diff options
Diffstat (limited to 'src/mame/drivers/suprloco.c')
-rw-r--r-- | src/mame/drivers/suprloco.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/src/mame/drivers/suprloco.c b/src/mame/drivers/suprloco.c new file mode 100644 index 00000000000..fa7b29cf3ec --- /dev/null +++ b/src/mame/drivers/suprloco.c @@ -0,0 +1,298 @@ +/****************************************************************************** + +Super Locomotive + +driver by Zsolt Vasvari + +TODO: +- Bit 5 in suprloco_control_w is pulsed when loco turns "super". This is supposed + to make red parts of sprites blink to purple, it's not clear how this is + implemented in hardware, there's a hack to support it. + +******************************************************************************/ + +#include "driver.h" +#include "video/system1.h" +#include "cpu/z80/z80.h" +#include "machine/segacrpt.h" +#include "sound/sn76496.h" + +extern UINT8 *suprloco_videoram; + +PALETTE_INIT( suprloco ); +VIDEO_START( suprloco ); +VIDEO_UPDATE( suprloco ); +WRITE8_HANDLER( suprloco_videoram_w ); +WRITE8_HANDLER( suprloco_scrollram_w ); +READ8_HANDLER( suprloco_scrollram_r ); +WRITE8_HANDLER( suprloco_control_w ); +READ8_HANDLER( suprloco_control_r ); + + +static WRITE8_HANDLER( suprloco_soundport_w ) +{ + soundlatch_w(0,data); + cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE); + /* spin for a while to let the Z80 read the command (fixes hanging sound in Regulus) */ + cpu_spinuntil_time(ATTOTIME_IN_USEC(50)); +} + + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0x8000, 0xbfff) AM_READ(MRA8_ROM) + AM_RANGE(0xc000, 0xc1ff) AM_READ(MRA8_RAM) + AM_RANGE(0xc800, 0xc800) AM_READ(input_port_0_r) + AM_RANGE(0xd000, 0xd000) AM_READ(input_port_1_r) + AM_RANGE(0xd800, 0xd800) AM_READ(input_port_2_r) + AM_RANGE(0xe000, 0xe000) AM_READ(input_port_3_r) + AM_RANGE(0xe001, 0xe001) AM_READ(input_port_4_r) + AM_RANGE(0xe801, 0xe801) AM_READ(suprloco_control_r) + AM_RANGE(0xf000, 0xf6ff) AM_READ(MRA8_RAM) + AM_RANGE(0xf7e0, 0xf7ff) AM_READ(suprloco_scrollram_r) + AM_RANGE(0xf800, 0xffff) AM_READ(MRA8_RAM) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x8000, 0xbfff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xc000, 0xc1ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size) + AM_RANGE(0xe800, 0xe800) AM_WRITE(suprloco_soundport_w) + AM_RANGE(0xe801, 0xe801) AM_WRITE(suprloco_control_w) + AM_RANGE(0xf000, 0xf6ff) AM_WRITE(suprloco_videoram_w) AM_BASE(&suprloco_videoram) + AM_RANGE(0xf7e0, 0xf7ff) AM_WRITE(suprloco_scrollram_w) + AM_RANGE(0xf800, 0xffff) AM_WRITE(MWA8_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(0xe000, 0xe000) 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(0xa000, 0xa003) AM_WRITE(SN76496_0_w) + AM_RANGE(0xc000, 0xc003) AM_WRITE(SN76496_1_w) +ADDRESS_MAP_END + + + +static INPUT_PORTS_START( suprloco ) + PORT_START_TAG("IN0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_SERVICE_NO_TOGGLE(0x04, IP_ACTIVE_LOW) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START_TAG("IN1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START_TAG("IN2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL + PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START_TAG("DSW1") + PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_A ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0x38, 0x00, DEF_STR( Coin_B ) ) + PORT_DIPSETTING( 0x38, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x30, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x28, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x10, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x18, DEF_STR( 1C_6C ) ) + PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Lives ) ) + PORT_DIPSETTING( 0x00, "2" ) + PORT_DIPSETTING( 0x40, "3" ) + PORT_DIPSETTING( 0x80, "4" ) + PORT_DIPSETTING( 0xc0, "5" ) + + PORT_START_TAG("DSW2") + PORT_DIPNAME( 0x03, 0x00, DEF_STR( Bonus_Life ) ) + PORT_DIPSETTING( 0x00, "20000" ) + PORT_DIPSETTING( 0x01, "30000" ) + PORT_DIPSETTING( 0x02, "40000" ) + PORT_DIPSETTING( 0x03, "50000" ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unused ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Free_Play ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) + PORT_DIPNAME( 0x20, 0x20, "Infinite Lives (Cheat)") + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, "Initial Entry" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x40, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) ) + +INPUT_PORTS_END + + +static const gfx_layout charlayout = +{ + 8,8, /* 8 by 8 */ + 1024, /* 1024 characters */ + 4, /* 4 bits per pixel */ + { 0, 1024*8*8, 2*1024*8*8, 3*1024*8*8 }, /* plane */ + { 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( suprloco ) + /* sprites use colors 256-511 + 512-767 */ + GFXDECODE_ENTRY( REGION_GFX1, 0x6000, charlayout, 0, 16 ) +GFXDECODE_END + + + +static MACHINE_DRIVER_START( suprloco ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80, 4000000) /* 4 MHz (?) */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) + + MDRV_CPU_ADD(Z80, 4000000) + /* audio CPU */ + MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem) + MDRV_CPU_VBLANK_INT(irq0_line_hold,4) /* NMIs are caused by the main CPU */ + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(5000)) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 0*8, 28*8-1) + MDRV_GFXDECODE(suprloco) + MDRV_PALETTE_LENGTH(512+256) + + MDRV_PALETTE_INIT(suprloco) + MDRV_VIDEO_START(suprloco) + MDRV_VIDEO_UPDATE(suprloco) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(SN76496, 4000000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) + + MDRV_SOUND_ADD(SN76496, 2000000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( suprloco ) + ROM_REGION( 2*0x10000, REGION_CPU1, 0 ) /* 64k for code + 64k for decrypted opcodes */ + ROM_LOAD( "ic37.bin", 0x0000, 0x4000, CRC(57f514dd) SHA1(707800b90a22547a56b01d1e11775e9ee5555d23) ) /* encrypted */ + ROM_LOAD( "ic15.bin", 0x4000, 0x4000, CRC(5a1d2fb0) SHA1(fdb9416e5530718245fd597073a63feddb233c3c) ) /* encrypted */ + ROM_LOAD( "ic28.bin", 0x8000, 0x4000, CRC(a597828a) SHA1(61004d112591fd2d752c39df71c1304d9308daae) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) + ROM_LOAD( "ic64.bin", 0x0000, 0x2000, CRC(0aa57207) SHA1(b29b533505cb5b47c90534f2f610baeb7265d030) ) + + ROM_REGION( 0xe000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "ic63.bin", 0x0000, 0x2000, CRC(e571fe81) SHA1(ac2b5914a445b89b7456b2c4290e4630b525f05d) ) + ROM_LOAD( "ic62.bin", 0x2000, 0x2000, CRC(6130f93c) SHA1(ae0657f46c10e75eec994e75359a89b5d61baf68) ) + ROM_LOAD( "ic61.bin", 0x4000, 0x2000, CRC(3b03004e) SHA1(805b51cb14d3ace97f2e0f306db28921b2f5e322) ) + /*0x6000- 0xe000 will be created by init_suprloco */ + + ROM_REGION( 0x8000, REGION_GFX2, 0 ) /* 32k for sprites data used at runtime */ + ROM_LOAD( "ic55.bin", 0x0000, 0x4000, CRC(ee2d3ed3) SHA1(593f3cd5c4e7f20b5e31e6bac8864774442e4b75) ) + ROM_LOAD( "ic56.bin", 0x4000, 0x2000, CRC(f04a4b50) SHA1(80363f0c508fb2a755bf684f9a6862c1e7285495) ) + /*0x6000 empty */ + + ROM_REGION( 0x0620, REGION_PROMS, 0 ) + ROM_LOAD( "ic100.bin", 0x0100, 0x0080, CRC(7b0c8ce5) SHA1(4e1ea5ce38198a3965dfeb609ba0c7e8211531c3) ) /* color PROM */ + ROM_CONTINUE( 0x0000, 0x0080 ) + ROM_CONTINUE( 0x0180, 0x0080 ) + ROM_CONTINUE( 0x0080, 0x0080 ) + ROM_LOAD( "ic89.bin", 0x0200, 0x0400, CRC(1d4b02cb) SHA1(00d822f1bc4f57f2f5d5a0615241f8136246a842) ) /* 3bpp to 4bpp table */ + ROM_LOAD( "ic7.bin", 0x0600, 0x0020, CRC(89ba674f) SHA1(17c87840c8011968675a5a6f55966467df02364b) ) /* unknown */ +ROM_END + + + +static DRIVER_INIT( suprloco ) +{ + /* convert graphics to 4bpp from 3bpp */ + + int i, j, k, color_source, color_dest; + UINT8 *source, *dest, *lookup; + + source = memory_region(REGION_GFX1); + dest = source + 0x6000; + lookup = memory_region(REGION_PROMS) + 0x0200; + + for (i = 0; i < 0x80; i++, lookup += 8) + { + for (j = 0; j < 0x40; j++, source++, dest++) + { + dest[0] = dest[0x2000] = dest[0x4000] = dest[0x6000] = 0; + + for (k = 0; k < 8; k++) + { + color_source = (((source[0x0000] >> k) & 0x01) << 2) | + (((source[0x2000] >> k) & 0x01) << 1) | + (((source[0x4000] >> k) & 0x01) << 0); + + color_dest = lookup[color_source]; + + dest[0x0000] |= (((color_dest >> 3) & 0x01) << k); + dest[0x2000] |= (((color_dest >> 2) & 0x01) << k); + dest[0x4000] |= (((color_dest >> 1) & 0x01) << k); + dest[0x6000] |= (((color_dest >> 0) & 0x01) << k); + } + } + } + + + /* decrypt program ROMs */ + suprloco_decode(); +} + + + +GAME( 1982, suprloco, 0, suprloco, suprloco, suprloco, ROT0, "Sega", "Super Locomotive", 0 ) |