diff options
Diffstat (limited to 'src/mame/drivers/amspdwy.c')
-rw-r--r-- | src/mame/drivers/amspdwy.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/src/mame/drivers/amspdwy.c b/src/mame/drivers/amspdwy.c new file mode 100644 index 00000000000..15a6760b28d --- /dev/null +++ b/src/mame/drivers/amspdwy.c @@ -0,0 +1,399 @@ +/*************************************************************************** + + -= American Speedway =- + + driver by Luca Elia (l.elia@tin.it) + + +CPU : Z80A x 2 +Sound: YM2151 + + +(c)1987 Enerdyne Technologies, Inc. / PGD + +***************************************************************************/ + +#include "driver.h" +#include "sound/2151intf.h" + +/* Variables & functions defined in video: */ + +WRITE8_HANDLER( amspdwy_videoram_w ); +WRITE8_HANDLER( amspdwy_colorram_w ); +WRITE8_HANDLER( amspdwy_paletteram_w ); +WRITE8_HANDLER( amspdwy_flipscreen_w ); + +VIDEO_START( amspdwy ); +VIDEO_UPDATE( amspdwy ); + + +/*************************************************************************** + + + Main CPU + + +***************************************************************************/ + +/* + 765----- Buttons + ---4---- Sgn(Wheel Delta) + ----3210 Abs(Wheel Delta) + + Or last value when wheel delta = 0 +*/ +#define AMSPDWY_WHEEL_R( _n_ ) \ +READ8_HANDLER( amspdwy_wheel_##_n_##_r ) \ +{ \ + static UINT8 wheel_old, ret; \ + UINT8 wheel = readinputport(5 + _n_); \ + if (wheel != wheel_old) \ + { \ + wheel = (wheel & 0x7fff) - (wheel & 0x8000); \ + if (wheel > wheel_old) ret = ((+wheel) & 0xf) | 0x00; \ + else ret = ((-wheel) & 0xf) | 0x10; \ + wheel_old = wheel; \ + } \ + return ret | readinputport(2 + _n_); \ +} +AMSPDWY_WHEEL_R( 0 ) +AMSPDWY_WHEEL_R( 1 ) + + +static READ8_HANDLER( amspdwy_sound_r ) +{ + return (YM2151_status_port_0_r(0) & ~ 0x30) | readinputport(4); +} + +static WRITE8_HANDLER( amspdwy_sound_w ) +{ + soundlatch_w(0,data); + cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE); +} + +static ADDRESS_MAP_START( amspdwy_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM ) // ROM +// AM_RANGE(0x8000, 0x801f) AM_READ(MRA8_RAM ) // Palette + AM_RANGE(0x9000, 0x93ff) AM_READ(videoram_r ) // Layer + AM_RANGE(0x9400, 0x97ff) AM_READ(videoram_r ) // Mirror? + AM_RANGE(0x9800, 0x9bff) AM_READ(colorram_r ) // Layer + AM_RANGE(0x9c00, 0x9fff) AM_READ(MRA8_RAM ) // Unused? + AM_RANGE(0xa000, 0xa000) AM_READ(input_port_0_r ) // DSW 1 + AM_RANGE(0xa400, 0xa400) AM_READ(input_port_1_r ) // DSW 2 + AM_RANGE(0xa800, 0xa800) AM_READ(amspdwy_wheel_0_r ) // Player 1 + AM_RANGE(0xac00, 0xac00) AM_READ(amspdwy_wheel_1_r ) // Player 2 + AM_RANGE(0xb400, 0xb400) AM_READ(amspdwy_sound_r ) // YM2151 Status + Buttons + AM_RANGE(0xc000, 0xc0ff) AM_READ(MRA8_RAM ) // Sprites + AM_RANGE(0xe000, 0xe7ff) AM_READ(MRA8_RAM ) // Work RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( amspdwy_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM ) // ROM + AM_RANGE(0x8000, 0x801f) AM_WRITE(amspdwy_paletteram_w) AM_BASE(&paletteram ) // Palette + AM_RANGE(0x9000, 0x93ff) AM_WRITE(amspdwy_videoram_w) AM_BASE(&videoram ) // Layer + AM_RANGE(0x9400, 0x97ff) AM_WRITE(amspdwy_videoram_w ) // Mirror? + AM_RANGE(0x9800, 0x9bff) AM_WRITE(amspdwy_colorram_w) AM_BASE(&colorram ) // Layer + AM_RANGE(0x9c00, 0x9fff) AM_WRITE(MWA8_RAM ) // Unused? +// AM_RANGE(0xa000, 0xa000) AM_WRITE(MWA8_NOP ) // ? + AM_RANGE(0xa400, 0xa400) AM_WRITE(amspdwy_flipscreen_w ) // Toggle Flip Screen? + AM_RANGE(0xb000, 0xb000) AM_WRITE(MWA8_NOP ) // ? Exiting IRQ + AM_RANGE(0xb400, 0xb400) AM_WRITE(amspdwy_sound_w ) // To Sound CPU + AM_RANGE(0xc000, 0xc0ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size ) // Sprites + AM_RANGE(0xe000, 0xe7ff) AM_WRITE(MWA8_RAM ) // Work RAM +ADDRESS_MAP_END + + +static READ8_HANDLER( amspdwy_port_r ) +{ + UINT8 *Tracks = memory_region(REGION_CPU1)+0x10000; + return Tracks[offset]; +} + +static ADDRESS_MAP_START( amspdwy_readport, ADDRESS_SPACE_IO, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(amspdwy_port_r ) +ADDRESS_MAP_END + + + +/*************************************************************************** + + + Sound CPU + + +***************************************************************************/ + +static ADDRESS_MAP_START( amspdwy_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM ) // ROM + AM_RANGE(0x9000, 0x9000) AM_READ(soundlatch_r ) // From Main CPU + AM_RANGE(0xc000, 0xdfff) AM_READ(MRA8_RAM ) // Work RAM + AM_RANGE(0xffff, 0xffff) AM_READ(MRA8_NOP ) // ??? IY = FFFF at the start ? +ADDRESS_MAP_END + +static ADDRESS_MAP_START( amspdwy_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM ) // ROM +// AM_RANGE(0x8000, 0x8000) AM_WRITE(MWA8_NOP ) // ? Written with 0 at the start + AM_RANGE(0xa000, 0xa000) AM_WRITE(YM2151_register_port_0_w ) // YM2151 + AM_RANGE(0xa001, 0xa001) AM_WRITE(YM2151_data_port_0_w ) // + AM_RANGE(0xc000, 0xdfff) AM_WRITE(MWA8_RAM ) // Work RAM +ADDRESS_MAP_END + + + + +/*************************************************************************** + + + Input Ports + + +***************************************************************************/ + +static INPUT_PORTS_START( amspdwy ) + + PORT_START_TAG("DSW1") + PORT_DIPNAME( 0x01, 0x00, "Character Test" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x01, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x00, "Show Arrows" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x02, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x04, DEF_STR( On ) ) + PORT_SERVICE( 0x08, IP_ACTIVE_HIGH ) + PORT_DIPNAME( 0x10, 0x00, "Steering Test" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x10, DEF_STR( On ) ) + PORT_DIPUNUSED( 0x20, IP_ACTIVE_HIGH ) + PORT_DIPUNUSED( 0x40, IP_ACTIVE_HIGH ) + PORT_DIPUNUSED( 0x80, IP_ACTIVE_HIGH ) + + PORT_START_TAG("DSW2") + PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) ) +// PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) + PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0x30, 0x00, "Time" ) /* code at 0x1770 */ + PORT_DIPSETTING( 0x30, "20 sec" ) + PORT_DIPSETTING( 0x20, "30 sec" ) + PORT_DIPSETTING( 0x10, "45 sec" ) + PORT_DIPSETTING( 0x00, "60 sec" ) + PORT_DIPUNUSED( 0x40, IP_ACTIVE_HIGH ) + PORT_DIPUNUSED( 0x80, IP_ACTIVE_HIGH ) + + PORT_START_TAG("IN2") // Player 1 Wheel + Coins + PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_SPECIAL ) // wheel + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(2) // 2-3f + + PORT_START_TAG("IN3") // Player 2 Wheel + Coins + PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_SPECIAL ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(2) + + PORT_START_TAG("IN4") // Player 1&2 Pedals + YM2151 Sound Status + PORT_BIT( 0x0f, IP_ACTIVE_HIGH, IPT_SPECIAL ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_SPECIAL ) + + PORT_START_TAG("IN5") // Player 1 Analog Fake Port + PORT_BIT( 0xffff, 0x0000, IPT_DIAL ) PORT_SENSITIVITY(15) PORT_KEYDELTA(20) PORT_CODE_DEC(KEYCODE_LEFT) PORT_CODE_INC(KEYCODE_RIGHT) PORT_PLAYER(1) + + PORT_START_TAG("IN6") // Player 2 Analog Fake Port + PORT_BIT( 0xffff, 0x0000, IPT_DIAL ) PORT_SENSITIVITY(15) PORT_KEYDELTA(20) PORT_CODE_DEC(KEYCODE_D) PORT_CODE_INC(KEYCODE_G) PORT_PLAYER(2) + +INPUT_PORTS_END + + +static INPUT_PORTS_START( amspdwya ) + + PORT_INCLUDE(amspdwy) + + PORT_MODIFY("DSW2") + PORT_DIPNAME( 0x10, 0x00, "Time" ) /* code at 0x2696 */ + PORT_DIPSETTING( 0x10, "45 sec" ) + PORT_DIPSETTING( 0x00, "60 sec" ) + PORT_DIPUNUSED( 0x20, IP_ACTIVE_HIGH ) +INPUT_PORTS_END + + + +/*************************************************************************** + + + Graphics Layouts + + +***************************************************************************/ + +static const gfx_layout layout_8x8x2 = +{ + 8,8, + RGN_FRAC(1,2), + 2, + { RGN_FRAC(0,2), RGN_FRAC(1,2) }, + { STEP8(0,1) }, + { STEP8(0,8) }, + 8*8 +}; + +static GFXDECODE_START( amspdwy ) + GFXDECODE_ENTRY( REGION_GFX1, 0, layout_8x8x2, 0, 8 ) // [0] Layer & Sprites +GFXDECODE_END + + + +/*************************************************************************** + + + Machine Drivers + + +***************************************************************************/ + + +static void irq_handler(int irq) +{ + cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE); +} + +static struct YM2151interface amspdwy_ym2151_interface = +{ + irq_handler +}; + + +static MACHINE_DRIVER_START( amspdwy ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,3000000) + MDRV_CPU_PROGRAM_MAP(amspdwy_readmem,amspdwy_writemem) + MDRV_CPU_IO_MAP(amspdwy_readport,0) + MDRV_CPU_VBLANK_INT(irq0_line_hold,1) /* IRQ: 60Hz, NMI: retn */ + + MDRV_CPU_ADD(Z80,3000000) /* Can't be disabled: the YM2151 timers must work */ + MDRV_CPU_PROGRAM_MAP(amspdwy_sound_readmem,amspdwy_sound_writemem) + + 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(256, 256) + MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 0+16, 256-16-1) + MDRV_GFXDECODE(amspdwy) + MDRV_PALETTE_LENGTH(32) + + MDRV_VIDEO_START(amspdwy) + MDRV_VIDEO_UPDATE(amspdwy) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_STEREO("left", "right") + + MDRV_SOUND_ADD(YM2151, 3000000) + MDRV_SOUND_CONFIG(amspdwy_ym2151_interface) + MDRV_SOUND_ROUTE(0, "left", 1.0) + MDRV_SOUND_ROUTE(1, "right", 1.0) +MACHINE_DRIVER_END + + + + +/*************************************************************************** + + + ROMs Loading + + +***************************************************************************/ + + + +/*************************************************************************** + + American