/*******************************************************************************

    Pro Soccer                      (c) 1983 Data East Corporation
    Pro Sport                       (c) 1983 Data East Corporation
    Boomer Rang'R / Genesis         (c) 1983 Data East Corporation
    Kamikaze Cabbie / Yellow Cab    (c) 1984 Data East Corporation
    Liberation                      (c) 1984 Data East Corporation

    Liberation was available on two pcbs - a dedicated twin pcb set and
    a version on the Genesis/Yellow Cab pcb that had an extra cpu pcb attached
    for the different protection.  The program is the same on both versions.

    Emulation by Bryan McPhail, mish@tendril.co.uk

*******************************************************************************/

#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/m6502/m6502.h"
#include "sound/ay8910.h"

PALETTE_INIT( liberate );
VIDEO_UPDATE( prosoccr );
VIDEO_UPDATE( prosport );
VIDEO_UPDATE( liberate );
VIDEO_UPDATE( boomrang );
VIDEO_START( prosoccr );
VIDEO_START( prosport );
VIDEO_START( boomrang );
VIDEO_START( liberate );

static int deco16_bank;
static data8_t *scratchram;

WRITE8_HANDLER( deco16_io_w );
WRITE8_HANDLER( prosport_paletteram_w );
WRITE8_HANDLER( liberate_videoram_w );

/***************************************************************************/

static READ8_HANDLER( deco16_bank_r )
{
	const data8_t *ROM = memory_region(REGION_USER1);

	/* The tilemap bank can be swapped into main memory */
	if (deco16_bank)
		return ROM[offset];

	/* Else the handler falls through to read the usual address */
	if (offset<0x800) return videoram[offset];
	if (offset<0x1000) return spriteram[offset-0x800];
	if (offset<0x2200) { logerror("%04x: Unmapped bank read %04x\n",activecpu_get_pc(),offset); return 0; }
	if (offset<0x2800) return scratchram[offset-0x2200];

	logerror("%04x: Unmapped bank read %04x\n",activecpu_get_pc(),offset);
	return 0;
}

static WRITE8_HANDLER( deco16_bank_w )
{
	deco16_bank=data;
}

static READ8_HANDLER( deco16_io_r )
{
	const data8_t *ROM = memory_region(REGION_CPU1);

	if (deco16_bank) {
		if (offset==0) return readinputportbytag("IN1"); /* Player 1 controls */
		if (offset==1) return readinputportbytag("IN2"); /* Player 2 controls */
		if (offset==2) return readinputportbytag("IN3"); /* Vblank, coins */
		if (offset==3) return readinputportbytag("DSW1"); /* Dip 1 */
		if (offset==4) return readinputportbytag("DSW2"); /* Dip 2 */

		logerror("%04x:  Read input %d\n",activecpu_get_pc(),offset);
		return 0xff;
	}
	return ROM[0x8000+offset];
}

/***************************************************************************/

static ADDRESS_MAP_START( prosport_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0200, 0x021f) AM_READ(paletteram_r)
	AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_RAM)
	AM_RANGE(0x1000, 0x2fff) AM_READ(MRA8_RAM)
	AM_RANGE(0x8000, 0x800f) AM_READ(deco16_io_r)
	AM_RANGE(0x4000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( prosport_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0200, 0x021f) AM_WRITE(prosport_paletteram_w) AM_BASE(&paletteram)
	AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x1200, 0x1fff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x3000, 0x37ff) AM_WRITE(liberate_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x3800, 0x3fff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram)
	AM_RANGE(0x8000, 0x800f) AM_WRITE(deco16_io_w)
	AM_RANGE(0x4000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( liberate_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_RAM)
	AM_RANGE(0x1000, 0x3fff) AM_READ(MRA8_ROM) /* Mirror of main rom */
	AM_RANGE(0x4000, 0x7fff) AM_READ(deco16_bank_r)
	AM_RANGE(0x8000, 0x800f) AM_READ(deco16_io_r)
	AM_RANGE(0x6200, 0x67ff) AM_READ(MRA8_RAM)
	AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( liberate_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x1000, 0x3fff) AM_WRITE(MWA8_ROM) /* Mirror of main rom */
	AM_RANGE(0x4000, 0x47ff) AM_WRITE(liberate_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x4800, 0x4fff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram)
	AM_RANGE(0x6200, 0x67ff) AM_WRITE(MWA8_RAM) AM_BASE(&scratchram)
	AM_RANGE(0x8000, 0x800f) AM_WRITE(deco16_io_w)
	AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( deco16_readport, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x00, 0x00) AM_READ(input_port_0_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( deco16_writeport, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x00, 0x00) AM_WRITE(deco16_bank_w)
ADDRESS_MAP_END

