/*************************************************************************** Atari Food Fight hardware driver by Aaron Giles Games supported: * Food Fight Known bugs: * none at this time **************************************************************************** Memory map **************************************************************************** ======================================================================== MAIN CPU ======================================================================== 000000-00FFFF R xxxxxxxx xxxxxxxx Program ROM 014000-01BFFF R/W xxxxxxxx xxxxxxxx Program RAM 01C000-01CFFF R/W xxxxxxxx xxxxxxxx Motion object RAM (1024 entries x 2 words) R/W x------- -------- (0: Horizontal flip) R/W -x------ -------- (0: Vertical flip) R/W ---xxxxx -------- (0: Palette select) R/W -------- xxxxxxxx (0: Tile index) R/W xxxxxxxx -------- (1: X position) R/W -------- xxxxxxxx (1: Y position) 800000-8007FF R/W xxxxxxxx xxxxxxxx Playfield RAM (32x32 tiles) R/W x------- -------- (Tile index MSB) R/W --xxxxxx -------- (Palette select) R/W -------- xxxxxxxx (Tile index LSBs) 900000-9001FF R/W -------- ----xxxx NVRAM 940000-940007 R -------- xxxxxxxx Analog input read 944000-944007 W -------- -------- Analog input select 948000 R -------- xxxxxxxx Digital inputs R -------- x------- (Self test) R -------- -x------ (Player 2 throw) R -------- --x----- (Player 1 throw) R -------- ---x---- (Aux coin) R -------- ----x--- (2 player start) R -------- -----x-- (1 player start) R -------- ------x- (Right coin) R -------- -------x (Left coin) 948000 W -------- xxxxxxxx Digital outputs W -------- x------- (Right coin counter) W -------- -x------ (Left coin counter) W -------- --x----- (LED 2) W -------- ---x---- (LED 1) W -------- ----x--- (INT2 reset) W -------- -----x-- (INT1 reset) W -------- ------x- (Update) W -------- -------x (Playfield flip) 94C000 W -------- -------- Unknown 950000-9501FF W -------- xxxxxxxx Palette RAM (256 entries) W -------- xx------ (Blue) W -------- --xxx--- (Green) W -------- -----xxx (Red) 954000 W -------- -------- NVRAM recall 958000 W -------- -------- Watchdog A40000-A4001F R/W -------- xxxxxxxx POKEY 2 A80000-A8001F R/W -------- xxxxxxxx POKEY 1 AC0000-AC001F R/W -------- xxxxxxxx POKEY 3 ======================================================================== Interrupts: IRQ1 = 32V IRQ2 = VBLANK ======================================================================== ***************************************************************************/ #include "driver.h" #include "machine/atarigen.h" #include "sound/pokey.h" #include "foodf.h" #define MASTER_CLOCK 12096000 /************************************* * * Statics * *************************************/ static emu_timer *scanline_timer; static UINT8 whichport = 0; /************************************* * * NVRAM * *************************************/ static READ16_HANDLER( nvram_r ) { return generic_nvram16[offset] | 0xfff0; } /************************************* * * Interrupts * *************************************/ static void update_interrupts(void) { int newstate = 0; if (atarigen_scanline_int_state) newstate |= 1; if (atarigen_video_int_state) newstate |= 2; if (newstate) cpunum_set_input_line(0, newstate, ASSERT_LINE); else cpunum_set_input_line(0, 7, CLEAR_LINE); } static TIMER_CALLBACK( scanline_update ) { int scanline = param; /* WARNING: the timing of this is not perfectly accurate; it should fire on 32V (i.e., on scanlines 32, 96, 160, and 224). However, due to the interrupt structure, it cannot fire at the same time as VBLANK. I have not solved this mystery yet */ /* INT 1 is on 32V */ atarigen_scanline_int_gen(); /* advance to the next interrupt */ scanline += 64; if (scanline > 192) scanline = 0; /* set a timer for it */ timer_adjust(scanline_timer, video_screen_get_time_until_pos(0, scanline, 0), scanline, attotime_zero); } static MACHINE_START( foodf ) { state_save_register_global(whichport); scanline_timer = timer_alloc(scanline_update); } static MACHINE_RESET( foodf ) { atarigen_interrupt_reset(update_interrupts); timer_adjust(scanline_timer, video_screen_get_time_until_pos(0, 0, 0), 0, attotime_zero); } /************************************* * * Digital outputs * *************************************/ static WRITE16_HANDLER( digital_w ) { if (ACCESSING_LSB) { foodf_set_flip(data & 0x01); /* bit 1 = UPDATE */ if (!