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

  Snow Brothers (Toaplan) / SemiCom Hardware
  uses Kaneko's Pandora sprite chip (also used in DJ Boy, Air Buster ..)

Snow Bros Nick & Tom
Toaplan, 1990

    PCB Layout
    ----------
    MIN16-02

    |------------------------------------------|
    | VOL     YM3812  6116  4464  4464         |
    | LA4460  YM3014        4464  4464         |
    |       458   SBROS-4.29         SBROS1.40 |
    |   2003       Z80B     PANDORA            |
    |J                    D41101C-1 LS07  LS32 |
    |A SBROS-3A.5 SBROS-2A.6        LS139 LS174|
    |M                  LS245 LS74  LS04  16MHz|
    |M   6264     6264  F32   LS74  LS74       |
    |A      68000       LS20  F138  LS04  12MHz|
    |                   LS04  LS148 LS251 LS00 |
    | LS273 LS245 LS245 LS158 LS257 LS257 LS32 |
    |                                          |
    | LS273  6116  6116 LS157   DSW2  DSW1     |
    |------------------------------------------|

    Notes:
           68k clock: 8.000MHz
          Z80B clock: 6.000MHz
        YM3812 clock: 3.000MHz
               VSync: 57.5Hz
               HSync: 15.68kHz

  driver by Mike Coates

  Hyper Pacman addition by David Haywood
   + some bits by Nicola Salmoria


Stephh's notes (hyperpac):

  - According to the "Language" Dip Switch, this game is a Korean game.
     (although the Language Dipswitch doesn't affect language, but yes
      I believe SemiCom to be a Korean Company)
  - There is no "cocktail mode", nor way to flip the screen.

todo:

make the originals work.
they're probably all this hardware or a varation on it, they don't work
(most point the interrupt vectors directly at a small area of ram which I'd
guess is shared with the Philips 87c52 mcu, more more plus doesn't point the
vectors there but does have a jump there in the code). See hyperpac for an
example, the protection data for that game was extracted from the bootleg.

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

#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "sound/2151intf.h"
#include "sound/3812intf.h"
#include "sound/okim6295.h"


WRITE16_HANDLER( snowbros_flipscreen_w );
VIDEO_UPDATE( snowbros );
VIDEO_UPDATE( wintbob );
VIDEO_UPDATE( snowbro3 );

static data16_t *hyperpac_ram;
int sb3_music_is_playing;
int sb3_music;

static INTERRUPT_GEN( snowbros_interrupt )
{
	cpunum_set_input_line(0, cpu_getiloops() + 2, HOLD_LINE);	/* IRQs 4, 3, and 2 */
}

static INTERRUPT_GEN( snowbro3_interrupt )
{
	int status = OKIM6295_status_0_r(0);

	cpunum_set_input_line(0, cpu_getiloops() + 2, HOLD_LINE);	/* IRQs 4, 3, and 2 */

	if (sb3_music_is_playing)
	{
		if ((status&0x08)==0x00)
		{
			OKIM6295_data_0_w(0,0x80|sb3_music);
			OKIM6295_data_0_w(0,0x00|0x82);
		}

	}
	else
	{
		if ((status&0x08)==0x08)
		{
			OKIM6295_data_0_w(0,0x40);		/* Stop playing music */
		}
	}

}


/* Sound Routines */

READ16_HANDLER( snowbros_68000_sound_r )
{
	int ret;

	/* If the sound CPU is running, read the YM3812 status, otherwise
       just make it pass the test */
	if (Machine->sample_rate != 0)
	{
		ret = soundlatch_r(offset);
	}
	else
	{
		ret = 3;
	}

	return ret;
}


static WRITE16_HANDLER( snowbros_68000_sound_w )
{
	if (ACCESSING_LSB)
	{
		soundlatch_w(offset,data & 0xff);
		cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE);
	}
}

static WRITE16_HANDLER( semicom_soundcmd_w )
{
	if (ACCESSING_LSB) soundlatch_w(0,data & 0xff);
}


/* Snow Bros Memory Map */

static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x03ffff) AM_READ(MRA16_ROM)
	AM_RANGE(0x100000, 0x103fff) AM_READ(MRA16_RAM)
	AM_RANGE(0x300000, 0x300001) AM_READ(snowbros_68000_sound_r)
	AM_RANGE(0x500000, 0x500001) AM_READ(input_port_0_word_r)
	AM_RANGE(0x500002, 0x500003) AM_READ(input_port_1_word_r)
	AM_RANGE(0x500004, 0x500005) AM_READ(input_port_2_word_r)
	AM_RANGE(0x600000, 0x6001ff) AM_READ(MRA16_RAM)
	AM_RANGE(0x700000, 0x701fff) AM_READ(MRA16_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x03ffff) AM_WRITE(MWA16_ROM)
	AM_RANGE(0x100000, 0x103fff) AM_WRITE(MWA16_RAM)
	AM_RANGE(0x200000, 0x200001) AM_WRITE(watchdog_reset16_w)
	AM_RANGE(0x300000, 0x300001) AM_WRITE(snowbros_68000_sound_w)
	AM_RANGE(0x400000, 0x400001) AM_WRITE(snowbros_flipscreen_w)
	AM_RANGE(0x600000, 0x6001ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)
	AM_RANGE(0x700000, 0x701fff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
	AM_RANGE(0x800000, 0x800001) AM_WRITE(MWA16_NOP)	/* IRQ 4 acknowledge? */
	AM_RANGE(0x900000, 0x900001) AM_WRITE(MWA16_NOP)	/* IRQ 3 acknowledge? */
	AM_RANGE(0xa00000, 0xa00001) AM_WRITE(MWA16_NOP)	/* IRQ 2 acknowledge? */
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_READ(MRA8_ROM)
	AM_RANGE(0x8000, 0x87ff) AM_READ(MRA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_WRITE(MWA8_ROM)
	AM_RANGE(0x8000, 0x87ff) AM_WRITE(MWA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_readport, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x02, 0x02) AM_READ(YM3812_status_port_0_r)
	AM_RANGE(0x04, 0x04) AM_READ(soundlatch_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_writeport, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x02, 0x02) AM_WRITE(YM3812_control_port_0_w)
	AM_RANGE(0x03, 0x03) AM_WRITE(YM3812_write_port_0_w)
	AM_RANGE(0x04, 0x04) AM_WRITE(soundlatch_w)	/* goes back to the main CPU, checked during boot */
ADDRESS_MAP_END

/* SemiCom Memory Map

the SemiCom games have slightly more ram and are protected
sound hardware is also different

*/

static ADDRESS_MAP_START( hyperpac_readmem, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x0fffff) AM_READ(MRA16_ROM)
	AM_RANGE(0x100000, 0x10ffff) AM_READ(MRA16_RAM)

	AM_RANGE(0x500000, 0x500001) AM_READ(input_port_0_word_r)
	AM_RANGE(0x500002, 0x500003) AM_READ(input_port_1_word_r)
	AM_RANGE(0x500004, 0x500005) AM_READ(input_port_2_word_r)

	AM_RANGE(0x600000, 0x6001ff) AM_READ(MRA16_RAM)
	AM_RANGE(0x700000, 0x701fff) AM_READ(MRA16_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( hyperpac_writemem, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x0fffff) AM_WRITE(MWA16_ROM)
	AM_RANGE(0x100000, 0x10ffff) AM_WRITE(MWA16_RAM) AM_BASE(&hyperpac_ram)
	AM_RANGE(0x300000, 0x300001) AM_WRITE(semicom_soundcmd_w)
//  AM_RANGE(0x400000, 0x400001) ???
	AM_RANGE(0x600000, 0x6001ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16)
	AM_RANGE(0x700000, 0x701fff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)