static ADDRESS_MAP_START( liberatb_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x00fe, 0x00fe) AM_READ(input_port_0_r)
	AM_RANGE(0x0000, 0x0fff) AM_READ(MRA8_RAM)
	AM_RANGE(0x1000, 0x3fff) AM_READ(MRA8_ROM) /* Mirror of main rom */
	AM_RANGE(0x4000, 0x7fff) AM_READ(deco16_bank_r)
	AM_RANGE(0xf000, 0xf000) AM_READ(input_port_1_r)
	AM_RANGE(0xf001, 0xf001) AM_READ(input_port_2_r)
	AM_RANGE(0xf002, 0xf002) AM_READ(input_port_3_r)
	AM_RANGE(0xf003, 0xf003) AM_READ(input_port_4_r)
	AM_RANGE(0xf004, 0xf004) AM_READ(input_port_5_r)
	AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( liberatb_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x0fff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x1000, 0x3fff) AM_WRITE(MWA8_ROM) /* Mirror of main rom */
	AM_RANGE(0x4000, 0x47ff) AM_WRITE(liberate_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x4800, 0x4fff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram)
	AM_RANGE(0x6200, 0x67ff) AM_WRITE(MWA8_RAM) AM_BASE(&scratchram)
	AM_RANGE(0xf000, 0xf00f) AM_WRITE(deco16_io_w)
	AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

/***************************************************************************/

static ADDRESS_MAP_START( prosoccr_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
    AM_RANGE(0x0000, 0x01ff) AM_READ(MRA8_RAM)
	AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_r)
    AM_RANGE(0xe000, 0xffff) AM_READ(MRA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( prosoccr_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
    AM_RANGE(0x0000, 0x01ff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x2000, 0x2000) AM_WRITE(AY8910_write_port_0_w)
	AM_RANGE(0x4000, 0x4000) AM_WRITE(AY8910_control_port_0_w)
	AM_RANGE(0x6000, 0x6000) AM_WRITE(AY8910_write_port_1_w)
	AM_RANGE(0x8000, 0x8000) AM_WRITE(AY8910_control_port_1_w)
    AM_RANGE(0xe000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
    AM_RANGE(0x0000, 0x01ff) AM_READ(MRA8_RAM)
	AM_RANGE(0xb000, 0xb000) AM_READ(soundlatch_r)
    AM_RANGE(0xc000, 0xffff) AM_READ(MRA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
    AM_RANGE(0x0000, 0x01ff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0x3000, 0x3000) AM_WRITE(AY8910_write_port_0_w)
	AM_RANGE(0x4000, 0x4000) AM_WRITE(AY8910_control_port_0_w)
	AM_RANGE(0x7000, 0x7000) AM_WRITE(AY8910_write_port_1_w)
	AM_RANGE(0x8000, 0x8000) AM_WRITE(AY8910_control_port_1_w)
    AM_RANGE(0xc000, 0xffff) AM_WRITE(MWA8_ROM)
ADDRESS_MAP_END

/***************************************************************************/

INPUT_PORTS_START( boomrang )
	PORT_START_TAG("IN0")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
	PORT_SERVICE_NO_TOGGLE(0x10, IP_ACTIVE_LOW)
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, "Manufacturer" )
	PORT_DIPSETTING(    0x00, "Data East USA" )
	PORT_DIPSETTING(    0x80, "Data East Corporation" )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, DEF_STR( Infinite ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus" )
	PORT_DIPSETTING(    0x00, "20K Only" )
	PORT_DIPSETTING(    0x0c, "20K & Every 30K" )
	PORT_DIPSETTING(    0x08, "30K & Every 50K" )
	PORT_DIPSETTING(    0x04, "50K & Every 70K" )
	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( 0x40, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Invincibility" ) /* Manual calls it "Hit Check Of Boomer" */
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END

INPUT_PORTS_START( kamikcab )
	PORT_START_TAG("IN0")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
	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, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, "Manufacturer" )
	PORT_DIPSETTING(    0x00, "Data East USA" )
	PORT_DIPSETTING(    0x80, "Data East Corporation" )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, DEF_STR( Infinite ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus" )
	PORT_DIPSETTING(    0x00, "20000" )
	PORT_DIPSETTING(    0x0c, "20000 30000" )
	PORT_DIPSETTING(    0x08, "30000 40000" )
	PORT_DIPSETTING(    0x04, "40000 50000" )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Difficulty? */
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) /* Difficulty? */
	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 ) )
INPUT_PORTS_END

INPUT_PORTS_START( liberate )
	PORT_START_TAG("IN0")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
	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, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x80, "Manufacturer" )
	PORT_DIPSETTING(    0x00, "(INVALID) Data East USA (Dual Assault)" )
	PORT_DIPSETTING(    0x80, "Data East Corporation (Liberation)" )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, DEF_STR( Infinite ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus" )
	PORT_DIPSETTING(    0x00, "20000" )
	PORT_DIPSETTING(    0x0c, "20000 30000" )
	PORT_DIPSETTING(    0x08, "30000 50000" )
	PORT_DIPSETTING(    0x04, "50000 70000" )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Difficulty? */
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) /* Difficulty? */
	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 ) )
INPUT_PORTS_END

INPUT_PORTS_START( dualaslt )
	PORT_START_TAG("IN0")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )

	PORT_START_TAG("IN3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
	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, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, "Manufacturer / Title" )
	PORT_DIPSETTING(    0x00, "Data East USA (Dual Assault)" )
	PORT_DIPSETTING(    0x80, "(INVALID) Data East Corporation (Liberation)" )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, DEF_STR( Infinite ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus" )
	PORT_DIPSETTING(    0x00, "20000" )
	PORT_DIPSETTING(    0x0c, "20000 30000" )
	PORT_DIPSETTING(    0x08, "30000 50000" )
	PORT_DIPSETTING(    0x04, "50000 70000" )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Difficulty? */
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) /* Difficulty? */
	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 ) )
INPUT_PORTS_END

INPUT_PORTS_START( liberatb )
	PORT_START_TAG("IN0")
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_TILT )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_VBLANK )
	PORT_BIT( 0xf9, IP_ACTIVE_LOW,  IPT_UNKNOWN )

	PORT_START_TAG("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("IN3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START_TAG("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_3C ) )
	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, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START_TAG("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, DEF_STR( Infinite ) )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus" )
	PORT_DIPSETTING(    0x00, "20000" )
	PORT_DIPSETTING(    0x0c, "20000 30000" )
	PORT_DIPSETTING(    0x08, "30000 50000" )
	PORT_DIPSETTING(    0x04, "50000 70000" )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Difficulty? */
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) /* Difficulty? */
	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 ) )
INPUT_PORTS_END

/***************************************************************************/

static struct GfxLayout charlayout =
{
	8,8,
	RGN_FRAC(1,3),
	3,
 	{ RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) },
	{ 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 struct GfxLayout sprites =
{
	16,16,
	RGN_FRAC(1,3),
	3,
 	{ RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) },
	{ 16*8, 1+(16*8), 2+(16*8), 3+(16*8), 4+(16*8), 5+(16*8), 6+(16*8), 7+(16*8),
		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*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 },
	16*16
};

static struct GfxLayout pro_tiles =
{
	16,16,
	16,
	2,
	{ 0, 4, 1024*8, 1024*8+4 },
	{
 		24,25,26,27, 16,17,18,19, 8,9,10,11, 0,1,2,3
	},
	{
		0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
			8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32
	},
	64*8
};

static struct GfxLayout tiles1 =
{
	16,16,
	128,
	3,
	{ 4, 0, 0x4000*8+4 },
	{
		24,25,26,27, 16,17,18,19, 8,9,10,11, 0,1,2,3
	},
	{
		0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
			8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32
	},
	64*8
};

static struct GfxLayout tiles2 =
{
	16,16,
	128,
	3,
	{ 0x2000*8+4, 0x2000*8+0, 0x4000*8 },
	{
		24,25,26,27, 16,17,18,19, 8,9,10,11, 0,1,2,3
	},
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
			8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32 },
	64*8
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0x00000, &charlayout,  0, 4 },
	{ REGION_GFX1, 0x00000, &sprites,     0, 4 },
	{ REGION_GFX2, 0x00000, &tiles1,      0, 4 },
	{ REGION_GFX2, 0x00000, &tiles2,      0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo prosport_gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0x00000, &charlayout,  0, 4 },
	{ REGION_GFX1, 0x00000, &sprites,     0, 4 },
	{ REGION_GFX2, 0x00000, &pro_tiles,   0, 4 },
	{ REGION_GFX2, 0x00800, &pro_tiles,   0, 4 },
	{ -1 } /* end of array */
};

/***************************************************************************/

static INTERRUPT_GEN( deco16_interrupt )
{
	static int latch=0;
	int p=~readinputport(3);
	if (p&0x43 && !latch) {
		cpunum_set_input_line(0,DECO16_IRQ_LINE,ASSERT_LINE);
		latch=1;
	} else {
		if (!(p&0x43))
			latch=0;
	}
}

static MACHINE_DRIVER_START( prosoccr )

	/* basic machine hardware */
	MDRV_CPU_ADD(DECO16, 3000000)
	MDRV_CPU_PROGRAM_MAP(liberate_readmem,liberate_writemem)
	MDRV_CPU_IO_MAP(deco16_readport,deco16_writeport)

	MDRV_CPU_ADD(M6502, 1500000)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(prosoccr_sound_readmem,prosoccr_sound_writemem)
	MDRV_CPU_VBLANK_INT(nmi_line_pulse,16)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(529) /* 529ms Vblank duration?? */
	MDRV_INTERLEAVE(200)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(33)
	MDRV_PALETTE_INIT(liberate)

	MDRV_VIDEO_START(prosoccr)
	MDRV_VIDEO_UPDATE(prosoccr)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( prosport )

	/* basic machine hardware */
	MDRV_CPU_ADD(DECO16, 2000000)
	MDRV_CPU_PROGRAM_MAP(prosport_readmem,prosport_writemem)
	MDRV_CPU_IO_MAP(deco16_readport,deco16_writeport)

	MDRV_CPU_ADD(M6502, 1500000)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
	MDRV_CPU_VBLANK_INT(nmi_line_pulse,16)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(529) /* 529ms Vblank duration?? */
	MDRV_INTERLEAVE(200)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MDRV_GFXDECODE(prosport_gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(256)

	MDRV_VIDEO_START(boomrang)
	MDRV_VIDEO_UPDATE(prosport)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( boomrang )