(data & 0x04)) atarigen_scanline_int_ack_w(0,0,0); if (!(data & 0x08)) atarigen_video_int_ack_w(0,0,0); output_set_led_value(0, (data >> 4) & 1); output_set_led_value(1, (data >> 5) & 1); coin_counter_w(0, (data >> 6) & 1); coin_counter_w(1, (data >> 7) & 1); } } /************************************* * * Analog inputs * *************************************/ static READ16_HANDLER( analog_r ) { return readinputport(whichport); } static WRITE16_HANDLER( analog_w ) { whichport = offset ^ 3; } /************************************* * * POKEY I/O * *************************************/ static READ16_HANDLER( pokey1_word_r ) { return pokey1_r(offset); } static READ16_HANDLER( pokey2_word_r ) { return pokey2_r(offset); } static READ16_HANDLER( pokey3_word_r ) { return pokey3_r(offset); } static WRITE16_HANDLER( pokey1_word_w ) { if (ACCESSING_LSB) pokey1_w(offset, data & 0xff); } static WRITE16_HANDLER( pokey2_word_w ) { if (ACCESSING_LSB) pokey2_w(offset, data & 0xff); } static WRITE16_HANDLER( pokey3_word_w ) { if (ACCESSING_LSB) pokey3_w(offset, data & 0xff); } /************************************* * * Main CPU memory handlers * *************************************/ static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x00ffff) AM_MIRROR(0x3e0000) AM_ROM AM_RANGE(0x014000, 0x014fff) AM_MIRROR(0x3e3000) AM_RAM AM_RANGE(0x018000, 0x018fff) AM_MIRROR(0x3e3000) AM_RAM AM_RANGE(0x01c000, 0x01c0ff) AM_MIRROR(0x3e3f00) AM_RAM AM_BASE(&spriteram16) AM_RANGE(0x800000, 0x8007ff) AM_MIRROR(0x03f800) AM_READWRITE(MRA16_RAM, atarigen_playfield_w) AM_BASE(&atarigen_playfield) AM_RANGE(0x900000, 0x9001ff) AM_MIRROR(0x03fe00) AM_READWRITE(nvram_r, MWA16_RAM) AM_BASE(&generic_nvram16) AM_SIZE(&generic_nvram_size) AM_RANGE(0x940000, 0x940007) AM_MIRROR(0x023ff8) AM_READ(analog_r) AM_RANGE(0x944000, 0x944007) AM_MIRROR(0x023ff8) AM_WRITE(analog_w) AM_RANGE(0x948000, 0x948001) AM_MIRROR(0x023ffe) AM_READWRITE(input_port_4_word_r, digital_w) AM_RANGE(0x950000, 0x9501ff) AM_MIRROR(0x023e00) AM_WRITE(foodf_paletteram_w) AM_BASE(&paletteram16) AM_RANGE(0x954000, 0x954001) AM_MIRROR(0x023ffe) AM_WRITENOP /* RECALL */ AM_RANGE(0x958000, 0x958001) AM_MIRROR(0x023ffe) AM_READWRITE(watchdog_reset16_r, watchdog_reset16_w) AM_RANGE(0xa40000, 0xa4001f) AM_MIRROR(0x03ffe0) AM_READWRITE(pokey2_word_r, pokey2_word_w) AM_RANGE(0xa80000, 0xa8001f) AM_MIRROR(0x03ffe0) AM_READWRITE(pokey1_word_r, pokey1_word_w) AM_RANGE(0xac0000, 0xac001f) AM_MIRROR(0x03ffe0) AM_READWRITE(pokey3_word_r, pokey3_word_w) ADDRESS_MAP_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( foodf ) PORT_START /* IN0 */ PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1) PORT_START /* IN1 */ PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_X ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_COCKTAIL PORT_PLAYER(2) PORT_START /* IN2 */ PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1) PORT_START /* IN3 */ PORT_BIT( 0xff, 0x7f, IPT_AD_STICK_Y ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_COCKTAIL PORT_PLAYER(2) PORT_START /* IN4 */ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) PORT_START /* SW1 */ PORT_DIPNAME( 0x07, 0x00, "Bonus Coins" ) PORT_DIPSETTING( 0x00, DEF_STR( None ) ) PORT_DIPSETTING( 0x05, "1 for every 2" ) PORT_DIPSETTING( 0x02, "1 for every 4" ) PORT_DIPSETTING( 0x01, "1 for every 5" ) PORT_DIPSETTING( 0x06, "2 for every 4" ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Coin_A )) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C )) PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C )) PORT_DIPNAME( 0x30, 0x00, DEF_STR( Coin_B )) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C )) PORT_DIPSETTING( 0x20, DEF_STR( 1C_4C )) PORT_DIPSETTING( 0x10, DEF_STR( 1C_5C )) PORT_DIPSETTING( 0x30, DEF_STR( 1C_6C )) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coinage )) PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C )) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C )) PORT_DIPSETTING( 0xc0, DEF_STR( 1C_2C )) PORT_DIPSETTING( 0x40, DEF_STR( Free_Play )) INPUT_PORTS_END /************************************* * * Graphics definitions * *************************************/ static const gfx_layout charlayout = { 8,8, RGN_FRAC(1,1), 2, { 0, 4 }, { STEP4(8*8,1), STEP4(0,1) }, { STEP8(0,8) }, 8*16 }; static const gfx_layout spritelayout = { 16,16, RGN_FRAC(1,2), 2, { RGN_FRAC(1,2), 0 }, { STEP8(8*16,1), STEP8(0,1) }, { STEP16(0,8) }, 8*32 }; static GFXDECODE_START( foodf ) GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 64 ) GFXDECODE_ENTRY( REGION_GFX2, 0, spritelayout, 0, 32 ) GFXDECODE_END /************************************* * * Sound definitions * *************************************/ static READ8_HANDLER( pot_r ) { return (readinputport(5) >> offset) << 7; } static struct POKEYinterface pokey_interface = { { pot_r,pot_r,pot_r,pot_r,pot_r,pot_r,pot_r,pot_r } }; /************************************* * * Machine driver * *************************************/ static MACHINE_DRIVER_START( foodf ) /* basic machine hardware */ MDRV_CPU_ADD(M68000, MASTER_CLOCK/2) MDRV_CPU_PROGRAM_MAP(main_map,0) MDRV_CPU_VBLANK_INT(atarigen_video_int_gen,1) MDRV_MACHINE_START(foodf) MDRV_MACHINE_RESET(foodf) MDRV_NVRAM_HANDLER(generic_1fill) MDRV_WATCHDOG_VBLANK_INIT(8) /* video hardware */ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) MDRV_GFXDECODE(foodf) MDRV_PALETTE_LENGTH(256) MDRV_SCREEN_ADD("main", 0) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_RAW_PARAMS(MASTER_CLOCK/2, 384, 0, 256, 259, 0, 224) MDRV_VIDEO_START(foodf) MDRV_VIDEO_UPDATE(foodf) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD(POKEY, MASTER_CLOCK/2/10) MDRV_SOUND_CONFIG(pokey_interface) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33) MDRV_SOUND_ADD(POKEY, MASTER_CLOCK/2/10) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33) MDRV_SOUND_ADD(POKEY, MASTER_CLOCK/2/10) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33) MACHINE_DRIVER_END /************************************* * * ROM definition(s) * *************************************/ ROM_START( foodf ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for 68000 code */ ROM_LOAD16_BYTE( "136020-301.8c", 0x000001, 0x002000, CRC(dfc3d5a8) SHA1(7abe5e9c27098bd8c93cc06f1b9e3db0744019e9) ) ROM_LOAD16_BYTE( "136020-302.9c", 0x000000, 0x002000, CRC(ef92dc5c) SHA1(eb41291615165f549a68ebc6d4664edef1a04ac5) ) ROM_LOAD16_BYTE( "136020-303.8d", 0x004001, 0x002000, CRC(64b93076) SHA1(efa4090d96aa0ffd4192a045f174ac5960810bca) ) ROM_LOAD16_BYTE( "136020-304.9d", 0x004000, 0x002000, CRC(ea596480) SHA1(752aa33a8e8045650dd32ec7c7026e00d7896e0f) ) ROM_LOAD16_BYTE( "136020-305.8e", 0x008001, 0x002000, CRC(e6cff1b1) SHA1(7c7ad2dcdff60fc092e8a825c5a6de6b506523de) ) ROM_LOAD16_BYTE( "136020-306.9e", 0x008000, 0x002000, CRC(95159a3e) SHA1(f180126671776f62242ec9fd4a82a581c551ffce) ) ROM_LOAD16_BYTE( "136020-307.8f", 0x00c001, 0x002000, CRC(17828dbb) SHA1(9d8e29a5e56a8a9c5db8561e4c20ff22f69b46ca) ) ROM_LOAD16_BYTE( "136020-308.9f", 0x00c000, 0x002000, CRC(608690c9) SHA1(419020c69ce6fded0d9af44ead8ec4727468d58b) ) ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "136020-109.6lm", 0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) ) ROM_REGION( 0x4000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "136020-110.4d", 