 */ PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* Diag Step */ PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* Diag Hold */ PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_TILT ) /* Slam */ PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) /* Spare */ PORT_BIT ( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) /* Filled in with steering information */ PORT_START("IN1") /* IN2 */ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT ( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("lscreen") PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_SERVICE_NO_TOGGLE( 0x40, IP_ACTIVE_LOW ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_START("DIAL2") /* IN3 */ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20) PORT_PLAYER(2) PORT_START("DIAL1") /* IN4 */ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(20) INPUT_PORTS_END /************************************* * * Graphics definitions * *************************************/ static const gfx_layout playfield_layout = { 8,8, 256, 1, { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; static const gfx_layout motion_layout = { 16,16, 64, 1, { 0 }, { 3 + 0x400*8, 2 + 0x400*8, 1 + 0x400*8, 0 + 0x400*8, 7 + 0x400*8, 6 + 0x400*8, 5 + 0x400*8, 4 + 0x400*8, 3, 2, 1, 0, 7, 6, 5, 4 }, { 0, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, 16*8 }; static GFXDECODE_START( subs ) GFXDECODE_ENTRY( "gfx1", 0, playfield_layout, 0, 2 ) /* playfield graphics */ GFXDECODE_ENTRY( "gfx2", 0, motion_layout, 0, 2 ) /* motion graphics */ GFXDECODE_END /************************************* * * Machine driver * *************************************/ static MACHINE_CONFIG_START( subs, subs_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6502,12096000/16) /* clock input is the "4H" signal */ MCFG_CPU_PROGRAM_MAP(main_map) MCFG_CPU_PERIODIC_INT_DRIVER(subs_state, subs_interrupt, 4*57) /* video hardware */ MCFG_GFXDECODE(subs) MCFG_PALETTE_LENGTH(4) MCFG_DEFAULT_LAYOUT(layout_dualhsxs) MCFG_SCREEN_ADD("lscreen", RASTER) MCFG_SCREEN_REFRESH_RATE(57) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1) MCFG_SCREEN_UPDATE_DRIVER(subs_state, screen_update_subs_left) MCFG_SCREEN_ADD("rscreen", RASTER) MCFG_SCREEN_REFRESH_RATE(57) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1) MCFG_SCREEN_UPDATE_DRIVER(subs_state, screen_update_subs_right) /* sound hardware */ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") MCFG_SOUND_ADD("discrete", DISCRETE, 0) MCFG_SOUND_CONFIG_DISCRETE(subs) MCFG_SOUND_ROUTE(0, "lspeaker", 1.0) MCFG_SOUND_ROUTE(1, "rspeaker", 1.0) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( subs ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD_NIB_HIGH( "34196.e2", 0x2000, 0x0100, CRC(7c7a04c3) SHA1(269d9f7573cc5da4412f53d647127c4884435353) ) /* ROM 0 D4-D7 */ ROM_LOAD_NIB_LOW ( "34194.e1", 0x2000, 0x0100, CRC(6b1c4acc) SHA1(3a743b721d9e7e9bdc4533aeeab294eb0ea27500) ) /* ROM 0 D0-D3 */ ROM_LOAD( "34190.p1", 0x2800, 0x0800, CRC(a88aef21) SHA1(3811c137041ca43a6e49fbaf7d9d8ef37ba190a2) ) ROM_LOAD( "34191.p2", 0x3000, 0x0800, CRC(2c652e72) SHA1(097b665e803cbc57b5a828403a8d9a258c19e97f) ) ROM_LOAD( "34192.n2", 0x3800, 0x0800, CRC(3ce63d33) SHA1(a413cb3e0d03dc40a50f5b03b76a4edbe7906f3e) ) ROM_REGION( 0x0800, "gfx1", 0 ) ROM_LOAD( "34211.m4", 0x0000, 0x0800, CRC(fa8d4409) SHA1(a83b7a835212d31fe421d537fa0d78f234c26f5b) ) /* Playfield */ ROM_REGION( 0x0800, "gfx2", 0 ) ROM_LOAD( "34216.d7", 0x0000, 0x0200, CRC(941d28b4) SHA1(89388ec06546dc567aa5dbc6a7898974f2871ecc) ) /* Motion */ ROM_LOAD( "34218.e7", 0x0200, 0x0200, CRC(f4f4d874) SHA1(d99ad9a74611f9851f6bfa6000ebd70e1a364f5d) ) /* Motion */ ROM_LOAD( "34217.d8", 0x0400, 0x0200, CRC(a7a60da3) SHA1(34fc21cc1ca69d58d3907094dc0a3faaf6f461b3) ) /* Motion */ ROM_LOAD( "34219.e8", 0x0600, 0x0200, CRC(99a5a49b) SHA1(2cb429f8de73c7d78dc83e47f1448ea4340c333d) ) /* Motion */ ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1977, subs, 0, subs, subs, driver_device, 0, ROT0, "Atari", "Subs", GAME_IMPERFECT_SOUND )