	/* basic machine hardware */
	MDRV_CPU_ADD(DECO16, 2000000)
	MDRV_CPU_PROGRAM_MAP(liberate_readmem,liberate_writemem)
	MDRV_CPU_IO_MAP(deco16_readport,deco16_writeport)
	MDRV_CPU_VBLANK_INT(deco16_interrupt,1)

	MDRV_CPU_ADD(M6502, 1500000)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
	MDRV_CPU_VBLANK_INT(nmi_line_pulse,16)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(529) /* 529ms Vblank duration?? */
	MDRV_INTERLEAVE(200)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(33)
	MDRV_PALETTE_INIT(liberate)

	MDRV_VIDEO_START(boomrang)
	MDRV_VIDEO_UPDATE(boomrang)

	/* sound hardware */
		MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( liberate )

	/* basic machine hardware */
	MDRV_CPU_ADD(DECO16, 2000000)
	MDRV_CPU_PROGRAM_MAP(liberate_readmem,liberate_writemem)
	MDRV_CPU_IO_MAP(deco16_readport,deco16_writeport)
	MDRV_CPU_VBLANK_INT(deco16_interrupt,1)

	MDRV_CPU_ADD(M6502, 1500000)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
	MDRV_CPU_VBLANK_INT(nmi_line_pulse,16)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(529) /* 529ms Vblank duration?? */
	MDRV_INTERLEAVE(200)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(33)
	MDRV_PALETTE_INIT(liberate)

	MDRV_VIDEO_START(liberate)
	MDRV_VIDEO_UPDATE(liberate)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( liberatb )

	/* basic machine hardware */
	MDRV_CPU_ADD(M6502, 2000000)
	MDRV_CPU_PROGRAM_MAP(liberatb_readmem,liberatb_writemem)
	MDRV_CPU_VBLANK_INT(deco16_interrupt,1)

	MDRV_CPU_ADD(M6502, 1500000)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
	MDRV_CPU_VBLANK_INT(nmi_line_pulse,16)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(529) /* 529ms Vblank duration?? */
	MDRV_INTERLEAVE(200)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(33)
	MDRV_PALETTE_INIT(liberate)

	MDRV_VIDEO_START(liberate)
	MDRV_VIDEO_UPDATE(liberate)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)

	MDRV_SOUND_ADD(AY8910, 1500000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

/***************************************************************************/

ROM_START( prosoccr )
	ROM_REGION(0x10000, REGION_CPU1, 0)
	ROM_LOAD( "am07.7e",  0x8000, 0x2000, CRC(55415fb5) SHA1(676feb07d4fbd76aae8349b46f7edc8f357f2ddf) )
	ROM_LOAD( "am08.9e",  0xa000, 0x2000, CRC(73d45d0d) SHA1(07736286087478af404bd9c6b279d631a01cf4e2) )
	ROM_LOAD( "am09.10e", 0xc000, 0x2000, CRC(a7ee0b3a) SHA1(87e487f863bd90c5b979c2d3c4317869ba1d71d9) )
	ROM_LOAD( "am10.11e", 0xe000, 0x2000, CRC(5571bdb8) SHA1(a3740650453c9e4f78dcc7826eb112d0d9f65b22) )
/*low reload?? */
	ROM_REGION( 0x10000 * 2, REGION_CPU2, 0 )
	ROM_LOAD( "am06.10a", 0xe000, 0x2000, CRC(37a0c74f) SHA1(5757b9eaf5b1129ee2d03b0ab6c3b15c120cf43c) )

	ROM_REGION( 0x6000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "am00.2b",  0x0000, 0x2000, CRC(f3c8b649) SHA1(d2d42484e80d9241dac77a78c68314f88e0cbe5d) )
	ROM_LOAD( "am01.5b",  0x2000, 0x2000, CRC(24785bda) SHA1(536bdda766b46771223f01e463fa4c61e0dd545c) )
	ROM_LOAD( "am02.7b",  0x4000, 0x2000, CRC(c5af58ea) SHA1(a73d537b88befb76d67cc17d241e78c572c5b737) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "am03.10b", 0x0000, 0x2000, CRC(47dc31dc) SHA1(7f492477e30a0353251a43e7e726551c3861b63f) )
	ROM_LOAD( "am04.c10", 0x2000, 0x2000, CRC(e057d827) SHA1(81ca4351777de5c32f4cf65547287c8169ba1494) )

	ROM_REGION(0x04000, REGION_USER1, 0 )
	ROM_LOAD( "am05.d12", 0x0000, 0x2000,  CRC(f63e5a73) SHA1(50e7a1a0eb3bf8df3264bcba441c5fbd7dec52f4) )

	ROM_REGION( 64, REGION_PROMS, 0 )
	ROM_LOAD( "k1",    0, 32,  CRC(ebdc8343) SHA1(c9ae04da662f40237de24f5f01e97051e99e8c15) ) /* Colour */
	ROM_LOAD( "e13",  32, 32,  CRC(6909a061) SHA1(b9b2c1a7fec46027bfcc2c744946e27681c82b40) ) /* Timing? */
ROM_END

