/*
Sand Scorpion
(C) 1992 FACE
PCB Number: Z03VA-001
CPU: TMP68HC000N-12
Sound CPU: Z8400AB1 (Z80A)
Sound: OKI6295, YM2203C & Y3014B
OSC: 16.000mhz & 12.000mhz
Dips: Two 8-way dipswitch banks
Kaneko custom (surfaced scratched):
PX79C480FP-3 PANDORA-CHIP (160pin PQFP) <- Sprites
VIEW2-CHIP (144pin PQFP) <- Tilemaps
HELP1-CHIP (64pin PQFP)
CALC1-CHIP (40pin DIP) <- Collision Detection etc.
+-------------------------------------+
| VOL M6295 7.IC55 Z80A HELP1 |
| Y3014B YM2203C 8.IC51 |
| DSW1 DSW2 LH5168D 4.IC32|
| 12MHz 16MHz LH5168D 3.IC33|
|J LH5168D IC30*|
|A VIEW2 IC31*|
|M LH5116D M51257AL |
|M LH5116D PAL M51257AL |
|A 2.IC5|
| PAL 1.IC4|
| IC15* PANDORA 68000|
| IC14* 5.IC16 M41464 M41464 CALC1|
| IC18* 6.IC17 M41464 M41464 |
+-------------------------------------+
IC18 unpopulated 28 pin socket (silkscreened EPROM)
IC14 & IC15 unpopulated 32 pin socket (silkscreened MASK)
IC30 & IC31 unpopulated 42 pin socket (silkscreened MASK)
RAM:
OKI M41464C-10 (x4)
OKI M51257AL-10 (x2)
Sharp LH5116D-10 (x2)
Sharp LH5168D-10L (x3)
PALS:
AMI 18CV8PC-25 (Stamped IC25D located at IC25)
AMI 18CV8PC-25 (Stamped IC26 located at IC26)
Chips simply labeled 1 through 8
ROM ID ROM Type
===================
1.ic4 27C2001
2.ic5 27C2001
3.ic33 27C040
4.ic32 27C040
5.ic16 27C040
6.ic17 27C040
7.ic55 27C2001
8.ic51 27C1001
Alternate Program roms:
11.ic4 27C2001
12.ic5 27C2001
Is there another alt program rom set labeled 9 & 10?
*/
#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(running_machine *machine)
{
if (vblank_irq || sprite_irq || unknown_irq)
cpunum_set_input_line(machine, 0, 1, ASSERT_LINE);
else
cpunum_set_input_line(machine, 0, 1, CLEAR_LINE);
}
/* Called once/frame to generate the VBLANK interrupt */
static INTERRUPT_GEN( sandscrp_interrupt )
{
vblank_irq = 1;
update_irq_state(machine);
}
static VIDEO_EOF( sandscrp )
{
sprite_irq = 1;
update_irq_state(machine);
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_BITS_0_7)
{
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(machine);
}
/***************************************************************************
Sand Scorpion
***************************************************************************/
static WRITE16_HANDLER( sandscrp_coin_counter_w )
{
if (ACCESSING_BITS_0_7)
{
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_BITS_0_7)
{
latch1_full = data & 0x80;
latch2_full = data & 0x40;
}
}
static READ16_HANDLER( sandscrp_soundlatch_word_r )
{
latch2_full = 0;
return soundlatch2_r(machine,0);
}
static WRITE16_HANDLER( sandscrp_soundlatch_word_w )
{
if (ACCESSING_BITS_0_7)
{
latch1_full = 1;
soundlatch_w(machine, 0, data & 0xff);
cpunum_set_input_line(machine, 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_RAM_WRITE(kaneko16_layers_0_regs_w) AM_BASE(&kaneko16_layers_0_regs) // Layers 0 Regs
AM_RANGE(0x400000, 0x400fff) AM_RAM_WRITE(kaneko16_vram_1_w) AM_BASE(&kaneko16_vram_1) // Layers 0
AM_RANGE(0x401000, 0x401fff) AM_RAM_WRITE(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_RAM_WRITE(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_PORT("P1")
AM_RANGE(0xb00002, 0xb00003) AM_READ_PORT("P2")
