/*************************************************************************** Space Force Memory Map driver by Zsolt Vasvari 0000-3fff R ROM 4000-43ff R/W RAM 7000-7002 R input ports 0-2 7000 W sound command 7001 W sound CPU IRQ trigger on bit 3 falling edge 7002 W unknown 7008 W unknown 7009 W unknown 700a W unknown 700b W flip screen 700c W unknown 700d W unknown 700e W main CPU interrupt enable (it uses RST7.5) 700f W unknown 8000-83ff R/W bit 0-7 of character code 9000-93ff R/W attributes RAM bit 0 - bit 8 of character code bit 1-3 - unused bit 4-6 - color bit 7 - unused a000-a3ff R/W X/Y scroll position of each character (can be scrolled up to 7 pixels in each direction) ***************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "cpu/mcs48/mcs48.h" #include "sound/sn76496.h" #include "includes/spcforce.h" static WRITE8_HANDLER( spcforce_SN76496_latch_w ) { spcforce_state *state = space->machine().driver_data(); state->m_sn76496_latch = data; } static READ8_HANDLER( spcforce_SN76496_select_r ) { spcforce_state *state = space->machine().driver_data(); if (~state->m_sn76496_select & 0x40) return sn76496_ready_r(space->machine().device("sn1")); if (~state->m_sn76496_select & 0x20) return sn76496_ready_r(space->machine().device("sn2")); if (~state->m_sn76496_select & 0x10) return sn76496_ready_r(space->machine().device("sn3")); return 0; } static WRITE8_HANDLER( spcforce_SN76496_select_w ) { spcforce_state *state = space->machine().driver_data(); state->m_sn76496_select = data; if (~data & 0x40) sn76496_w(space->machine().device("sn1"), 0, state->m_sn76496_latch); if (~data & 0x20) sn76496_w(space->machine().device("sn2"), 0, state->m_sn76496_latch); if (~data & 0x10) sn76496_w(space->machine().device("sn3"), 0, state->m_sn76496_latch); } static READ8_HANDLER( spcforce_t0_r ) { /* SN76496 status according to Al - not supported by MAME?? */ return space->machine().rand() & 1; } static WRITE8_HANDLER( spcforce_soundtrigger_w ) { cputag_set_input_line(space->machine(), "audiocpu", 0, (~data & 0x08) ? ASSERT_LINE : CLEAR_LINE); } static ADDRESS_MAP_START( spcforce_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_ROM AM_RANGE(0x4000, 0x43ff) AM_RAM AM_RANGE(0x7000, 0x7000) AM_READ_PORT("DSW") AM_WRITE(soundlatch_w) AM_RANGE(0x7001, 0x7001) AM_READ_PORT("P1") AM_WRITE(spcforce_soundtrigger_w) AM_RANGE(0x7002, 0x7002) AM_READ_PORT("P2") AM_RANGE(0x700b, 0x700b) AM_WRITE(spcforce_flip_screen_w) AM_RANGE(0x700e, 0x700e) AM_WRITE(interrupt_enable_w) AM_RANGE(0x700f, 0x700f) AM_WRITENOP AM_RANGE(0x8000, 0x83ff) AM_RAM AM_BASE_MEMBER(spcforce_state, m_videoram) AM_RANGE(0x9000, 0x93ff) AM_RAM AM_BASE_MEMBER(spcforce_state, m_colorram) AM_RANGE(0xa000, 0xa3ff) AM_RAM AM_BASE_MEMBER(spcforce_state, m_scrollram) ADDRESS_MAP_END static ADDRESS_MAP_START( spcforce_sound_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x07ff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( spcforce_sound_io_map, AS_IO, 8 ) AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READ(soundlatch_r) AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_WRITE(spcforce_SN76496_latch_w) AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(spcforce_SN76496_select_r, spcforce_SN76496_select_w) AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READ(spcforce_t0_r) ADDRESS_MAP_END static INPUT_PORTS_START( spcforce ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x02, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) ) PORT_DIPNAME( 0x04, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x18, 0x08, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "2" ) PORT_DIPSETTING( 0x08, "3" ) PORT_DIPSETTING( 0x10, "4" ) PORT_DIPSETTING( 0x18, "5" ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Bonus_Life ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) /* probably unused */ PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) ) PORT_DIPSETTING( 0x80, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) PORT_START("P1") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_START("P2") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_VBLANK ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL INPUT_PORTS_END /* same as spcforce, but no cocktail mode */ static INPUT_PORTS_START( spcforc2 ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x02, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) ) PORT_DIPNAME( 0x04, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x18, 0x08, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "2" ) PORT_DIPSETTING( 0x08, "3" ) PORT_DIPSETTING( 0x10, "4" ) PORT_DIPSETTING( 0x18, "5" ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Bonus_Life ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) /* probably unused */ PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) /* probably unused */ PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("P1") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_START("P2") PORT_SERVICE_NO_TOGGLE( 0x08, IP_ACTIVE_LOW ) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_VBLANK ) INPUT_PORTS_END static const gfx_layout charlayout = { 8,8, /* 8*8 chars */ 512, /* 512 characters */ 3, /* 3 bits per pixel */ { 2*512*8*8, 512*8*8, 0 }, /* The bitplanes are separate */ { 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 /* every char takes 8 consecutive bytes */ }; static GFXDECODE_START( spcforce ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 8 ) GFXDECODE_END /* 1-bit RGB palette */ static const int colortable_source[] = { 0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 1, 2, 3, 4, 5, 6, /* not sure about these, but they are only used */ 0, 7, 0, 1, 2, 3, 4, 5, /* to change the text color. During the game, */ 0, 6, 7, 0, 1, 2, 3, 4, /* only color 0 is used, which is correct. */ 0, 5, 6, 7, 0, 1, 2, 3, 0, 4, 5, 6, 7, 0, 1, 2, 0, 3, 4, 5, 6, 7, 0, 1, 0, 2, 3, 4, 5, 6, 7, 0 }; static PALETTE_INIT( spcforce ) { int i; for (i = 0; i < sizeof(colortable_source) / sizeof(colortable_source[0]); i++) { int data = colortable_source[i]; rgb_t color = MAKE_RGB(pal1bit(data >> 0), pal1bit(data >> 