	AM_RANGE(0x800000, 0x800001) AM_WRITE(MWA16_NOP)	/* IRQ 4 acknowledge? */
	AM_RANGE(0x900000, 0x900001) AM_WRITE(MWA16_NOP)	/* IRQ 3 acknowledge? */
	AM_RANGE(0xa00000, 0xa00001) AM_WRITE(MWA16_NOP)	/* IRQ 2 acknowledge? */
ADDRESS_MAP_END

static ADDRESS_MAP_START( hyperpac_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xcfff) AM_READ(MRA8_ROM)
	AM_RANGE(0xd000, 0xd7ff) AM_READ(MRA8_RAM)
	AM_RANGE(0xf001, 0xf001) AM_READ(YM2151_status_port_0_r)
	AM_RANGE(0xf008, 0xf008) AM_READ(soundlatch_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( hyperpac_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xcfff) AM_WRITE(MWA8_ROM)
	AM_RANGE(0xd000, 0xd7ff) AM_WRITE(MWA8_RAM)
	AM_RANGE(0xf000, 0xf000) AM_WRITE(YM2151_register_port_0_w)
	AM_RANGE(0xf001, 0xf001) AM_WRITE(YM2151_data_port_0_w)
	AM_RANGE(0xf002, 0xf002) AM_WRITE(OKIM6295_data_0_w)
//  AM_RANGE(0xf006, 0xf006) ???
ADDRESS_MAP_END

/* Same volume used for all samples at the Moment, could be right, we have no
   way of knowing .. */
READ16_HANDLER( sb3_sound_r )
{
	return 0x0003;
}

void sb3_play_music(int data)
{
	/* sample is actually played in interrupt function so it loops */
	sb3_music = data;

	switch (data)
	{
		case 0x23:
		memcpy(memory_region(REGION_SOUND1)+0x20000, memory_region(REGION_SOUND1)+0x80000, 0x20000);
		sb3_music_is_playing = 1;
		break;

		case 0x24:
		memcpy(memory_region(REGION_SOUND1)+0x20000, memory_region(REGION_SOUND1)+0x80000+0x20000, 0x20000);
		sb3_music_is_playing = 1;
		break;

		case 0x25:
		memcpy(memory_region(REGION_SOUND1)+0x20000, memory_region(REGION_SOUND1)+0x80000+0x40000, 0x20000);
		sb3_music_is_playing = 1;
		break;

		case 0x26:
		memcpy(memory_region(REGION_SOUND1)+0x20000, memory_region(REGION_SOUND1)+0x80000, 0x20000);
		sb3_music_is_playing = 1;
		break;

		case 0x27:
		case 0x28:
		case 0x29:
		case 0x2a:
		case 0x2b:
		case 0x2c:
		case 0x2d:
		memcpy(memory_region(REGION_SOUND1)+0x20000, memory_region(REGION_SOUND1)+0x80000+0x40000, 0x20000);
		sb3_music_is_playing = 1;
		break;

		case 0x2e:
		sb3_music_is_playing = 0;
		break;
	}
}

void sb3_play_sound (int data)
{
	int status = OKIM6295_status_0_r(0);

	if ((status&0x01)==0x00)
	{
		OKIM6295_data_0_w(0,0x80|data);
		OKIM6295_data_0_w(0,0x00|0x12);
	}
	else if ((status&0x02)==0x00)
	{
		OKIM6295_data_0_w(0,0x80|data);
		OKIM6295_data_0_w(0,0x00|0x22);
	}
	else if ((status&0x04)==0x00)
	{
		OKIM6295_data_0_w(0,0x80|data);
		OKIM6295_data_0_w(0,0x00|0x42);
	}


}

WRITE16_HANDLER( sb3_sound_w )
{
	if (data == 0x00fe)
	{
		sb3_music_is_playing = 0;
		OKIM6295_data_0_w(0,0x78);		/* Stop sounds */
	}
	else /* the alternating 0x00-0x2f or 0x30-0x5f might be something to do with the channels */
	{
		data = data>>8;

		if (data <= 0x21)
		{
			sb3_play_sound(data);
		}

		if (data>=0x22 && data<=0x31)
		{
			sb3_play_music(data);
		}

		if ((data>=0x30) && (data<=0x51))
		{
			sb3_play_sound(data-0x30);
		}

		if (data>=0x52 && data<=0x5f)
		{
			sb3_play_music(data-0x30);
		}

	}
}



static ADDRESS_MAP_START( readmem3, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE( 0x000000, 0x03ffff) AM_READ(MRA16_ROM)
	AM_RANGE( 0x100000, 0x103fff) AM_READ(MRA16_RAM)
	AM_RANGE( 0x300000, 0x300001) AM_READ(sb3_sound_r) // ?
	AM_RANGE( 0x500000, 0x500001) AM_READ(input_port_0_word_r)
	AM_RANGE( 0x500002, 0x500003) AM_READ(input_port_1_word_r)
	AM_RANGE( 0x500004, 0x500005) AM_READ(input_port_2_word_r)
	AM_RANGE( 0x600000, 0x6003ff) AM_READ(MRA16_RAM)
	AM_RANGE( 0x700000, 0x7021ff) AM_READ(MRA16_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( writemem3, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE( 0x000000, 0x03ffff) AM_WRITE(MWA16_ROM)
	AM_RANGE( 0x100000, 0x103fff) AM_WRITE(MWA16_RAM)
	AM_RANGE( 0x200000, 0x200001) AM_WRITE(watchdog_reset16_w)
	AM_RANGE( 0x300000, 0x300001) AM_WRITE(sb3_sound_w)  // ?
	AM_RANGE( 0x400000, 0x400001) AM_WRITE(snowbros_flipscreen_w)
	AM_RANGE( 0x600000, 0x6003ff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE (&paletteram16)
	AM_RANGE( 0x700000, 0x7021ff) AM_WRITE(MWA16_RAM) AM_BASE( &spriteram16) AM_SIZE( &spriteram_size )
	AM_RANGE( 0x800000, 0x800001) AM_WRITE(MWA16_NOP) 	/* IRQ 4 acknowledge? */
	AM_RANGE( 0x900000, 0x900001) AM_WRITE(MWA16_NOP) 	/* IRQ 3 acknowledge? */
	AM_RANGE( 0xa00000, 0xa00001) AM_WRITE(MWA16_NOP) 	/* IRQ 2 acknowledge? */
ADDRESS_MAP_END


INPUT_PORTS_START( snowbros )
	PORT_START	/* 500001 */
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Region ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Europe ) )
	PORT_DIPSETTING(    0x01, "America (Romstar license)" )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x04, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 4C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x10, DEF_STR( 3C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x20, DEF_STR( 2C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_3C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_2C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 2C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_1C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_3C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_2C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x01)
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_2C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_3C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_4C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_6C ) )	PORT_DIPCONDITION(0,0x01,PORTCOND_EQUALS,0x00)
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )	/* Must be low or game stops! */
													/* probably VBlank */

	PORT_START	/* 500003 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x03, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x04, "100k and every 200k" )
	PORT_DIPSETTING(    0x0c, "100k Only" )
	PORT_DIPSETTING(    0x08, "200k Only" )
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x20, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x30, "3" )
	PORT_DIPSETTING(    0x10, "4" )
	PORT_DIPNAME( 0x40, 0x40, "Invulnerability" )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Allow_Continue ) )
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Yes ) )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500005 */
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( snowbroj )
	PORT_START	/* 500001 */
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x04, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_2C ) )
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_2C ) )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )	/* Must be low or game stops! */
													/* probably VBlank */

	PORT_START	/* 500003 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x03, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x04, "100k and every 200k" )
	PORT_DIPSETTING(    0x0c, "100k Only" )
	PORT_DIPSETTING(    0x08, "200k Only" )
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x20, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x30, "3" )
	PORT_DIPSETTING(    0x10, "4" )
	PORT_DIPNAME( 0x40, 0x40, "Invulnerability" )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Allow_Continue ) )
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Yes ) )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500005 */
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( 4in1boot )
	PORT_START	/* 500001 */
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x06, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x78, 0x78, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x18, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x38, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 4C_2C ) )
	PORT_DIPSETTING(    0x58, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 4C_4C ) )
	PORT_DIPSETTING(    0x28, DEF_STR( 3C_3C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 2C_2C ) )
	PORT_DIPSETTING(    0x78, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x48, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 2C_4C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x68, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 1C_4C ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )	/* Must be low or game stops! */
													/* probably VBlank */

