/*************************************************************************** -= Sky Fox / Exerizer =- driver by Luca Elia (l.elia@tin.it) CPU : Z80A x 2 Sound: YM2203C x 2 Other: 2 HM6116LP-3 (one on each board) 1 KM6264L-15 (on bottom board) To Do: The background rendering is entirely guesswork 2008-07 Verified Dip locations and recommended settings with manual ***************************************************************************/ #include "driver.h" #include "cpu/z80/z80.h" #include "sound/2203intf.h" /* Variables defined in video: */ extern int skyfox_bg_pos, skyfox_bg_ctrl; /* Functions defined in video: */ READ8_HANDLER( skyfox_vregs_r ); WRITE8_HANDLER( skyfox_vregs_w ); PALETTE_INIT( skyfox ); VIDEO_UPDATE( skyfox ); /*************************************************************************** Main CPU ***************************************************************************/ /*************************************************************************** Sky Fox ***************************************************************************/ static ADDRESS_MAP_START( skyfox_readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0xbfff) AM_READ(SMH_ROM ) // ROM AM_RANGE(0xc000, 0xdfff) AM_READ(SMH_RAM ) // RAM AM_RANGE(0xe000, 0xe000) AM_READ_PORT("INPUTS") // Input Ports AM_RANGE(0xe001, 0xe001) AM_READ_PORT("DSW0") // AM_RANGE(0xe002, 0xe002) AM_READ_PORT("DSW1") // AM_RANGE(0xf001, 0xf001) AM_READ_PORT("DSW2") // // AM_RANGE(0xff00, 0xff07) AM_READ(skyfox_vregs_r ) // fake to read the vregs ADDRESS_MAP_END static ADDRESS_MAP_START( skyfox_writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0xbfff) AM_WRITE(SMH_ROM ) // ROM AM_RANGE(0xc000, 0xcfff) AM_WRITE(SMH_RAM ) // RAM AM_RANGE(0xd000, 0xd3ff) AM_WRITE(SMH_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size ) // Sprites AM_RANGE(0xd400, 0xdfff) AM_WRITE(SMH_RAM ) // RAM? AM_RANGE(0xe008, 0xe00f) AM_WRITE(skyfox_vregs_w ) // Video Regs ADDRESS_MAP_END /*************************************************************************** Sound CPU ***************************************************************************/ /*************************************************************************** Sky Fox ***************************************************************************/ static ADDRESS_MAP_START( skyfox_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_READ(SMH_ROM ) // ROM AM_RANGE(0x8000, 0x87ff) AM_READ(SMH_RAM ) // RAM AM_RANGE(0xa000, 0xa001) AM_DEVREAD("ym1", ym2203_r) // YM2203 #1 // AM_RANGE(0xc000, 0xc001) AM_DEVREAD("ym2", ym2203_r ) // YM2203 #2 AM_RANGE(0xb000, 0xb000) AM_READ(soundlatch_r ) // From Main CPU ADDRESS_MAP_END static ADDRESS_MAP_START( skyfox_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_WRITE(SMH_ROM ) // ROM AM_RANGE(0x8000, 0x87ff) AM_WRITE(SMH_RAM ) // RAM // AM_RANGE(0x9000, 0x9001) AM_WRITE(SMH_NOP ) // ?? AM_RANGE(0xa000, 0xa001) AM_DEVWRITE("ym1", ym2203_w ) // // AM_RANGE(0xb000, 0xb001) AM_WRITE(SMH_NOP ) // ?? AM_RANGE(0xc000, 0xc001) AM_DEVWRITE("ym2", ym2203_w ) // ADDRESS_MAP_END /*************************************************************************** Input Ports ***************************************************************************/ static INPUT_PORTS_START( skyfox ) PORT_START("INPUTS") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) PORT_START("DSW0") PORT_DIPNAME( 0x01, 0x01, "Unknown 1-0" ) // rest unused? PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, "Unknown 1-1" ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, "Unknown 1-2" ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x18, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:4,5") PORT_DIPSETTING( 0x00, "20K" ) PORT_DIPSETTING( 0x08, "30K" ) PORT_DIPSETTING( 0x10, "40K" ) PORT_DIPSETTING( 0x18, "50K" ) PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:6") PORT_DIPSETTING( 0x20, DEF_STR( Medium ) ) PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW1:7") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:8") PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) ) PORT_START("DSW1") // Coins, DSW + Vblank PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_VBLANK ) PORT_DIPNAME( 0x0e, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW2:1,2,3") PORT_DIPSETTING( 0x0e, DEF_STR( 5C_1C ) ) PORT_DIPSETTING( 0x0a, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) ) /* According to manual, there is also "SW2:4" which has to be always OFF */ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("DSW2") // DSW PORT_DIPNAME( 0x07, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2,3") PORT_DIPSETTING( 0x00, "1" ) PORT_DIPSETTING( 0x01, "2" ) PORT_DIPSETTING( 0x02, "3" ) PORT_DIPSETTING( 0x03, "4" ) PORT_DIPSETTING( 0x04, "5" ) // PORT_DIPSETTING( 0x05, "5" ) // PORT_DIPSETTING( 0x06, "5" ) PORT_DIPSETTING( 0x07, "Infinite (Cheat)") PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("COINS") // Fake input port, polled every VBLANK to generate an NMI upon coin insertion PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1) INPUT_PORTS_END /*************************************************************************** Graphics Layouts ***************************************************************************/ /* 8x8x8 tiles (note that the tiles in the ROMs are 32x32x8, but we cut them in 8x8x8 ones in the init function, in order to support 8x8, 16x16 and 32x32 sprites. */ static const gfx_layout layout_8x8x8 = { 8,8, RGN_FRAC(1,1), 8, {0,1,2,3,4,5,6,7}, {0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8}, {0*64,1*64,2*64,3*64,4*64,5*64,6*64,7*64}, 8*8*8 }; /*************************************************************************** Sky Fox ***************************************************************************/ static GFXDECODE_START( skyfox ) GFXDECODE_ENTRY( "gfx1", 0, layout_8x8x8, 0, 1 ) // [0] Sprites GFXDECODE_END /*************************************************************************** Machine Drivers ***************************************************************************/ /*************************************************************************** Sky Fox ***************************************************************************/ /* Check for coin insertion once a frame (polling a fake input port). Generate an NMI in case. Scroll the background too. */ static INTERRUPT_GEN( skyfox_interrupt ) { /* Scroll the bg */ skyfox_bg_pos += (skyfox_bg_ctrl >> 1) & 0x7; // maybe.. /* Check coin 1 & 2 */ if ((input_port_read(device->machine, "COINS") & 3) != 3) cpu_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE); } static MACHINE_DRIVER_START( skyfox ) /* basic machine hardware */ MDRV_CPU_ADD("maincpu", Z80, 4000000) MDRV_CPU_PROGRAM_MAP(skyfox_readmem,skyfox_writemem) MDRV_CPU_VBLANK_INT("screen", skyfox_interrupt) /* NMI caused by coin insertion */ MDRV_CPU_ADD("audiocpu", Z80, 1748000) MDRV_CPU_PROGRAM_MAP(skyfox_sound_readmem,skyfox_sound_writemem) /* video hardware */ MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) // we're using IPT_VBLANK MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(512, 256) MDRV_SCREEN_VISIBLE_AREA(0+0x60, 320-1+0x60, 0+16, 256-1-16) // from $30*2 to $CC*2+8 MDRV_GFXDECODE(skyfox) MDRV_PALETTE_LENGTH(256+256) /* 256 static colors (+256 for the background??) */ MDRV_PALETTE_INIT(skyfox) MDRV_VIDEO_UPDATE(skyfox) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ym1", YM2203, 1748000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MDRV_SOUND_ADD("ym2", YM2203, 1748000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MACHINE_DRIVER_END /*************************************************************************** ROMs Loading ***************************************************************************/ /*************************************************************************** Sky Fox c042 : Lives c044-5 : Score (BCD) c048-9 : Power (BCD) ***************************************************************************/ /*************************************************************************** Exerizer [Bootleg] malcor Location Type File ID Checksum ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ TB 5E 27C256 1-J F302 [ background ] TB 5N 27C256 1-I F5E3 [ sound ] LB 