/* US Games - Trivia / Quiz / 'Amusement Only' Gambling Games */
/*
there is a 'Security Test' in service mode
'usg82', 'usg83' and 'usg83x' don't seem to be able to record
the changes you make in the "test mode" 8(
*/
/* readme info
US Games
Counter Top Mini Games
1987-1992
In this archive are different versions.
Version 3.2, 8.3, 18.5, and 25.2.
Hardware Specs: MC6809P, MC6845P, MB8146A x 3
Sound: AY-3-8912
*/
#include "driver.h"
#include "video/crtc6845.h"
#include "sound/ay8910.h"
/* video */
WRITE8_HANDLER( usg_videoram_w );
WRITE8_HANDLER( usg_charram_w );
VIDEO_START(usg);
PALETTE_INIT(usg);
VIDEO_UPDATE(usg);
extern tilemap *usg_tilemap;
extern UINT8 *usg_videoram,*usg_charram;
static WRITE8_HANDLER( usg_rombank_w )
{
UINT8 *RAM = memory_region(REGION_CPU1);
// logerror ("BANK WRITE? -%02x-\n",data);
//popmessage("%02x",data);
memory_set_bankptr( 1,&RAM[ 0x10000 + 0x4000 * data] );
}
static WRITE8_HANDLER( lamps1_w )
{
/* button lamps */
set_led_status(0,data & 0x01);
set_led_status(1,data & 0x02);
set_led_status(2,data & 0x04);
set_led_status(3,data & 0x08);
set_led_status(4,data & 0x10);
/* bit 5 toggles all the time - extra lamp? */
}
static WRITE8_HANDLER( lamps2_w )
{
/* bit 5 toggles all the time - extra lamp? */
}
static ADDRESS_MAP_START( usg_readmem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_READ(MRA8_RAM)
AM_RANGE(0x2000, 0x2000) AM_READ(input_port_1_r)
AM_RANGE(0x2010, 0x2010) AM_READ(input_port_0_r)
AM_RANGE(0x2041, 0x2041) AM_READ(input_port_2_r)
AM_RANGE(0x2070, 0x2070) AM_READ(input_port_3_r)
AM_RANGE(0x2800, 0x2fff) AM_READ(MRA8_RAM)
AM_RANGE(0x3000, 0x3fff) AM_READ(MRA8_RAM)
AM_RANGE(0x4000, 0x7fff) AM_READ(MRA8_BANK1)
AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END
static ADDRESS_MAP_START( usg185_readmem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_READ(MRA8_RAM)
AM_RANGE(0x2400, 0x2400) AM_READ(input_port_1_r)
AM_RANGE(0x2410, 0x2410) AM_READ(input_port_0_r)
AM_RANGE(0x2441, 0x2441) AM_READ(input_port_2_r)
AM_RANGE(0x2470, 0x2470) AM_READ(input_port_3_r)
AM_RANGE(0x2800, 0x2fff) AM_READ(MRA8_RAM)
AM_RANGE(0x3000, 0x3fff) AM_READ(MRA8_RAM)
AM_RANGE(0x4000, 0x7fff) AM_READ(MRA8_BANK1)
AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END
static ADDRESS_MAP_START( usg_writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_WRITE(MWA8_RAM) AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
AM_RANGE(0x2020, 0x2020) AM_WRITE(lamps1_w)
AM_RANGE(0x2030, 0x2030) AM_WRITE(lamps2_w)
AM_RANGE(0x2040, 0x2040) AM_WRITE(crtc6845_address_w)
AM_RANGE(0x2041, 0x2041) AM_WRITE(crtc6845_register_w)
AM_RANGE(0x2400, 0x2400) AM_WRITE(AY8910_control_port_0_w)
AM_RANGE(0x2401, 0x2401) AM_WRITE(AY8910_write_port_0_w)
AM_RANGE(0x2060, 0x2060) AM_WRITE(usg_rombank_w)
AM_RANGE(0x2800, 0x2fff) AM_WRITE(usg_charram_w) AM_BASE(&usg_charram)
AM_RANGE(0x3000, 0x3fff) AM_WRITE(usg_videoram_w) AM_BASE(&usg_videoram)
AM_RANGE(0x4000, 0x7fff) AM_WRITE(MWA8_ROM)
AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END
static ADDRESS_MAP_START( usg185_writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_WRITE(MWA8_RAM) AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
AM_RANGE(0x2420, 0x2420) AM_WRITE(lamps1_w)
AM_RANGE(0x2430, 0x2430) AM_WRITE(lamps2_w)
AM_RANGE(0x2440, 0x2440) AM_WRITE(crtc6845_address_w)
AM_RANGE(0x2441, 0x2441) AM_WRITE(crtc6845_register_w)
AM_RANGE(0x2000, 0x2000) AM_WRITE(AY8910_control_port_0_w)
AM_RANGE(0x2001, 0x2001) AM_WRITE(AY8910_write_port_0_w)
