diff options
Diffstat (limited to 'src/mame/drivers/carrera.c')
-rw-r--r-- | src/mame/drivers/carrera.c | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/src/mame/drivers/carrera.c b/src/mame/drivers/carrera.c new file mode 100644 index 00000000000..ea458280417 --- /dev/null +++ b/src/mame/drivers/carrera.c @@ -0,0 +1,338 @@ +/* + +This is a simple 'Pairs' game called +Carrera by BS Electronics + + + +PCB Layout +---------- + +|----------------------------------------------| +| 22.1184MHz Z80 | +| ROM.IC1 | +|_ BATTERY ROM.IC22 | + | | + _| 6116 ROM.IC2 | +| | +| | +|J AY-3-8910 ROM.IC3 | +|A DSW1(8) | +|M | +|M DSW2(8) ROM.IC4 | +|A | +| DSW3(8) | +| ROM.IC5 | +|_ PROM.IC39 DSW4(8) | + | 6116 | + _| | +| HD6845 6116 | +|----------------------------------------------| +Notes: + Z80 @ 3.6864MHz [22.1184/6] + AY-3-8910 @ 1.8432MHz [22.1184/12] + + +Emulation Notes: + Corrupt Tile on the first R in Carrera? (unlikely to be a bug, HW is very simple..) + There is also a 'Bomberman' title in the GFX roms, unused from what I can see. + +*/ + +#define MASTER_CLOCK 22118400 + +#include "driver.h" +#include "sound/ay8910.h" +#include "video/crtc6845.h" + +static UINT8* carrera_tileram; + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x4fff) AM_READ(MRA8_ROM) + AM_RANGE(0xe000, 0xe7ff) AM_READ(MRA8_RAM) + AM_RANGE(0xf000, 0xffff) AM_READ(MRA8_RAM) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x4fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xe000, 0xe7ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0xe800, 0xe800) AM_WRITE(crtc6845_address_w) + AM_RANGE(0xe801, 0xe801) AM_WRITE(crtc6845_register_w) + AM_RANGE(0xf000, 0xffff) AM_WRITE(MWA8_RAM) AM_BASE(&carrera_tileram) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x00, 0x00) AM_READ(input_port_0_r) + AM_RANGE(0x01, 0x01) AM_READ(input_port_1_r) + AM_RANGE(0x02, 0x02) AM_READ(input_port_2_r) + AM_RANGE(0x03, 0x03) AM_READ(input_port_3_r) + AM_RANGE(0x04, 0x04) AM_READ(input_port_4_r) + AM_RANGE(0x05, 0x05) AM_READ(input_port_5_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writeport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x06, 0x06) AM_WRITE(MWA8_NOP) // ? + + AM_RANGE(0x08, 0x08) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0x09, 0x09) AM_WRITE(AY8910_write_port_0_w) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( carrera ) + PORT_START_TAG("IN0") /* Port 0 */ + 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_LEFT ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) + /* unused / unknown inputs, not dips */ + PORT_DIPNAME( 0x20, 0x20, "0" ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START_TAG("IN1") /* Port 1 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) + /* unused / unknown inputs, not dips */ + PORT_DIPNAME( 0x04, 0x04, "1" ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + /* I suspect the 4 below are the 4xDSWs */ + PORT_START_TAG("IN2") /* Port 2 */ + PORT_DIPNAME( 0x01, 0x01, "2" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START_TAG("IN3") /* Port 3 */ + PORT_DIPNAME( 0x01, 0x01, "3" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START_TAG("IN4") /* Port 4 */ + PORT_DIPNAME( 0x01, 0x01, "4" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START_TAG("IN5") /* Port 