	PORT_START	/* 500003 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x02, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unused ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unused ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unused ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unused ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unused ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500005 */
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( hyperpac )
	PORT_START	/* 500000.w */
	PORT_DIPNAME( 0x0001, 0x0000, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Lives ) )	// "Language" in the "test mode"
	PORT_DIPSETTING(      0x0002, "3" )					// "Korean"
	PORT_DIPSETTING(      0x0000, "5" )					// "English"
	PORT_DIPNAME( 0x001c, 0x001c, DEF_STR( Coinage ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(      0x000c, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(      0x001c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(      0x0014, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(      0x0018, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0060, 0x0060, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( Easy ) )
	PORT_DIPSETTING(      0x0060, DEF_STR( Normal ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Hard ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Hardest ) )			// DEF_STR( Very_Hard )
	PORT_SERVICE( 0x0080, IP_ACTIVE_LOW )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500002.w */
	PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500004.w */
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( cookbib2 )
	PORT_START	/* 500000.w */
	PORT_DIPNAME( 0x0001, 0x0000, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, "Max Vs Round" )	// "Language" in the "test mode"
	PORT_DIPSETTING(      0x0002, "3" )
	PORT_DIPSETTING(      0x0000, "1" )
	PORT_DIPNAME( 0x001c, 0x001c, DEF_STR( Coinage ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(      0x000c, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(      0x001c, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(      0x0014, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(      0x0018, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0060, 0x0060, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( Easy ) )
	PORT_DIPSETTING(      0x0060, DEF_STR( Normal ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Hard ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Hardest ) )			// DEF_STR( Very_Hard )
	PORT_SERVICE( 0x0080, IP_ACTIVE_LOW )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500002.w */
	PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500004.w */
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( moremore )
	PORT_START	/* 500000.w */
	PORT_DIPNAME( 0x0001, 0x0000, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x000e, 0x000e, DEF_STR( Coinage ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(      0x0006, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(      0x000e, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(      0x000a, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(      0x000c, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( 1C_3C ) )
	PORT_DIPNAME( 0x0070, 0x0070, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(      0x0020, "Level 1" )
	PORT_DIPSETTING(      0x0010, "Level 2" )
	PORT_DIPSETTING(      0x0000, "Level 3" )
	PORT_DIPSETTING(      0x0070, "Level 4" )
	PORT_DIPSETTING(      0x0060, "Level 5" )
	PORT_DIPSETTING(      0x0050, "Level 6" )
	PORT_DIPSETTING(      0x0040, "Level 7" )
	PORT_DIPSETTING(      0x0030, "Level 8" )
	PORT_SERVICE( 0x0080, IP_ACTIVE_LOW )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500002.w */
	PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unused ) )
	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Free_Play ) )
	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)	// jump
	PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)	// fire
	PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2)	// test mode only?
	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START	/* 500004.w */
	PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

/* SnowBros */

static struct GfxLayout tilelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ STEP8(0,4), STEP8(8*32,4) },
	{ STEP8(0,32), STEP8(16*32,32) },
	32*32
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &tilelayout,  0, 16 },
	{ -1 } /* end of array */
};

/* Winter Bobble */

static struct GfxLayout tilelayout_wb =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ STEP4(3*4,-4), STEP4(7*4,-4), STEP4(11*4,-4), STEP4(15*4,-4) },
	{ STEP16(0,64) },
	16*64
};

static struct GfxDecodeInfo gfxdecodeinfo_wb[] =
{
	{ REGION_GFX1, 0, &tilelayout_wb,  0, 16 },
	{ -1 }
};

/* SemiCom */

static struct GfxLayout hyperpac_tilelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 4, 0, 8*32+4, 8*32+0, 20,16, 8*32+20, 8*32+16,
	  12, 8, 8*32+12, 8*32+8, 28, 24, 8*32+28, 8*32+24 },
	{ 0*32, 2*32, 1*32, 3*32, 16*32+0*32, 16*32+2*32, 16*32+1*32, 16*32+3*32,
	  4*32, 6*32, 5*32, 7*32, 16*32+4*32, 16*32+6*32, 16*32+5*32, 16*32+7*32 },
	32*32
};


static struct GfxLayout sb3_tilebglayout =
{
 	16,16,
 	RGN_FRAC(1,1),
 	8,
 	{8, 9,10, 11, 0, 1, 2, 3  },
 	{ 0, 4, 16, 20, 32, 36, 48, 52,
 	512+0,512+4,512+16,512+20,512+32,512+36,512+48,512+52},
 	{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64,
 	1024+0*16,1024+1*64,1024+2*64,1024+3*64,1024+4*64,1024+5*64,1024+6*64,1024+7*64},
 	32*64
};


static struct GfxDecodeInfo sb3_gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &tilelayout,  0, 16 },
	{ REGION_GFX2, 0, &sb3_tilebglayout,  0, 2 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo hyperpac_gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &hyperpac_tilelayout,  0, 16 },
	{ -1 } /* end of array */
};

/* handler called by the 3812/2151 emulator when the internal timers cause an IRQ */
static void irqhandler(int irq)
{
	cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}

/* SnowBros Sound */

static struct YM3812interface ym3812_interface =
{
	irqhandler
};

/* SemiCom Sound */

static struct YM2151interface ym2151_interface =
{
	irqhandler
};


MACHINE_INIT (semiprot)
{
	data16_t *PROTDATA = (data16_t*)memory_region(REGION_USER1);
	int i;

	for (i = 0;i < 0x200/2;i++)
	hyperpac_ram[0xf000/2 + i] = PROTDATA[i];
}

static MACHINE_DRIVER_START( snowbros )

	/* basic machine hardware */
	MDRV_CPU_ADD_TAG("main", M68000, 8000000) /* 8 Mhz - confirmed */
	MDRV_CPU_PROGRAM_MAP(readmem,writemem)
	MDRV_CPU_VBLANK_INT(snowbros_interrupt,3)

	MDRV_CPU_ADD_TAG("sound", Z80, 6000000) /* 6 MHz - confirmed */
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
	MDRV_CPU_IO_MAP(sound_readport,sound_writeport)

	MDRV_FRAMES_PER_SECOND(57.5) /* ~57.5 - confirmed */
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(256)

	MDRV_VIDEO_UPDATE(snowbros)

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

	MDRV_SOUND_ADD_TAG("3812", YM3812, 3000000)
	MDRV_SOUND_CONFIG(ym3812_interface)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END


static MACHINE_DRIVER_START( wintbob )
	/* basic machine hardware */
	MDRV_IMPORT_FROM(snowbros)
	MDRV_CPU_REPLACE("main", M68000, 10000000) /* faster cpu on bootleg? otherwise the gfx break up */

	/* video hardware */
	MDRV_GFXDECODE(gfxdecodeinfo_wb)
	MDRV_VIDEO_UPDATE(wintbob)
MACHINE_DRIVER_END


static MACHINE_DRIVER_START( semicom )

	/* basic machine hardware */
	MDRV_IMPORT_FROM(snowbros)
	MDRV_CPU_REPLACE("main", M68000, 16000000) /* 16mhz or 12mhz ? */
	MDRV_CPU_PROGRAM_MAP(hyperpac_readmem,hyperpac_writemem)

	MDRV_CPU_REPLACE("sound", Z80, 4000000) /* 4.0 MHz ??? */
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(hyperpac_sound_readmem,hyperpac_sound_writemem)

	MDRV_GFXDECODE(hyperpac_gfxdecodeinfo)

	/* sound hardware */
	MDRV_SOUND_REPLACE("3812", YM2151, 4000000)
	MDRV_SOUND_CONFIG(ym2151_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.10)
	MDRV_SOUND_ROUTE(1, "mono", 0.10)

