diff options
Diffstat (limited to 'src/mame/drivers/skyfox.c')
-rw-r--r-- | src/mame/drivers/skyfox.c | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/src/mame/drivers/skyfox.c b/src/mame/drivers/skyfox.c new file mode 100644 index 00000000000..7b290f4df1c --- /dev/null +++ b/src/mame/drivers/skyfox.c @@ -0,0 +1,436 @@ +/*************************************************************************** + + -= 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 + +***************************************************************************/ +#include "driver.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(MRA8_ROM ) // ROM + AM_RANGE(0xc000, 0xdfff) AM_READ(MRA8_RAM ) // RAM + AM_RANGE(0xe000, 0xe000) AM_READ(input_port_0_r ) // Input Ports + AM_RANGE(0xe001, 0xe001) AM_READ(input_port_1_r ) // + AM_RANGE(0xe002, 0xe002) AM_READ(input_port_2_r ) // + AM_RANGE(0xf001, 0xf001) AM_READ(input_port_3_r ) // +// 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(MWA8_ROM ) // ROM + AM_RANGE(0xc000, 0xcfff) AM_WRITE(MWA8_RAM ) // RAM + AM_RANGE(0xd000, 0xd3ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size ) // Sprites + AM_RANGE(0xd400, 0xdfff) AM_WRITE(MWA8_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(MRA8_ROM ) // ROM + AM_RANGE(0x8000, 0x87ff) AM_READ(MRA8_RAM ) // RAM + AM_RANGE(0xa001, 0xa001) AM_READ(YM2203_read_port_0_r ) // YM2203 #1 +// AM_RANGE(0xc001, 0xc001) AM_READ(YM2203_read_port_1_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(MWA8_ROM ) // ROM + AM_RANGE(0x8000, 0x87ff) AM_WRITE(MWA8_RAM ) // RAM +// AM_RANGE(0x9000, 0x9001) AM_WRITE(MWA8_NOP ) // ?? + AM_RANGE(0xa000, 0xa000) AM_WRITE(YM2203_control_port_0_w ) // YM2203 #1 + AM_RANGE(0xa001, 0xa001) AM_WRITE(YM2203_write_port_0_w ) // +// AM_RANGE(0xb000, 0xb001) AM_WRITE(MWA8_NOP ) // ?? + AM_RANGE(0xc000, 0xc000) AM_WRITE(YM2203_control_port_1_w ) // YM2203 #2 + AM_RANGE(0xc001, 0xc001) AM_WRITE(YM2203_write_port_1_w ) // +ADDRESS_MAP_END + + + + +/*************************************************************************** + + + Input Ports + + +***************************************************************************/ + +static INPUT_PORTS_START( skyfox ) + + PORT_START_TAG("IN0") // Player 1 + 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_TAG("IN1") // DSW + 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_DIPSETTING( 0x00, "20K" ) + PORT_DIPSETTING( 0x08, "30K" ) + PORT_DIPSETTING( 0x10, "40K" ) + PORT_DIPSETTING( 0x18, "50K" ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Medium ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) ) + + + PORT_START_TAG("IN2") // Coins, DSW + Vblank + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_VBLANK ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x00, "1 Coin/1 Credit 2C/1C" ) // coin A & B + PORT_DIPSETTING( 0x04, "1 Coin/2 Credits 3C/1C" ) + PORT_DIPSETTING( 0x08, "1 Coin/3 Credits 4C/1C" ) + PORT_DIPSETTING( 0x0c, "1 Coin/4 Credits 5C/1C" ) + 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_TAG("IN3") // DSW + PORT_DIPNAME( 0x07, 0x02, DEF_STR( Lives ) ) + 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_TAG("IN4") // 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( REGION_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 ((readinputportbytag("IN4") & 3) != 3) cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE); +} + +static MACHINE_DRIVER_START( skyfox ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80, 4000000) + MDRV_CPU_PROGRAM_MAP(skyfox_readmem,skyfox_writemem) + MDRV_CPU_VBLANK_INT(skyfox_interrupt,1) /* NMI caused by coin insertion */ + + MDRV_CPU_ADD(Z80, 1748000) + /* audio CPU */ + MDRV_CPU_PROGRAM_MAP(skyfox_sound_readmem,skyfox_sound_writemem) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) // we're using IPT_VBLANK + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + 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(YM2203, 1748000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) + + MDRV_SOUND_ADD(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, REGION_CPU1, 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, REGION_CPU2, 0 ) /* Sound Z80 Code */ + ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) + + ROM_REGION( 0x60000, REGION_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, REGION_GFX2, 0 ) /* Background - do not dispose */ + ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) + + ROM_REGION( 0x300, REGION_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, REGION_CPU1, 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, REGION_CPU2, 0 ) /* Sound Z80 Code */ + ROM_LOAD( "skyfox9.bin", 0x00000, 0x8000, CRC(0b283bf5) SHA1(5b14d0beea689ee7e9174017e5a127435df4fbe3) ) // 1-i + + ROM_REGION( 0x60000, REGION_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, REGION_GFX2, 0 ) /* Background - do not dispose */ + ROM_LOAD( "skyfox10.bin", 0x0000, 0x8000, CRC(19f58f9c) SHA1(6887216243b47152129448cbb4c7d52309feed03) ) // 1-j + + ROM_REGION( 0x300, REGION_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(REGION_GFX1); + UINT8 *end = RAM + memory_region_length(REGION_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 ) |