ROM_START( prosport )
	ROM_REGION(0x10000, REGION_CPU1, 0)
	ROM_LOAD( "ic21ar09.bin", 0x4000, 0x2000,  CRC(4faa8d12) SHA1(326216eb67d54ecd01701e4677f62b5c11b6763e) )
	ROM_LOAD( "ic22ar10.bin", 0x6000, 0x2000,  CRC(389e405b) SHA1(263088e49ab14a0017b2ad130bd78afcd0f13a4b) )
	ROM_LOAD( "ic23ar11.bin", 0x8000, 0x2000,  CRC(c0bc7f2a) SHA1(15d806bb8e28215178dbac0157d75e3ead42f6e9) )
	ROM_LOAD( "ic24ar12.bin", 0xa000, 0x2000,  CRC(4acd3f0d) SHA1(8bce597e4ba12d3cafa997653947e3aa6180b6c0) )
	ROM_LOAD( "ic25ar13.bin", 0xc000, 0x2000,  CRC(2bdabdf3) SHA1(530cd84dc7fbfdd6805bc555c0e9a5fa2175bc59) )
	ROM_LOAD( "ic26ar14.bin", 0xe000, 0x2000,  CRC(10ccfddb) SHA1(6c2d3cfd7be7cb4d3a217b1a70273ded5bd7e126) )

	ROM_REGION( 0x10000 * 2, REGION_CPU2, 0 )
	ROM_LOAD( "ic43ar16.bin", 0xc000, 0x2000,  CRC(113a4f89) SHA1(abbc7f5ad543f3500c0194100d236ac942e4739f) )
	ROM_LOAD( "ic42ar15.bin", 0xe000, 0x2000,  CRC(635425a6) SHA1(2b95c3252046462f8886a309d02ea3a15b693780) )

	ROM_REGION( 0x12000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "ic52ar00.bin",   0x00000, 0x2000, CRC(1e16adde) SHA1(229f68a687cbc9ac0d393e4db49d91f646eea7a6) )
	ROM_LOAD( "ic53ar01.bin",   0x02000, 0x2000, CRC(4b7a6431) SHA1(a8a23dffc3bf9fb3b806985272822904578e460e) )
	ROM_LOAD( "ic54ar02.bin",   0x04000, 0x2000, CRC(039eba80) SHA1(bd15f707f4d5dded8dd3373de5cb2a8d91a731d6) )

	ROM_LOAD( "ic55ar03.bin",   0x06000, 0x2000, CRC(caecafcb) SHA1(74c0e5aad65c162b9e58c1c37ec481cf3aa99056) )
	ROM_LOAD( "ic56ar04.bin",   0x08000, 0x2000, CRC(d555835e) SHA1(4e3f1b6418aec948aaf27d05a4736995763dd1aa) )
	ROM_LOAD( "ic57ar05.bin",   0x0a000, 0x2000, CRC(9d05c4cc) SHA1(898e4971d850c5f26513c4aabd548a41fdcf2b4f) )

	ROM_LOAD( "ic58ar06.bin",   0x0c000, 0x2000, CRC(903ea834) SHA1(93fc69a2b460ed4cc8945f34a761b9841eba15a3) )
	ROM_LOAD( "ic59ar07.bin",   0x0e000, 0x2000, CRC(e6527838) SHA1(e40acbcfda7d73ce4c1faa1c05e17d21bfc7f0d4) )
	ROM_LOAD( "ic60ar08.bin",   0x10000, 0x2000, CRC(ff1e6b01) SHA1(4561b718be41c67d713f6d7f10decc4d2eed9acc) )

	ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "ic46ar18.bin",   0x00000, 0x1000, CRC(d23998d3) SHA1(4d3545a0e1df2eb7927ec6fa4a35abd21321016c) )
	ROM_LOAD( "ic45ar17.bin",   0x01000, 0x1000, CRC(5f1c621e) SHA1(29ce85d3d5da5ee16bb67644b0555ab9bce52d05) )
ROM_END

ROM_START( boomrang )
	ROM_REGION(0x10000, REGION_CPU1, 0)
	ROM_LOAD( "bp13.9k",  0x8000, 0x4000,  CRC(b70439b1) SHA1(a020e9f6a71f72dfa72b8b202b4a08cca5e26ee0) )
	ROM_RELOAD(           0x0000, 0x4000 )
	ROM_LOAD( "bp14.11k", 0xc000, 0x4000,  CRC(98050e13) SHA1(2d936f95dc818883f735f92e9399470320e32a65) )

	ROM_REGION(0x10000*2, REGION_CPU2, 0)
	ROM_LOAD( "bp11.11f", 0xc000, 0x4000,  CRC(d6106f00) SHA1(068117d68eaabceb2e5890caf3f1761d89434f6c) )

	ROM_REGION(0xc000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "bp04.7b",  0x00000, 0x4000, CRC(5d4b12eb) SHA1(f46a40e8509717d20224a60c2121bdcd3f3eff5a) )
	ROM_LOAD( "bp06.10b", 0x04000, 0x4000, CRC(5a18296e) SHA1(435fcbf7418aa3bec0fc0e86a3c17d3f7dfb2666) )
	ROM_LOAD( "bp08.13b", 0x08000, 0x4000, CRC(4cdb30d9) SHA1(7584792834926ebb0388f552b2c930ee84631c77) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "bp02.4b",  0x00000, 0x4000, CRC(f3c2b84f) SHA1(e5c8d631058b73652c522d76618097f7289c0523) )
	ROM_LOAD( "bp00.1b",  0x04000, 0x4000, CRC(3370cf6e) SHA1(60a94e40d960fac611e69ba96dfa78fe747574e6) )