	MDRV_SOUND_ADD(OKIM6295, 7575)
	MDRV_SOUND_CONFIG(okim6295_interface_region_1)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( semiprot )
	MDRV_IMPORT_FROM(semicom)
	MDRV_MACHINE_INIT ( semiprot )
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( _4in1 )
	/* basic machine hardware */
	MDRV_IMPORT_FROM(semicom)
	MDRV_GFXDECODE(gfxdecodeinfo)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( snowbro3 )

	/* basic machine hardware */
	MDRV_CPU_ADD(M68000, 16000000) /* 16mhz or 12mhz ? */
	MDRV_CPU_PROGRAM_MAP(readmem3,writemem3)
	MDRV_CPU_VBLANK_INT(snowbro3_interrupt,3)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MDRV_GFXDECODE(sb3_gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(512)

	MDRV_VIDEO_UPDATE(snowbro3)

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

	MDRV_SOUND_ADD(OKIM6295, 8500)
	MDRV_SOUND_CONFIG(okim6295_interface_region_1)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END

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

  Game driver(s)

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

ROM_START( snowbros )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "sn6.bin",  0x00000, 0x20000, CRC(4899ddcf) SHA1(47d750d3022a80e47ffabe47566bb2556cc8d477) )
	ROM_LOAD16_BYTE( "sn5.bin",  0x00001, 0x20000, CRC(ad310d3f) SHA1(f39295b38d99087dbb9c5b00bf9cb963337a50e2) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "sbros-4.29",   0x0000, 0x8000, CRC(e6eab4e4) SHA1(d08187d03b21192e188784cb840a37a7bdb5ad32) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "sbros-1.41",   0x00000, 0x80000, CRC(16f06b3a) SHA1(c64d3b2d32f0f0fcf1d8c5f02f8589d59ddfd428) )
	/* where were these from, a bootleg? */
//  ROM_LOAD( "ch0",          0x00000, 0x20000, CRC(36d84dfe) SHA1(5d45a750220930bc409de30f19282bb143fbf94f) )
//  ROM_LOAD( "ch1",          0x20000, 0x20000, CRC(76347256) SHA1(48ec03965905adaba5e50eb3e42a2813f7883bb4) )
//  ROM_LOAD( "ch2",          0x40000, 0x20000, CRC(fdaa634c) SHA1(1271c74df7da7596caf67caae3c51b4c163a49f4) )
//  ROM_LOAD( "ch3",          0x60000, 0x20000, CRC(34024aef) SHA1(003a9b9ee3aaab3d787894d3d4126d372b19d2a8) )
ROM_END

ROM_START( snowbroa )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "sbros-3a.5",  0x00000, 0x20000, CRC(10cb37e1) SHA1(786be4640f8df2c81a32decc189ea7657ace00c6) )
	ROM_LOAD16_BYTE( "sbros-2a.6",  0x00001, 0x20000, CRC(ab91cc1e) SHA1(8cff61539dc7d35fcbf110d3e54fc1883e7b8509) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "sbros-4.29",   0x0000, 0x8000, CRC(e6eab4e4) SHA1(d08187d03b21192e188784cb840a37a7bdb5ad32) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "sbros-1.41",   0x00000, 0x80000, CRC(16f06b3a) SHA1(c64d3b2d32f0f0fcf1d8c5f02f8589d59ddfd428) )
ROM_END

ROM_START( snowbrob )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "sbros3-a",     0x00000, 0x20000, CRC(301627d6) SHA1(0d1dc70091c87e9c27916d4232ff31b7381a64e1) )
	ROM_LOAD16_BYTE( "sbros2-a",     0x00001, 0x20000, CRC(f6689f41) SHA1(e4fd27b930a31479c0d99e0ddd23d5db34044666) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "sbros-4.29",   0x0000, 0x8000, CRC(e6eab4e4) SHA1(d08187d03b21192e188784cb840a37a7bdb5ad32) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "sbros-1.41",   0x00000, 0x80000, CRC(16f06b3a) SHA1(c64d3b2d32f0f0fcf1d8c5f02f8589d59ddfd428) )
ROM_END

ROM_START( snowbroc )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "3-a.ic5",  0x00000, 0x20000, CRC(e1bc346b) SHA1(a20c343d9ed2ad4f785d21076499008edad251f9) )
	ROM_LOAD16_BYTE( "2-a.ic6",  0x00001, 0x20000, CRC(1be27f9d) SHA1(76dd14480b9274831e51016f7bb57459d7b15cf9) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "sbros-4.29",   0x0000, 0x8000, CRC(e6eab4e4) SHA1(d08187d03b21192e188784cb840a37a7bdb5ad32) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "sbros-1.41",   0x00000, 0x80000, CRC(16f06b3a) SHA1(c64d3b2d32f0f0fcf1d8c5f02f8589d59ddfd428) )
ROM_END

ROM_START( snowbroj )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "snowbros.3",   0x00000, 0x20000, CRC(3f504f9e) SHA1(700758b114c3fde6ea8f84222af0850dba13cd3b) )
	ROM_LOAD16_BYTE( "snowbros.2",   0x00001, 0x20000, CRC(854b02bc) SHA1(4ad1548eef94dcb95119cb4a7dcdefa037591b5b) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "sbros-4.29",   0x0000, 0x8000, CRC(e6eab4e4) SHA1(d08187d03b21192e188784cb840a37a7bdb5ad32) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	/* The gfx ROM (snowbros.1) was bad, I'm using the ones from the other sets. */
	ROM_LOAD( "sbros-1.41",   0x00000, 0x80000, CRC(16f06b3a) SHA1(c64d3b2d32f0f0fcf1d8c5f02f8589d59ddfd428) )
ROM_END

ROM_START( wintbob )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 6*64k for 68000 code */
	ROM_LOAD16_BYTE( "wb03.bin", 0x00000, 0x10000, CRC(df56e168) SHA1(20dbabdd97e6f3d4bf6500bf9e8476942cb48ae3) )
	ROM_LOAD16_BYTE( "wb01.bin", 0x00001, 0x10000, CRC(05722f17) SHA1(9356e2488ea35e0a2978689f2ca6dfa0d57fd2ed) )
	ROM_LOAD16_BYTE( "wb04.bin", 0x20000, 0x10000, CRC(53be758d) SHA1(56cf85ba23fe699031d73e8f367a1b8ac837d5f8) )
	ROM_LOAD16_BYTE( "wb02.bin", 0x20001, 0x10000, CRC(fc8e292e) SHA1(857cfeb0be121e64e6117120514ae1f2ffeae4d6) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* 64k for z80 sound code */
	ROM_LOAD( "wb05.bin",     0x0000, 0x10000, CRC(53fe59df) SHA1(a99053e82b9fed76f744fa9f67078294641c6317) )

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	/* probably identical data to Snow Bros, in a different format */
	ROM_LOAD16_BYTE( "wb13.bin",     0x00000, 0x10000, CRC(426921de) SHA1(5107c58e7e08d71895baa67fe260b17ebd61389c) )
	ROM_LOAD16_BYTE( "wb06.bin",     0x00001, 0x10000, CRC(68204937) SHA1(fd2ef93df5fd8aa2d36072858dbcfce41157ef3e) )
	ROM_LOAD16_BYTE( "wb12.bin",     0x20000, 0x10000, CRC(ef4e04c7) SHA1(17158b61b3c158e0491db9abb2e1a8c20d981d37) )
	ROM_LOAD16_BYTE( "wb07.bin",     0x20001, 0x10000, CRC(53f40978) SHA1(058bbf3b7877f0cd320383e0386c5959e0d6589b) )
	ROM_LOAD16_BYTE( "wb11.bin",     0x40000, 0x10000, CRC(41cb4563) SHA1(94f1d12d299ac08fc8522139e1927f0cf739be75) )
	ROM_LOAD16_BYTE( "wb08.bin",     0x40001, 0x10000, CRC(9497b88c) SHA1(367c6106276f3816528341f11f3a97ae458d25cd) )
	ROM_LOAD16_BYTE( "wb10.bin",     0x60000, 0x10000, CRC(5fa22b1e) SHA1(1164003d873e9738a3ca133cce689c7120061e3c) )
	ROM_LOAD16_BYTE( "wb09.bin",     0x60001, 0x10000, CRC(9be718ca) SHA1(5c195e4f13efbdb229201d2408d018861bf389cc) )
ROM_END