5 */ + PORT_DIPNAME( 0x01, 0x01, "5" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, "Playing Graphics" ) + PORT_DIPSETTING( 0x08, "Bricks" ) + PORT_DIPSETTING( 0x00, "Fruits" ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, "Debug?" ) // displays numbers over the game area + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +INPUT_PORTS_END + +static const gfx_layout tiles8x8_layout = +{ + 8,8, + RGN_FRAC(1,5), + 5, + { RGN_FRAC(0,5), RGN_FRAC(1,5),RGN_FRAC(2,5),RGN_FRAC(3,5),RGN_FRAC(4,5) }, + { 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( carrera ) + GFXDECODE_ENTRY( REGION_GFX1, 0, tiles8x8_layout, 0, 16 ) +GFXDECODE_END + +static VIDEO_START(carrera) +{ +} + +static VIDEO_UPDATE(carrera) +{ + + int x,y; + int count = 0; + + for (y=0;y<32;y++) + { + for (x=0;x<64;x++) + { + int tile = carrera_tileram[count&0x7ff] | carrera_tileram[(count&0x7ff)+0x800]<<8; + + drawgfx(bitmap,machine->gfx[0],tile,0,0,0,x*8,y*8,cliprect,TRANSPARENCY_NONE,0); + count++; + } + } + return 0; +} + +static READ8_HANDLER( unknown_r ) +{ + return mame_rand(Machine); +} + +/* these are set as input, but I have no idea which input port it uses is for the AY */ +static struct AY8910interface ay8910_interface = +{ + unknown_r, + unknown_r, +}; + +static PALETTE_INIT(carrera) +{ + int x; + UINT8 *src = memory_region ( REGION_PROMS ); + + for (x=0;x<32;x++) + palette_set_color_rgb(machine, x, pal3bit(src[x] >> 0), pal3bit(src[x] >> 3), pal2bit(src[x] >> 6)); +} + +static MACHINE_DRIVER_START( carrera ) + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,MASTER_CLOCK/6) + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_IO_MAP(readport,writeport) + MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER ) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(512, 256) + MDRV_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1) + MDRV_GFXDECODE(carrera) + MDRV_PALETTE_LENGTH(32) + MDRV_PALETTE_INIT(carrera) + MDRV_VIDEO_START(carrera) + MDRV_VIDEO_UPDATE(carrera) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(AY8910, MASTER_CLOCK/12) + MDRV_SOUND_CONFIG(ay8910_interface) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) +MACHINE_DRIVER_END + + + + + +ROM_START( carrera ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "27512.ic22", 0x00000, 0x10000, CRC(2385b9c8) SHA1(12d4397779e074096fbb23b114985f104366b79c) ) + + ROM_REGION( 0x50000, REGION_GFX1, 0 ) + ROM_LOAD( "27512.ic1", 0x00000, 0x10000, CRC(a16e914e) SHA1(09f2271f193a7bffd62ef6e428ecbf9aa1154860) ) + ROM_LOAD( "27512.ic2", 0x10000, 0x10000, CRC(147036a5) SHA1(34b4818fe61c5b13220b0a2001987b68b655b2cb) ) + ROM_LOAD( "27512.ic3", 0x20000, 0x10000, CRC(920eee0e) SHA1(85e6d5292b751c57c64d17858bd00292356599e3) ) + ROM_LOAD( "27512.ic4", 0x30000, 0x10000, CRC(97433f36) SHA1(39f3c6b76ad540693682832aba6e4fc400ca3753) ) + ROM_LOAD( "27512.ic5", 0x40000, 0x10000, CRC(ffa75920) SHA1(aa5619f5aabcdfa250bb24bcad101a8c512a1776) ) + + ROM_REGION( 0x20, REGION_PROMS, 0 ) + ROM_LOAD( "82s123.ic39", 0x00, 0x20, CRC(af16359f) SHA1(1ff5c9d7807e52be09c0ded56fb68a47e41b3fcf) ) +ROM_END + + +GAME( 19??, carrera, 0, carrera, carrera,0, ROT0, "BS Electronics", "Carrera (Version 6.7)", GAME_WRONG_COLORS ) |