diff options
Diffstat (limited to 'src/mame/drivers/sandscrp.c')
-rw-r--r-- | src/mame/drivers/sandscrp.c | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/src/mame/drivers/sandscrp.c b/src/mame/drivers/sandscrp.c new file mode 100644 index 00000000000..0b8a63b5500 --- /dev/null +++ b/src/mame/drivers/sandscrp.c @@ -0,0 +1,475 @@ +/* Sand Scorpian + + Sand Scorpion (by Face) MCU protection (collision detection etc.) + +*/ + +#include "driver.h" +#include "machine/eeprom.h" +#include "includes/kaneko16.h" +#include "sound/2203intf.h" +#include "sound/2151intf.h" +#include "sound/okim6295.h" +#include "video/kan_pand.h" + +static MACHINE_RESET( sandscrp ) +{ + kaneko16_sprite_type = 0; + + kaneko16_sprite_xoffs = 0; + kaneko16_sprite_yoffs = 0; + + kaneko16_priority.sprite[0] = 1; // above tile[0], below the others + kaneko16_priority.sprite[1] = 2; // above tile[0-1], below the others + kaneko16_priority.sprite[2] = 3; // above tile[0-2], below the others + kaneko16_priority.sprite[3] = 8; // above all + kaneko16_sprite_type = 3; // "different" sprites layout +} + +/* Sand Scorpion */ + +static UINT8 sprite_irq; +static UINT8 unknown_irq; +static UINT8 vblank_irq; + + +/* Update the IRQ state based on all possible causes */ +static void update_irq_state(void) +{ + if (vblank_irq || sprite_irq || unknown_irq) + cpunum_set_input_line(0, 1, ASSERT_LINE); + else + cpunum_set_input_line(0, 1, CLEAR_LINE); +} + + + +/* Called once/frame to generate the VBLANK interrupt */ +static INTERRUPT_GEN( sandscrp_interrupt ) +{ + vblank_irq = 1; + update_irq_state(); +} + + +static VIDEO_EOF( sandscrp ) +{ + sprite_irq = 1; + update_irq_state(); + pandora_eof(machine); +} + +/* Reads the cause of the interrupt */ +static READ16_HANDLER( sandscrp_irq_cause_r ) +{ + return ( sprite_irq ? 0x08 : 0 ) | + ( unknown_irq ? 0x10 : 0 ) | + ( vblank_irq ? 0x20 : 0 ) ; +} + + +/* Clear the cause of the interrupt */ +static WRITE16_HANDLER( sandscrp_irq_cause_w ) +{ + if (ACCESSING_LSB) + { + kaneko16_sprite_flipx = data & 1; + kaneko16_sprite_flipy = data & 1; + + if (data & 0x08) sprite_irq = 0; + if (data & 0x10) unknown_irq = 0; + if (data & 0x20) vblank_irq = 0; + } + + update_irq_state(); +} + + + +/*************************************************************************** + Sand Scorpion +***************************************************************************/ + +static WRITE16_HANDLER( sandscrp_coin_counter_w ) +{ + if (ACCESSING_LSB) + { + coin_counter_w(0, data & 0x0001); + coin_counter_w(1, data & 0x0002); + } +} + +static UINT8 latch1_full; +static UINT8 latch2_full; + +static READ16_HANDLER( sandscrp_latchstatus_word_r ) +{ + return (latch1_full ? 0x80 : 0) | + (latch2_full ? 