diff options
Diffstat (limited to 'src/mame/drivers/orbit.c')
-rw-r--r-- | src/mame/drivers/orbit.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/src/mame/drivers/orbit.c b/src/mame/drivers/orbit.c new file mode 100644 index 00000000000..7fc094ce85c --- /dev/null +++ b/src/mame/drivers/orbit.c @@ -0,0 +1,326 @@ +/*************************************************************************** + +Atari Orbit Driver + + game 0 = beginner slow + game 1 = beginner medium + game 2 = beginner fast + game 3 = intermediate slow + game 4 = intermediate fast + game 5 = expert fast shells only + game 6 = expert slow + game 7 = expert medium + game 8 = expert fast + game 9 = super expert + + Flip screen DIP doesn't work because it's not supported by the game. + +***************************************************************************/ + +#include "driver.h" +#include "orbit.h" +#include "sound/discrete.h" + + +static int orbit_nmi_enable; + +static UINT8 orbit_misc_flags; + + +static INTERRUPT_GEN( orbit_interrupt ) +{ + if (orbit_nmi_enable) + { + cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE); + } +} + + +static void update_misc_flags(UINT8 val) +{ + orbit_misc_flags = val; + + /* BIT0 => UNUSED */ + /* BIT1 => LOCKOUT */ + /* BIT2 => NMI ENABLE */ + /* BIT3 => HEAT RST LED */ + /* BIT4 => PANEL BUS OC */ + /* BIT5 => PANEL STROBE */ + /* BIT6 => HYPER LED */ + /* BIT7 => WARNING SND */ + + orbit_nmi_enable = (orbit_misc_flags >> 2) & 1; + discrete_sound_w(ORBIT_WARNING_EN, orbit_misc_flags & 0x80); + + set_led_status(0, orbit_misc_flags & 0x08); + set_led_status(1, orbit_misc_flags & 0x40); + + coin_lockout_w(0, !(orbit_misc_flags & 0x02)); + coin_lockout_w(1, !(orbit_misc_flags & 0x02)); +} + + +static MACHINE_RESET( orbit ) +{ + update_misc_flags(0); +} + + +static WRITE8_HANDLER( orbit_misc_w ) +{ + UINT8 bit = offset >> 1; + + if (offset & 1) + { + update_misc_flags(orbit_misc_flags | (1 << bit)); + } + else + { + update_misc_flags(orbit_misc_flags & ~(1 << bit)); + } +} + + +static ADDRESS_MAP_START( orbit_map, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x00ff) AM_RAM AM_MIRROR(0x700) + AM_RANGE(0x0800, 0x0800) AM_READ(input_port_0_r) + AM_RANGE(0x1000, 0x1000) AM_READ(input_port_1_r) + AM_RANGE(0x1800, 0x1800) AM_READ(input_port_2_r) + AM_RANGE(0x2000, 0x2000) AM_READ(input_port_3_r) + AM_RANGE(0x2800, 0x2800) AM_READ(input_port_4_r) + AM_RANGE(0x3000, 0x33bf) AM_READWRITE(MRA8_RAM, orbit_playfield_w) AM_BASE(&orbit_playfield_ram) + AM_RANGE(0x33c0, 0x33ff) AM_READWRITE(MRA8_RAM, orbit_sprite_w) AM_BASE(&orbit_sprite_ram) + AM_RANGE(0x3400, 0x37bf) AM_WRITE(orbit_playfield_w) + AM_RANGE(0x37c0, 0x37ff) AM_WRITE(orbit_sprite_w) + AM_RANGE(0x3800, 0x3800) AM_WRITE(orbit_note_w) + AM_RANGE(0x3900, 0x3900) AM_WRITE(orbit_noise_amp_w) + AM_RANGE(0x3a00, 0x3a00) AM_WRITE(orbit_note_amp_w) + AM_RANGE(0x3c00, 0x3c0f) AM_WRITE(orbit_misc_w) + AM_RANGE(0x3e00, 0x3e00) AM_WRITE(orbit_noise_rst_w) + AM_RANGE(0x3f00, 0x3f00) AM_WRITE(watchdog_reset_w) + AM_RANGE(0x6800, 0x7fff) AM_ROM AM_MIRROR(0x8000) /* program */ +ADDRESS_MAP_END + + +static INPUT_PORTS_START( orbit ) + PORT_START /* 0800 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) /* actually buttons */ + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_TILT ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) + + PORT_START /* 1000 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) /* actually buttons */ + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_SERVICE( 0x40, IP_ACTIVE_LOW ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) + + PORT_START /* 1800 */ + PORT_DIPNAME( 0x07, 0x00, "Play Time Per Credit" ) + PORT_DIPSETTING( 