diff options
Diffstat (limited to 'src/mame/drivers/zerozone.c')
-rw-r--r-- | src/mame/drivers/zerozone.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/src/mame/drivers/zerozone.c b/src/mame/drivers/zerozone.c new file mode 100644 index 00000000000..166013936ee --- /dev/null +++ b/src/mame/drivers/zerozone.c @@ -0,0 +1,267 @@ +/*************************************************************************** + +Zero Zone memory map + +driver by Brad Oliver + +CPU 1 : 68000, uses irq 1 + +0x000000 - 0x01ffff : ROM +0x080000 - 0x08000f : input ports and dipswitches +0x088000 - 0x0881ff : palette RAM, 256 total colors +0x09ce00 - 0x09d9ff : video ram, 48x32 +0x0c0000 - 0x0cffff : RAM +0x0f8000 - 0x0f87ff : RAM (unused?) + +Stephh's notes : + + IMO, the game only has 2 buttons (1 to rotate the pieces and 1 for help). + The 3rd button (when the Dip Switch is activated) subs one "line" + (0x0c0966 for player 1 and 0x0c1082 for player 2) each time it is pressed. + As I don't see why such thing would REALLY exist, I've added the + IPF_CHEAT flag for the Dip Switch and the 3rd button of each player. + +TODO: + * adpcm samples don't seem to be playing at the proper tempo - too fast? + + +***************************************************************************/ +#include "driver.h" +#include "sound/okim6295.h" + +VIDEO_START( zerozone ); +VIDEO_UPDATE( zerozone ); +WRITE16_HANDLER( zerozone_tilemap_w ); +WRITE16_HANDLER( zerozone_tilebank_w ); + +extern UINT16 *zerozone_videoram; + +static READ16_HANDLER( zerozone_input_r ) +{ + switch (offset) + { + case 0x00: + return readinputport(0); /* IN0 */ + case 0x01: + return (readinputport(1) | (readinputport(2) << 8)); /* IN1 & IN2 */ + case 0x04: + return (readinputport(4) << 8); + case 0x05: + return readinputport(3); + } + +logerror("CPU #0 PC %06x: warning - read unmapped memory address %06x\n",activecpu_get_pc(),0x800000+offset); + + return 0x00; +} + + +static WRITE16_HANDLER( zerozone_sound_w ) +{ + if (ACCESSING_MSB) + { + soundlatch_w(offset,data >> 8); + cpunum_set_input_line_and_vector(1,0,HOLD_LINE,0xff); + } +} + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x000000, 0x01ffff) AM_READ(MRA16_ROM) + AM_RANGE(0x080000, 0x08000f) AM_READ(zerozone_input_r) + AM_RANGE(0x088000, 0x0881ff) AM_READ(MRA16_RAM) + AM_RANGE(0x098000, 0x098001) AM_READ(MRA16_RAM) /* watchdog? */ + AM_RANGE(0x09ce00, 0x09ffff) AM_READ(MRA16_RAM) + AM_RANGE(0x0c0000, 0x0cffff) AM_READ(MRA16_RAM) + AM_RANGE(0x0f8000, 0x0f87ff) AM_READ(MRA16_RAM) // never actually used +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x000000, 0x01ffff) AM_WRITE(MWA16_ROM) + AM_RANGE(0x084000, 0x084001) AM_WRITE(zerozone_sound_w) + AM_RANGE(0x088000, 0x0881ff) AM_WRITE(paletteram16_RRRRGGGGBBBBRGBx_word_w) AM_BASE(&paletteram16) + AM_RANGE(0x09ce00, 0x09ddff) AM_WRITE(zerozone_tilemap_w) AM_BASE(&zerozone_videoram) AM_SIZE(&videoram_size) + AM_RANGE(0x0b4000, 0x0b4001) AM_WRITE(zerozone_tilebank_w) + AM_RANGE(0x0c0000, 0x0cffff) AM_WRITE(MWA16_RAM) /* RAM */ + AM_RANGE(0x0f8000, 0x0f87ff) AM_WRITE(MWA16_RAM) +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0x8000, 0x87ff) AM_READ(MRA8_RAM) + AM_RANGE(0x9800, 0x9800) AM_READ(OKIM6295_status_0_r) + AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x8000, 0x87ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0x9800, 0x9800) AM_WRITE(OKIM6295_data_0_w) +ADDRESS_MAP_END + +static INPUT_PORTS_START( zerozone ) + PORT_START_TAG("IN0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 ) + 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("IN1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Score Line (Cheat)") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START_TAG("IN2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Score Line (Cheat)") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START_TAG("DSWA") + PORT_DIPNAME( 0x07, 0x07, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_4C ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x08, "In Game Default" ) // 130, 162 or 255 "lines" + PORT_DIPSETTING( 0x00, "Always Hard" ) // 255 "lines" + PORT_DIPNAME( 0x10, 0x10, "Speed" ) + PORT_DIPSETTING( 