0x40 : 0) ; +} + +static WRITE16_HANDLER( sandscrp_latchstatus_word_w ) +{ + if (ACCESSING_LSB) + { + latch1_full = data & 0x80; + latch2_full = data & 0x40; + } +} + +static READ16_HANDLER( sandscrp_soundlatch_word_r ) +{ + latch2_full = 0; + return soundlatch2_r(0); +} + +static WRITE16_HANDLER( sandscrp_soundlatch_word_w ) +{ + if (ACCESSING_LSB) + { + latch1_full = 1; + soundlatch_w(0, data & 0xff); + cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE); + cpu_spinuntil_time(ATTOTIME_IN_USEC(100)); // Allow the other cpu to reply + } +} + +static ADDRESS_MAP_START( sandscrp, ADDRESS_SPACE_PROGRAM, 16 ) + AM_RANGE(0x000000, 0x07ffff) AM_ROM // ROM + AM_RANGE(0x100000, 0x100001) AM_WRITE(sandscrp_irq_cause_w) // IRQ Ack + + AM_RANGE(0x700000, 0x70ffff) AM_RAM // RAM + AM_RANGE(0x200000, 0x20001f) AM_READWRITE(galpanib_calc_r,galpanib_calc_w) // Protection + AM_RANGE(0x300000, 0x30000f) AM_READWRITE(MRA16_RAM, kaneko16_layers_0_regs_w) AM_BASE(&kaneko16_layers_0_regs) // Layers 0 Regs + AM_RANGE(0x400000, 0x400fff) AM_READWRITE(MRA16_RAM, kaneko16_vram_1_w) AM_BASE(&kaneko16_vram_1) // Layers 0 + AM_RANGE(0x401000, 0x401fff) AM_READWRITE(MRA16_RAM, kaneko16_vram_0_w) AM_BASE(&kaneko16_vram_0) // + AM_RANGE(0x402000, 0x402fff) AM_RAM AM_BASE(&kaneko16_vscroll_1) // + AM_RANGE(0x403000, 0x403fff) AM_RAM AM_BASE(&kaneko16_vscroll_0) // + AM_RANGE(0x500000, 0x501fff) AM_READWRITE(pandora_spriteram_LSB_r, pandora_spriteram_LSB_w ) // sprites + AM_RANGE(0x600000, 0x600fff) AM_READWRITE(MRA16_RAM, paletteram16_xGGGGGRRRRRBBBBB_word_w) AM_BASE(&paletteram16) // Palette + AM_RANGE(0xa00000, 0xa00001) AM_WRITE(sandscrp_coin_counter_w) // Coin Counters (Lockout unused) + AM_RANGE(0xb00000, 0xb00001) AM_READ(input_port_0_word_r) // Inputs + AM_RANGE(0xb00002, 0xb00003) AM_READ(input_port_1_word_r) // + AM_RANGE(0xb00004, 0xb00005) AM_READ(input_port_2_word_r) // + AM_RANGE(0xb00006, 0xb00007) AM_READ(input_port_3_word_r) // + AM_RANGE(0xec0000, 0xec0001) AM_READ(watchdog_reset16_r) // + AM_RANGE(0x800000, 0x800001) AM_READ(sandscrp_irq_cause_r) // IRQ Cause + AM_RANGE(0xe00000, 0xe00001) AM_READWRITE(sandscrp_soundlatch_word_r, sandscrp_soundlatch_word_w) // From/To Sound CPU + AM_RANGE(0xe40000, 0xe40001) AM_READWRITE(sandscrp_latchstatus_word_r, sandscrp_latchstatus_word_w) // +ADDRESS_MAP_END + + + +/*************************************************************************** + Sand Scorpion +***************************************************************************/ + +static WRITE8_HANDLER( sandscrp_bankswitch_w ) +{ + UINT8 *RAM = memory_region(REGION_CPU1); + int bank = data & 0x07; + + if ( bank != data ) logerror("CPU #1 - PC %04X: Bank %02X\n",activecpu_get_pc(),data); + + if (bank < 3) RAM = &RAM[0x4000 * bank]; + else RAM = &RAM[0x4000 * (bank-3) + 0x10000]; + + memory_set_bankptr(1, RAM); +} + +static READ8_HANDLER( sandscrp_latchstatus_r ) +{ + return (latch2_full ? 0x80 : 0) | // swapped!? + (latch1_full ? 