0x00, "0:30" ) + PORT_DIPSETTING( 0x01, "1:00" ) + PORT_DIPSETTING( 0x02, "1:30" ) + PORT_DIPSETTING( 0x03, "2:00" ) + PORT_DIPSETTING( 0x04, "2:30" ) + PORT_DIPSETTING( 0x05, "3:00" ) + PORT_DIPSETTING( 0x06, "3:30" ) + PORT_DIPSETTING( 0x07, "4:00" ) + PORT_DIPNAME( 0x18, 0x00, DEF_STR( Language ) ) + PORT_DIPSETTING( 0x00, DEF_STR( English ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Spanish ) ) + PORT_DIPSETTING( 0x10, DEF_STR( French ) ) + PORT_DIPSETTING( 0x18, DEF_STR( German ) ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Free_Play )) + PORT_DIPSETTING( 0x00, DEF_STR( Off )) + PORT_DIPSETTING( 0x20, DEF_STR( On )) + PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown )) /* probably unused */ + PORT_DIPSETTING( 0x00, DEF_STR( Off )) + PORT_DIPSETTING( 0x40, DEF_STR( On )) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown )) /* probably unused */ + PORT_DIPSETTING( 0x00, DEF_STR( Off )) + PORT_DIPSETTING( 0x80, DEF_STR( On )) + + PORT_START /* 2000 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game Reset") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 8") PORT_CODE(KEYCODE_8_PAD) + PORT_DIPNAME( 0x08, 0x00, DEF_STR( Flip_Screen )) + PORT_DIPSETTING( 0x00, DEF_STR( Off )) + PORT_DIPSETTING( 0x08, DEF_STR( On )) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Heat Reset") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_DIPNAME( 0x20, 0x20, "NEXT TEST" ) /* should be off */ + PORT_DIPSETTING( 0x20, DEF_STR( Off )) + PORT_DIPSETTING( 0x00, DEF_STR( On )) + PORT_DIPNAME( 0x40, 0x40, "DIAG TEST" ) /* should be off */ + PORT_DIPSETTING( 0x40, DEF_STR( Off )) + PORT_DIPSETTING( 0x00, DEF_STR( On )) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK ) + + PORT_START /* 2800 */ + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 7 / Strong Gravity") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 6 / Stars") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 5 / Unlimited Supplies") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 4 / Space Stations") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 3 / Black Hole") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 2 / Zero Gravity") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 1 / Negative Gravity") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Game 0 / Bounce Back") PORT_CODE(KEYCODE_0_PAD) +INPUT_PORTS_END + + +static const gfx_layout orbit_full_sprite_layout = +{ + 8, 32, /* width, height */ + 128, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0, 1, 2, 3, 4, 5, 6, 7 + }, + { + 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, + 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78, + 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8, + 0xC0, 0xC8, 0xD0, 0xD8, 0xE0, 0xE8, 0xF0, 0xF8 + }, + 0x100 /* increment */ +}; + + +static const gfx_layout orbit_upper_sprite_layout = +{ + 8, 16, /* width, height */ + 128, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0, 1, 2, 3, 4, 5, 6, 7 + }, + { + 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, + 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78 + }, + 0x100 /* increment */ +}; + + +static const gfx_layout orbit_lower_sprite_layout = +{ + 8, 16, /* width, height */ + 128, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0, 1, 2, 3, 4, 5, 6, 7 + }, + { + 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8, + 0xC0, 0xC8, 0xD0, 0xD8, 0xE0, 0xE8, 0xF0, 0xF8 + }, + 0x100 /* increment */ +}; + + +static const gfx_layout orbit_tile_layout = +{ + 16, 16, /* width, height */ + 64, /* total */ + 1, /* planes */ + { 0 }, /* plane offsets */ + { + 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7 + }, + { + 0x00, 0x00, 0x08, 0x08, 0x10, 