/* SemiCom Games */

ROM_START( hyperpac )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "hyperpac.h12", 0x00001, 0x20000, CRC(2cf0531a) SHA1(c4321d728845035507352d0bcf4348d28b92e85e) )
	ROM_LOAD16_BYTE( "hyperpac.i12", 0x00000, 0x20000, CRC(9c7d85b8) SHA1(432d5fbe8bef875ce4a9aeb74a7b57dc79c709fd) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "hyperpac.u1", 0x00000, 0x10000 , CRC(03faf88e) SHA1(a8da883d4b765b809452bbffca37ff224edbe86d) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "hyperpac.j15", 0x00000, 0x40000, CRC(fb9f468d) SHA1(52857b1a04c64ac853340ebb8e92d98eabea8bc1) )

	ROM_REGION( 0x0c0000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "hyperpac.a4", 0x000000, 0x40000, CRC(bd8673da) SHA1(8466355894da4d2c9a54d03a833cc9b4ec0c67eb) )
	ROM_LOAD( "hyperpac.a5", 0x040000, 0x40000, CRC(5d90cd82) SHA1(56be68478a81bb4e1011990da83334929a0ac886) )
	ROM_LOAD( "hyperpac.a6", 0x080000, 0x40000, CRC(61d86e63) SHA1(974c634607993924fa098eff106b1b288bec1e26) )
ROM_END

ROM_START( hyperpcb )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "hpacuh12.bin", 0x00001, 0x20000, CRC(633ab2c6) SHA1(534435fa602adebf651e1d42f7c96b01eb6634ef) )
	ROM_LOAD16_BYTE( "hpacui12.bin", 0x00000, 0x20000, CRC(23dc00d1) SHA1(8d4d00f450b94912adcbb24073f9b3b01eab0450) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "hyperpac.u1", 0x00000, 0x10000 , CRC(03faf88e) SHA1(a8da883d4b765b809452bbffca37ff224edbe86d) ) // was missing from this set, using the one from the original

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "hyperpac.j15", 0x00000, 0x40000, CRC(fb9f468d) SHA1(52857b1a04c64ac853340ebb8e92d98eabea8bc1) )

	ROM_REGION( 0x0c0000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "hyperpac.a4", 0x000000, 0x40000, CRC(bd8673da) SHA1(8466355894da4d2c9a54d03a833cc9b4ec0c67eb) )
	ROM_LOAD( "hyperpac.a5", 0x040000, 0x40000, CRC(5d90cd82) SHA1(56be68478a81bb4e1011990da83334929a0ac886) )
	ROM_LOAD( "hyperpac.a6", 0x080000, 0x40000, CRC(61d86e63) SHA1(974c634607993924fa098eff106b1b288bec1e26) )
ROM_END

ROM_START( twinkle )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "uh12.bin", 0x00001, 0x20000, CRC(a99626fe) SHA1(489098a2ceb36df97b6b1d59b7b696300deee3ab) )
	ROM_LOAD16_BYTE( "ui12.bin", 0x00000, 0x20000, CRC(5af73684) SHA1(9be43e5c71152d515366e422eb077a41dbb3fe62) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "u1.bin", 0x00000, 0x10000 , CRC(e40481da) SHA1(1c1fabcb67693235eaa6ff59ae12a35854b5564a) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION16_BE( 0x200, REGION_USER1, 0 ) /* Data from Shared RAM */
	/* this is not a real rom but instead the data extracted from
       shared ram, the MCU puts it there */
	ROM_LOAD16_WORD( "protdata.bin", 0x00000, 0x200, CRC(00d3e4b4) SHA1(afa359a8b48605ff034133bad2a0a182429dec71) )

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "uj15.bin", 0x00000, 0x40000, CRC(0a534b37) SHA1(b7d780eb4668f1f757a60884c022f5bbc424dc97) )

	ROM_REGION( 0x080000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "ua4.bin", 0x000000, 0x80000, CRC(6b64bb09) SHA1(547eac1ad931a6b937dff0b922d06af92cc7ab73) )
ROM_END

ROM_START( moremore )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "u52.bin",  0x00001, 0x40000, CRC(cea4b246) SHA1(5febcb5dda6581caccfe9079b28c2366dfc1db2b) )
	ROM_LOAD16_BYTE( "u74.bin",  0x00000, 0x40000, CRC(2acdcb88) SHA1(74d661d07752bbccab7eab151209a414e9bf7675) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "u35.bin", 0x00000, 0x10000 , CRC(92dc95fc) SHA1(f04e63cc680835458246989532faf5657e28db13) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION16_BE( 0x200, REGION_USER1, 0 ) /* Data from Shared RAM */
	/* this is not a real rom but instead the data extracted from
       shared ram, the MCU puts it there */
	ROM_LOAD16_WORD( "protdata.bin", 0x00000, 0x200 , CRC(782dd2aa) SHA1(2587734271e0c85cb76bcdee171366c4e6fc9f81) )

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "u14.bin", 0x00000, 0x40000, CRC(90580088) SHA1(c64de2c0db95ab4ce06fc0a29c0cc8b7f3deeb28) )

	ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "u75.bin", 0x000000, 0x80000, CRC(d671815c) SHA1(a7e8d3bf688ce51b5d9a2b306cc557974328c322) )
	ROM_LOAD( "u76.bin", 0x080000, 0x80000, CRC(e0d479e8) SHA1(454b53949664aca07a86229d3b6c9ce4e9449ea6) )
	ROM_LOAD( "u77.bin", 0x100000, 0x80000, CRC(60a281da) SHA1(3f268f8b1cd8efd3e32d0fcdba5483c93122800e) )
	ROM_LOAD( "u78.bin", 0x180000, 0x80000, CRC(e2723b4e) SHA1(6b4ba1e2e937b3231d76526af3f5a4a67144e4d5) )
ROM_END

ROM_START( moremorp )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "mmp_u52.bin",  0x00001, 0x40000, CRC(66baf9b2) SHA1(f1d383a94ef4313cb02c59ace17b9562eddcfb3c) )
	ROM_LOAD16_BYTE( "mmp_u74.bin",  0x00000, 0x40000, CRC(7c6fede5) SHA1(41bc539a6efe9eb2304243701857b972d2170bcf) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "mmp_u35.bin", 0x00000, 0x10000 , CRC(4d098cad) SHA1(a79d417e7525a25dd6697da9f3d1de269e759d2e) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION16_BE( 0x200, REGION_USER1, 0 ) /* Data from Shared RAM */
	/* this is not a real rom but instead the data extracted from
       shared ram, the MCU puts it there */
	ROM_LOAD16_WORD( "protdata.bin", 0x00000, 0x200 , CRC(782dd2aa) SHA1(2587734271e0c85cb76bcdee171366c4e6fc9f81) )

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "mmp_u14.bin", 0x00000, 0x40000, CRC(211a2566) SHA1(48138547822a8e76c101dd4189d581f80eee1e24) )

	ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "mmp_u75.bin", 0x000000, 0x80000, CRC(af9e824e) SHA1(2b68813bf025a34b8958033108e4f8d39fd618cb) )
	ROM_LOAD( "mmp_u76.bin", 0x080000, 0x80000, CRC(c42af064) SHA1(f9d755e7cb52828d8594f7871932daf11443689f) )
	ROM_LOAD( "mmp_u77.bin", 0x100000, 0x80000, CRC(1d7396e1) SHA1(bde7e925051408dd2371b5da8235a6a4cae8cf6a) )
	ROM_LOAD( "mmp_u78.bin", 0x180000, 0x80000, CRC(5508d80b) SHA1(1b9a70a502b237fa11d1d55dce761e2def18873a) )
ROM_END

