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Diffstat (limited to 'src/mame/drivers/canyon.c')
-rw-r--r--src/mame/drivers/canyon.c325
1 files changed, 325 insertions, 0 deletions
diff --git a/src/mame/drivers/canyon.c b/src/mame/drivers/canyon.c
new file mode 100644
index 00000000000..830a4f50926
--- /dev/null
+++ b/src/mame/drivers/canyon.c
@@ -0,0 +1,325 @@
+/***************************************************************************
+
+ Atari Canyon Bomber hardware
+
+ driver by Mike Balfour
+
+ Games supported:
+ * Canyon Bomber
+
+ Known issues:
+ * none at this time
+
+****************************************************************************
+
+ Memory Map:
+ 0000-01FF WRAM
+ 0400-04FF W A0=0:MOTOR1, A0=1:MOTOR2
+ 0500-05FF W A0=0:EXPLODE, A0=1:TIMER RESET
+ 0600-067F W A0=0:WHISTLE1, A0=1:WHISTLE2
+ 0680-06FF W A0=0:LED1, A0=1:LED2
+ 0700-077F W A0=0:ATTRACT1, A0=1:ATTRACT2
+ 0800-0FFF DISPLAY / RAM
+ 1000-17FF SWITCHES
+ 1800-1FFF OPTIONS
+ 2000-27FF ROM1
+ 2800-2FFF ROM2
+ 3000-37FF ROM3 (Language ROM)
+ 3800-3FFF ROM4 (Program ROM)
+
+ If you have any questions about how this driver works, don't hesitate to
+ ask. - Mike Balfour (mab22@po.cwru.edu)
+
+***************************************************************************/
+
+#include "driver.h"
+#include "canyon.h"
+#include "sound/discrete.h"
+
+
+
+
+/*************************************
+ *
+ * Palette generation
+ *
+ *************************************/
+
+static PALETTE_INIT( canyon )
+{
+ palette_set_color(machine, 0, MAKE_RGB(0x00, 0x00, 0x00)); /* BLACK */
+ palette_set_color(machine, 1, MAKE_RGB(0xff, 0xff, 0xff)); /* WHITE */
+ palette_set_color(machine, 2, MAKE_RGB(0x80, 0x80, 0x80)); /* GREY */
+
+ colortable[0] = 2;
+ colortable[1] = 0;
+ colortable[2] = 2;
+ colortable[3] = 1;
+}
+
+
+/*************************************
+ *
+ * Read handlers
+ *
+ *************************************/
+
+static READ8_HANDLER( canyon_switches_r )
+{
+ UINT8 val = 0;
+
+ if ((readinputport(2) >> (offset & 7)) & 1)
+ {
+ val |= 0x80;
+ }
+ if ((readinputport(1) >> (offset & 3)) & 1)
+ {
+ val |= 0x01;
+ }
+
+ return val;
+}
+
+
+static READ8_HANDLER( canyon_options_r )
+{
+ return (readinputport(0) >> (2 * (~offset & 3))) & 3;
+}
+
+
+
+
+/*************************************
+ *
+ * Write handlers
+ *
+ *************************************/
+
+static WRITE8_HANDLER( canyon_led_w )
+{
+ set_led_status(offset & 0x01, offset & 0x02);
+}
+
+
+
+
+/*************************************
+ *
+ * Main CPU memory handlers
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(14) )
+ AM_RANGE(0x0000, 0x00ff) AM_MIRROR(0x100) AM_RAM
+ AM_RANGE(0x0400, 0x0401) AM_WRITE(canyon_motor_w)
+ AM_RANGE(0x0500, 0x0500) AM_WRITE(canyon_explode_w)
+ AM_RANGE(0x0501, 0x0501) AM_WRITE(watchdog_reset_w) /* watchdog, disabled in service mode */
+ AM_RANGE(0x0600, 0x0603) AM_WRITE(canyon_whistle_w)
+ AM_RANGE(0x0680, 0x0683) AM_WRITE(canyon_led_w)
+ AM_RANGE(0x0700, 0x0703) AM_WRITE(canyon_attract_w)
+ AM_RANGE(0x0800, 0x0bff) AM_READWRITE(MRA8_RAM, canyon_videoram_w) AM_BASE(&canyon_videoram)
