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Diffstat (limited to 'src/mame/drivers/amspdwy.c')
-rw-r--r--src/mame/drivers/amspdwy.c399
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 )