ROM_START( 3in1semi )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "u52",  0x00001, 0x40000, CRC(b0e4a0f7) SHA1(e1f8b8ef020a85fcd7817814cf6c5d560e9e608d) )
	ROM_LOAD16_BYTE( "u74",  0x00000, 0x40000, CRC(266862c4) SHA1(2c5c513fee99bdb6e0ae3e0e644e516bdaddd629) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "u35", 0x00000, 0x10000 , CRC(e40481da) SHA1(1c1fabcb67693235eaa6ff59ae12a35854b5564a) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION16_BE( 0x200, REGION_USER1, 0 ) /* Data from Shared RAM */
	/* this is not a real rom but instead the data extracted from
       shared ram, the MCU puts it there */
	ROM_LOAD16_WORD( "protdata.bin", 0x00000, 0x200 , CRC(85deba7c) SHA1(44c6d9306b4f8e47182f4740a18971c49a8df8db) )

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "u14", 0x00000, 0x40000, CRC(c83c11be) SHA1(c05d96d61e5b8245232c85cbbcb7cc1e4e066492) )

	ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "u75", 0x000000, 0x80000, CRC(b66a0db6) SHA1(a4e604eb3c0a5b16b4b0bb99219045bf2146287c) )
	ROM_LOAD( "u76", 0x080000, 0x80000, CRC(5f4b48ea) SHA1(e9dd1100d55b021b060990988c1e5271ce1ae35b) )
	ROM_LOAD( "u77", 0x100000, 0x80000, CRC(d44211e3) SHA1(53af19dec03e76912632450414cdbcbb31cc094c) )
	ROM_LOAD( "u78", 0x180000, 0x80000, CRC(af596afc) SHA1(875d7a51ff5c741cae4483d8da33df9cae8de52a) )
ROM_END

ROM_START( cookbib2 )
	ROM_REGION( 0x80000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "cookbib2.02",  0x00001, 0x40000, CRC(b2909460) SHA1(2438638af870cfc105631d2b5e5a27a64ab5394d) )
	ROM_LOAD16_BYTE( "cookbib2.01",  0x00000, 0x40000, CRC(65aafde2) SHA1(01f9f261527c35182f0445d641d987aa86ad750f) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "cookbib2.07", 0x00000, 0x10000 , CRC(f59f1c9a) SHA1(2830261fd55249e015514fcb4cf8392e83b7fd0d) )

	ROM_REGION( 0x10000, REGION_CPU3, 0 ) /* Intel 87C52 MCU Code */
	ROM_LOAD( "87c52.mcu", 0x00000, 0x10000 , NO_DUMP ) /* can't be dumped */

	ROM_REGION( 0x200, REGION_USER1, 0 ) /* Data from Shared RAM */
	/* this is not a real rom but instead the data extracted from
       shared ram, the MCU puts it there */
	ROM_LOAD16_WORD_SWAP( "protdata.bin", 0x00000, 0x200 , CRC(ae6d8ed5) SHA1(410cdacb9b90ea345c0e4be85e60a138f45a51f1) )

	ROM_REGION( 0x020000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "cookbib2.06", 0x00000, 0x20000, CRC(5e6f76b8) SHA1(725800143dfeaa6093ed5fcc5b9f15678ae9e547) )

	ROM_REGION( 0x140000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "cookbib2.05", 0x000000, 0x80000, CRC(89fb38ce) SHA1(1b39dd9c2743916b8d8af590bd92fe4819c2454b) )
	ROM_LOAD( "cookbib2.04", 0x080000, 0x80000, CRC(f240111f) SHA1(b2c3b6e3d916fc68e1fd258b1279b6c39e1f0108) )
	ROM_LOAD( "cookbib2.03", 0x100000, 0x40000, CRC(e1604821) SHA1(bede6bdd8331128b9f2b229d718133470bf407c9) )
ROM_END

ROM_START( 4in1boot ) /* snow bros, tetris, hyperman 1, pacman 2 */
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "u52",  0x00001, 0x80000, CRC(71815878) SHA1(e3868f5687c1d8ec817671c50ade6c56ee83bfa1) )
	ROM_LOAD16_BYTE( "u74",  0x00000, 0x80000, CRC(e22d3fa2) SHA1(020ab92d8cbf37a9f8186a81934abb97088c16f9) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 ) /* Z80 Code */
	ROM_LOAD( "u35", 0x00000, 0x10000 , CRC(c894ac80) SHA1(ee896675b5205ab2dbd0cbb13db16aa145391d06) )

	ROM_REGION( 0x040000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "u14", 0x00000, 0x40000, CRC(94b09b0e) SHA1(414de3e36eff85126038e8ff74145b35076e0a43) )

	ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* Sprites */
	ROM_LOAD( "u78", 0x000000, 0x200000, CRC(6c1fbc9c) SHA1(067f32cae89fd4d57b90be659d2d648e557c11df) )
ROM_END

ROM_START( snowbro3 )
	ROM_REGION( 0x40000, REGION_CPU1, 0 )	/* 68000 code */
	ROM_LOAD16_BYTE( "ur4",  0x00000, 0x20000, CRC(19c13ffd) SHA1(4f9db70354bd410b7bcafa96be4591de8dc33d90) )
	ROM_LOAD16_BYTE( "ur3",  0x00001, 0x20000, CRC(3f32fa15) SHA1(1402c173c1df142ff9dd7b859689c075813a50e5) )

	/* is sound cpu code missing or is it driven by the main cpu? */

	ROM_REGION( 0x80000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "ua5",		0x000000, 0x80000, CRC(0604e385) SHA1(96acbc65a8db89a7be100f852dc07ba9a0313167) )	/* 16x16 tiles */

	ROM_REGION( 0x400000, REGION_GFX2, ROMREGION_DISPOSE ) /* 16x16 BG Tiles */
	ROM_LOAD( "un7",		0x000000, 0x200000, CRC(4a79da4c) SHA1(59207d116d39b9ee25c51affe520f5fdff34e536) )
	ROM_LOAD( "un8",		0x200000, 0x200000, CRC(7a4561a4) SHA1(1dd823369c09368d1f0ec8e1cb85d700f10ff448) )

	ROM_REGION( 0x100000, REGION_SOUND1, 0 )	/* OKIM6295 samples */
	ROM_LOAD( "us5",     0x00000, 0x20000, CRC(7c6368ef) SHA1(53393c570c605f7582b61c630980041e2ed32e2d) )
	ROM_CONTINUE(0x80000,0x60000)
ROM_END

READ16_HANDLER ( moremorp_0a_read )
{
	return 0x000a;
}

static DRIVER_INIT( moremorp )
{
//  data16_t *PROTDATA = (data16_t*)memory_region(REGION_USER1);
//  int i;

//  for (i = 0;i < 0x200/2;i++)
//      hyperpac_ram[0xf000/2 + i] = PROTDATA[i];

	/* explicit check in the code */
	memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x200000, 0x200001, 0, 0, moremorp_0a_read );
}


static DRIVER_INIT( cookbib2 )
{
//  data16_t *HCROM = (data16_t*)memory_region(REGION_CPU1);
//  data16_t *PROTDATA = (data16_t*)memory_region(REGION_USER1);
//  int i;
//  hyperpac_ram[0xf000/2] = 0x46fc;
//  hyperpac_ram[0xf002/2] = 0x2700;

// verified on real hardware, need to move this to a file really

//  static data16_t cookbib2_mcu68k[] =
//  {
//      // moved to protdata.bin
//  };




//for (i = 0;i < sizeof(cookbib2_mcu68k)/sizeof(cookbib2_mcu68k[0]);i++)
//      hyperpac_ram[0xf000/2 + i] = cookbib2_mcu68k[i];