+ AM_RANGE(0x1000, 0x17ff) AM_READWRITE(canyon_switches_r, MWA8_NOP) /* sloppy code writes here */
+ AM_RANGE(0x1800, 0x1fff) AM_READ(canyon_options_r)
+ AM_RANGE(0x2000, 0x3fff) AM_ROM
+ADDRESS_MAP_END
+
+
+
+/*************************************
+ *
+ * Port definitions
+ *
+ *************************************/
+
+static INPUT_PORTS_START( canyon )
+ PORT_START /* DSW */
+ PORT_DIPNAME( 0x03, 0x00, DEF_STR( Language ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( English ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( Spanish ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( French ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( German ) )
+ PORT_DIPNAME( 0x30, 0x00, "Misses Per Play" )
+ PORT_DIPSETTING( 0x00, "3" )
+ PORT_DIPSETTING( 0x10, "4" )
+ PORT_DIPSETTING( 0x20, "5" )
+ PORT_DIPSETTING( 0x30, "6" )
+ PORT_DIPNAME( 0xC0, 0x80, DEF_STR( Coinage ))
+ PORT_DIPSETTING( 0xC0, DEF_STR( 2C_1C ))
+ PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ))
+ PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ))
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
+
+ PORT_START /* IN1 */
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
+
+ PORT_START /* IN2 */
+ PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
+ PORT_BIT ( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT ( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
+ PORT_SERVICE( 0x10, IP_ACTIVE_HIGH )
+ PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_VBLANK )
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Hiscore Reset") PORT_CODE(KEYCODE_H)
+ PORT_BIT ( 0x80, IP_ACTIVE_HIGH, IPT_TILT ) /* SLAM */
+
+ PORT_START_TAG("MOTOR1")
+ PORT_ADJUSTER( 20, "Motor 1 RPM" )
+
+ PORT_START_TAG("MOTOR2")
+ PORT_ADJUSTER( 30, "Motor 2 RPM" )
+
+ PORT_START_TAG("WHISTLE1")
+ PORT_ADJUSTER( 70, "Whistle 1 Freq" )
+
+ PORT_START_TAG("WHISTLE2")
+ PORT_ADJUSTER( 80, "Whistle 2 Freq" )
+INPUT_PORTS_END
+
+
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+static const gfx_layout tile_layout =
+{
+ 8, 8,
+ 64,
+ 1,
+ { 0 },
+ {
+ 0x4, 0x5, 0x6, 0x7, 0xC, 0xD, 0xE, 0xF
+ },
+ {
+ 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70
+ },
+ 0x80
+};
+
+
+static const gfx_layout sprite_layout =
+{
+ 32, 16,
+ 4,
+ 1,
+ { 0 },
+ {
+ 0x007, 0x006, 0x005, 0x004, 0x003, 0x002, 0x001, 0x000,
+ 0x00F, 0x00E, 0x00D, 0x00C, 0x00B, 0x00A, 0x009, 0x008,
+ 0x107, 0x106, 0x105, 0x104, 0x103, 0x102, 0x101, 0x100,
+ 0x10F, 0x10E, 0x10D, 0x10C, 0x10B, 0x10A, 0x109, 0x108
+ },
+ {
+ 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
+ 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0
+ },
+ 0x200
+};
+
+
+static GFXDECODE_START( canyon )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, tile_layout, 0, 2 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, sprite_layout, 0, 2 )
+GFXDECODE_END
+
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+static MACHINE_DRIVER_START( canyon )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M6502, 12096000 / 16)
+ MDRV_CPU_PROGRAM_MAP(main_map,0)
+ MDRV_CPU_VBLANK_INT(nmi_line_pulse, 1)
+ MDRV_WATCHDOG_VBLANK_INIT(8)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(22 * 1000000 / 15750))
