/**************************************************************************** Gottlieb Exterminator hardware driver by Zsolt Vasvari and Alex Pasadyn ***************************************************************************** Master CPU (TMS34010, all addresses are in bits) ------00 0---xxxx xxxxxxxx xxxxxxxx = Background VRAM ------00 1-xxxxxx xxxxxxxx xxxxxxxx = Master GSP DRAM ------01 000000-- -------- ----xxxx = Slave HSTADRL ------01 000100-- -------- ----xxxx = Slave HSTADRH ------01 001000-- -------- ----xxxx = Slave HSTDATA ------01 001100-- -------- ----xxxx = Slave HSTCTL ------01 010000-- -------- ----xxxx = IP0S ------01 010001-- -------- ----xxxx = IP1S ------01 010010-- -------- ----xxxx = IP2S ------01 010100-- -------- ----xxxx = OP0S ------01 010110-- -------- ----xxxx = SOUND ------01 010111-- -------- ----xxxx = WDOG ------01 1------- -xxxxxxx xxxxxxxx = CLUT ------10 1------- -xxxxxxx xxxxxxxx = EEPROM ------11 xxxxxxxx xxxxxxxx xxxxxxxx = EPROM -------------------------------------------------------------------- Slave CPU (TMS34010, all addresses are in bits) -----0-- ----xxxx xxxxxxxx xxxxxxxx = Foreground VRAM -----1-- -0xxxxxx xxxxxxxx xxxxxxxx = Slave DRAM bank 1 -----1-- -1xxxxxx xxxxxxxx xxxxxxxx = Slave DRAM bank 0 -------------------------------------------------------------------- Master sound CPU (6502) 000--xxx xxxxxxxx = RAM 010----- -------- = YM2151 data write 01100--- -------- = set NMI down counter 01101--- -------- = read input latch and clear IRQ 01110--- -------- = send NMI to slave sound CPU 01111--- -------- = connected to S4-13 (unknown) 101----- -------- = sound control register D7 = to S4-15 D6 = to S4-12 D5 = to S4-11 D1 = to LED D0 = enable NMI timer 1xxxxxxx xxxxxxxx = ROM -------------------------------------------------------------------- Slave sound CPU (6502) 00---xxx xxxxxxxx = RAM 01------ -------- = read input latch and clear IRQ 10------ -------x = DAC write 1xxxxxxx xxxxxxxx = ROM ****************************************************************************/ #include "emu.h" #include "cpu/tms34010/tms34010.h" #include "cpu/m6502/m6502.h" #include "sound/dac.h" #include "sound/2151intf.h" #include "machine/nvram.h" #include "includes/exterm.h" /************************************* * * Master/slave communications * *************************************/ static WRITE16_HANDLER( exterm_host_data_w ) { tms34010_host_w(space->machine().device("slave"), offset / TOWORD(0x00100000), data); } static READ16_HANDLER( exterm_host_data_r ) { return tms34010_host_r(space->machine().device("slave"), offset / TOWORD(0x00100000)); } /************************************* * * Input port handlers * *************************************/ static UINT16 exterm_trackball_port_r(address_space *space, int which, UINT16 mem_mask) { exterm_state *state = space->machine().driver_data(); UINT16 port; /* Read the fake input port */ UINT8 trackball_pos = input_port_read(space->machine(), which ? "DIAL1" : "DIAL0"); /* Calculate the change from the last position. */ UINT8 trackball_diff = state->m_trackball_old[which] - trackball_pos; /* Store the new position for the next comparision. */ state->m_trackball_old[which] = trackball_pos; /* Move the sign bit to the high bit of the 6-bit trackball count. */ if (trackball_diff & 0x80) trackball_diff |= 0x20; /* Keep adding the changes. The counters will be reset