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aliens.c
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C/C++ Source or Header
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2000-04-04
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18KB
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499 lines
/***************************************************************************
Aliens (c) 1990 Konami Co. Ltd
Preliminary driver by:
Manuel Abadia <manu@teleline.es>
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/konami/konami.h" /* for the callback and the firq irq definition */
#include "vidhrdw/konamiic.h"
/* prototypes */
static void aliens_init_machine( void );
static void aliens_banking( int lines );
void aliens_vh_stop( void );
int aliens_vh_start( void );
void aliens_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static int palette_selected;
static unsigned char *ram;
static int aliens_interrupt( void )
{
if (K051960_is_IRQ_enabled()) return interrupt();
else return ignore_interrupt();
}
static READ_HANDLER( bankedram_r )
{
if (palette_selected)
return paletteram_r(offset);
else
return ram[offset];
}
static WRITE_HANDLER( bankedram_w )
{
if (palette_selected)
paletteram_xBBBBBGGGGGRRRRR_swap_w(offset,data);
else
ram[offset] = data;
}
static WRITE_HANDLER( aliens_coin_counter_w )
{
/* bits 0-1 = coin counters */
coin_counter_w(0,data & 0x01);
coin_counter_w(1,data & 0x02);
/* bit 5 = select work RAM or palette */
palette_selected = data & 0x20;
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x40) ? ASSERT_LINE : CLEAR_LINE);
/* other bits unknown */
#if 0
{
char baf[40];
sprintf(baf,"%02x",data);
usrintf_showmessage(baf);
}
#endif
}
WRITE_HANDLER( aliens_sh_irqtrigger_w )
{
soundlatch_w(offset,data);
cpu_cause_interrupt(1,0xff);
}
static WRITE_HANDLER( aliens_snd_bankswitch_w )
{
unsigned char *RAM = memory_region(REGION_SOUND1);
/* b1: bank for chanel A */
/* b0: bank for chanel B */
int bank_A = 0x20000*((data >> 1) & 0x01);
int bank_B = 0x20000*((data) & 0x01);
K007232_bankswitch(0,RAM + bank_A,RAM + bank_B);
}
static struct MemoryReadAddress aliens_readmem[] =
{
{ 0x0000, 0x03ff, bankedram_r }, /* palette + work RAM */
{ 0x0400, 0x1fff, MRA_RAM },
{ 0x2000, 0x3fff, MRA_BANK1 }, /* banked ROM */
{ 0x5f80, 0x5f80, input_port_2_r }, /* DIPSW #3 */
{ 0x5f81, 0x5f81, input_port_3_r }, /* Player 1 inputs */
{ 0x5f82, 0x5f82, input_port_4_r }, /* Player 2 inputs */
{ 0x5f83, 0x5f83, input_port_1_r }, /* DIPSW #2 */
{ 0x5f84, 0x5f84, input_port_0_r }, /* DIPSW #1 */
{ 0x5f88, 0x5f88, watchdog_reset_r },
{ 0x4000, 0x7fff, K052109_051960_r },
{ 0x8000, 0xffff, MRA_ROM }, /* ROM e24_j02.bin */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress aliens_writemem[] =
{
{ 0x0000, 0x03ff, bankedram_w, &ram }, /* palette + work RAM */
{ 0x0400, 0x1fff, MWA_RAM },
{ 0x2000, 0x3fff, MWA_ROM }, /* banked ROM */
{ 0x5f88, 0x5f88, aliens_coin_counter_w }, /* coin counters */
{ 0x5f8c, 0x5f8c, aliens_sh_irqtrigger_w }, /* cause interrupt on audio CPU */
{ 0x4000, 0x7fff, K052109_051960_w },
{ 0x8000, 0xffff, MWA_ROM }, /* ROM e24_j02.bin */
{ -1 } /* end of table */
};
static struct MemoryReadAddress aliens_readmem_sound[] =
{
{ 0x0000, 0x7fff, MRA_ROM }, /* ROM g04_b03.bin */
{ 0x8000, 0x87ff, MRA_RAM }, /* RAM */
{ 0xa001, 0xa001, YM2151_status_port_0_r },
