diff options
Diffstat (limited to 'trunk/src/mame/drivers/carrera.c')
-rw-r--r-- | trunk/src/mame/drivers/carrera.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/carrera.c b/trunk/src/mame/drivers/carrera.c new file mode 100644 index 00000000000..42effb92959 --- /dev/null +++ b/trunk/src/mame/drivers/carrera.c @@ -0,0 +1,373 @@ +/* + +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. + +TODO: +- Are colors 100% correct? Needs a reference to be sure. +- There are reel gfxs on the roms (near the end), left-over or there's a way to enable it? + Update: if you trigger a normal irq 0 instead of a NMI the game will change into a proper 8 liner game without inputs. Investigate on it... + +*/ + +#define MASTER_CLOCK XTAL_22_1184MHz + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "sound/ay8910.h" +#include "video/mc6845.h" + + +class carrera_state : public driver_device +{ +public: + carrera_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) , + m_tileram(*this, "tileram"){ } + + required_shared_ptr<UINT8> m_tileram; +}; + + +static ADDRESS_MAP_START( carrera_map, AS_PROGRAM, 8, carrera_state ) + AM_RANGE(0x0000, 0x4fff) AM_ROM + AM_RANGE(0xe000, 0xe7ff) AM_RAM + AM_RANGE(0xe800, 0xe800) AM_DEVWRITE("crtc", mc6845_device, address_w) + AM_RANGE(0xe801, 0xe801) AM_DEVWRITE("crtc", mc6845_device, register_w) + AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("tileram") +ADDRESS_MAP_END + +static ADDRESS_MAP_START( io_map, AS_IO, 8, carrera_state ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0") + AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1") + AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2") + AM_RANGE(0x03, 0x03) AM_READ_PORT("IN3") + AM_RANGE(0x04, 0x04) AM_READ_PORT("IN4") + AM_RANGE(0x05, 0x05) AM_READ_PORT("IN5") + AM_RANGE(0x06, 0x06) AM_WRITENOP // ? + AM_RANGE(0x08, 0x09) AM_DEVWRITE_LEGACY("aysnd", ay8910_address_data_w) +ADDRESS_MAP_END + +static INPUT_PORTS_START( carrera ) + PORT_START("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("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("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("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("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("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( "gfx1", 0, tiles8x8_layout, 0, 1 ) +GFXDECODE_END + +static SCREEN_UPDATE_IND16(carrera) +{ + carrera_state *state = screen.machine().driver_data<carrera_state>(); + + int x,y; + int count = 0; + + for (y=0;y<32;y++) + { + for (x=0;x<64;x++) + { + int tile = state->m_tileram[count&0x7ff] | state->m_tileram[(count&0x7ff)+0x800]<<8; + + drawgfx_opaque(bitmap,cliprect,screen.machine().gfx[0],tile,0,0,0,x*8,y*8); + count++; + } + } + return 0; +} + +static READ8_DEVICE_HANDLER( unknown_r ) +{ + return device->machine().rand(); +} + +/* these are set as input, but I have no idea which input port it uses is for the AY */ +static const ay8910_interface ay8910_config = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_HANDLER(unknown_r), + DEVCB_HANDLER(unknown_r), + DEVCB_NULL, + DEVCB_NULL +}; + +static PALETTE_INIT(carrera) +{ + const UINT8 *color_prom = machine.root_device().memregion("proms")->base(); + int br_bit0, br_bit1, bit0, bit1, r, g, b; + int i; + + for (i = 0; i < 0x20; ++i) + { + br_bit0 = (color_prom[0] >> 6) & 0x01; + br_bit1 = (color_prom[0] >> 7) & 0x01; + + bit0 = (color_prom[0] >> 0) & 0x01; + bit1 = (color_prom[0] >> 3) & 0x01; + b = 0x0e * br_bit0 + 0x1f * br_bit1 + 0x43 * bit0 + 0x8f * bit1; + bit0 = (color_prom[0] >> 1) & 0x01; + bit1 = (color_prom[0] >> 4) & 0x01; + g = 0x0e * br_bit0 + 0x1f * br_bit1 + 0x43 * bit0 + 0x8f * bit1; + bit0 = (color_prom[0] >> 2) & 0x01; + bit1 = (color_prom[0] >> 5) & 0x01; + r = 0x0e * br_bit0 + 0x1f * br_bit1 + 0x43 * bit0 + 0x8f * bit1; + + palette_set_color(machine, i, MAKE_RGB(r, g, b)); + color_prom++; + } +} + + +static const mc6845_interface mc6845_intf = +{ + "screen", /* screen we are acting on */ + 8, /* number of pixels per video memory address */ + NULL, /* before pixel update callback */ + NULL, /* row update callback */ + NULL, /* after pixel update callback */ + DEVCB_NULL, /* callback for display state changes */ + DEVCB_NULL, /* callback for cursor state changes */ + DEVCB_NULL, /* HSYNC callback */ + DEVCB_NULL, /* VSYNC callback */ + NULL /* update address callback */ +}; + + +static MACHINE_CONFIG_START( carrera, carrera_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, MASTER_CLOCK / 6) + MCFG_CPU_PROGRAM_MAP(carrera_map) + MCFG_CPU_IO_MAP(io_map) + MCFG_CPU_VBLANK_INT("screen", nmi_line_pulse) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) + MCFG_SCREEN_SIZE(512, 256) + MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1) + MCFG_SCREEN_UPDATE_STATIC(carrera) + + MCFG_MC6845_ADD("crtc", MC6845, MASTER_CLOCK / 16, mc6845_intf) + + MCFG_GFXDECODE(carrera) + MCFG_PALETTE_LENGTH(32) + MCFG_PALETTE_INIT(carrera) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("aysnd", AY8910, MASTER_CLOCK/12) + MCFG_SOUND_CONFIG(ay8910_config) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) +MACHINE_CONFIG_END + + +ROM_START( carrera ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "27512.ic22", 0x00000, 0x10000, CRC(2385b9c8) SHA1(12d4397779e074096fbb23b114985f104366b79c) ) + + ROM_REGION( 0x50000, "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, "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)", 0 ) + |