/* Galaxia Galaxia by Zaccaria (1979) Taken from an untested board. 1K byte files were 2708 or equivalent. 512 byte file is a 82S130 PROM. This is not a direct pirate of Galaxian as you might think from the name. The game uses a Signetics 2650A CPU with three 40-pin 2636 chips, which are responsible for sound and some video functions. Other than that, the video hardware looks like it's similar to Galaxian (2 x 2114, 2 x 2101, 2 x EPROM) but there is no attack RAM and the graphics EPROMS are 2708. The graphics EPROMS do contain Galaxian-like graphics... Quick PCB sketch: ------------------------------------------------------------------------------ | | | 13l 13i 13h | | | | PROM 11l 11i 11h S2636 S2621 XTAL | |6-| ?MHz | | 10i 10h S2636 | |5-| | |--| 8i 8h S2636 S2650A | |--| | |--| | | | |4-| | |--| | |--| | |--| | | | |3-| | |--| | |--| | |--| DSW | | 3d | |2-| DSW |-1| | 1d |--| | |--| ------------------------------------------------------------------------------ XTAL label is not readable on any PCB? Astro Wars (port of Astro Fighter) is on a stripped down board of Galaxia, using only one 2636 chip, less RAM, and no PROM. --- HW has many similarities with quasar.c / cvs.c / zac2650.c TODO: - fix colors, there's no color prom?! - improve bullets - accurate astrowar sprite/bg sync - XTAL */ #include "emu.h" #include "video/s2636.h" #include "sound/s2636.h" #include "cpu/s2650/s2650.h" #include "includes/galaxia.h" INTERRUPT_GEN_MEMBER(galaxia_state::galaxia_interrupt) { device.execute().set_input_line_and_vector(0, HOLD_LINE, 0x03); cvs_scroll_stars(); } /*************************************************************************** I/O ***************************************************************************/ WRITE8_MEMBER(galaxia_state::galaxia_video_w) { // machine().primary_screen->update_partial(machine().primary_screen->vpos()); m_bg_tilemap->mark_tile_dirty(offset); cvs_video_or_color_ram_w(space, offset, data); } WRITE8_MEMBER(galaxia_state::galaxia_scroll_w) { machine().primary_screen->update_partial(machine().primary_screen->vpos()); // fixed scrolling area for (int i = 1; i < 6; i++) m_bg_tilemap->set_scrolly(i, data); } WRITE8_MEMBER(galaxia_state::galaxia_ctrlport_w) { // d0/d1: maybe coincounter // other bits: unknown } WRITE8_MEMBER(galaxia_state::galaxia_dataport_w) { // cvs-style video fx? or lamps? } READ8_MEMBER(galaxia_state::galaxia_collision_r) { machine().primary_screen->update_partial(machine().primary_screen->vpos()); return m_collision_register; } READ8_MEMBER(galaxia_state::galaxia_collision_clear) { machine().primary_screen->update_partial(machine().primary_screen->vpos()); m_collision_register = 0; return 0xff; } static ADDRESS_MAP_START( galaxia_mem_map, AS_PROGRAM, 8, galaxia_state ) AM_RANGE(0x0000, 0x13ff) AM_ROM AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM AM_SHARE("bullet_ram") AM_RANGE(0x1500, 0x15ff) AM_MIRROR(0x6000) AM_DEVREADWRITE_LEGACY("s2636_0", s2636_work_ram_r, s2636_work_ram_w) AM_RANGE(0x1600, 0x16ff) AM_MIRROR(0x6000) AM_DEVREADWRITE_LEGACY("s2636_1", s2636_work_ram_r, s2636_work_ram_w) AM_RANGE(0x1700, 