AM_RANGE(0xb00004, 0xb00005) AM_READ_PORT("SYSTEM")
AM_RANGE(0xb00006, 0xb00007) AM_READ_PORT("UNK")
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(machine, "main");
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(machine,0);
}
static WRITE8_HANDLER( sandscrp_soundlatch_w )
{
latch2_full = 1;
soundlatch2_w(machine,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(SMH_BANK1, SMH_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_GLOBAL_MASK(0xff)
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("P1") /* $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("P2") /* $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("SYSTEM") /* $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("UNK") /* $b00006.w */
PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("DSW1") /* 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("DSW2") /* 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( "gfx1", 0, layout_16x16x4, 0x000, 0x10 ) // [0] Sprites
GFXDECODE_ENTRY( "gfx2", 0, layout_16x16x4_2, 0x400, 0x40 ) // [1] Layers
GFXDECODE_END
/***************************************************************************
Sand Scorpion
***************************************************************************/
/* YM3014B + YM2203C */
static void irq_handler(running_machine *machine, int irq)
{
cpunum_set_input_line(machine, 1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}
static const ym2203_interface ym2203_intf_sandscrp =
{
{
AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS,
input_port_4_r, /* Port A Read - DSW 1 */
input_port_5_r, /* Port B Read - DSW 2 */
NULL, /* Port A Write */
NULL, /* Port B Write */
},
irq_handler /* IRQ handler */
};
static MACHINE_DRIVER_START( sandscrp )
/* basic machine hardware */
MDRV_CPU_ADD("main", M68000,12000000) /* TMP68HC000N-12 */
MDRV_CPU_PROGRAM_MAP(sandscrp,0)
MDRV_CPU_VBLANK_INT("main", sandscrp_interrupt)
MDRV_CPU_ADD("audio", 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_WATCHDOG_TIME_INIT(UINT64_ATTOTIME_IN_SEC(3)) /* a guess, and certainly wrong */
MDRV_MACHINE_RESET(sandscrp)
/* video hardware */
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME( ATTOSECONDS_IN_USEC(2500) /* not accurate */ )
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("oki", OKIM6295, 12000000/6)
MDRV_SOUND_CONFIG(okim6295_interface_pin7high)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "left", 0.25)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "right", 0.25)
MDRV_SOUND_ADD("ym", 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
***************************************************************************/
ROM_START( sandscrp ) /* Z03VA-003 PCB */
ROM_REGION( 0x080000, "main", 0 ) /* 68000 Code */
ROM_LOAD16_BYTE( "11.bin", 0x000000, 0x040000, CRC(9b24ab40) SHA1(3187422dbe8b15d8053be4cb20e56d3e6afbd5f2) ) /* Location is IC4 */
ROM_LOAD16_BYTE( "12.bin", 0x000001, 0x040000, CRC(ad12caee) SHA1(83267445b89c3cf4dc317106aa68763d2f29eff7) ) /* Location is IC5 */
ROM_REGION( 0x24000, "audio", 0 ) /* Z80 Code */
ROM_LOAD( "8.ic51", 0x00000, 0x0c000, CRC(6f3e9db1) SHA1(06a04fa17f44319986913bff70433510c89e38f1) )
