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

King of Boxer - (c) 1985 Woodplace Inc.
Ring King - (c) 1985 Data East USA Inc.

Preliminary driver by:
Ernesto Corvi
ernesto@imagina.com

Notes:
-----
Main CPU:
- Theres a memory area from 0xf000 to 0xf7ff, which is clearly
  initialized at startup and never used anymore.

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

#include "driver.h"
#include "vidhrdw/generic.h"

/* from vidhrdw */
extern unsigned char *kingobox_videoram1;
extern unsigned char *kingobox_colorram1;
extern int kingobox_videoram1_size;
extern unsigned char *kingobox_scroll_y;
void kingofb_f800_w(int offset,int data);
void kingobox_vh_convert_color_prom(unsigned char *palette,unsigned short *colortable,const unsigned char *color_prom);
void ringking_vh_convert_color_prom(unsigned char *palette,unsigned short *colortable,const unsigned char *color_prom);
void kingobox_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void ringking_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);

static unsigned char *video_shared;
static unsigned char *sprite_shared;
int kingofb_nmi_enable = 0;

static int video_shared_r( int offs ) {
	return video_shared[offs];
}

static void video_shared_w( int offs, int data ) {
	video_shared[offs] = data;
}

static int sprite_shared_r( int offs ) {
	return sprite_shared[offs];
}

static void sprite_shared_w( int offs, int data ) {
	sprite_shared[offs] = data;
}

static void video_interrupt_w( int offs, int data ) {
	cpu_cause_interrupt( 1, 0xff );
}

static void sprite_interrupt_w( int offs, int data ) {
	cpu_cause_interrupt( 2, 0xff );
}

static void scroll_interrupt_w( int offs, int data ) {
	sprite_interrupt_w( offs, data );
	*kingobox_scroll_y = data;
}

static void sound_command_w( int offs, int data ) {
	soundlatch_w( 0, data );
	cpu_cause_interrupt( 3, 0xff );
}

static struct MemoryReadAddress main_readmem[] =
{
    { 0x0000, 0x7fff, MRA_ROM },
    { 0xc000, 0xc3ff, MRA_RAM }, /* work ram */
    { 0xe000, 0xe7ff, sprite_shared_r },
    { 0xe800, 0xefff, video_shared_r },
    { 0xf000, 0xf7ff, MRA_RAM }, /* ???? */
    { 0xfc00, 0xfc00, input_port_0_r }, /* DSW 0 */
    { 0xfc01, 0xfc01, input_port_1_r }, /* DSW 1 */
    { 0xfc02, 0xfc02, input_port_2_r }, /* Player 1 controls */
    { 0xfc03, 0xfc03, input_port_3_r }, /* Player 2 controls */
    { 0xfc04, 0xfc04, input_port_4_r }, /* Coin & Start */
    { 0xfc05, 0xfc05, input_port_5_r }, /* Player 1 & 2 button 3 */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress main_writemem[] =
{
    { 0x0000, 0x7fff, MWA_ROM },
    { 0xc000, 0xc3ff, MWA_RAM }, /* work ram */
    { 0xe000, 0xe7ff, sprite_shared_w }, /* shared with sprite cpu */
    { 0xe800, 0xefff, video_shared_w }, /* shared with video cpu */
    { 0xf000, 0xf7ff, MWA_RAM }, /* ???? */
    { 0xf800, 0xf800, kingofb_f800_w },	/* NMI enable, palette bank */
    { 0xf801, 0xf801, MWA_NOP }, /* ???? */
    { 0xf802, 0xf802, MWA_RAM, &kingobox_scroll_y },
    { 0xf803, 0xf803, scroll_interrupt_w  },
    { 0xf804, 0xf804, video_interrupt_w },
    { 0xf807, 0xf807, sound_command_w }, /* sound latch */
    { -1 }  /* end of table */
};

static struct MemoryReadAddress video_readmem[] =
{
    { 0x0000, 0x3fff, MRA_ROM },
    { 0x8000, 0x87ff, MRA_RAM }, /* work ram */
    { 0xa000, 0xa7ff, video_shared_r }, /* shared with main */
    { 0xc000, 0xc0ff, videoram_r }, /* background vram */
    { 0xc400, 0xc4ff, colorram_r }, /* background colorram */
    { 0xc800, 0xcbff, MRA_RAM }, /* foreground vram */
    { 0xcc00, 0xcfff, MRA_RAM }, /* foreground colorram */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress video_writemem[] =
{
    { 0x0000, 0x3fff, MWA_ROM },
    { 0x8000, 0x87ff, MWA_RAM }, /* work ram */
    { 0xa000, 0xa7ff, video_shared_w, &video_shared }, /* shared with main */
    { 0xc000, 0xc0ff, videoram_w, &videoram, &videoram_size }, /* background vram */
    { 0xc400, 0xc4ff, colorram_w, &colorram }, /* background colorram */
    { 0xc800, 0xcbff, MWA_RAM, &kingobox_videoram1, &kingobox_videoram1_size }, /* foreground vram */
    { 0xcc00, 0xcfff, MWA_RAM, &kingobox_colorram1 }, /* foreground colorram */
    { -1 }  /* end of table */
};

static struct MemoryReadAddress sprite_readmem[] =
{
    { 0x0000, 0x1fff, MRA_ROM },
    { 0x8000, 0x87ff, MRA_RAM }, /* work ram */
    { 0xa000, 0xa7ff, sprite_shared_r }, /* shared with main */
    { 0xc000, 0xc3ff, spriteram_r }, /* sprite ram */
    { 0xc400, 0xc43f, MRA_RAM }, /* something related to scroll? */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress sprite_writemem[] =
{
    { 0x0000, 0x1fff, MWA_ROM },
    { 0x8000, 0x87ff, MWA_RAM }, /* work ram */
    { 0xa000, 0xa7ff, sprite_shared_w, &sprite_shared }, /* shared with main */
    { 0xc000, 0xc3ff, spriteram_w, &spriteram, &spriteram_size }, /* sprite ram */
    { 0xc400, 0xc43f, MWA_RAM },  /* something related to scroll? */
    { -1 }  /* end of table */
};