1), pal1bit(data >> 2)); palette_set_color(machine, i, color); } } static MACHINE_CONFIG_START( spcforce, spcforce_state ) /* basic machine hardware */ /* FIXME: The 8085A had a max clock of 6MHz, internally divided by 2! */ MCFG_CPU_ADD("maincpu", I8085A, 8000000 * 2) /* 4.00 MHz??? */ MCFG_CPU_PROGRAM_MAP(spcforce_map) MCFG_CPU_VBLANK_INT("screen", irq3_line_pulse) MCFG_CPU_ADD("audiocpu", I8035, 6144000) /* divisor ??? */ MCFG_CPU_PROGRAM_MAP(spcforce_sound_map) MCFG_CPU_IO_MAP(spcforce_sound_io_map) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1) MCFG_SCREEN_UPDATE(spcforce) MCFG_GFXDECODE(spcforce) MCFG_PALETTE_LENGTH(sizeof(colortable_source) / sizeof(colortable_source[0])) MCFG_PALETTE_INIT(spcforce) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("sn1", SN76496, 2000000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MCFG_SOUND_ADD("sn2", SN76496, 2000000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MCFG_SOUND_ADD("sn3", SN76496, 2000000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( spcforce ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "m1v4f.1a", 0x0000, 0x0800, CRC(7da0d1ed) SHA1(2ee145f590da557be057f181b4861014627872e7) ) ROM_LOAD( "m2v4f.1c", 0x0800, 0x0800, CRC(25605bff) SHA1(afda2884a00fdbc000191dd548fd8e34df3e2f49) ) ROM_LOAD( "m3v5f.2a", 0x1000, 0x0800, CRC(6f879366) SHA1(ef624619dbaad1f2adf4fab82e04bac117dbfac6) ) ROM_LOAD( "m4v5f.2c", 0x1800, 0x0800, CRC(7fbfabfa) SHA1(0d6bbdcc80e251aa0ebd12e66549afaf6d8ccb0e) ) /*0x2000 empty */ ROM_LOAD( "m6v4f.3c", 0x2800, 0x0800, CRC(12128e9e) SHA1(b2a113b419e11ca094f56ae93870df11690b119a) ) ROM_LOAD( "m7v4f.4a", 0x3000, 0x0800, CRC(978ad452) SHA1(fa84dcc6587403dd939da719a747d8c7332ed038) ) ROM_LOAD( "m8v4f.4c", 0x3800, 0x0800, CRC(f805c3cd) SHA1(78eb13b99aae895742b34ed56bee9313d3643de1) ) ROM_REGION( 0x1000, "audiocpu", 0 ) /* sound MCU */ ROM_LOAD( "vm5.k10", 0x0000, 0x0800, CRC(8820913c) SHA1(90002cafdf5f32f916e5457e013ebe53405d5ca8) ) ROM_REGION( 0x3000, "gfx1", 0 ) ROM_LOAD( "rm1v2.6s", 0x0000, 0x0800, CRC(8e3490d7) SHA1(a5e47f953bb833c2bb769b266fff60f7a20c69a6) ) ROM_LOAD( "rm2v1.7s", 0x0800, 0x0800, CRC(fbbfa05a) SHA1(c737b216f47e14c069cb84b5dbcc5a79fcc13648) ) ROM_LOAD( "gm1v2.6p", 0x1000, 0x0800, CRC(4f574920) SHA1(05930a8ea5c6e05d01d1b4faabb3305aab44125c) ) ROM_LOAD( "gm2v1.7p", 0x1800, 0x0800, CRC(0cd89ce2) SHA1(adb101400eb00119930494e99629948248d99d2f) ) ROM_LOAD( "bm1v2.6m", 0x2000, 0x0800, CRC(130869ce) SHA1(588d6c9403d5fd966266b4f0333ee47b36c8b1d8) ) ROM_LOAD( "bm2v1.7m", 0x2800, 0x0800, CRC(472f0a9b) SHA1(a8a9e2aa62374cd3bd938b5cb5fb20face3114c3) ) ROM_END ROM_START( spcforc2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "spacefor.1a", 0x0000, 0x0800, CRC(ef6fdccb) SHA1(2fff28437597958b39a821f93ac30f32c24f50aa) ) ROM_LOAD( "spacefor.1c", 0x0800, 0x0800, CRC(44bd1cdd) SHA1(6dd5ae7a64079c61b63667f06e0d34dec48eac7c) ) ROM_LOAD( "spacefor.2a", 0x1000, 0x0800, CRC(fcbc7df7) SHA1(b6e89dbfc80d5d9dcf889f618a8278c182773a14) ) ROM_LOAD( "vm4", 0x1800, 