ROM_CONTINUE( 0x10000, 0x14000 )
ROM_REGION( 0x100000, "gfx1", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "5.ic16", 0x000000, 0x080000, CRC(9bb675f6) SHA1(c3f6768cfd99a0e19ca2224fff9aa4e27ec0da24) )
ROM_LOAD( "6.ic17", 0x080000, 0x080000, CRC(7df2f219) SHA1(e2a59e201bfededa92d6c86f8dc1b212527ef66f) )
ROM_REGION( 0x100000, "gfx2", ROMREGION_DISPOSE ) /* Layers */
ROM_LOAD16_BYTE( "4.ic32", 0x000000, 0x080000, CRC(b9222ff2) SHA1(a445da3f7f5dea5ff64bb0b048f624f947875a39) )
ROM_LOAD16_BYTE( "3.ic33", 0x000001, 0x080000, CRC(adf20fa0) SHA1(67a7a2be774c86916cbb97e4c9b16c2e48125780) )
ROM_REGION( 0x040000, "oki", 0 ) /* Samples */
ROM_LOAD( "7.ic55", 0x000000, 0x040000, CRC(9870ab12) SHA1(5ea3412cbc57bfaa32a1e2552b2eb46f4ceb5fa8) )
ROM_END
ROM_START( sandscra ) /* Z03VA-003 PCB, earlier program version */
ROM_REGION( 0x080000, "main", 0 ) /* 68000 Code */
ROM_LOAD16_BYTE( "1.ic4", 0x000000, 0x040000, CRC(c0943ae2) SHA1(04dac4e1f116cd96d6292daa61ef40efc7eba919) )
ROM_LOAD16_BYTE( "2.ic5", 0x000001, 0x040000, CRC(6a8e0012) SHA1(2350b11c9bd545c8ba4b3c25cd6547ba2ad474b5) )
ROM_REGION( 0x24000, "audio", 0 ) /* Z80 Code */
ROM_LOAD( "8.ic51", 0x00000, 0x0c000, CRC(6f3e9db1) SHA1(06a04fa17f44319986913bff70433510c89e38f1) )
ROM_CONTINUE( 0x10000, 0x14000 )
ROM_REGION( 0x100000, "gfx1", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "5.ic16", 0x000000, 0x080000, CRC(9bb675f6) SHA1(c3f6768cfd99a0e19ca2224fff9aa4e27ec0da24) )
ROM_LOAD( "6.ic17", 0x080000, 0x080000, CRC(7df2f219) SHA1(e2a59e201bfededa92d6c86f8dc1b212527ef66f) )
ROM_REGION( 0x100000, "gfx2", ROMREGION_DISPOSE ) /* Layers */
ROM_LOAD16_BYTE( "4.ic32", 0x000000, 0x080000, CRC(b9222ff2) SHA1(a445da3f7f5dea5ff64bb0b048f624f947875a39) )
ROM_LOAD16_BYTE( "3.ic33", 0x000001, 0x080000, CRC(adf20fa0) SHA1(67a7a2be774c86916cbb97e4c9b16c2e48125780) )
ROM_REGION( 0x040000, "oki", 0 ) /* Samples */
ROM_LOAD( "7.ic55", 0x000000, 0x040000, CRC(9870ab12) SHA1(5ea3412cbc57bfaa32a1e2552b2eb46f4ceb5fa8) )
ROM_END
ROM_START( sandscrb ) /* Different rev PCB */
ROM_REGION( 0x080000, "main", 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, "audio", 0 ) /* Z80 Code */
ROM_LOAD( "8.ic51", 0x00000, 0x0c000, CRC(6f3e9db1) SHA1(06a04fa17f44319986913bff70433510c89e38f1) )
ROM_CONTINUE( 0x10000, 0x14000 )
ROM_REGION( 0x100000, "gfx1", ROMREGION_DISPOSE ) /* Sprites */
ROM_LOAD( "ss502.ic16", 0x000000, 0x100000, CRC(d8012ebb) SHA1(975bbb3b57a09e41d2257d4fa3a64097144de554) )
ROM_REGION( 0x100000, "gfx2", ROMREGION_DISPOSE ) /* Layers */
ROM_LOAD16_WORD_SWAP( "ss501.ic30", 0x000000, 0x100000, CRC(0cf9f99d) SHA1(47f7f120d2bc075bedaff0a44306a8f46a1d848c) )
ROM_REGION( 0x040000, "oki", 0 ) /* Samples */
ROM_LOAD( "7.ic55", 0x000000, 0x040000, CRC(9870ab12) SHA1(5ea3412cbc57bfaa32a1e2552b2eb46f4ceb5fa8) )
ROM_END
GAME( 1992, sandscrp, 0, sandscrp, sandscrp, 0, ROT90, "Face", "Sand Scorpion", 0 )
GAME( 1992, sandscra, sandscrp, sandscrp, sandscrp, 0, ROT90, "Face", "Sand Scorpion (Earlier)", 0 )
GAME( 1992, sandscrb, sandscrp, sandscrp, sandscrp, 0, ROT90, "Face", "Sand Scorpion (Revised Hardware)", 0 )