0x17ff) AM_MIRROR(0x6000) AM_DEVREADWRITE_LEGACY("s2636_2", s2636_work_ram_r, s2636_work_ram_w) AM_RANGE(0x1800, 0x1bff) AM_MIRROR(0x6000) AM_READ(cvs_video_or_color_ram_r) AM_WRITE(galaxia_video_w) AM_SHARE("video_ram") AM_RANGE(0x1c00, 0x1fff) AM_MIRROR(0x6000) AM_RAM AM_RANGE(0x2000, 0x33ff) AM_ROM AM_RANGE(0x7214, 0x7214) AM_READ_PORT("IN0") ADDRESS_MAP_END static ADDRESS_MAP_START( astrowar_mem_map, AS_PROGRAM, 8, galaxia_state ) AM_RANGE(0x0000, 0x13ff) AM_ROM AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM AM_RANGE(0x1500, 0x15ff) AM_MIRROR(0x6000) AM_DEVREADWRITE_LEGACY("s2636_0", s2636_work_ram_r, s2636_work_ram_w) AM_RANGE(0x1800, 0x1bff) AM_MIRROR(0x6000) AM_READ(cvs_video_or_color_ram_r) AM_WRITE(galaxia_video_w) AM_SHARE("video_ram") AM_RANGE(0x1c00, 0x1cff) AM_MIRROR(0x6000) AM_RAM AM_SHARE("bullet_ram") AM_RANGE(0x2000, 0x33ff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( galaxia_io_map, AS_IO, 8, galaxia_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x00, 0x00) AM_WRITE(galaxia_scroll_w) AM_READ_PORT("IN0") AM_RANGE(0x02, 0x02) AM_READ_PORT("IN1") AM_RANGE(0x05, 0x05) AM_READNOP AM_RANGE(0x06, 0x06) AM_READ_PORT("DSW0") AM_RANGE(0x07, 0x07) AM_READ_PORT("DSW1") AM_RANGE(0xac, 0xac) AM_READNOP AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READWRITE(galaxia_collision_r, galaxia_ctrlport_w) AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READWRITE(galaxia_collision_clear, galaxia_dataport_w) AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ_PORT("SENSE") AM_RANGE(S2650_FO_PORT, S2650_FO_PORT) AM_RAM AM_SHARE("fo_state") ADDRESS_MAP_END /*************************************************************************** Inputs ***************************************************************************/ static INPUT_PORTS_START( galaxia ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START("IN1") PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_BIT( 0xc3, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START("DSW0") PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0x00, "A 1C_1C B 2C_1C" ) PORT_DIPSETTING( 0x01, "A 1C_2C B 2C_1C" ) PORT_DIPSETTING( 0x02, "A 1C_3C B 2C_1C" ) PORT_DIPSETTING( 0x03, "A 1C_5C B 2C_1C" ) PORT_DIPSETTING( 0x04, "A 1C_1C B 1C_1C" ) PORT_DIPSETTING( 0x05, "A 1C_2C B 1C_1C" ) PORT_DIPSETTING( 0x06, "A 1C_3C B 1C_1C" ) PORT_DIPSETTING( 0x07, "A 1C_5C B 1C_1C" ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x08, "5" ) PORT_DIPNAME( 0x10, 0x00, "UNK04" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x00, "UNK05" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, "UNK06" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, "UNK07" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("DSW1") PORT_DIPNAME( 0x01, 0x00, "UNK10" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, "UNK11" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x00, "UNK12" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, "UNK13" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x00, "UNK14" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x00, "UNK15" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, "UNK16" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, "UNK17" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("SENSE") PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") INPUT_PORTS_END /*************************************************************************** Machine Configs ***************************************************************************/ static const gfx_layout tiles8x8x1_layout = { 8,8, RGN_FRAC(1,1), 1, { RGN_FRAC(0,1) }, { 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 tiles8x8x2_layout = { 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 GFXDECODE_START( galaxia ) GFXDECODE_ENTRY( "gfx1", 0, tiles8x8x2_layout, 0, 4 ) GFXDECODE_END static GFXDECODE_START( astrowar ) GFXDECODE_ENTRY( "gfx1", 0, tiles8x8x1_layout, 0, 8 ) GFXDECODE_END static const s2636_interface galaxia_s2636_config[3] = { { "screen", 0x100, 3, -26, "s2636snd_0" }, { "screen", 0x100, 3, -26, "s2636snd_1" }, { "screen", 0x100, 3, -26, "s2636snd_2" } }; static const s2636_interface astrowar_s2636_config = { "screen", 0x100, 3, 0, "s2636snd_0" }; static MACHINE_CONFIG_START( galaxia, galaxia_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", S2650, 2000000) /* ? MHz */ MCFG_CPU_PROGRAM_MAP(galaxia_mem_map) MCFG_CPU_IO_MAP(galaxia_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", galaxia_state, galaxia_interrupt) /* video hardware */ MCFG_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE) MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0*8, 30*8-1, 2*8, 32*8-1) MCFG_SCREEN_UPDATE_DRIVER(galaxia_state, screen_update_galaxia) MCFG_GFXDECODE(galaxia) MCFG_PALETTE_LENGTH(0x18+2) MCFG_PALETTE_INIT_OVERRIDE(galaxia_state,galaxia) MCFG_VIDEO_START_OVERRIDE(galaxia_state,galaxia) MCFG_S2636_ADD("s2636_0", galaxia_s2636_config[0]) MCFG_S2636_ADD("s2636_1", galaxia_s2636_config[1]) MCFG_S2636_ADD("s2636_2", galaxia_s2636_config[2]) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("s2636snd_0", S2636_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_SOUND_ADD("s2636snd_1", S2636_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_SOUND_ADD("s2636snd_2", S2636_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MACHINE_CONFIG_END static MACHINE_CONFIG_START( astrowar, galaxia_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", S2650, 2000000) /* ? MHz */ MCFG_CPU_PROGRAM_MAP(astrowar_mem_map) MCFG_CPU_IO_MAP(galaxia_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", galaxia_state, galaxia_interrupt) /* video hardware */ MCFG_VIDEO_ATTRIBUTES(VIDEO_ALWAYS_UPDATE) MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 2*8, 32*8-1) MCFG_SCREEN_UPDATE_DRIVER(galaxia_state, screen_update_astrowar) MCFG_GFXDECODE(astrowar) MCFG_PALETTE_LENGTH(0x18+2) MCFG_PALETTE_INIT_OVERRIDE(galaxia_state,astrowar) MCFG_VIDEO_START_OVERRIDE(galaxia_state,astrowar) MCFG_S2636_ADD("s2636_0", astrowar_s2636_config) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("s2636snd_0", S2636_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MACHINE_CONFIG_END /*************************************************************************** Game drivers ***************************************************************************/ ROM_START( galaxia ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "galaxia.8h", 0x00000, 0x0400, CRC(f3b4ffde) SHA1(15b004e7821bfc145158b1e9435f061c524f6b86) ) ROM_LOAD( "galaxia.10h", 0x00400, 0x0400, CRC(6d07fdd4) SHA1(d7d4b345a055275d59951788569db370bccd5195) ) ROM_LOAD( "galaxia.11h", 0x00800, 0x0400, CRC(1520eb3d) SHA1(3683174da701e1124af0f9c2ee4a9a84f3fea33a) ) ROM_LOAD( "galaxia.13h", 0x00c00, 0x0400, CRC(c4482770) SHA1(aee983cc3d80989f49aea4138961bb623039484a) ) ROM_LOAD( "galaxia.8i", 0x01000, 0x0400, CRC(45b88599) SHA1(3b79c21db1aa9d80fac81ac5a554e438805febd1) ) ROM_LOAD( "galaxia.10i", 0x02000, 0x0400, CRC(c0baa654) SHA1(80e0880c32ad285fbce0f7f552268b964b97cab3) ) ROM_LOAD( "galaxia.11i", 0x02400, 0x0400, CRC(4456808a) SHA1(f9e8cfdde0e17f13f1be297b2b4503ccc959b33c) ) ROM_LOAD( "galaxia.13i", 0x02800, 0x0400, CRC(cf653b9a) SHA1(fef5943de60cb5ba2459fc6ae7419e29c96a76cd) ) ROM_LOAD( "galaxia.11l", 0x02c00, 0x0400, CRC(50c6a645) SHA1(46638907bc393df6be25fc7461d73047d1746ffc) ) ROM_LOAD( "galaxia.13l", 0x03000, 0x0400, CRC(3a9c38c7) SHA1(d1e934092b69c0f3f9636eba05a1d8a6d9588e6b) ) ROM_REGION( 0x0800, "gfx1", 0 ) ROM_LOAD( "galaxia.1d", 0x00000, 0x0400, CRC(2dd50aab) SHA1(758d7a5383c9a1ee134d99e3f7025819cfbe0e0f) ) ROM_LOAD( "galaxia.3d", 0x00400, 0x0400, CRC(1dc30185) SHA1(e3c75eecb80b376ece98f602e1b9587487841824) ) ROM_REGION( 0x0200, "proms", 0 ) // unknown function ROM_LOAD( "prom.11o", 0x0000, 0x0200, CRC(ae816417) SHA1(9497857d13c943a2735c3b85798199054e613b2c) ) ROM_END ROM_START( astrowar ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "astro.8h", 0x00000, 0x0400, CRC(b0ec246c) SHA1(f9123b5e317938655f5e8b3f8a5810d0b2b7c7af) ) ROM_LOAD( "astro.10h", 0x00400, 0x0400, CRC(090d360f) SHA1(528ddcdc30a5a291bd8850ff6f134fcc19af562f) ) ROM_LOAD( "astro.11h", 0x00800, 0x0400, CRC(72ab1378) SHA1(50743c64c4775076aa6f1d8ab2e05c14884bf0ba) ) ROM_LOAD( "astro.13h", 0x00c00, 0x0400, CRC(2dc4c895) SHA1(831afbfd4ebfd6522ab0758222bc6f9826148a5d) ) ROM_LOAD( "astro.8i", 0x01000, 0x0400, CRC(ab87fbfc) SHA1(34b670f96c260f186c643e588995ae5d80377784) ) ROM_LOAD( "astro.10i", 0x02000, 0x0400, CRC(533675c1) SHA1(69cc066e1874a135a53a21b7b2461bda456504f1) ) ROM_LOAD( "astro.11i", 0x02400, 0x0400, CRC(59cf8901) SHA1(e849d4c99350b7e3453c156d91618b71b5be1163) ) ROM_LOAD( "astro.13i", 0x02800, 0x0400, CRC(5149c121) SHA1(232ba594e283fb25c31d8ae0b7d8315a81852a71) ) ROM_LOAD( "astro.11l", 0x02c00, 0x0400, CRC(29f52f57) SHA1(5cb50b82e09c537eeaeae167351fca686fde8228) ) ROM_LOAD( "astro.13l", 0x03000, 0x0400, CRC(882cdb87) SHA1(062ee8d296316cbce2eb62e72774aa4181e9847d) ) ROM_REGION( 0x0800, "gfx1", 0 ) ROM_LOAD( "astro.1d", 0x00000, 0x0400, CRC(6053f834) SHA1(e0b76800c241b3c8010c09869cecbc109b25310a) ) ROM_LOAD( "astro.3d", 0x00400, 0x0400, CRC(822505aa) SHA1(f9d3465e14bb850a286f8b4f42aa0a4044413b67) ) ROM_END GAME( 1979, galaxia, 0, galaxia, galaxia, driver_device, 0, ROT90, "Zaccaria / Zelco", "Galaxia", GAME_IMPERFECT_COLORS | GAME_IMPERFECT_GRAPHICS ) GAME( 1980, astrowar, 0, astrowar, galaxia, driver_device, 0, ROT90, "Zaccaria / Zelco", "Astro Wars", GAME_IMPERFECT_COLORS | GAME_IMPERFECT_GRAPHICS )