diff options
Diffstat (limited to 'src/mame/drivers/ssrj.c')
-rw-r--r-- | src/mame/drivers/ssrj.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/mame/drivers/ssrj.c b/src/mame/drivers/ssrj.c new file mode 100644 index 00000000000..5d1688eefab --- /dev/null +++ b/src/mame/drivers/ssrj.c @@ -0,0 +1,225 @@ +/*********************************** + Super Speed Race Jr (c) 1985 Taito + driver by Tomasz Slanina + + + TODO: + - colors (missing proms?) + - dips + - proper video hw emulation + - controls (is there START button ?) + +HW info : + + 0000-7fff ROM + c000-dfff VRAM ( 4 tilemaps (4 x $800) ) + e000-e7ff RAM + e800-efff SCROLL RAM + f003 ?? + f400-f401 AY 8910 + fc00 ?? + f800 ?? + + Scroll RAM contains x and y offsets for each tileline, + as well as other data (priroities ? additional flags ?) + All moving obejcts (cars, etc) are displayed on tilemap 3. + + ------------------------------------ + Cheat : $e210 - timer + +************************************/ + +#include "driver.h" +#include "sound/ay8910.h" + +extern UINT8 *ssrj_vram1,*ssrj_vram2,*ssrj_vram3,*ssrj_vram4,*ssrj_scrollram; + +WRITE8_HANDLER(ssrj_vram1_w); +WRITE8_HANDLER(ssrj_vram2_w); +WRITE8_HANDLER(ssrj_vram4_w); +READ8_HANDLER(ssrj_vram1_r); +READ8_HANDLER(ssrj_vram2_r); +READ8_HANDLER(ssrj_vram4_r); + +VIDEO_START( ssrj ); +VIDEO_UPDATE( ssrj ); +PALETTE_INIT( ssrj ); + +static int oldport=0x80; + +static MACHINE_RESET(ssrj) +{ + UINT8 *rom = memory_region(REGION_CPU1); + memset(&rom[0xc000],0,0x3fff); /* req for some control types */ + oldport=0x80; +} + +static READ8_HANDLER(ssrj_wheel_r) +{ + int port= input_port_1_r(0) -0x80; + int retval=port-oldport; + oldport=port; + return retval; +} + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM) + AM_RANGE(0xc000, 0xc7ff) AM_READ(ssrj_vram1_r) + AM_RANGE(0xc800, 0xcfff) AM_READ(ssrj_vram2_r) + AM_RANGE(0xd000, 0xd7ff) AM_READ(MRA8_RAM) + AM_RANGE(0xd800, 0xdfff) AM_READ(ssrj_vram4_r) + AM_RANGE(0xe000, 0xe7ff) AM_READ(MRA8_RAM) + AM_RANGE(0xe800, 0xefff) AM_READ(MRA8_RAM) + AM_RANGE(0xf000, 0xf000) AM_READ(input_port_0_r) + AM_RANGE(0xf001, 0xf001) AM_READ(ssrj_wheel_r) + AM_RANGE(0xf002, 0xf002) AM_READ(input_port_2_r) + AM_RANGE(0xf401, 0xf401) AM_READ(AY8910_read_port_0_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0xc000, 0xc7ff) AM_WRITE(ssrj_vram1_w) AM_BASE(&ssrj_vram1) + AM_RANGE(0xc800, 0xcfff) AM_WRITE(ssrj_vram2_w) AM_BASE(&ssrj_vram2) + AM_RANGE(0xd000, 0xd7ff) AM_WRITE(MWA8_RAM) AM_BASE(&ssrj_vram3) + AM_RANGE(0xd800, 0xdfff) AM_WRITE(ssrj_vram4_w) AM_BASE(&ssrj_vram4) + AM_RANGE(0xe000, 0xe7ff) AM_WRITE(MWA8_RAM) + AM_RANGE(0xe800, 0xefff) AM_WRITE(MWA8_RAM) AM_BASE(&ssrj_scrollram) + AM_RANGE(0xf003, 0xf003) AM_WRITE(MWA8_NOP) /* unknown */ + AM_RANGE(0xf401, 0xf401) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0xf400, 0xf400) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0xfc00, 0xfc00) AM_WRITE(MWA8_NOP) /* unknown */ + AM_RANGE(0xf800, 0xf800) AM_WRITE(MWA8_NOP) /* wheel ? */ +ADDRESS_MAP_END + +static INPUT_PORTS_START( ssrj ) + +PORT_START + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN2 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT ) + PORT_BIT( 0xe0, 0x00, IPT_PEDAL ) PORT_MINMAX(0,0xe0) PORT_SENSITIVITY(50) PORT_KEYDELTA(0x20) + + PORT_START + PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(50) PORT_KEYDELTA(4) PORT_REVERSE + + + PORT_START + + PORT_BIT( 0xf, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* code @ $eef , tested when controls = type4 */ + + PORT_DIPNAME(0x30, 0x00, DEF_STR( Difficulty ) ) /* ??? code @ $62c */ + PORT_DIPSETTING( 0x10, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x20, "Difficult" ) + PORT_DIPSETTING( 0x30, "Very Difficult" ) + + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Free_Play ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_DIPNAME( 0x80, 0x80, "No Hit" ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START + + PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x05, 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_4C ) ) + PORT_DIPNAME( 0x08, 0x08, "Freeze" ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_DIPNAME( 0x030, 0x000, DEF_STR( Controls ) ) /* 'press button to start' message, and wait for button2 */ + PORT_DIPSETTING( 0x00, "Type 1" ) + PORT_DIPSETTING( 0x10, "Type 2" ) + PORT_DIPSETTING( 0x20, "Type 3" ) + PORT_DIPSETTING( 0x30, "Type 4" ) + + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* sometimes hangs after game over ($69b) */ + + +INPUT_PORTS_END + +static const gfx_layout charlayout = +{ + 8,8, /* 8*8 characters */ + RGN_FRAC(1,3), /* 1024 characters */ + 3, /* 3 bits per pixel */ + { 0, RGN_FRAC(2,3), RGN_FRAC(1,3) }, /* the bitplanes are separated */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + 8*8 /* every char takes 8 consecutive bytes */ +}; + +static GFXDECODE_START( ssrj ) + GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 0, 8*4 ) +GFXDECODE_END + +static struct AY8910interface ay8910_interface = +{ + 0, /* not used ? */ + input_port_3_r, +}; + + +static MACHINE_DRIVER_START( ssrj ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,8000000/2) + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_VBLANK_INT(irq0_line_hold,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(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(2*8, 30*8-1, 3*8, 32*8-1) + MDRV_GFXDECODE(ssrj) + MDRV_PALETTE_LENGTH(128) + MDRV_PALETTE_INIT(ssrj) + + MDRV_VIDEO_START(ssrj) + MDRV_VIDEO_UPDATE(ssrj) +// MDRV_ASPECT_RATIO(3,4) + + MDRV_MACHINE_RESET(ssrj) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(AY8910, 8000000/5) + MDRV_SOUND_CONFIG(ay8910_interface) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30) +MACHINE_DRIVER_END + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( ssrj ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "a40-01.bin", 0x0000, 0x4000, CRC(1ff7dbff) SHA1(a9e676ee087141d62f880cd98e7748db1e6e9461) ) + ROM_LOAD( "a40-02.bin", 0x4000, 0x4000, CRC(bbb36f9f) SHA1(9f85bac639d18ee932273a6c00b36ac969e69bb8) ) + + ROM_REGION( 0x6000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "a40-03.bin", 0x0000, 0x2000, CRC(3753182a) SHA1(3eda34f967563b11416344da87b7be46cbecff2b) ) + ROM_LOAD( "a40-04.bin", 0x2000, 0x2000, CRC(96471816) SHA1(e24b690085602b8bde079e596c2879deab128c83) ) + ROM_LOAD( "a40-05.bin", 0x4000, 0x2000, CRC(dce9169e) SHA1(2cdda1453b2913fad931788e1db0bc01ce923a04) ) + + ROM_REGION( 0x100, REGION_PROMS, 0 ) + ROM_LOAD( "proms", 0x0000, 0x0100, NO_DUMP ) + +ROM_END + +GAME( 1985, ssrj, 0, ssrj, ssrj, 0, ORIENTATION_FLIP_X, "Taito Corporation", "Super Speed Race Junior (Japan)",GAME_WRONG_COLORS|GAME_IMPERFECT_GRAPHICS ) |