AM_RANGE(0x2460, 0x2460) AM_WRITE(usg_rombank_w)
AM_RANGE(0x2800, 0x2fff) AM_WRITE(usg_charram_w) AM_BASE(&usg_charram)
AM_RANGE(0x3000, 0x3fff) AM_WRITE(usg_videoram_w) AM_BASE(&usg_videoram)
AM_RANGE(0x4000, 0x7fff) AM_WRITE(MWA8_ROM)
AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END
#define USGIN0\
PORT_START_TAG("IN0")\
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Button 1") PORT_CODE(KEYCODE_Z)\
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Button 2") PORT_CODE(KEYCODE_X)\
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Button 3") PORT_CODE(KEYCODE_C)\
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Button 4") PORT_CODE(KEYCODE_V)\
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Button 5") PORT_CODE(KEYCODE_B)\
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )\
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
#define USGIN2 \
PORT_START_TAG("IN2")\
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
#define USGIN3\
PORT_START_TAG("IN3")\
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )\
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )\
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )\
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
static INPUT_PORTS_START( usg32 )
USGIN0
PORT_START_TAG("DSW")
PORT_DIPNAME( 0x01, 0x01, "Service Keyboard Attached?" ) //Not actually a DIP, when keyboard is plugged in, this goes low
PORT_DIPSETTING( 0x01, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_SERVICE_NO_TOGGLE(0x02, IP_ACTIVE_HIGH)
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SPECIAL ) // +12 Volts?
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
USGIN2
USGIN3
INPUT_PORTS_END
static INPUT_PORTS_START( usg83 ) //From here, the hardware was slightly upgraded, but not too different.
USGIN0
PORT_START
PORT_DIPNAME( 0x01, 0x01, "Service Keyboard Attached?" ) //Not actually a DIP, when keyboard is plugged in, this goes low
PORT_DIPSETTING( 0x01, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_SERVICE_NO_TOGGLE(0x02, IP_ACTIVE_HIGH)
PORT_DIPNAME( 0x04, 0x04, "Test_Switch" )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SPECIAL ) // +12 Volts?
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
USGIN2
USGIN3
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8,
0x100,
1,
{ 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8
};
static GFXDECODE_START( usgames )
GFXDECODE_ENTRY( REGION_CPU1, 0x2800, charlayout, 0, 256 )
GFXDECODE_END
static MACHINE_DRIVER_START( usg )
/* basic machine hardware */
MDRV_CPU_ADD_TAG("main", M6809, 2000000) /* ?? */
MDRV_CPU_PROGRAM_MAP(usg_readmem,usg_writemem)
MDRV_CPU_VBLANK_INT(irq0_line_hold,5) /* ?? */
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION)
MDRV_NVRAM_HANDLER(generic_0fill)
/* video hardware */
MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(64*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(7*8, 57*8-1, 0*8, 31*8-1)
MDRV_GFXDECODE(usgames)
MDRV_PALETTE_LENGTH(16)
MDRV_COLORTABLE_LENGTH(2*256)
MDRV_PALETTE_INIT(usg)
MDRV_VIDEO_START(usg)
MDRV_VIDEO_UPDATE(usg)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD(AY8910, 2000000)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_DRIVER_END
static MACHINE_DRIVER_START( usg185 )
MDRV_IMPORT_FROM(usg)
MDRV_CPU_MODIFY("main")
MDRV_CPU_PROGRAM_MAP(usg185_readmem,usg185_writemem)
MACHINE_DRIVER_END
ROM_START( usg32 )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "usg32-0.bin", 0x08000, 0x08000, CRC(bc313387) SHA1(8df2e2736f14e965303993ae4105176bdd59f49d) )