//  for (i = 0;i < 0x200/2;i++)
//      hyperpac_ram[0xf000/2 + i] = PROTDATA[i];


	// trojan is actually buggy and gfx flicker like crazy
	// but we can pause the system after bootup with HALT line of 68k to get the table before
	// it goes nuts

	//  hyperpac_ram[0xf07a/2] = 0x4e73;
	//  hyperpac_ram[0xf000/2] = 0x4e73;

#if 0

	/* interrupt wait loop? */
	HCROM[0x014942/2] = 0x4eb9;
	HCROM[0x014944/2] = 0x0004;
	HCROM[0x014946/2] = 0x8000;
	HCROM[0x014948/2] = 0x4e71;

	/* interrupt wait loop? */
	HCROM[0x014968/2] = 0x4eb9;
	HCROM[0x01496a/2] = 0x0004;
	HCROM[0x01496c/2] = 0x8100;
	HCROM[0x01496e/2] = 0x4e71;

	/* interrupt wait loop? */
	HCROM[0x014560/2] = 0x4eb9;
	HCROM[0x014562/2] = 0x0004;
	HCROM[0x014564/2] = 0x8200;
	HCROM[0x014566/2] = 0x4e71;

	/* new code for interrupt wait */
	HCROM[0x048000/2] = 0x4a79;
	HCROM[0x048002/2] = 0x0010;
	HCROM[0x048004/2] = 0x2462;
	HCROM[0x048006/2] = 0x66f8;
	HCROM[0x048008/2] = 0x4eb9;
	HCROM[0x04800a/2] = 0x0004;
	HCROM[0x04800c/2] = 0x8300;
	HCROM[0x04800e/2] = 0x4e75;

	/* new code for interrupt wait */
	HCROM[0x048100/2] = 0x4a79;
	HCROM[0x048102/2] = 0x0010;
	HCROM[0x048104/2] = 0x2460;
	HCROM[0x048106/2] = 0x66f8;
	HCROM[0x048108/2] = 0x4eb9;
	HCROM[0x04810a/2] = 0x0004;
	HCROM[0x04810c/2] = 0x8300;
	HCROM[0x04810e/2] = 0x4e75;

	/* new code for interrupt wait */
	HCROM[0x048200/2] = 0x4a79;
	HCROM[0x048202/2] = 0x0010;
	HCROM[0x048204/2] = 0x2490;
	HCROM[0x048206/2] = 0x66f8;
	HCROM[0x048208/2] = 0x4eb9;
	HCROM[0x04820a/2] = 0x0004;
	HCROM[0x04820c/2] = 0x8300;
	HCROM[0x04820e/2] = 0x4e75;



	/* put registers on stack */
	HCROM[0x048300/2] = 0x48e7;
	HCROM[0x048302/2] = 0xfffe;

	/* wipe sprite ram (fill with 0x0002) */

	/* put the address we want to write TO in A2 */
	HCROM[0x048304/2] = 0x45f9;
	HCROM[0x048306/2] = 0x0070;
	HCROM[0x048308/2] = 0x0000;

	/* put the number of words we want to clear into D0 */
	HCROM[0x04830a/2] = 0x203c;
	HCROM[0x04830c/2] = 0x0000;
	HCROM[0x04830e/2] = 0x1000;

	/* write 0x0002 to A2 */
	HCROM[0x048310/2] = 0x34bc;
	HCROM[0x048312/2] = 0x0002;


	/* add 1 to write address a2 */
	HCROM[0x048314/2] = 0xd5fc;
	HCROM[0x048316/2] = 0x0000;
	HCROM[0x048318/2] = 0x0002;

	/* decrease counter d0 */
	HCROM[0x04831a/2] = 0x5380;

	/* compare d0 to 0 */
	HCROM[0x04831c/2] = 0x0c80;
	HCROM[0x04831e/2] = 0x0000;
	HCROM[0x048320/2] = 0x0000;

	/* if its not 0 then branch back */
	HCROM[0x048322/2] = 0x66ec;

	/* ram has been wiped */

	/* put the address we want to read protection data  in A2 */
	HCROM[0x048324/2] = 0x45f9;
	HCROM[0x048326/2] = 0x0010;
//  HCROM[0x048328/2] = 0xf000;
//  HCROM[0x048328/2] = 0xf000+0xb4;
	HCROM[0x048328/2] = 0xf000+0xb4+0xb4;

	/* put the address of spriteram  in A0 */
	HCROM[0x04832a/2] = 0x41f9;
	HCROM[0x04832c/2] = 0x0070;
	HCROM[0x04832e/2] = 0x0000;

	/* put the number of rows into D3 */
	HCROM[0x048330/2] = 0x263c;
	HCROM[0x048332/2] = 0x0000;
	HCROM[0x048334/2] = 0x0012;

	/* put the y co-ordinate of rows into D6 */
	HCROM[0x048336/2] = 0x2c3c;
	HCROM[0x048338/2] = 0x0000;
	HCROM[0x04833a/2] = 0x0014;

	/* put the number of bytes per row into D2 */
	HCROM[0x04833c/2] = 0x243c;
	HCROM[0x04833e/2] = 0x0000;
	HCROM[0x048340/2] = 0x000a;

	/* put the x co-ordinate of rows into D5 */
	HCROM[0x048342/2] = 0x2a3c;
	HCROM[0x048344/2] = 0x0000;
	HCROM[0x048346/2] = 0x0010;

	// move content of a2 to d4 (byte)
	HCROM[0x048348/2] = 0x1812;

	HCROM[0x04834a/2] = 0xe84c; // shift d4 right by 4

	HCROM[0x04834c/2] = 0x0244; // mask with 0x000f
	HCROM[0x04834e/2] = 0x000f; //

	/* jump to character draw to draw first bit */
	HCROM[0x048350/2] = 0x4eb9;
	HCROM[0x048352/2] = 0x0004;
	HCROM[0x048354/2] = 0x8600;

	// increase x-cord
	HCROM[0x048356/2] = 0x0645;
	HCROM[0x048358/2] = 0x000a;


	/* add 0x10 to draw address a0 */
	HCROM[0x04835a/2] = 0xd1fc;
	HCROM[0x04835c/2] = 0x0000;
	HCROM[0x04835e/2] = 0x0010;


	// move content of a2 to d4 (byte)
	HCROM[0x048360/2] = 0x1812;

	HCROM[0x048362/2] = 0x0244; // mask with 0x000f
	HCROM[0x048364/2] = 0x000f; //

	/* jump to character draw to draw second bit */
	HCROM[0x048366/2] = 0x4eb9;
	HCROM[0x048368/2] = 0x0004;
	HCROM[0x04836a/2] = 0x8600;

	// increase x-cord
	HCROM[0x04836c/2] = 0x0645;
	HCROM[0x04836e/2] = 0x000c;

	/* add 0x10 to draw address a0 */
	HCROM[0x048370/2] = 0xd1fc;
	HCROM[0x048372/2] = 0x0000;
	HCROM[0x048374/2] = 0x0010;

// newcode
	/* add 1 to read address a2 */
	HCROM[0x048376/2] = 0xd5fc;
	HCROM[0x048378/2] = 0x0000;
	HCROM[0x04837a/2] = 0x0001;

	/* decrease counter d2 (row count)*/
	HCROM[0x04837c/2] = 0x5382;

	/* compare d2 to 0 */
	HCROM[0x04837e/2] = 0x0c82;
	HCROM[0x048380/2] = 0x0000;
	HCROM[0x048382/2] = 0x0000;

	/* if its not 0 then branch back */
	HCROM[0x048384/2] = 0x66c2;

	// increase y-cord d6
	HCROM[0x048386/2] = 0x0646;
	HCROM[0x048388/2] = 0x000c;

	/* decrease counter d3 */
	HCROM[0x04838a/2] = 0x5383;

	/* compare d3 to 0 */
	HCROM[0x04838c/2] = 0x0c83;
	HCROM[0x04838e/2] = 0x0000;
	HCROM[0x048390/2] = 0x0000;