0x40 : 0) ; +} + +static READ8_HANDLER( sandscrp_soundlatch_r ) +{ + latch1_full = 0; + return soundlatch_r(0); +} + +static WRITE8_HANDLER( sandscrp_soundlatch_w ) +{ + latch2_full = 1; + soundlatch2_w(0,data); +} + +static ADDRESS_MAP_START( sandscrp_soundmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_ROM // ROM + AM_RANGE(0x8000, 0xbfff) AM_READWRITE(MRA8_BANK1, MWA8_ROM) // Banked ROM + AM_RANGE(0xc000, 0xdfff) AM_RAM // RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( sandscrp_soundport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x00, 0x00) AM_WRITE(sandscrp_bankswitch_w) // ROM Bank + AM_RANGE(0x02, 0x02) AM_READWRITE(YM2203_status_port_0_r, YM2203_control_port_0_w) // YM2203 + AM_RANGE(0x03, 0x03) AM_READWRITE(YM2203_read_port_0_r, YM2203_write_port_0_w) // PORTA/B read + AM_RANGE(0x04, 0x04) AM_WRITE(OKIM6295_data_0_w) // OKIM6295 + AM_RANGE(0x06, 0x06) AM_WRITE(sandscrp_soundlatch_w) // + AM_RANGE(0x07, 0x07) AM_READ(sandscrp_soundlatch_r) // + AM_RANGE(0x08, 0x08) AM_READ(sandscrp_latchstatus_r) // +ADDRESS_MAP_END + + +/*************************************************************************** + Sand Scorpion +***************************************************************************/ + +static INPUT_PORTS_START( sandscrp ) + PORT_START // IN0 - $b00000.w + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START // IN1 - $b00002.w + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START // IN2 - $b00004.w + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_TILT ) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_SERVICE1 ) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START // IN3 - $b00006.w + PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START // IN4 - DSW 1 read by the Z80 through the sound chip + PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) ) + PORT_DIPSETTING( 0x02, "1" ) + PORT_DIPSETTING( 0x01, "2" ) + PORT_DIPSETTING( 0x03, "3" ) + PORT_DIPSETTING( 0x00, "5" ) + PORT_DIPNAME( 0x0c, 0x0c, "Bombs" ) + PORT_DIPSETTING( 0x08, "1" ) + PORT_DIPSETTING( 0x04, "2" ) + PORT_DIPSETTING( 0x0c, "3" ) + PORT_DIPSETTING( 0x00, "5" ) + PORT_DIPNAME( 0x30, 0x30, DEF_STR( Difficulty ) ) + PORT_DIPSETTING( 0x30, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Normal ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Hard ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) ) + PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Bonus_Life ) ) + PORT_DIPSETTING( 0x80, "100K, 300K" ) + PORT_DIPSETTING( 0xc0, "200K, 500K" ) + PORT_DIPSETTING( 0x40, "500K, 1000K" ) + PORT_DIPSETTING( 0x00, "1000K, 3000K" ) + + PORT_START // IN5 - DSW 2 read by the Z80 through the sound chip + PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x0a, DEF_STR( 6C_1C ) ) + PORT_DIPSETTING( 0x0b, DEF_STR( 5C_1C ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x0d, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 8C_3C ) ) + PORT_DIPSETTING( 0x0e, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 5C_3C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 3C_2C ) ) + PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0x09, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x07, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 