/* for the banked region */
ROM_LOAD( "usg32-1.bin", 0x18000, 0x08000, CRC(baaea800) SHA1(1f35b8c0d40a923488c591497a3c3806d6d104e1) )
ROM_LOAD( "usg32-2.bin", 0x28000, 0x08000, CRC(d73d7f48) SHA1(a76582b80acd38abbb6f0f61d27b2920a3128516) )
ROM_LOAD( "usg32-3.bin", 0x38000, 0x08000, CRC(22747804) SHA1(b86af1db1733ddd0629843e44da9bc8d6b102eb6) )
ROM_END
/* You can't change the status of "Sexy Triv I" and "Sexy Triv II" */
ROM_START( usg83 )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "grom08-3.rom", 0x08000, 0x08000, CRC(aae84186) SHA1(8385b5c1dded1ea6f90c277b045778c7110a45db) )
/* for the banked region */
ROM_LOAD( "usg83-1.bin", 0x18000, 0x08000, CRC(7b520b6f) SHA1(2231e63fecc6e9026dd4b6ee3e21a74cc0e0ae44) )
ROM_LOAD( "usg83-2.bin", 0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) )
ROM_LOAD( "grom3.rom", 0x38000, 0x10000, CRC(4e110844) SHA1(b51c596a41760f1f0f70f49ae81f03d98a17fb6f) )
ROM_LOAD( "usg83-4.bin", 0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) )
ROM_END
/* Similar to 'usg83', but you can change the status of "Sexy Triv I" */
ROM_START( usg83x )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "usg83-0.bin", 0x08000, 0x08000, CRC(4ad9b6e0) SHA1(54940619511b37577bbcd9d05b941079ba793c72) )
/* for the banked region */
ROM_LOAD( "usg83-1.bin", 0x18000, 0x08000, CRC(7b520b6f) SHA1(2231e63fecc6e9026dd4b6ee3e21a74cc0e0ae44) )
ROM_LOAD( "usg83-2.bin", 0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) )
ROM_LOAD( "usg83-3.bin", 0x38000, 0x08000, CRC(41c475ac) SHA1(48019843e2f57bf4c2fca5136e3d0a64de3dfc04) )
ROM_LOAD( "usg83-4.bin", 0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) )
ROM_END
/* Similar to 'usg83', but "Sport Triv" and "Rush Hour" aren't available by default */
ROM_START( usg82 )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "rom0.rom", 0x08000, 0x08000, CRC(09c20b78) SHA1(8b622fef536e98e22866a15c6a5b5da583169e8c) )
/* for the banked region */
ROM_LOAD( "grom1.rom", 0x18000, 0x08000, CRC(915a9ff4) SHA1(5007210ed46a9cea530c18a8c4a67b07b87cb781) )
ROM_LOAD( "usg83-2.bin", 0x28000, 0x08000, CRC(29fbb23b) SHA1(6c2c17897e60ec8d4cdeaf9b382ef00ab71f6e0a) )
ROM_LOAD( "grom3.rom", 0x38000, 0x10000, CRC(4e110844) SHA1(b51c596a41760f1f0f70f49ae81f03d98a17fb6f) )
ROM_LOAD( "usg83-4.bin", 0x48000, 0x08000, CRC(437697c4) SHA1(d14ae6f0b7adfb921c69ae3fdcd2cb525cb731fa) )
ROM_END
/*
Games V18.2
US Games, 1989
A Trivia game by US Games.
The PCB looks _A LOT_ like a Williams Pinball PCB.
Perhaps they manufactured it?
PCB Layout
----------
|--------------------------------------------------|
| DS1225 6809 68B45 AY-3-8912 TDA2003|
| 18MHz |
| GROM0 |-|
| PAL ULN2805 |
| GROM1 6116 6116 2|
| 2|
| GROM2 W|
| A|
| GROM3 Y|
|LED |
|LED GROM4 |-|
| PAL 6116 |
|--------------------------------------------------|
*/
ROM_START( usg182 )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "grom0.u12", 0x08000, 0x08000, CRC(f5a053c1) SHA1(ae2740cd9af0af7a74a88720ebafd785bfc8614b) )
/* for the banked region */
ROM_LOAD( "grom4.u36", 0x10000, 0x10000, CRC(b104744d) SHA1(fa2128c39a135b119ef625eed447afa523f912c0) )
ROM_LOAD( "grom3.u35", 0x20000, 0x10000, CRC(795e71c8) SHA1(852dceab906f79d05da67a81f855c71738662430) )
ROM_LOAD( "grom2.u28", 0x30000, 0x10000, CRC(c6ba8a81) SHA1(e826492626707e30782d4d2f42419357970d67b3) )
ROM_LOAD( "grom1.u18", 0x48000, 0x08000, CRC(73bbc1c8) SHA1(9bb5067bf914b7c87a1ee29d6818de782fa28637) )
ROM_END
ROM_START( usg185 ) // an upgraded 182?