	/* if its not 0 then branch back */
	HCROM[0x048392/2] = 0x66a8;

	/* get back registers from stack*/
	HCROM[0x048394/2] = 0x4cdf;
	HCROM[0x048396/2] = 0x7fff;

	/* rts */
	HCROM[0x048398/2] = 0x4e75;

	/* Draw a character! */
	/* D6 = y-coordinate
       D5 = x-coordinate
       D4 = value to draw

       A0 = spriteram base */

	// 0002 0002 0002 0010 00xx 00yy 00nn 000n

	// 357c 0020 000c
	// 337c = a1
	// move.w #$20, (#$c, A2)

	HCROM[0x048600/2] = 0x317c;
	HCROM[0x048602/2] = 0x0010;
	HCROM[0x048604/2] = 0x0006;

	HCROM[0x048606/2] = 0x3145;
	HCROM[0x048608/2] = 0x0008;

	HCROM[0x04860a/2] = 0x3146;
	HCROM[0x04860c/2] = 0x000a;

/* get true value */

	/* put lookuptable address in  A3 */
	HCROM[0x04860e/2] = 0x47f9;
	HCROM[0x048610/2] = 0x0004;
	HCROM[0x048612/2] = 0x8800;

	HCROM[0x048614/2] = 0x3004; // d4 -> d0
	HCROM[0x048616/2] = 0xe348;

	HCROM[0x048618/2] = 0x3173;
	HCROM[0x04861a/2] = 0x0000;
	HCROM[0x04861c/2] = 0x000c;

/* not value */

	HCROM[0x04861e/2] = 0x317c;
	HCROM[0x048620/2] = 0x0000;
	HCROM[0x048622/2] = 0x000e;

	/* rts */
	HCROM[0x048624/2] = 0x4e75;


	/* table used for lookup by the draw routine to get real tile numbers */

	HCROM[0x048800/2] = 0x0010;
	HCROM[0x048802/2] = 0x0011;
	HCROM[0x048804/2] = 0x0012;
	HCROM[0x048806/2] = 0x0013;
	HCROM[0x048808/2] = 0x0014;
	HCROM[0x04880a/2] = 0x0015;
	HCROM[0x04880c/2] = 0x0016;
	HCROM[0x04880e/2] = 0x0017;
	HCROM[0x048810/2] = 0x0018;
	HCROM[0x048812/2] = 0x0019;
	HCROM[0x048814/2] = 0x0021;
	HCROM[0x048816/2] = 0x0022;
	HCROM[0x048818/2] = 0x0023;
	HCROM[0x04881a/2] = 0x0024;
	HCROM[0x04881c/2] = 0x0025;
	HCROM[0x04881e/2] = 0x0026;



/*
10 0
11 1
12 2
13 3
14 4
15 5
16 6
17 7
18 8
19 9
21 a
22 b
23 c
24 d
25 e
26 f
*/





	{
		FILE *fp;

		fp=fopen("cookie", "w+b");
		if (fp)
		{
			fwrite(HCROM, 0x80000, 1, fp);
			fclose(fp);
		}
	}
#endif
}


static DRIVER_INIT( hyperpac )
{
	/* simulate RAM initialization done by the protection MCU */
	/* not verified on real hardware */
	hyperpac_ram[0xe000/2] = 0x4ef9;
	hyperpac_ram[0xe002/2] = 0x0000;
	hyperpac_ram[0xe004/2] = 0x062c;

	hyperpac_ram[0xe080/2] = 0xfedc;
	hyperpac_ram[0xe082/2] = 0xba98;
	hyperpac_ram[0xe084/2] = 0x7654;
	hyperpac_ram[0xe086/2] = 0x3210;
}

READ16_HANDLER ( _4in1_02_read )
{
	return 0x0202;
}

static DRIVER_INIT(4in1boot)
{
	unsigned char *buffer;
	data8_t *src = memory_region(REGION_CPU1);
	int len = memory_region_length(REGION_CPU1);

	/* strange order */
	if ((buffer = malloc(len)))
	{
		int i;
		for (i = 0;i < len; i++)
			if (i&1) buffer[i] = BITSWAP8(src[i],6,7,5,4,3,2,1,0);
			else buffer[i] = src[i];

		memcpy(src,buffer,len);
		free(buffer);
	}

	src = memory_region(REGION_CPU2);
	len = memory_region_length(REGION_CPU2);

	/* strange order */
	if ((buffer = malloc(len)))
	{
		int i;
		for (i = 0;i < len; i++)
			buffer[i] = src[i^0x4000];
		memcpy(src,buffer,len);
		free(buffer);
	}
	memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x200000, 0x200001, 0, 0, _4in1_02_read );
}

static DRIVER_INIT(snowbro3)
{
	unsigned char *buffer;
	data8_t *src = memory_region(REGION_CPU1);
	int len = memory_region_length(REGION_CPU1);

	/* strange order */
	if ((buffer = malloc(len)))
	{
		int i;
		for (i = 0;i < len; i++)
			buffer[i] = src[BITSWAP24(i,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,3,4,1,2,0)];
		memcpy(src,buffer,len);
		free(buffer);
	}
}

static READ16_HANDLER( _3in1_read )
{
	return 0x0a0a;
}

static DRIVER_INIT( 3in1semi )
{
	memory_install_read16_handler(0, ADDRESS_SPACE_PROGRAM, 0x200000, 0x200001, 0, 0, _3in1_read );
}

GAME( 1990, snowbros, 0,        snowbros, snowbros, 0, ROT0, "Toaplan", "Snow Bros. - Nick & Tom (set 1)" )
GAME( 1990, snowbroa, snowbros, snowbros, snowbros, 0, ROT0, "Toaplan", "Snow Bros. - Nick & Tom (set 2)" )
GAME( 1990, snowbrob, snowbros, snowbros, snowbros, 0, ROT0, "Toaplan", "Snow Bros. - Nick & Tom (set 3)" )
GAME( 1990, snowbroc, snowbros, snowbros, snowbros, 0, ROT0, "Toaplan", "Snow Bros. - Nick & Tom (set 4)" )
GAME( 1990, snowbroj, snowbros, snowbros, snowbroj, 0, ROT0, "Toaplan", "Snow Bros. - Nick & Tom (Japan)" )
GAME( 1990, wintbob,  snowbros, wintbob,  snowbros, 0, ROT0, "bootleg", "The Winter Bobble" )
/* SemiCom Games */
GAME( 1995, hyperpac, 0,        semicom, hyperpac, hyperpac, ROT0, "SemiCom", "Hyper Pacman" )
GAME( 1995, hyperpcb, hyperpac, semicom, hyperpac, 0,        ROT0, "bootleg", "Hyper Pacman (bootleg)" )
GAME( 1996, cookbib2, 0,        semiprot, cookbib2, cookbib2, ROT0, "SemiCom", "Cookie and Bibi 2" )
GAME( 1997, 3in1semi, 0,        semiprot, moremore, 3in1semi, ROT0, "SemiCom", "XESS - The New Revolution (SemiCom 3-in-1)" )
GAME( 1997, twinkle,  0,        semiprot, moremore, 0,        ROT0, "SemiCom", "Twinkle" )
GAME( 1999, moremore, 0,        semiprot, moremore, moremorp, ROT0, "SemiCom / Exit", "More More" )
GAME( 1999, moremorp, 0,        semiprot, moremore, moremorp, ROT0, "SemiCom / Exit", "More More Plus" )
GAME( 1999, 4in1boot, 0,        _4in1,    4in1boot, 4in1boot, ROT0, "bootleg", "Puzzle King (bootleg)" ) // original is 1999, bootleg 2002?
GAMEX(2002, snowbro3, snowbros, snowbro3, snowbroj, snowbro3, ROT0, "bootleg", "Snow Brothers 3 - Magical Adventure", GAME_IMPERFECT_SOUND ) // its basically snowbros code?...