0x10, 0x18, 0x18, + 0x20, 0x20, 0x28, 0x28, 0x30, 0x30, 0x38, 0x38 + }, + 0x40 /* increment */ +}; + + +static GFXDECODE_START( orbit ) + GFXDECODE_ENTRY( REGION_GFX1, 0, orbit_full_sprite_layout, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX1, 0, orbit_upper_sprite_layout, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX1, 0, orbit_lower_sprite_layout, 0, 1 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, orbit_tile_layout, 0, 1 ) +GFXDECODE_END + + +static PALETTE_INIT( orbit ) +{ + palette_set_color(machine, 0, MAKE_RGB(0x00, 0x00, 0x00)); + palette_set_color(machine, 1, MAKE_RGB(0xFF, 0xFF, 0xFF)); +} + + +static MACHINE_DRIVER_START( orbit ) + + /* basic machine hardware */ + MDRV_CPU_ADD(M6800, 12096000 / 16) + MDRV_CPU_PROGRAM_MAP(orbit_map, 0) + MDRV_CPU_VBLANK_INT(irq0_line_pulse, 1) + MDRV_CPU_PERIODIC_INT(orbit_interrupt, 240) + + MDRV_SCREEN_REFRESH_RATE(60) /* interlaced */ + MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC((int) ((22. * 1000000) / (262. * 60) + 0.5))) + MDRV_MACHINE_RESET(orbit) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(512, 524) + MDRV_SCREEN_VISIBLE_AREA(0, 511, 0, 479) + MDRV_GFXDECODE(orbit) + MDRV_PALETTE_LENGTH(2) + MDRV_PALETTE_INIT(orbit) + MDRV_VIDEO_START(orbit) + MDRV_VIDEO_UPDATE(orbit) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_STEREO("left", "right") + + MDRV_SOUND_ADD_TAG("discrete", DISCRETE, 0) + MDRV_SOUND_CONFIG_DISCRETE(orbit) + MDRV_SOUND_ROUTE(0, "left", 1.0) + MDRV_SOUND_ROUTE(1, "right", 1.0) +MACHINE_DRIVER_END + + +ROM_START( orbit ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD_NIB_LOW ( "033701.h2", 0x6800, 0x400, CRC(6de43b85) SHA1(1643972f45d3a0dd6540158c575cd84cee2b0c9a) ) + ROM_LOAD_NIB_HIGH( "033693.l2", 0x6800, 0x400, CRC(8878409e) SHA1(a14e0161705bbc230f0aec1837ebc41d62178368) ) + ROM_LOAD_NIB_LOW ( "033702.h1", 0x6C00, 0x400, CRC(8166bdcb) SHA1(b7ae6cd46b4aff6e1e1ec9273cf068dec4a8cd46) ) + ROM_LOAD_NIB_HIGH( "033694.l1", 0x6C00, 0x400, CRC(5337a8ee) SHA1(1606bfa652bb5253c387f11c96d77d7a84983344) ) + ROM_LOAD_NIB_LOW ( "033699.f2", 0x7000, 0x400, CRC(b498b36f) SHA1(5d150af193196fccd7c20ba731a020a9ae75e516) ) + ROM_LOAD_NIB_HIGH( "033691.m2", 0x7000, 0x400, CRC(6cbabb21) SHA1(fffb3f7be73c72b4775d8cdfe174c75ae4389cba) ) + ROM_LOAD_NIB_LOW ( "033700.f1", 0x7400, 0x400, CRC(9807c922) SHA1(b6b62530b24d967104f632540ef98f2b4780c3ed) ) + ROM_LOAD_NIB_HIGH( "033692.m1", 0x7400, 0x400, CRC(96167d1b) SHA1(6f272b2f1b30aa94f51ea5710f4114bfdea19f2c) ) + ROM_LOAD_NIB_LOW ( "033697.e2", 0x7800, 0x400, CRC(19ccf0dc) SHA1(7d12c4985bd0a25ef518246faf2849e5a0cf600b) ) + ROM_LOAD_NIB_HIGH( "033689.n2", 0x7800, 0x400, CRC(ea3b70c1) SHA1(5e985fed057f362deaeb5e4049c4e8c1d449d6e1) ) + ROM_LOAD_NIB_LOW ( "033698.e1", 0x7C00, 0x400, CRC(356a7c32) SHA1(a3496c0f9d9f3e2e0b452cdc0e908dc93d179990) ) + ROM_RELOAD( 0xFC00, 0x400 ) + ROM_LOAD_NIB_HIGH( "033690.n1", 0x7C00, 0x400, CRC(f756ebd4) SHA1(4e473541b712078c6a81901714a6243de348e543) ) + ROM_RELOAD( 0xFC00, 0x400 ) + + ROM_REGION( 0x1000, REGION_GFX1, ROMREGION_DISPOSE ) /* sprites */ + ROM_LOAD( "033712.b7", 0x0000, 0x800, CRC(cfd43bf2) SHA1(dbca0da6ed355aac921bae5adeef2f384f5fa2c3) ) + ROM_LOAD( "033713.d7", 0x0800, 0x800, CRC(5ac89f4d) SHA1(747889b33cd83510a640e68fb4581a3e881c43a3) ) + + ROM_REGION( 0x200, REGION_GFX2, ROMREGION_DISPOSE ) /* tiles */ + ROM_LOAD( "033711.a7", 0x0000, 0x200, CRC(9987174a) SHA1(d2117b6e6d64c29aef8ad8c94256baea493bce5c) ) + + ROM_REGION( 0x100, REGION_PROMS, 0 ) /* sync, unused */ + ROM_LOAD( "033688.p6", 0x0000, 0x100, CRC(ee66ddba) SHA1(5b9ae4cbf019375c8d54528b69280413c641c4f2) ) +ROM_END + + +GAME( 1978, orbit, 0, orbit, orbit, 0, 0, "Atari", "Orbit", 0 ) |