{ 0xc000, 0xc000, soundlatch_r }, /* soundlatch_r */
{ 0xe000, 0xe00d, K007232_read_port_0_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress aliens_writemem_sound[] =
{
{ 0x0000, 0x7fff, MWA_ROM }, /* ROM g04_b03.bin */
{ 0x8000, 0x87ff, MWA_RAM }, /* RAM */
{ 0xa000, 0xa000, YM2151_register_port_0_w },
{ 0xa001, 0xa001, YM2151_data_port_0_w },
{ 0xe000, 0xe00d, K007232_write_port_0_w },
{ -1 } /* end of table */
};
/***************************************************************************
Input Ports
***************************************************************************/
INPUT_PORTS_START( aliens )
PORT_START /* DSW #1 */
PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
// PORT_DIPSETTING( 0x00, "Invalid" )
PORT_START /* DSW #2 */
PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x03, "1" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x01, "3" )
PORT_DIPSETTING( 0x00, "5" )
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( 0x60, 0x40, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x60, "Easy" )
PORT_DIPSETTING( 0x40, "Normal" )
PORT_DIPSETTING( 0x20, "Difficult" )
PORT_DIPSETTING( 0x00, "Very Difficult" )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START /* DSW #3 */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) )
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_SERVICE( 0x04, IP_ACTIVE_LOW )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* PLAYER 1 INPUTS */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
PORT_START /* PLAYER 2 INPUTS */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
INPUT_PORTS_END
/***************************************************************************
Machine Driver
***************************************************************************/
static void volume_callback(int v)
{
K007232_set_volume(0,0,(v & 0x0f) * 0x11,0);
K007232_set_volume(0,1,0,(v >> 4) * 0x11);
}
static struct K007232_interface k007232_interface =
{
1, /* number of chips */
{ REGION_SOUND1 }, /* memory regions */
{ K007232_VOL(20,MIXER_PAN_CENTER,20,MIXER_PAN_CENTER) }, /* volume */
{ volume_callback } /* external port callback */
};
static struct YM2151interface ym2151_interface =
{
1, /* 1 chip */
3579545, /* 3.579545 MHz */
{ YM3012_VOL(60,MIXER_PAN_LEFT,60,MIXER_PAN_RIGHT) },
{ 0 },
{ aliens_snd_bankswitch_w }
};
static struct MachineDriver machine_driver_aliens =
{
/* basic machine hardware */
{
{
CPU_KONAMI,
3000000, /* ? */
aliens_readmem,aliens_writemem,0,0,
aliens_interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3579545, /* ? */
aliens_readmem_sound, aliens_writemem_sound,0,0,
ignore_interrupt,0 /* interrupts are triggered by the main CPU */
}
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* 1 CPU slice per frame - interleaving is forced when a sound command is written */
aliens_init_machine,
/* video hardware */
64*8, 32*8, { 14*8, (64-14)*8-1, 2*8, 30*8-1 },
0, /* gfx decoded by konamiic.c */
512, 512,
0,
VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
0,
aliens_vh_start,
aliens_vh_stop,
aliens_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_YM2151,
&ym2151_interface
},
{
SOUND_K007232,
&k007232_interface
}
}
};
/***************************************************************************
Game ROMs
***************************************************************************/
ROM_START( aliens )