later by a hardware write. */ state->m_aimpos[which] = (state->m_aimpos[which] + trackball_diff) & 0x3f; /* Combine it with the standard input bits */ port = which ? input_port_read(space->machine(), "P2") : input_port_read(space->machine(), "P1"); return (port & 0xc0ff) | (state->m_aimpos[which] << 8); } static READ16_HANDLER( exterm_input_port_0_r ) { return exterm_trackball_port_r(space, 0, mem_mask); } static READ16_HANDLER( exterm_input_port_1_r ) { return exterm_trackball_port_r(space, 1, mem_mask); } /************************************* * * Output port handlers * *************************************/ static WRITE16_HANDLER( exterm_output_port_0_w ) { exterm_state *state = space->machine().driver_data(); /* All the outputs are activated on the rising edge */ if (ACCESSING_BITS_0_7) { /* Bit 0-1= Resets analog controls */ if ((data & 0x0001) && !(state->m_last & 0x0001)) state->m_aimpos[0] = 0; if ((data & 0x0002) && !(state->m_last & 0x0002)) state->m_aimpos[1] = 0; } if (ACCESSING_BITS_8_15) { /* Bit 13 = Resets the slave CPU */ if ((data & 0x2000) && !(state->m_last & 0x2000)) cputag_set_input_line(space->machine(), "slave", INPUT_LINE_RESET, PULSE_LINE); /* Bits 14-15 = Coin counters */ coin_counter_w(space->machine(), 0, data & 0x8000); coin_counter_w(space->machine(), 1, data & 0x4000); } COMBINE_DATA(&state->m_last); } static TIMER_CALLBACK( sound_delayed_w ) { exterm_state *state = machine.driver_data(); /* data is latched independently for both sound CPUs */ state->m_master_sound_latch = state->m_slave_sound_latch = param; cputag_set_input_line(machine, "audiocpu", M6502_IRQ_LINE, ASSERT_LINE); cputag_set_input_line(machine, "audioslave", M6502_IRQ_LINE, ASSERT_LINE); } static WRITE16_HANDLER( sound_latch_w ) { if (ACCESSING_BITS_0_7) space->machine().scheduler().synchronize(FUNC(sound_delayed_w), data & 0xff); } /************************************* * * Sound handlers * *************************************/ static TIMER_DEVICE_CALLBACK( master_sound_nmi_callback ) { exterm_state *state = timer.machine().driver_data(); /* bit 0 of the sound control determines if the NMI is actually delivered */ if (state->m_sound_control & 0x01) cputag_set_input_line(timer.machine(), "audiocpu", INPUT_LINE_NMI, PULSE_LINE); } static WRITE8_DEVICE_HANDLER( ym2151_data_latch_w ) { exterm_state *state = device->machine().driver_data(); /* bit 7 of the sound control selects which port */ ym2151_w(device, state->m_sound_control >> 7, data); } static WRITE8_HANDLER( sound_nmi_rate_w ) { /* rate is controlled by the value written here */ /* this value is latched into up-counters, which are clocked at the */ /* input clock / 256 */ attotime nmi_rate = attotime::from_hz(4000000) * (4096 * (256 - data)); timer_device *nmi_timer = space->machine().device("snd_nmi_timer"); nmi_timer->adjust(nmi_rate, 0, nmi_rate); } static READ8_HANDLER( sound_master_latch_r ) { exterm_state *state = space->machine().driver_data(); /* read latch and clear interrupt */ cputag_set_input_line(space->machine(), "audiocpu", M6502_IRQ_LINE, CLEAR_LINE); return state->m_master_sound_latch; } static READ8_HANDLER( sound_slave_latch_r ) { exterm_state *state = space->machine().driver_data(); /* read latch and clear interrupt */ cputag_set_input_line(space->machine(), "audioslave", M6502_IRQ_LINE, CLEAR_LINE); return state->m_slave_sound_latch; } static WRITE8_DEVICE_HANDLER( sound_slave_dac_w ) { exterm_state *state = device->machine().driver_data(); /* DAC A is used to modulate DAC B */ state->m_dac_value[offset & 1] = data; dac_data_16_w(device, (state->m_dac_value[0] ^ 0xff) * state->m_dac_value[1]); } static READ8_HANDLER( sound_nmi_to_slave_r ) { /* a read from here triggers an NMI pulse to the slave */ cputag_set_input_line(space->machine(), "audioslave", INPUT_LINE_NMI, PULSE_LINE); return 0xff; } static WRITE8_HANDLER( sound_control_w ) { exterm_state *state = space->machine().driver_data(); /* D7 = to S4-15 D6 = to S4-12 D5 = to S4-11 D1 = to LED D0 = enable NMI timer */ state->m_sound_control = data; } /************************************* * * Master/slave memory maps * *************************************/ static ADDRESS_MAP_START( master_map, AS_PROGRAM, 16 ) AM_RANGE(0xc0000000, 0xc00001ff) AM_READWRITE(tms34010_io_register_r, tms34010_io_register_w) AM_RANGE(0x00000000, 0x000fffff) AM_MIRROR(0xfc700000) AM_RAM AM_BASE_MEMBER(exterm_state, m_master_videoram) AM_RANGE(0x00800000, 0x00bfffff) AM_MIRROR(0xfc400000) AM_RAM AM_RANGE(0x01000000, 0x013fffff) AM_MIRROR(0xfc000000) AM_READWRITE(exterm_host_data_r, exterm_host_data_w) AM_RANGE(0x01400000, 0x0143ffff) AM_MIRROR(0xfc000000) AM_READ(exterm_input_port_0_r) AM_RANGE(0x01440000, 0x0147ffff) AM_MIRROR(0xfc000000) AM_READ(exterm_input_port_1_r) AM_RANGE(0x01480000, 0x014bffff) AM_MIRROR(0xfc000000) AM_READ_PORT("DSW") AM_RANGE(0x01500000, 0x0153ffff) AM_MIRROR(0xfc000000) AM_WRITE(exterm_output_port_0_w) AM_RANGE(0x01580000, 0x015bffff) AM_MIRROR(0xfc000000) AM_WRITE(sound_latch_w) AM_RANGE(0x015c0000, 0x015fffff) AM_MIRROR(0xfc000000) AM_WRITE(watchdog_reset16_w) AM_RANGE(0x01800000, 0x01807fff) AM_MIRROR(0xfc7f8000) AM_RAM_WRITE(paletteram16_xRRRRRGGGGGBBBBB_word_w) AM_BASE_GENERIC(paletteram) AM_RANGE(0x02800000, 0x02807fff) AM_MIRROR(0xfc7f8000) AM_RAM AM_SHARE("nvram") AM_RANGE(0x03000000, 0x03ffffff) AM_MIRROR(0xfc000000) AM_ROM AM_REGION("user1", 0) ADDRESS_MAP_END static ADDRESS_MAP_START( slave_map, AS_PROGRAM, 16 ) AM_RANGE(0xc0000000, 0xc00001ff) AM_READWRITE(tms34010_io_register_r, tms34010_io_register_w) AM_RANGE(0x00000000, 0x000fffff) AM_MIRROR(0xfbf00000) AM_RAM AM_BASE_MEMBER(exterm_state, m_slave_videoram) AM_RANGE(0x04000000, 0x047fffff) AM_MIRROR(0xfb800000) AM_RAM ADDRESS_MAP_END /************************************* * * Audio memory maps * *************************************/ static ADDRESS_MAP_START( sound_master_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x07ff) AM_MIRROR(0x1800) AM_RAM AM_RANGE(0x4000, 0x5fff) AM_DEVWRITE("ymsnd", ym2151_data_latch_w) AM_RANGE(0x6000, 0x67ff) AM_WRITE(sound_nmi_rate_w) AM_RANGE(0x6800, 0x6fff) AM_READ(sound_master_latch_r) AM_RANGE(0x7000, 0x77ff) AM_READ(sound_nmi_to_slave_r) /* AM_RANGE(0x7800, 0x7fff) unknown - to S4-13 */ AM_RANGE(0xa000, 0xbfff) AM_WRITE(sound_control_w) AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( sound_slave_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x07ff) AM_MIRROR(0x3800) AM_RAM AM_RANGE(0x4000, 0x5fff) AM_READ(sound_slave_latch_r) AM_RANGE(0x8000, 0xbfff) AM_DEVWRITE("dac", sound_slave_dac_w) AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END /************************************* * * Input ports * *************************************/ static INPUT_PORTS_START( exterm ) PORT_START("P1") PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x3f00, IP_ACTIVE_LOW, IPT_SPECIAL) /* trackball data */ PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_SERVICE( 0x8000, IP_ACTIVE_LOW ) PORT_START("P2") PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x3f00, IP_ACTIVE_LOW, IPT_SPECIAL) /* trackball data */ PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DSW") PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unused ) ) /* According to the test screen */ PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) /* Note that the coin settings don't match the setting shown on the test screen, but instead what the game appears to used. This is either a bug in the game, or I don't know what else. */ PORT_DIPNAME( 0x0006, 0x0006, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x0006, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0002, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0004, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_4C ) ) PORT_DIPNAME( 0x0038, 0x0038, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x0038, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0018, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0028, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0008, DEF_STR( 1C_4C ) ) PORT_DIPSETTING( 0x0030, DEF_STR( 1C_5C ) ) PORT_DIPSETTING( 0x0010, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x0020, DEF_STR( 1C_7C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 1C_8C ) ) PORT_DIPNAME( 0x0040, 0x0040, "Memory Test" ) PORT_DIPSETTING( 0x0040, "Once" ) PORT_DIPSETTING( 0x0000, "Continuous" ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Free_Play ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("DIAL0") /* Fake trackball input port */ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(1) PORT_CODE_DEC(KEYCODE_Z) PORT_CODE_INC(KEYCODE_X) PORT_START("DIAL1") /* Fake trackball input port. */ PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(50) PORT_KEYDELTA(10) PORT_REVERSE PORT_PLAYER(2) PORT_CODE_DEC(KEYCODE_N) PORT_CODE_INC(KEYCODE_M) INPUT_PORTS_END /************************************* * * 34010 configurations * *************************************/ static const tms34010_config master_config = { FALSE, /* halt on reset */ "screen", /* the screen operated on */ 40000000/8, /* pixel clock */ 1, /* pixels per clock */ exterm_scanline_update, /* scanline updater */ NULL, /* generate interrupt */ exterm_to_shiftreg_master, /* write to shiftreg function */ exterm_from_shiftreg_master /* read from shiftreg function */ }; static const tms34010_config slave_config = { TRUE, /* halt on reset */ "screen", /* the screen operated on */ 40000000/8, /* pixel clock */ 1, /* pixels per clock */ NULL, /* scanline updater */ NULL, /* generate interrupt */ exterm_to_shiftreg_slave, /* write to shiftreg function */ exterm_from_shiftreg_slave /* read from shiftreg function */ }; /************************************* * * Machine drivers * *************************************/ static MACHINE_CONFIG_START( exterm, exterm_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", TMS34010, 40000000) MCFG_CPU_CONFIG(master_config) MCFG_CPU_PROGRAM_MAP(master_map) MCFG_CPU_ADD("slave", TMS34010, 40000000) MCFG_CPU_CONFIG(slave_config) MCFG_CPU_PROGRAM_MAP(slave_map) MCFG_CPU_ADD("audiocpu", M6502, 2000000) MCFG_CPU_PROGRAM_MAP(sound_master_map) MCFG_CPU_ADD("audioslave", M6502, 