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(256, 240)
+ MDRV_SCREEN_VISIBLE_AREA(0, 255, 0, 239)
+ MDRV_GFXDECODE(canyon)
+ MDRV_PALETTE_LENGTH(3)
+ MDRV_COLORTABLE_LENGTH(4)
+
+ MDRV_PALETTE_INIT(canyon)
+ MDRV_VIDEO_START(canyon)
+ MDRV_VIDEO_UPDATE(canyon)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_STEREO("left", "right")
+
+ MDRV_SOUND_ADD_TAG("discrete", DISCRETE, 0)
+ MDRV_SOUND_CONFIG_DISCRETE(canyon)
+ MDRV_SOUND_ROUTE(0, "left", 1.0)
+ MDRV_SOUND_ROUTE(1, "right", 1.0)
+MACHINE_DRIVER_END
+
+
+
+/*************************************
+ *
+ * ROM definitions
+ *
+ *************************************/
+
+ROM_START( canyon )
+ ROM_REGION( 0x4000, REGION_CPU1, 0 )
+ ROM_LOAD_NIB_LOW ( "9499-01.j1", 0x3000, 0x0400, CRC(31800767) SHA1(d4aebe12d3c45a2a8a361dc6f63e1a6230a78c17) )
+ ROM_LOAD_NIB_HIGH( "9503-01.p1", 0x3000, 0x0400, CRC(1eddbe28) SHA1(7d30280bf9edff743c16386d7cdec78094477996) )
+ ROM_LOAD ( "9496-01.d1", 0x3800, 0x0800, CRC(8be15080) SHA1(095c15e9ac91623b2d514858dca2e4c261d36fd0) )
+
+ ROM_REGION( 0x0400, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "9492-01.n8", 0x0000, 0x0400, CRC(7449f754) SHA1(a8ffc39e1a86c94487551f5026eedbbd066b12c9) )
+
+ ROM_REGION( 0x0100, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD_NIB_LOW ( "9506-01.m5", 0x0000, 0x0100, CRC(0d63396a) SHA1(147fae3b02a86310c8d022a7e7cfbf71ea511616) )
+ ROM_LOAD_NIB_HIGH( "9505-01.n5", 0x0000, 0x0100, CRC(60507c07) SHA1(fcb76890cbaa37e02392bf8b97f7be9a6fe6a721) )
+
+ ROM_REGION( 0x0100, REGION_PROMS, 0 )
+ ROM_LOAD( "9491-01.j6", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync (not used) */
+ROM_END
+
+
+ROM_START( canyonp )
+ ROM_REGION( 0x4000, REGION_CPU1, 0 )
+ ROM_LOAD_NIB_LOW ( "cbp3000l.j1", 0x3000, 0x0800, CRC(49cf29a0) SHA1(b58f024f45f85e5c2a48a95c60e80fd1be60eaac) )
+ ROM_LOAD_NIB_HIGH( "cbp3000m.p1", 0x3000, 0x0800, CRC(b4385c23) SHA1(b550dfe9182f2b29aedba160a0917ca78b82f0e7) )
+ ROM_LOAD_NIB_LOW ( "cbp3800l.h1", 0x3800, 0x0800, CRC(c7ee4431) SHA1(7a0f4454a981c4e9ee27e273e9a8379458e660e5) )
+ ROM_LOAD_NIB_HIGH( "cbp3800m.r1", 0x3800, 0x0800, CRC(94246a9a) SHA1(5ff8b69fb744a5f62d4cf291e8f25e3620b479e7) )
+
+ ROM_REGION( 0x0400, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "9492-01.n8", 0x0000, 0x0400, CRC(7449f754) SHA1(a8ffc39e1a86c94487551f5026eedbbd066b12c9) )
+
+ ROM_REGION( 0x0100, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD_NIB_LOW ( "9506-01.m5", 0x0000, 0x0100, CRC(0d63396a) SHA1(147fae3b02a86310c8d022a7e7cfbf71ea511616) )
+ ROM_LOAD_NIB_HIGH( "9505-01.n5", 0x0000, 0x0100, CRC(60507c07) SHA1(fcb76890cbaa37e02392bf8b97f7be9a6fe6a721) )
+
+ ROM_REGION( 0x0100, REGION_PROMS, 0 )
+ ROM_LOAD( "9491-01.j6", 0x0000, 0x0100, CRC(b8094b4c) SHA1(82dc6799a19984f3b204ee3aeeb007e55afc8be3) ) /* sync (not used) */
+ROM_END
+
+
+
+/*************************************
+ *
+ * Game drivers
+ *
+ *************************************/
+
+GAME( 1977, canyon, 0, canyon, canyon, 0, ROT0, "Atari", "Canyon Bomber", 0 )
+GAME( 1977, canyonp, canyon, canyon, canyon, 0, ROT0, "Atari", "Canyon Bomber (prototype)", 0 )