ROM_REGION( 0x38000, REGION_CPU1 ) /* code + banked roms */
ROM_LOAD( "e24_j02.bin", 0x10000, 0x08000, 0x56c20971 )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_LOAD( "c24_j01.bin", 0x18000, 0x20000, 0x6a529cd6 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "g04_b03.bin", 0x00000, 0x08000, 0x1ac4d283 )
ROM_REGION( 0x200000, REGION_GFX1 ) /* graphics */
ROM_LOAD( "k13_b11.bin", 0x000000, 0x80000, 0x89c5c885 ) /* characters (set 1) */
ROM_LOAD( "j13_b07.bin", 0x080000, 0x40000, 0xe9c56d66 ) /* characters (set 2) */
/* second half empty */
ROM_LOAD( "k19_b12.bin", 0x100000, 0x80000, 0xea6bdc17 ) /* characters (set 1) */
ROM_LOAD( "j19_b08.bin", 0x180000, 0x40000, 0xf9387966 ) /* characters (set 2) */
/* second half empty */
ROM_REGION( 0x200000, REGION_GFX2 ) /* graphics */
ROM_LOAD( "k08_b10.bin", 0x000000, 0x80000, 0x0b1035b1 ) /* sprites (set 1) */
ROM_LOAD( "j08_b06.bin", 0x080000, 0x40000, 0x081a0566 ) /* sprites (set 2) */
/* second half empty */
ROM_LOAD( "k02_b09.bin", 0x100000, 0x80000, 0xe76b3c19 ) /* sprites (set 1) */
ROM_LOAD( "j02_b05.bin", 0x180000, 0x40000, 0x19a261f2 ) /* sprites (set 2) */
/* second half empty */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "821a08.h14", 0x0000, 0x0100, 0x7da55800 ) /* priority encoder (not used) */
ROM_REGION( 0x40000, REGION_SOUND1 ) /* samples for 007232 */
ROM_LOAD( "875b04.bin", 0x00000, 0x40000, 0x4e209ac8 )
ROM_END
ROM_START( aliens2 )
ROM_REGION( 0x38000, REGION_CPU1 ) /* code + banked roms */
ROM_LOAD( "e24_p02.bin", 0x10000, 0x08000, 0x4edd707d )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_LOAD( "c24_n01.bin", 0x18000, 0x20000, 0x106cf59c )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "g04_b03.bin", 0x00000, 0x08000, 0x1ac4d283 )
ROM_REGION( 0x200000, REGION_GFX1 ) /* graphics */
ROM_LOAD( "k13_b11.bin", 0x000000, 0x80000, 0x89c5c885 ) /* characters (set 1) */
ROM_LOAD( "j13_b07.bin", 0x080000, 0x40000, 0xe9c56d66 ) /* characters (set 2) */
/* second half empty */
ROM_LOAD( "k19_b12.bin", 0x100000, 0x80000, 0xea6bdc17 ) /* characters (set 1) */
ROM_LOAD( "j19_b08.bin", 0x180000, 0x40000, 0xf9387966 ) /* characters (set 2) */
/* second half empty */
ROM_REGION( 0x200000, REGION_GFX2 ) /* graphics */
ROM_LOAD( "k08_b10.bin", 0x000000, 0x80000, 0x0b1035b1 ) /* sprites (set 1) */
ROM_LOAD( "j08_b06.bin", 0x080000, 0x40000, 0x081a0566 ) /* sprites (set 2) */
/* second half empty */
ROM_LOAD( "k02_b09.bin", 0x100000, 0x80000, 0xe76b3c19 ) /* sprites (set 1) */
ROM_LOAD( "j02_b05.bin", 0x180000, 0x40000, 0x19a261f2 ) /* sprites (set 2) */
/* second half empty */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "821a08.h14", 0x0000, 0x0100, 0x7da55800 ) /* priority encoder (not used) */
ROM_REGION( 0x40000, REGION_SOUND1 ) /* samples for 007232 */
ROM_LOAD( "875b04.bin", 0x00000, 0x40000, 0x4e209ac8 )
ROM_END
ROM_START( aliensu )
ROM_REGION( 0x38000, REGION_CPU1 ) /* code + banked roms */
ROM_LOAD( "e24_n02.bin", 0x10000, 0x08000, 0x24dd612e )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_LOAD( "c24_n01.bin", 0x18000, 0x20000, 0x106cf59c )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "g04_b03.bin", 0x00000, 0x08000, 0x1ac4d283 )
ROM_REGION( 0x200000, REGION_GFX1 ) /* graphics */
ROM_LOAD( "k13_b11.bin", 0x000000, 0x80000, 0x89c5c885 ) /* characters (set 1) */