2000000) MCFG_CPU_PROGRAM_MAP(sound_slave_map) MCFG_QUANTUM_TIME(attotime::from_hz(6000)) MCFG_NVRAM_ADD_0FILL("nvram") MCFG_TIMER_ADD("snd_nmi_timer", master_sound_nmi_callback) /* video hardware */ MCFG_PALETTE_LENGTH(2048+32768) MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_RAW_PARAMS(40000000/8, 318, 0, 256, 264, 0, 240) MCFG_SCREEN_UPDATE(tms340x0) MCFG_PALETTE_INIT(exterm) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("dac", DAC, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MCFG_SOUND_ADD("ymsnd", YM2151, 4000000) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( exterm ) ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for YM2151 code */ ROM_LOAD( "v101y1", 0x8000, 0x8000, CRC(cbeaa837) SHA1(87d8a258f059512dbf9bc0e7cfff728ef9e616f1) ) ROM_REGION( 0x10000, "audioslave", 0 ) /* 64k for DAC code */ ROM_LOAD( "v101d1", 0x8000, 0x8000, CRC(83268b7d) SHA1(a9139e80e2382122e9919c0555937e120d4414cf) ) ROM_REGION16_LE( 0x200000, "user1", 0 ) /* 2MB for 34010 code */ ROM_LOAD16_BYTE( "v101bg0", 0x000000, 0x10000, CRC(8c8e72cf) SHA1(5e0fa805334f54f7e0293ea400bacb0e3e79ed56) ) ROM_LOAD16_BYTE( "v101bg1", 0x000001, 0x10000, CRC(cc2da0d8) SHA1(4ac23048d3ca771e315388603ad3b1b25030d6ff) ) ROM_LOAD16_BYTE( "v101bg2", 0x020000, 0x10000, CRC(2dcb3653) SHA1(2d74b58b02ae0587e3789d69feece268f582f226) ) ROM_LOAD16_BYTE( "v101bg3", 0x020001, 0x10000, CRC(4aedbba0) SHA1(73b7e4864b1e71103229edd3cae268ab91144ef2) ) ROM_LOAD16_BYTE( "v101bg4", 0x040000, 0x10000, CRC(576922d4) SHA1(c8cdfb0727c9f1f6e2d2008611372f386fd35fc4) ) ROM_LOAD16_BYTE( "v101bg5", 0x040001, 0x10000, CRC(a54a4bc2) SHA1(e0f3648454cafeee1f3f58af03489d3256f66965) ) ROM_LOAD16_BYTE( "v101bg6", 0x060000, 0x10000, CRC(7584a676) SHA1(c9bc651f90ab752f73e735cb80e5bb109e2cac5f) ) ROM_LOAD16_BYTE( "v101bg7", 0x060001, 0x10000, CRC(a4f24ff6) SHA1(adabbe1c93beb4fcc6fa2f13e687a866fb54fbdb) ) ROM_LOAD16_BYTE( "v101bg8", 0x080000, 0x10000, CRC(fda165d6) SHA1(901bdede00a936c0160d9fea8a2975ff893e52d0) ) ROM_LOAD16_BYTE( "v101bg9", 0x080001, 0x10000, CRC(e112a4c4) SHA1(8938d6857b3c5cd3f5560496e087e3b3ff3dab81) ) ROM_LOAD16_BYTE( "v101bg10", 0x0a0000, 0x10000, CRC(f1a5cf54) SHA1(749531036a1100e092b7edfba14097d5aaab26aa) ) ROM_LOAD16_BYTE( "v101bg11", 0x0a0001, 0x10000, CRC(8677e754) SHA1(dd8135de8819096150914798ab37a17ae396af32) ) ROM_LOAD16_BYTE( "v101fg0", 0x180000, 0x10000, CRC(38230d7d) SHA1(edd575192c0376183c415c61a3c3f19555522549) ) ROM_LOAD16_BYTE( "v101fg1", 0x180001, 0x10000, CRC(22a2bd61) SHA1(59ed479b8ae8328014be4e2a5575d00105fd83f3) ) ROM_LOAD16_BYTE( "v101fg2", 0x1a0000, 0x10000, CRC(9420e718) SHA1(1fd9784d40e496ebc4772baff472eb25b5106725) ) ROM_LOAD16_BYTE( "v101fg3", 0x1a0001, 0x10000, CRC(84992aa2) SHA1(7dce2bef695c2a9b5a03d217bbff8fbece459a92) ) ROM_LOAD16_BYTE( "v101fg4", 0x1c0000, 0x10000, CRC(38da606b) SHA1(59479ff99b1748ddc36de32b368dd38cb2965868) ) ROM_LOAD16_BYTE( "v101fg5", 0x1c0001, 0x10000, CRC(842de63a) SHA1(0b292a8b7f4b86a2d3bd6b5b7ec0287e2bf88263) ) ROM_LOAD16_BYTE( "v101p0", 0x1e0000, 0x10000, CRC(6c8ee79a) SHA1(aa051e33e3ed6eed475a37e5dae1be0ac6471b12) ) ROM_LOAD16_BYTE( "v101p1", 0x1e0001, 0x10000, CRC(557bfc84) SHA1(8d0f1b40adbf851a85f626663956f3726ca8026d) ) ROM_END /************************************* * * Game drivers * *************************************/ GAME( 1989, exterm, 0, exterm, exterm, 0, ROT0, "Gottlieb / Premier Technology", "Exterminator", 0 )