0x0800, CRC(c5b073b9) SHA1(93b77c77488aa954c35880439be6c7629448a3ea) ) /*0x2000 empty */ ROM_LOAD( "spacefor.3c", 0x2800, 0x0800, CRC(9fd52301) SHA1(1ea5d5b888dd2f7ac6aab227c78b86c2f2f320da) ) ROM_LOAD( "spacefor.4a", 0x3000, 0x0800, CRC(89aefc0a) SHA1(0b56efa613bce972af4bbf145853bfc0cda60ef9) ) ROM_LOAD( "m8v4f.4c", 0x3800, 0x0800, CRC(f805c3cd) SHA1(78eb13b99aae895742b34ed56bee9313d3643de1) ) ROM_REGION( 0x1000, "audiocpu", 0 ) /* sound MCU */ ROM_LOAD( "vm5.k10", 0x0000, 0x0800, CRC(8820913c) SHA1(90002cafdf5f32f916e5457e013ebe53405d5ca8) ) ROM_REGION( 0x3000, "gfx1", 0 ) ROM_LOAD( "spacefor.6s", 0x0000, 0x0800, CRC(848ae522) SHA1(deb28ba09556d04d9f6c906a163372f842b00c63) ) ROM_LOAD( "rm2v1.7s", 0x0800, 0x0800, CRC(fbbfa05a) SHA1(c737b216f47e14c069cb84b5dbcc5a79fcc13648) ) ROM_LOAD( "spacefor.6p", 0x1000, 0x0800, CRC(95446911) SHA1(843025d1c557156f73c2e9a1278c02738b69fb5d) ) ROM_LOAD( "gm2v1.7p", 0x1800, 0x0800, CRC(0cd89ce2) SHA1(adb101400eb00119930494e99629948248d99d2f) ) ROM_LOAD( "bm1v2.6m", 0x2000, 0x0800, CRC(130869ce) SHA1(588d6c9403d5fd966266b4f0333ee47b36c8b1d8) ) ROM_LOAD( "bm2v1.7m", 0x2800, 0x0800, CRC(472f0a9b) SHA1(a8a9e2aa62374cd3bd938b5cb5fb20face3114c3) ) ROM_END ROM_START( meteor ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "vm1", 0x0000, 0x0800, CRC(894fe9b1) SHA1(617e05523392e2ba2608ca13aa24d6601289fe87) ) ROM_LOAD( "vm2", 0x0800, 0x0800, CRC(28685a68) SHA1(f911a3ccb8d63cf82a6dc8f069f3f498e9081656) ) ROM_LOAD( "vm3", 0x1000, 0x0800, CRC(c88fb12a) SHA1(1eeb26caf7a1421ec2d570f71b8c4675ad7ea172) ) ROM_LOAD( "vm4", 0x1800, 0x0800, CRC(c5b073b9) SHA1(93b77c77488aa954c35880439be6c7629448a3ea) ) /*0x2000 empty */ ROM_LOAD( "vm6", 0x2800, 0x0800, CRC(9969ec43) SHA1(3ce067c34b84e9559f195e7ef9939a78070693b1) ) ROM_LOAD( "vm7", 0x3000, 0x0800, CRC(39f43ac2) SHA1(b45275759f4003a22a32dc04227a98908bd140a9) ) ROM_LOAD( "vm8", 0x3800, 0x0800, CRC(a0508de3) SHA1(75666a4e46b6c433f1c1f8e76c30fd087354097b) ) ROM_REGION( 0x1000, "audiocpu", 0 ) /* sound MCU */ ROM_LOAD( "vm5", 0x0000, 0x0800, CRC(b14ccd57) SHA1(0349ec5d0ca7f98ffdd96d7bf01cf096fe547f7a) ) ROM_REGION( 0x3000, "gfx1", 0 ) ROM_LOAD( "rm1v", 0x0000, 0x0800, CRC(d621fe96) SHA1(29b75333ea8103095a4d452636eea4a1055845e5) ) ROM_LOAD( "rm2v", 0x0800, 0x0800, CRC(b3981251) SHA1(b6743d121a6b3ad8e8beebe1faff2678b89e7d16) ) ROM_LOAD( "gm1v", 0x1000, 0x0800, CRC(d44617e8) SHA1(1cec7984cc5e3472c25c23f02179380c4a5b4076) ) ROM_LOAD( "gm2v", 0x1800, 0x0800, CRC(0997d945) SHA1(16eba77b14c62b2a0ebea47a28d4d5d21d7a2234) ) ROM_LOAD( "bm1v", 0x2000, 0x0800, CRC(cc97c890) SHA1(e852bfe9d4b2d31801a840c1bacdd4386a93a22f) ) ROM_LOAD( "bm2v", 0x2800, 0x0800, CRC(2858cf5c) SHA1(1313b4e4adda074499153e4a42bc2c6b41b0ec7e) ) ROM_END GAME( 1980, spcforce, 0, spcforce, spcforce, 0, ROT270, "Venture Line", "Space Force (set 1)", GAME_IMPERFECT_COLORS ) GAME( 19??, spcforc2, spcforce, spcforce, spcforc2, 0, ROT270, "bootleg? (Elcon)", "Space Force (set 2)", GAME_IMPERFECT_COLORS ) GAME( 1981, meteor, spcforce, spcforce, spcforc2, 0, ROT270, "Venture Line", "Meteoroids", GAME_IMPERFECT_COLORS )