ROM_LOAD( "j13_b07.bin", 0x080000, 0x40000, 0xe9c56d66 ) /* characters (set 2) */
/* second half empty */
ROM_LOAD( "k19_b12.bin", 0x100000, 0x80000, 0xea6bdc17 ) /* characters (set 1) */
ROM_LOAD( "j19_b08.bin", 0x180000, 0x40000, 0xf9387966 ) /* characters (set 2) */
/* second half empty */
ROM_REGION( 0x200000, REGION_GFX2 ) /* graphics */
ROM_LOAD( "k08_b10.bin", 0x000000, 0x80000, 0x0b1035b1 ) /* sprites (set 1) */
ROM_LOAD( "j08_b06.bin", 0x080000, 0x40000, 0x081a0566 ) /* sprites (set 2) */
/* second half empty */
ROM_LOAD( "k02_b09.bin", 0x100000, 0x80000, 0xe76b3c19 ) /* sprites (set 1) */
ROM_LOAD( "j02_b05.bin", 0x180000, 0x40000, 0x19a261f2 ) /* sprites (set 2) */
/* second half empty */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "821a08.h14", 0x0000, 0x0100, 0x7da55800 ) /* priority encoder (not used) */
ROM_REGION( 0x40000, REGION_SOUND1 ) /* samples for 007232 */
ROM_LOAD( "875b04.bin", 0x00000, 0x40000, 0x4e209ac8 )
ROM_END
ROM_START( aliensj )
ROM_REGION( 0x38000, REGION_CPU1 ) /* code + banked roms */
ROM_LOAD( "875m02.e24", 0x10000, 0x08000, 0x54a774e5 )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_LOAD( "875m01.c24", 0x18000, 0x20000, 0x1663d3dc )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "875k03.g4", 0x00000, 0x08000, 0xbd86264d )
ROM_REGION( 0x200000, REGION_GFX1 ) /* graphics */
ROM_LOAD( "k13_b11.bin", 0x000000, 0x80000, 0x89c5c885 ) /* characters (set 1) */
ROM_LOAD( "j13_b07.bin", 0x080000, 0x40000, 0xe9c56d66 ) /* characters (set 2) */
/* second half empty */
ROM_LOAD( "k19_b12.bin", 0x100000, 0x80000, 0xea6bdc17 ) /* characters (set 1) */
ROM_LOAD( "j19_b08.bin", 0x180000, 0x40000, 0xf9387966 ) /* characters (set 2) */
/* second half empty */
ROM_REGION( 0x200000, REGION_GFX2 ) /* graphics */
ROM_LOAD( "k08_b10.bin", 0x000000, 0x80000, 0x0b1035b1 ) /* sprites (set 1) */
ROM_LOAD( "j08_b06.bin", 0x080000, 0x40000, 0x081a0566 ) /* sprites (set 2) */
/* second half empty */
ROM_LOAD( "k02_b09.bin", 0x100000, 0x80000, 0xe76b3c19 ) /* sprites (set 1) */
ROM_LOAD( "j02_b05.bin", 0x180000, 0x40000, 0x19a261f2 ) /* sprites (set 2) */
/* second half empty */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "821a08.h14", 0x0000, 0x0100, 0x7da55800 ) /* priority encoder (not used) */
ROM_REGION( 0x40000, REGION_SOUND1 ) /* samples for 007232 */
ROM_LOAD( "875b04.bin", 0x00000, 0x40000, 0x4e209ac8 )
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static void aliens_banking( int lines )
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs = 0x18000;
if (lines & 0x10) offs -= 0x8000;
offs += (lines & 0x0f)*0x2000;
cpu_setbank( 1, &RAM[offs] );
}
static void aliens_init_machine( void )
{
unsigned char *RAM = memory_region(REGION_CPU1);
konami_cpu_setlines_callback = aliens_banking;
/* init the default bank */
cpu_setbank( 1, &RAM[0x10000] );
}
static void init_aliens(void)
{
konami_rom_deinterleave_2(REGION_GFX1);
konami_rom_deinterleave_2(REGION_GFX2);
}
GAME( 1990, aliens, 0, aliens, aliens, aliens, ROT0, "Konami", "Aliens (World set 1)" )
GAME( 1990, aliens2, aliens, aliens, aliens, aliens, ROT0, "Konami", "Aliens (World set 2)" )
GAME( 1990, aliensu, aliens, aliens, aliens, aliens, ROT0, "Konami", "Aliens (US)" )
GAME( 1990, aliensj, aliens, aliens, aliens, aliens, ROT0, "Konami", "Aliens (Japan)" )