1C_5C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 1C_6C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Flip_Screen ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Allow_Continue ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x20, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Demo_Sounds ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x40, DEF_STR( On ) ) + PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) +INPUT_PORTS_END + + +/* 16x16x4 tiles (made of four 8x8 tiles) */ +static const gfx_layout layout_16x16x4_2 = +{ + 16,16, + RGN_FRAC(1,1), + 4, + { STEP4(0,1) }, + { STEP4(8*8*4*0 + 3*4, -4), STEP4(8*8*4*0 + 7*4, -4), + STEP4(8*8*4*1 + 3*4, -4), STEP4(8*8*4*1 + 7*4, -4) }, + { STEP8(8*8*4*0, 8*4), STEP8(8*8*4*2, 8*4) }, + 16*16*4 +}; + +static const gfx_layout layout_16x16x4 = +{ + 16,16, + RGN_FRAC(1,1), + 4, + { STEP4(0,1) }, + { STEP8(8*8*4*0,4), STEP8(8*8*4*1,4) }, + { STEP8(8*8*4*0,8*4), STEP8(8*8*4*2,8*4) }, + 16*16*4 +}; + + +static GFXDECODE_START( sandscrp ) + GFXDECODE_ENTRY( REGION_GFX1, 0, layout_16x16x4, 0x000, 0x10 ) // [0] Sprites + GFXDECODE_ENTRY( REGION_GFX2, 0, layout_16x16x4_2, 0x400, 0x40 ) // [1] Layers +GFXDECODE_END + + + +/*************************************************************************** + Sand Scorpion +***************************************************************************/ + +/* YM3014B + YM2203C */ + +static void irq_handler(int irq) +{ + cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE); +} + +static struct YM2203interface ym2203_intf_sandscrp = +{ + input_port_4_r, /* Port A Read - DSW 1 */ + input_port_5_r, /* Port B Read - DSW 2 */ + 0, /* Port A Write */ + 0, /* Port B Write */ + irq_handler /* IRQ handler */ +}; + + +static MACHINE_DRIVER_START( sandscrp ) + + /* basic machine hardware */ + MDRV_CPU_ADD(M68000,12000000) /* TMP68HC000N-12 */ + MDRV_CPU_PROGRAM_MAP(sandscrp,0) + MDRV_CPU_VBLANK_INT(sandscrp_interrupt,1) + + MDRV_CPU_ADD(Z80,4000000) /* Z8400AB1, Reads the DSWs: it can't be disabled */ + MDRV_CPU_PROGRAM_MAP(sandscrp_soundmem,0) + MDRV_CPU_IO_MAP(sandscrp_soundport,0) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME( DEFAULT_REAL_60HZ_VBLANK_DURATION ) + MDRV_WATCHDOG_VBLANK_INIT(DEFAULT_60HZ_3S_VBLANK_WATCHDOG) + + MDRV_MACHINE_RESET(sandscrp) + + /* 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(sandscrp) + MDRV_PALETTE_LENGTH(2048) + + MDRV_VIDEO_START(sandscrp_1xVIEW2) + MDRV_VIDEO_EOF(sandscrp) + MDRV_VIDEO_UPDATE(sandscrp) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_STEREO("left", "right") + + MDRV_SOUND_ADD(OKIM6295, 12000000/6) + MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.25) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.25) + + MDRV_SOUND_ADD(YM2203, 4000000) + MDRV_SOUND_CONFIG(ym2203_intf_sandscrp) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.25) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.25) +MACHINE_DRIVER_END + + + +/*************************************************************************** + + Sand Scorpion + +(C) FACE +68HC000N-12 +Z8400AB1 +OKI6295, YM2203C +OSC: 16.000mhz, 12.000mhz + +SANDSC03.BIN 27C040 +SANDSC04.BIN 27C040 +SANDSC05.BIN 27C040 +SANDSC06.BIN 27C040 +SANDSC07.BIN 27C2001 +SANDSC08.BIN 27C1001 +SANDSC11.BIN 27C2001 +SANDSC12.BIN 27C2001 + +***************************************************************************/ + +ROM_START( sandscrp ) + ROM_REGION( 0x080000, REGION_CPU1, 0 ) /* 68000 Code */ + ROM_LOAD16_BYTE( "sandsc11.bin", 0x000000, 0x040000, CRC(9b24ab40) SHA1(3187422dbe8b15d8053be4cb20e56d3e6afbd5f2) ) + ROM_LOAD16_BYTE( "sandsc12.bin", 0x000001, 0x040000, CRC(ad12caee) SHA1(83267445b89c3cf4dc317106aa68763d2f29eff7) ) + + ROM_REGION( 0x24000, REGION_CPU2, 0 ) /* Z80 Code */ + ROM_LOAD( "sandsc08.bin", 0x00000, 0x0c000, CRC(6f3e9db1) SHA1(06a04fa17f44319986913bff70433510c89e38f1) ) + ROM_CONTINUE( 0x10000, 0x14000 ) + + ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE ) /* Sprites */ + ROM_LOAD( "sandsc05.bin", 0x000000, 0x080000, CRC(9bb675f6) SHA1(c3f6768cfd99a0e19ca2224fff9aa4e27ec0da24) ) + ROM_LOAD( "sandsc06.bin", 0x080000, 0x080000, CRC(7df2f219) SHA1(e2a59e201bfededa92d6c86f8dc1b212527ef66f) ) + + ROM_REGION( 0x100000, REGION_GFX2, ROMREGION_DISPOSE ) /* Layers */ + ROM_LOAD16_BYTE( "sandsc04.bin", 0x000000, 0x080000, CRC(b9222ff2) SHA1(a445da3f7f5dea5ff64bb0b048f624f947875a39) ) + ROM_LOAD16_BYTE( "sandsc03.bin", 0x000001, 0x080000, CRC(adf20fa0) SHA1(67a7a2be774c86916cbb97e4c9b16c2e48125780) ) + + ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */ + ROM_LOAD( "sandsc07.bin", 0x000000, 0x040000, CRC(9870ab12) SHA1(5ea3412cbc57bfaa32a1e2552b2eb46f4ceb5fa8) ) +ROM_END + + +ROM_START( sandscra ) + ROM_REGION( 0x080000, REGION_CPU1, 0 ) /* 68000 Code */ + ROM_LOAD16_BYTE( "11.ic4", 0x000000, 0x040000, CRC(80020cab) SHA1(4f1f4d8ea07ad745f2d6d3f800686f07fe4bf20f) ) + ROM_LOAD16_BYTE( "12.ic5", 0x000001, 0x040000, CRC(8df1d42f) SHA1(2a9db5c4b99a8a3f62bffa9ddd96a95e2042602b) ) + + ROM_REGION( 0x24000, REGION_CPU2, 0 ) /* Z80 Code */ + ROM_LOAD( "sandsc08.bin", 0x00000, 0x0c000, CRC(6f3e9db1) SHA1(06a04fa17f44319986913bff70433510c89e38f1) ) + ROM_CONTINUE( 0x10000, 0x14000 ) + + ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE ) /* Sprites */ + ROM_LOAD( "ss502.ic16", 0x000000, 0x100000, CRC(d8012ebb) SHA1(975bbb3b57a09e41d2257d4fa3a64097144de554) ) + + ROM_REGION( 0x100000, REGION_GFX2, ROMREGION_DISPOSE ) /* Layers */ + ROM_LOAD16_WORD_SWAP( "ss501.ic30", 0x000000, 0x100000, CRC(0cf9f99d) SHA1(47f7f120d2bc075bedaff0a44306a8f46a1d848c) ) + + ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */ + ROM_LOAD( "sandsc07.bin", 0x000000, 0x040000, CRC(9870ab12) SHA1(5ea3412cbc57bfaa32a1e2552b2eb46f4ceb5fa8) ) +ROM_END + + +GAME( 1992, sandscrp, 0, sandscrp, sandscrp, 0, ROT90, "Face", "Sand Scorpion (set 1)", 0 ) +GAME( 1992, sandscra, sandscrp, sandscrp, sandscrp, 0, ROT90, "Face", "Sand Scorpion (set 2)", 0 ) |