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "usg182.u12", 0x08000, 0x08000, CRC(2f4ed125) SHA1(6ea2ce263b8abe8d283d1c85d403ec908a422448) )
/* for the banked region */
ROM_LOAD( "usg185.u36", 0x10000, 0x10000, CRC(b104744d) SHA1(fa2128c39a135b119ef625eed447afa523f912c0) ) // ROM 4
ROM_LOAD( "usg185.u35", 0x20000, 0x10000, CRC(795e71c8) SHA1(852dceab906f79d05da67a81f855c71738662430) ) // ROM 3
ROM_LOAD( "usg185.u28", 0x30000, 0x10000, CRC(c6ba8a81) SHA1(e826492626707e30782d4d2f42419357970d67b3) ) // ROM 2
ROM_LOAD( "usg185.u18", 0x40000, 0x10000, CRC(1cfd934d) SHA1(544c41c5fcc2e576f5a8c88996f9257956f6c580) ) // ROM 1
ROM_END
ROM_START( usg252 )
ROM_REGION( 0x80000, REGION_CPU1, 0 )
ROM_LOAD( "usg252.u12", 0x08000, 0x08000, CRC(766a855a) SHA1(e67ca9944d92192de423de6aa8a60f2e28b17db1) )
/* for the banked region */
ROM_LOAD( "usg252.u28", 0x1c000, 0x04000, CRC(d44d2ffa) SHA1(8bd756418b4f8ad11cb0f2044fb91c63d7771497) ) // ROM 2
ROM_CONTINUE( 0x18000, 0x04000 )
ROM_CONTINUE( 0x14000, 0x04000 )
ROM_CONTINUE( 0x10000, 0x04000 )
ROM_LOAD( "usg252.u18", 0x2c000, 0x04000, CRC(2fff1da2) SHA1(c44718f7aab82f45379f21b68e8ee2668fe3a378) ) // ROM 1
ROM_CONTINUE( 0x28000, 0x04000 )
ROM_CONTINUE( 0x24000, 0x04000 )
ROM_CONTINUE( 0x20000, 0x04000 )
ROM_LOAD( "usg252.u36", 0x3c000, 0x04000, CRC(b6d007be) SHA1(ec2afe983fd925d9f4602f47ddadd117bcc74972) ) // ROM 4
ROM_CONTINUE( 0x38000, 0x04000 )
ROM_CONTINUE( 0x34000, 0x04000 )
ROM_CONTINUE( 0x30000, 0x04000 )
ROM_LOAD( "usg252.u35", 0x4c000, 0x04000, CRC(9542295b) SHA1(56dd7b8fd581779656cb71cc42dbb9f77fb303f4) ) // ROM 3
ROM_CONTINUE( 0x48000, 0x04000 )
ROM_CONTINUE( 0x44000, 0x04000 )
ROM_CONTINUE( 0x40000, 0x04000 )
ROM_END
GAME( 1987, usg32, 0, usg, usg32, 0, ROT0, "U.S. Games", "Super Duper Casino (California V3.2)", 0 )
GAME( 1988, usg83, 0, usg, usg83, 0, ROT0, "U.S. Games", "Super Ten V8.3", 0 )
GAME( 1988, usg83x, usg83, usg, usg83, 0, ROT0, "U.S. Games", "Super Ten V8.3X", 0 )
GAME( 1988, usg82, usg83, usg, usg83, 0, ROT0, "U.S. Games", "Super Ten V8.2" , 0) // "Feb.08,1988"
GAME( 1989, usg182, 0, usg185, usg83, 0, ROT0, "U.S. Games", "Games V18.2", 0 )
GAME( 1991, usg185, 0, usg185, usg83, 0, ROT0, "U.S. Games", "Games V18.7C", 0 )
GAME( 1992, usg252, 0, usg185, usg83, 0, ROT0, "U.S. Games", "Games V25.4X", 0 )