	ROM_REGION(0x04000, REGION_USER1, 0 )
	ROM_LOAD( "bp10.10a", 0x0000, 0x4000,  CRC(dd18a96f) SHA1(76ffa1bcf6377588c0b9b72508748c1cf2a0b303) )

	ROM_REGION( 32, REGION_PROMS, 0 )
	ROM_LOAD( "82s123.5l",  0, 32,  CRC(a71e19ff) SHA1(fc7bf69f7971bf763aeeb1d9eb0861470acbf5d8) )
ROM_END

ROM_START( kamikcab )
	ROM_REGION(0x10000, REGION_CPU1, 0)
	ROM_LOAD( "bp11", 0x0c000, 0x4000, CRC(a69e5580) SHA1(554e45a3f5a91864b62a2439c2277cd18dbe45a7) )
	ROM_RELOAD(       0x00000, 0x4000 )

	ROM_REGION(0x10000*2, REGION_CPU2, 0)	/* 64K for CPU 2 */
	ROM_LOAD( "bp09", 0x0e000, 0x2000, CRC(16b13676) SHA1(f3cad959cbcde243db3ebc77a3692302a44beb09) )

	ROM_REGION(0xc000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "bp04", 0x00000, 0x4000, CRC(b471542d) SHA1(aad323da7771c2ffdb04a60a4b4bbe032f5b1865) )
	ROM_LOAD( "bp06", 0x04000, 0x4000, CRC(4bf96d0d) SHA1(d7cd0e1da2d64e5b9318618b0ddd848ac405f28a) )
	ROM_LOAD( "bp08", 0x08000, 0x4000, CRC(b4756bed) SHA1(83c39ac5f4628f14a5f2ded6c9a9ed4874d2d8b6) )

	ROM_REGION(0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "bp02", 0x00000, 0x4000, CRC(77299e6e) SHA1(477a6f466f08fe99823dc55d246b4d732423663d) )
	ROM_LOAD( "bp00", 0x04000, 0x2000, CRC(c20ca7ca) SHA1(ca91af848ae38b296992bb21040ef22a325bbcdc) )

	ROM_REGION(0x4000, REGION_USER1, 0 )
	ROM_LOAD( "bp12", 0x00000, 0x4000, CRC(8c8f5d35) SHA1(5b908d92786dae76aaf84de14f8847ee8ee350a1) )

	ROM_REGION(32, REGION_PROMS, 0 )
	ROM_LOAD( "bp15", 0, 32,  CRC(30d3acce) SHA1(be88d74250edc2920fc0f95cfdd93468ac9c640e) )
ROM_END

ROM_START( liberate )
	ROM_REGION( 0x10000*2, REGION_CPU1, 0 )
 	ROM_LOAD( "bt12-2.bin", 0x8000, 0x4000, CRC(a0079ffd) SHA1(340398352500a33f01dca07dd9c86ad3a78f227e) )
	ROM_RELOAD(             0x0000, 0x4000 )
 	ROM_LOAD( "bt13-2.bin", 0xc000, 0x4000, CRC(19f8485c) SHA1(1e2a68e4cf6b96c53832f7d020f14a45de19967d) )

	ROM_REGION( 0x10000 * 2, REGION_CPU2, 0 )
	ROM_LOAD( "bt11.bin",  0xe000, 0x2000,  CRC(b549ccaa) SHA1(e4c8350fea61ed85d21037cbd4c3c50f9a9de09f) )

	ROM_REGION( 0x12000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "bt04.bin", 0x00000, 0x4000, CRC(96e48d72) SHA1(c31a58d6f1a3354b234849bf7ee013fe59bf908e) )	/* Chars/Sprites */
	ROM_LOAD( "bt03.bin", 0x04000, 0x2000, CRC(29ad1b59) SHA1(4d5a385ccad4cdebe87300ef08e1220bc9303673) )
	ROM_LOAD( "bt06.bin", 0x06000, 0x4000, CRC(7bed1497) SHA1(ba309f468d98269014b2a757b8e98496d7e29120) )
	ROM_LOAD( "bt05.bin", 0x0a000, 0x2000, CRC(a8896c20) SHA1(c21412c8a6b10719d324ce7ecb01ec4e9d803932) )
	ROM_LOAD( "bt08.bin", 0x0c000, 0x4000, CRC(828ef78d) SHA1(79076b5552e6aff032839f2daca952305c863a64) )
	ROM_LOAD( "bt07.bin", 0x10000, 0x2000, CRC(f919e8e2) SHA1(e9eafa10f024aa522947f6098480bddf1fbe960f) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
 	ROM_LOAD( "bt02.bin", 0x0000, 0x4000, CRC(7169f7bb) SHA1(06e45a15d7e878d0a6063c2fab55d065334935b2) )
 	ROM_LOAD( "bt00.bin", 0x4000, 0x2000, CRC(b744454d) SHA1(664619c3907c538f353d8ac04d66086dcfbd53d4) )
	/* On early revision bt02 is split as BT01-A (0x2000) BT02-A (0x2000) */

