/*********************************** 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; 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 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 )