27C256 1-A A53E [ program 1 ] LB 27C256 1-B 382C [ program 2 ] LB 27C512 1-C CDAC [ GFX ] LB 27C512 1-D 9C7A [ GFX ] LB 27C512 1-E D808 [ GFX ] LB 27C512 1-F F87E [ GFX ] LB 27C512 1-G 9709 [ GFX ] LB 27C512 1-H DFDA [ GFX ] TB 82S129 1.BPR 0972 [ video blue ] TB 82S129 2.BPR 0972 [ video red ] TB 82S129 3.BPR 0972 [ video green ] Lower board ROM locations: ---=======------=======---- | CN2 CN1 | | 1-A | | | | 1-B | | | | | | 1 1 1 1 1 1| | H G F E D C| --------------------------- Notes - This archive is of a bootleg copy, - Japanese program revision - Although the colour PROMs have the same checksums, they are not the same. Main processor - Z80 4MHz Sound processor - Z80 1.748MHz - YM2203C x2 ***************************************************************************/ ROM_START( skyfox ) ROM_REGION( 0x10000, "maincpu", 0 ) /* Main Z80 Code */ ROM_LOAD( "skyfox1.bin", 0x00000, 0x8000, CRC(b4d4bb6f) SHA1(ed1cf6d91ca7170cb7d1c80b586c11164430fd49) ) ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // identical halves ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound Z80 Code */ ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD( "skyfox3.bin", 0x00000, 0x10000, CRC(3a17a929) SHA1(973fb36af416161e04a83d7869819d9b13df18cd) ) ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) ROM_LOAD( "skyfox5.bin", 0x20000, 0x10000, CRC(c1215a6e) SHA1(5ca30be8a68ac6a00907cc9e47ede0acec980f46) ) ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) ROM_LOAD( "skyfox7.bin", 0x40000, 0x10000, CRC(fa2ab5b4) SHA1(c0878b25dae28f7d49e14376ff885d1d4e3d5dfe) ) ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) ROM_REGION( 0x08000, "gfx2", 0 ) /* Background - do not dispose */ ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) ROM_REGION( 0x300, "proms", 0 ) /* Color Proms */ ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // R ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // G ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // B ROM_END ROM_START( exerizrb ) ROM_REGION( 0x10000, "maincpu", 0 ) /* Main Z80 Code */ ROM_LOAD( "1-a", 0x00000, 0x8000, CRC(5df72a5d) SHA1(ca35ac06f3702fd650a584da2f442fbc61c00fce) ) ROM_LOAD( "skyfox2.bin", 0x08000, 0x8000, CRC(e15e0263) SHA1(005934327834aed46b17161aef82117ee508e9c4) ) // 1-b ROM_REGION( 0x10000, "audiocpu", 0 ) /* Sound Z80 Code */ ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD( "1-c", 0x00000, 0x10000, CRC(450e9381) SHA1(f99b2ca73f1e4ba91b8066bb6d28d33b66a3ee81) ) ROM_LOAD( "skyfox4.bin", 0x10000, 0x10000, CRC(358053bb) SHA1(589e3270eda0d44e73fbc7ac06e782f332920b39) ) // 1-d ROM_LOAD( "1-e", 0x20000, 0x10000, CRC(50a38c60) SHA1(a4b8d530914d6c85b15940a7821b4365068de668) ) ROM_LOAD( "skyfox6.bin", 0x30000, 0x10000, CRC(cc37e15d) SHA1(80806df6185f7b8c2d3ab98420ca514df3e63c8d) ) // 1-f ROM_LOAD( "1-g", 0x40000, 0x10000, CRC(c9bbfe5c) SHA1(ce3f7d32baa8bb0bfc110877b5b5f4648ee959ac) ) ROM_LOAD( "skyfox8.bin", 0x50000, 0x10000, CRC(0e3edc49) SHA1(3d1c59ecaabe1c9517203b7e814db41d5cff0cd4) ) // 1-h ROM_REGION( 0x08000, "gfx2", 0 ) /* Background - do not dispose */ ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j ROM_REGION( 0x300, "proms", 0 ) /* Color Proms */ ROM_LOAD( "sfoxrprm.bin", 0x000, 0x100, CRC(79913c7f) SHA1(e64e6a3eb55f37984cb2597c8ffba6bc3bad49c7) ) // 2-bpr ROM_LOAD( "sfoxgprm.bin", 0x100, 0x100, CRC(fb73d434) SHA1(4a9bd61fbdce9441753c5921f95ead5c4655957e) ) // 3-bpr ROM_LOAD( "sfoxbprm.bin", 0x200, 0x100, CRC(60d2ab41) SHA1(e58a54f2aaee5c07136d5437e513d61fb18fbd9f) ) // 1-bpr ROM_END /* Untangle the graphics: cut each 32x32x8 tile in 16 8x8x8 tiles */ static DRIVER_INIT( skyfox ) { UINT8 *RAM = memory_region(machine, "gfx1"); UINT8 *end = RAM + memory_region_length(machine, "gfx1"); UINT8 buf[32*32]; while (RAM < end) { int i; for (i=0;i<(32*32);i++) buf[i] = RAM[(i%8) + ((i/8)%8)*32 + ((i/64)%4)*8 + (i/256)*256]; memcpy(RAM,buf,32*32); RAM += 32*32; } } GAME( 1987, skyfox, 0, skyfox, skyfox, skyfox, ROT90, "Jaleco (Nichibutsu USA license)", "Sky Fox" , 0 ) GAME( 1987, exerizrb, skyfox, skyfox, skyfox, skyfox, ROT90, "Jaleco", "Exerizer (Japan) (bootleg)", 0 )