0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) ROM_LOAD( "136020-111.4e", 0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) ROM_REGION( 0x100, REGION_PROMS, ROMREGION_DISPOSE ) ROM_LOAD( "136020-112.2p", 0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) ) ROM_END ROM_START( foodf2 ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for 68000 code */ ROM_LOAD16_BYTE( "136020-201.8c", 0x000001, 0x002000, CRC(4ee52d73) SHA1(ff4ab8169a9b260bbd1f49023a30064e2f0b6686) ) ROM_LOAD16_BYTE( "136020-202.9c", 0x000000, 0x002000, CRC(f8c4b977) SHA1(824d33baa413b2ee898c75157624ea007c92032f) ) ROM_LOAD16_BYTE( "136020-203.8d", 0x004001, 0x002000, CRC(0e9f99a3) SHA1(37bba66957ee19e7d05fcc3e4583e909809075ed) ) ROM_LOAD16_BYTE( "136020-204.9d", 0x004000, 0x002000, CRC(f667374c) SHA1(d7be70b56500e2071b7f8c810f7a3e2a6743c6bd) ) ROM_LOAD16_BYTE( "136020-205.8e", 0x008001, 0x002000, CRC(1edd05b5) SHA1(cc712a11946c103eaa808c86e15676fde8610ad9) ) ROM_LOAD16_BYTE( "136020-206.9e", 0x008000, 0x002000, CRC(bb8926b3) SHA1(95c6ba8ac6b56d1a67a47758b71712d55a959cd0) ) ROM_LOAD16_BYTE( "136020-207.8f", 0x00c001, 0x002000, CRC(c7383902) SHA1(f76e2c95fccd0cafff9346a32e0c041c291a6696) ) ROM_LOAD16_BYTE( "136020-208.9f", 0x00c000, 0x002000, CRC(608690c9) SHA1(419020c69ce6fded0d9af44ead8ec4727468d58b) ) ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "136020-109.6lm", 0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) ) ROM_REGION( 0x4000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "136020-110.4d", 0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) ROM_LOAD( "136020-111.4e", 0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) ROM_REGION( 0x100, REGION_PROMS, ROMREGION_DISPOSE ) ROM_LOAD( "136020-112.2p", 0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) ) ROM_END ROM_START( foodfc ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* 64k for 68000 code */ ROM_LOAD16_BYTE( "136020-113.8c", 0x000001, 0x002000, CRC(193a299f) SHA1(58bbf714eff22d8a47b174e4b121f14a8dcb4ef9) ) ROM_LOAD16_BYTE( "136020-114.9c", 0x000000, 0x002000, CRC(33ed6bbe) SHA1(5d80fb092d2964b851e6c5982572d4ffc5078c55) ) ROM_LOAD16_BYTE( "136020-115.8d", 0x004001, 0x002000, CRC(64b93076) SHA1(efa4090d96aa0ffd4192a045f174ac5960810bca) ) ROM_LOAD16_BYTE( "136020-116.9d", 0x004000, 0x002000, CRC(ea596480) SHA1(752aa33a8e8045650dd32ec7c7026e00d7896e0f) ) ROM_LOAD16_BYTE( "136020-117.8e", 0x008001, 0x002000, CRC(12a55db6) SHA1(508f02c72074a0e3300ec32c181e4f72cbc4245f) ) ROM_LOAD16_BYTE( "136020-118.9e", 0x008000, 0x002000, CRC(e6d451d4) SHA1(03bfa932ed419572c08942ad159288b38d24d90f) ) ROM_LOAD16_BYTE( "136020-119.8f", 0x00c001, 0x002000, CRC(455cc891) SHA1(9f7764c15dea7568326860b910686fec644c42c2) ) ROM_LOAD16_BYTE( "136020-120.9f", 0x00c000, 0x002000, CRC(34173910) SHA1(19e6032c22d20410386516ffc1a809ae50431c65) ) ROM_REGION( 0x2000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "136020-109.6lm", 0x000000, 0x002000, CRC(c13c90eb) SHA1(ebd2bbbdd7e184851d1ab4b5648481d966c78cc2) ) ROM_REGION( 0x4000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "136020-110.4d", 0x000000, 0x002000, CRC(8870e3d6) SHA1(702007d3d543f872b5bf5d00b49f6e05b46d6600) ) ROM_LOAD( "136020-111.4e", 0x002000, 0x002000, CRC(84372edf) SHA1(9beef3ff3b28405c45d691adfbc233921073be47) ) ROM_REGION( 0x100, REGION_PROMS, ROMREGION_DISPOSE ) ROM_LOAD( "136020-112.2p", 0x000000, 0x000100, CRC(0aa962d6) SHA1(efb51e4c95efb1b85206c416c1d6d35c6f4ff35c) ) ROM_END /************************************* * * Game driver(s) * *************************************/ GAME( 1982, foodf, 0, foodf, foodf, 0, ROT0, "Atari", "Food Fight (rev 3)", GAME_SUPPORTS_SAVE ) GAME( 1982, foodf2, foodf, foodf, foodf, 0, ROT0, "Atari", "Food Fight (rev 2)", GAME_SUPPORTS_SAVE ) GAME( 1982, foodfc, foodf, foodf, foodf, 0, ROT0, "Atari", "Food Fight (cocktail)", GAME_SUPPORTS_SAVE )