Speedway + +USES TWO Z80 CPU'S W/YM2151 SOUND +THE NUMBERS WITH THE NAMES ARE PROBABLY CHECKSUMS + +NAME LOCATION TYPE +------------------------ +AUDI9363 U2 27256 CONN BD +GAME5807 U33 " " +TRKS6092 U34 " " +HIHIE12A 4A 2732 REAR BD +HILO9B3C 5A " " +LOHI4644 2A " " +LOLO1D51 1A " " + + American Speedway (Set 2) + +1987 Enerdyne Technologies, Inc. Has Rev 4 PGD written on the top board. + +Processors +------------------ +Dual Z80As +YM2151 (sound) + +RAM +------------------ +12 2114 +5 82S16N + +Eproms +================== + +Name Loc TYpe Checksum +---------- ---- ----- -------- +Game.u22 U33 27256 A222 +Tracks.u34 U34 27256 6092 +Audio.U02 U2 27256 9363 +LOLO1.1A 1A 2732 1D51 +LOHI.2A 2A 2732 4644 +HIHI.4A 3/4A 2732 E12A +HILO.5A 5A 2732 9B3C + +***************************************************************************/ + +ROM_START( amspdwy ) + ROM_REGION( 0x18000, REGION_CPU1, 0 ) /* Main Z80 Code */ + ROM_LOAD( "game5807.u33", 0x00000, 0x8000, CRC(88233b59) SHA1(bfdf10dde1731cde5c579a9a5173cafe9295a80c) ) + ROM_LOAD( "trks6092.u34", 0x10000, 0x8000, CRC(74a4e7b7) SHA1(b4f6e3faaf048351c6671205f52378a64b81bcb1) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Sound Z80 Code */ + ROM_LOAD( "audi9463.u2", 0x00000, 0x8000, CRC(61b0467e) SHA1(74509e7712838dd760919893aeda9241d308d0c3) ) + + ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE ) /* Layer + Sprites */ + ROM_LOAD( "hilo9b3c.5a", 0x0000, 0x1000, CRC(f50f864c) SHA1(5b2412c1558b30a04523fcdf1d5cf6fdae1ba88d) ) + ROM_LOAD( "hihie12a.4a", 0x1000, 0x1000, CRC(3d7497f3) SHA1(34820ba42d9c9dab1d6fdda15795450ce08392c1) ) + ROM_LOAD( "lolo1d51.1a", 0x2000, 0x1000, CRC(58701c1c) SHA1(67b476e697652a6b684bd76ae6c0078ed4b3e3a2) ) + ROM_LOAD( "lohi4644.2a", 0x3000, 0x1000, CRC(a1d802b1) SHA1(1249ce406b1aa518885a02ab063fa14906ccec2e) ) +ROM_END + +ROM_START( amspdwya ) + ROM_REGION( 0x18000, REGION_CPU1, 0 ) /* Main Z80 Code */ + ROM_LOAD( "game.u33", 0x00000, 0x8000, CRC(facab102) SHA1(e232969eaaad8b89ac8e28ee0a7996107a7de9a2) ) + ROM_LOAD( "trks6092.u34", 0x10000, 0x8000, CRC(74a4e7b7) SHA1(b4f6e3faaf048351c6671205f52378a64b81bcb1) ) + + ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Sound Z80 Code */ + ROM_LOAD( "audi9463.u2", 0x00000, 0x8000, CRC(61b0467e) SHA1(74509e7712838dd760919893aeda9241d308d0c3) ) + + ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE ) /* Layer + Sprites */ + ROM_LOAD( "hilo9b3c.5a", 0x0000, 0x1000, CRC(f50f864c) SHA1(5b2412c1558b30a04523fcdf1d5cf6fdae1ba88d) ) + ROM_LOAD( "hihie12a.4a", 0x1000, 0x1000, CRC(3d7497f3) SHA1(34820ba42d9c9dab1d6fdda15795450ce08392c1) ) + ROM_LOAD( "lolo1d51.1a", 0x2000, 0x1000, CRC(58701c1c) SHA1(67b476e697652a6b684bd76ae6c0078ed4b3e3a2) ) + ROM_LOAD( "lohi4644.2a", 0x3000, 0x1000, CRC(a1d802b1) SHA1(1249ce406b1aa518885a02ab063fa14906ccec2e) ) +ROM_END + + +/* (C) 1987 ETI 8402 MAGNOLIA ST. #C SANTEE, CA 92071 */ + +GAME( 1987, amspdwy, 0, amspdwy, amspdwy, 0, ROT0, "Enerdyne Technologies, Inc.", "American Speedway (set 1)", 0 ) +GAME( 1987, amspdwya, amspdwy, amspdwy, amspdwya, 0, ROT0, "Enerdyne Technologies, Inc.", "American Speedway (set 2)", 0 ) |