	ROM_REGION(0x4000, REGION_USER1, 0 )
	ROM_LOAD( "bt10.bin",  0x0000, 0x4000,  CRC(ee335397) SHA1(2d54f93d330357033b8ebc4bc052383c25156311) )

	ROM_REGION( 32, REGION_PROMS, 0 )
	ROM_LOAD( "bt14.bin", 0x0000, 32,  CRC(20281d61) SHA1(905dd2744c148d50332fcad34a57dc573d41bb0a) )
ROM_END

ROM_START( dualaslt )
	ROM_REGION( 0x10000*2, REGION_CPU1, 0 )
	ROM_LOAD( "bt12",       0x8000, 0x4000, CRC(1434ee46) SHA1(c431982c25323787b8e2ac1b433fc0e81650fbf9) )
	ROM_RELOAD(             0x0000, 0x4000 )
	ROM_LOAD( "bt13",       0xc000, 0x4000, CRC(38e0ffa4) SHA1(c450960cdcfa9b2b136f96bc1e3a37995a37f60c) )

	ROM_REGION( 0x10000 * 2, REGION_CPU2, 0 )
	ROM_LOAD( "bt11.bin",  0xe000, 0x2000,  CRC(b549ccaa) SHA1(e4c8350fea61ed85d21037cbd4c3c50f9a9de09f) )

	ROM_REGION( 0x12000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "bt04-5",   0x00000, 0x4000, CRC(159a3e85) SHA1(e916ee7e96c7c64d9ef05ff410d0cbba4d1b8ad0) ) 	/* Chars/Sprites */
	ROM_LOAD( "bt03.bin", 0x04000, 0x2000, CRC(29ad1b59) SHA1(4d5a385ccad4cdebe87300ef08e1220bc9303673) )
	ROM_LOAD( "bt06-5",   0x06000, 0x4000, CRC(3b5a80c8) SHA1(8b55b18ab46a64381fc135e84ab82fc451ee722d) )
	ROM_LOAD( "bt05.bin", 0x0a000, 0x2000, CRC(a8896c20) SHA1(c21412c8a6b10719d324ce7ecb01ec4e9d803932) )
	ROM_LOAD( "bt08-5",   0x0c000, 0x4000, CRC(b0cebde8) SHA1(9ed418705f56bc43fd864dbfb412cd7062229006) )
	ROM_LOAD( "bt07.bin", 0x10000, 0x2000, CRC(f919e8e2) SHA1(e9eafa10f024aa522947f6098480bddf1fbe960f) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "bt01",     0x0000, 0x2000, CRC(c0ddbeb5) SHA1(043c3ef2aa62a0e8b650d4daddb944e694078e01) )
	ROM_LOAD( "bt02a",    0x2000, 0x2000, CRC(846d9d24) SHA1(d0c395876601cf666dcf40a0f95e461095a98df4) )
 	ROM_LOAD( "bt00.bin", 0x4000, 0x2000, CRC(b744454d) SHA1(664619c3907c538f353d8ac04d66086dcfbd53d4) )

	ROM_REGION(0x4000, REGION_USER1, 0 )
	ROM_LOAD( "bt09",  0x0000, 0x2000, CRC(2ea31472) SHA1(2e3125b53755260a036dfc2940970eeb4c5c058b) )
	ROM_LOAD( "bt10a", 0x2000, 0x2000, CRC(69d9aa8d) SHA1(4587481d304bf34de56ab027668b22e716ee1da7) )

	ROM_REGION( 32, REGION_PROMS, 0 )
	ROM_LOAD( "bt14.bin", 0x0000, 32,  CRC(20281d61) SHA1(905dd2744c148d50332fcad34a57dc573d41bb0a) )
ROM_END

ROM_START( liberatb )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "liber6.c17", 0x8000, 0x2000, CRC(c1811fe0) SHA1(1f857042ce00e489c2e73bb459b81a2461ea0b25) )
	ROM_RELOAD(             0x0000, 0x2000)
	ROM_LOAD( "liber4.c18", 0xa000, 0x2000, CRC(0e8db1ce) SHA1(bb7b77c31b3bb2c0d523f5cad4ef46d42a9dc857) )
	ROM_RELOAD(             0x2000, 0x2000)
	ROM_LOAD( "liber3.c20", 0xc000, 0x2000, CRC(16c423f3) SHA1(0cf3c46c9fc13eb0f61a3945d3db6ca2f9ab76fe) )
 	ROM_LOAD( "liber5.c19", 0xe000, 0x2000, CRC(7738c194) SHA1(54fb094150481640f40d8a2066e43dc647980cda) )

	ROM_REGION( 0x10000 * 2, REGION_CPU2, 0 )
	ROM_LOAD( "bt11.bin",  0xe000, 0x2000,  CRC(b549ccaa) SHA1(e4c8350fea61ed85d21037cbd4c3c50f9a9de09f) )