0x10, DEF_STR( Normal ) ) // Drop every 20 frames + PORT_DIPSETTING( 0x00, "Fast" ) // Drop every 18 frames + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x20, DEF_STR( On ) ) + PORT_DIPUNUSED( 0x40, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x80, IP_ACTIVE_LOW ) + + PORT_START_TAG("DSWB") + PORT_DIPUNUSED( 0x01, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x02, IP_ACTIVE_LOW ) + PORT_DIPNAME( 0x04, 0x04, "Helps" ) + PORT_DIPSETTING( 0x04, "1" ) + PORT_DIPSETTING( 0x00, "2" ) + PORT_DIPNAME( 0x08, 0x08, "Bonus Help" ) + PORT_DIPSETTING( 0x00, "30000" ) + PORT_DIPSETTING( 0x08, DEF_STR( None ) ) + PORT_DIPNAME( 0x10, 0x10, "Activate 'Score Line'? (Cheat)") + PORT_DIPSETTING( 0x10, DEF_STR( No ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) + PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW ) + PORT_DIPUNUSED( 0x40, IP_ACTIVE_LOW ) + PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) +INPUT_PORTS_END + + +static const gfx_layout charlayout = +{ + 8,8, /* 8*8 characters */ + RGN_FRAC(1,1), /* 4096 characters */ + 4, /* 4 bits per pixel */ + { 0, 1, 2, 3 }, + { 0, 4, 8+0, 8+4, 16+0, 16+4, 24+0, 24+4 }, + { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, + 32*8 /* every sprite takes 32 consecutive bytes */ +}; + + +static GFXDECODE_START( zerozone ) + GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 256 ) /* sprites & playfield */ +GFXDECODE_END + + +static MACHINE_DRIVER_START( zerozone ) + + /* basic machine hardware */ + MDRV_CPU_ADD(M68000, 10000000) /* 10 MHz */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(irq1_line_hold,1) + + MDRV_CPU_ADD(Z80, 1000000) + /* audio CPU */ /* 1 MHz ??? */ + MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + MDRV_INTERLEAVE(10) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(64*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(1*8, 47*8-1, 2*8, 30*8-1) + MDRV_GFXDECODE(zerozone) + MDRV_PALETTE_LENGTH(256) + + MDRV_VIDEO_START(zerozone) + MDRV_VIDEO_UPDATE(zerozone) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(OKIM6295, 1056000) + MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( zerozone ) + ROM_REGION( 0x20000, REGION_CPU1, 0 ) /* 128k for 68000 code */ + ROM_LOAD16_BYTE( "zz-4.rom", 0x0000, 0x10000, CRC(83718b9b) SHA1(b3fc6da5816142b9c92a7b8615eb5bcb2c78ea46) ) + ROM_LOAD16_BYTE( "zz-5.rom", 0x0001, 0x10000, CRC(18557f41) SHA1(6ef908732b7775c1ea2b33f799635075db5756de) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* sound cpu */ + ROM_LOAD( "zz-1.rom", 0x00000, 0x08000, CRC(223ccce5) SHA1(3aa25ca914960b929dc853d07a958ed874e42fee) ) + + ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "zz-6.rom", 0x00000, 0x80000, CRC(c8b906b9) SHA1(1775d69df6397d6772b20c65751d44556d76c033) ) + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "zz-2.rom", 0x00000, 0x20000, CRC(c7551e81) SHA1(520de3074fa6a71fef10d5a76cba5580fd1cbbae) ) + ROM_LOAD( "zz-3.rom", 0x20000, 0x20000, CRC(e348ff5e) SHA1(6d2755d9b31366f4c2ddd296790234deb8f821c8) ) +ROM_END + +ROM_START( lvgirl94 ) + ROM_REGION( 0x20000, REGION_CPU1, 0 ) /* 128k for 68000 code */ + ROM_LOAD16_BYTE( "rom4", 0x0000, 0x10000, CRC(c4fb449e) SHA1(dd1c567ba2cf951267dd622e2e9af265e742f246) ) + ROM_LOAD16_BYTE( "rom5", 0x0001, 0x10000, CRC(5d446a1a) SHA1(2d7ea25e5b86e7cf4eb7f10daa1eaaaed6830a53) ) + + ROM_REGION( 0x080000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "rom6", 0x00000, 0x40000, CRC(eeeb94ba) SHA1(9da09312c090ef2d40f596247d9a7decf3724e54) ) + + /* sound roms are the same as zerozone */ + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* sound cpu */ + ROM_LOAD( "rom1", 0x00000, 0x08000, CRC(223ccce5) SHA1(3aa25ca914960b929dc853d07a958ed874e42fee) ) + + ROM_REGION( 0x40000, REGION_SOUND1, 0 ) /* ADPCM samples */ + ROM_LOAD( "rom2", 0x00000, 0x20000, CRC(c7551e81) SHA1(520de3074fa6a71fef10d5a76cba5580fd1cbbae) ) + ROM_LOAD( "rom3", 0x20000, 0x20000, CRC(e348ff5e) SHA1(6d2755d9b31366f4c2ddd296790234deb8f821c8) ) +ROM_END + + +GAME( 1993, zerozone, 0, zerozone, zerozone, 0, ROT0, "Comad", "Zero Zone", 0 ) +GAME( 1994, lvgirl94, 0, zerozone, zerozone, 0, ROT0, "Comad", "Las Vegas Girl (Girl '94)", 0 ) |