	ROM_REGION( 0x12000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "bt04.bin", 0x00000, 0x4000, CRC(96e48d72) SHA1(c31a58d6f1a3354b234849bf7ee013fe59bf908e) )	/* Chars/Sprites */
	ROM_LOAD( "bt03.bin", 0x04000, 0x2000, CRC(29ad1b59) SHA1(4d5a385ccad4cdebe87300ef08e1220bc9303673) )
	ROM_LOAD( "bt06.bin", 0x06000, 0x4000, CRC(7bed1497) SHA1(ba309f468d98269014b2a757b8e98496d7e29120) )
	ROM_LOAD( "bt05.bin", 0x0a000, 0x2000, CRC(a8896c20) SHA1(c21412c8a6b10719d324ce7ecb01ec4e9d803932) )
	ROM_LOAD( "bt08.bin", 0x0c000, 0x4000, CRC(828ef78d) SHA1(79076b5552e6aff032839f2daca952305c863a64) )
	ROM_LOAD( "bt07.bin", 0x10000, 0x2000, CRC(f919e8e2) SHA1(e9eafa10f024aa522947f6098480bddf1fbe960f) )

	ROM_REGION( 0x8000, REGION_GFX2, ROMREGION_DISPOSE )
 	ROM_LOAD( "bt02.bin", 0x0000, 0x4000, CRC(7169f7bb) SHA1(06e45a15d7e878d0a6063c2fab55d065334935b2) )
 	ROM_LOAD( "bt00.bin", 0x4000, 0x2000, CRC(b744454d) SHA1(664619c3907c538f353d8ac04d66086dcfbd53d4) )

	ROM_REGION(0x4000, REGION_USER1, 0 )
	ROM_LOAD( "bt10.bin",  0x0000, 0x4000,  CRC(ee335397) SHA1(2d54f93d330357033b8ebc4bc052383c25156311) )

	ROM_REGION( 32, REGION_PROMS, 0 )
	ROM_LOAD( "bt14.bin", 0x0000, 32,  CRC(20281d61) SHA1(905dd2744c148d50332fcad34a57dc573d41bb0a) )
ROM_END

/***************************************************************************/

static void sound_cpu_decrypt(void)
{
	data8_t *RAM = memory_region(REGION_CPU2);
	int i;

	/* Bit swapping on sound cpu - Opcodes only */
	RAM = memory_region(REGION_CPU2);
	for (i=0xc000; i<0x10000; i++)
		RAM[i+0x10000]=((RAM[i] & 0x20) << 1) | ((RAM[i] & 0x40) >> 1) | (RAM[i] & 0x9f);

	memory_set_opcode_base(1,RAM+0x10000);
}

static DRIVER_INIT( prosport )
{
	unsigned char *RAM = memory_region(REGION_CPU1);
	int i;

	/* Main cpu has the nibbles swapped */
	for (i=0; i<0x10000; i++)
		RAM[i]=((RAM[i] & 0x0f) << 4) | ((RAM[i] & 0xf0) >> 4);

	sound_cpu_decrypt();
}

static DRIVER_INIT( liberate )
{
	int A;
	unsigned char *ROM = memory_region(REGION_CPU1);
	int diff = memory_region_length(REGION_CPU1) / 2;

	memory_set_opcode_base(0,ROM+diff);

	/* Swap bits for opcodes only, not data */
	for (A = 0;A < diff;A++) {
		ROM[A+diff] = (ROM[A] & 0xd7) | ((ROM[A] & 0x08) << 2) | ((ROM[A] & 0x20) >> 2);
		ROM[A+diff] = (ROM[A+diff] & 0xbb) | ((ROM[A+diff] & 0x04) << 4) | ((ROM[A+diff] & 0x40) >> 4);
		ROM[A+diff] = (ROM[A+diff] & 0x7d) | ((ROM[A+diff] & 0x02) << 6) | ((ROM[A+diff] & 0x80) >> 6);
	}

	sound_cpu_decrypt();
}

/***************************************************************************/

GAMEX(1983, prosoccr, 0,        prosoccr,  liberate, prosport, ROT270, "Data East Corporation", "Pro Soccer", GAME_NOT_WORKING )
GAMEX(1983, prosport, 0,        prosport,  liberate, prosport, ROT270, "Data East Corporation", "Prosport", GAME_NOT_WORKING )
GAME( 1983, boomrang, 0,        boomrang,  boomrang, prosport, ROT270, "Data East Corporation", "Boomer Rang'r / Genesis" )
GAME( 1984, kamikcab, 0,        boomrang,  kamikcab, prosport, ROT270, "Data East Corporation", "Kamikaze Cabbie" )
GAME( 1984, liberate, 0,        liberate,  liberate, liberate, ROT270, "Data East Corporation", "Liberation" )
GAME( 1984, dualaslt, liberate, liberate,  dualaslt, liberate, ROT270, "Data East USA",         "Dual Assault" )
GAME( 1984, liberatb, liberate, liberatb,  liberatb, prosport, ROT270, "bootleg",               "Liberation (bootleg)" )