static struct MemoryReadAddress sound_readmem[] =
{
    { 0x0000, 0xbfff, MRA_ROM },
    { 0xc000, 0xc3ff, MRA_RAM }, /* work ram */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
    { 0x8000, 0x8000, MWA_NOP }, /* ??? */
    { 0x0000, 0xbfff, MWA_ROM },
    { 0xc000, 0xc3ff, MWA_RAM }, /* work ram */
    { -1 }  /* end of table */
};

static struct IOReadPort sound_readport[] =
{
	{ 0x08, 0x08, AY8910_read_port_0_r },
	{ -1 }  /* end of table */
};

static struct IOWritePort sound_writeport[] =
{
	{ 0x00, 0x00, DAC_data_w },
	{ 0x08, 0x08, AY8910_write_port_0_w },
	{ 0x0c, 0x0c, AY8910_control_port_0_w },
	{ -1 }  /* end of table */
};

/* Ring King */
static struct MemoryReadAddress rk_main_readmem[] =
{
    { 0x0000, 0xbfff, MRA_ROM },
    { 0xc000, 0xc3ff, MRA_RAM }, /* work ram */
    { 0xc800, 0xcfff, sprite_shared_r },
    { 0xd000, 0xd7ff, video_shared_r },
    { 0xe000, 0xe000, input_port_0_r }, /* DSW 0 */
    { 0xe001, 0xe001, input_port_1_r }, /* DSW 1 */
    { 0xe002, 0xe002, input_port_2_r }, /* Player 1 controls */
    { 0xe003, 0xe003, input_port_3_r }, /* Player 2 controls */
    { 0xe004, 0xe004, input_port_4_r }, /* Coin & Start */
    { 0xe005, 0xe005, input_port_5_r }, /* Player 1 & 2 button 3 */
    { 0xf000, 0xf7ff, MRA_RAM }, /* ???? */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress rk_main_writemem[] =
{
    { 0x0000, 0xbfff, MWA_ROM },
    { 0xc000, 0xc3ff, MWA_RAM }, /* work ram */
    { 0xc800, 0xcfff, sprite_shared_w },
    { 0xd000, 0xd7ff, video_shared_w },
    { 0xd800, 0xd800, kingofb_f800_w },
    { 0xd801, 0xd801, sprite_interrupt_w },
    { 0xd802, 0xd802, video_interrupt_w },
    { 0xd803, 0xd803, sound_command_w },
    { 0xe800, 0xe800, MWA_RAM, &kingobox_scroll_y },
    { 0xf000, 0xf7ff, MWA_RAM }, /* ???? */
    { -1 }  /* end of table */
};

static struct MemoryReadAddress rk_video_readmem[] =
{
    { 0x0000, 0x3fff, MRA_ROM },
    { 0x8000, 0x87ff, MRA_RAM }, /* work ram */
    { 0xc000, 0xc7ff, video_shared_r }, /* shared with main */
    { 0xa800, 0xa8ff, videoram_r }, /* background vram */
    { 0xac00, 0xacff, colorram_r }, /* background colorram */
    { 0xa000, 0xa3ff, MRA_RAM }, /* foreground vram */
    { 0xa400, 0xa7ff, MRA_RAM }, /* foreground colorram */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress rk_video_writemem[] =
{
    { 0x0000, 0x3fff, MWA_ROM },
    { 0x8000, 0x87ff, MWA_RAM }, /* work ram */
    { 0xc000, 0xc7ff, video_shared_w, &video_shared }, /* shared with main */
    { 0xa800, 0xa8ff, videoram_w, &videoram, &videoram_size }, /* background vram */
    { 0xac00, 0xacff, colorram_w, &colorram }, /* background colorram */
    { 0xa000, 0xa3ff, MWA_RAM, &kingobox_videoram1, &kingobox_videoram1_size }, /* foreground vram */
    { 0xa400, 0xa7ff, MWA_RAM, &kingobox_colorram1 }, /* foreground colorram */
    { -1 }  /* end of table */
};

static struct MemoryReadAddress rk_sprite_readmem[] =
{
    { 0x0000, 0x1fff, MRA_ROM },
    { 0x8000, 0x87ff, MRA_RAM }, /* work ram */
    { 0xc800, 0xcfff, sprite_shared_r }, /* shared with main */
    { 0xa000, 0xa3ff, spriteram_r }, /* sprite ram */
    { 0xa400, 0xa43f, MRA_RAM }, /* something related to scroll? */
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress rk_sprite_writemem[] =
{
    { 0x0000, 0x1fff, MWA_ROM },
    { 0x8000, 0x87ff, MWA_RAM }, /* work ram */
    { 0xc800, 0xcfff, sprite_shared_w, &sprite_shared }, /* shared with main */
    { 0xa000, 0xa3ff, spriteram_w, &spriteram, &spriteram_size }, /* sprite ram */
    { 0xa400, 0xa43f, MWA_RAM },  /* something related to scroll? */
    { -1 }  /* end of table */
};

static struct IOReadPort rk_sound_readport[] =
{
	{ 0x02, 0x02, AY8910_read_port_0_r },
	{ -1 }  /* end of table */
};

static struct IOWritePort rk_sound_writeport[] =
{
	{ 0x00, 0x00, DAC_data_w },
	{ 0x02, 0x02, AY8910_write_port_0_w },
	{ 0x03, 0x03, AY8910_control_port_0_w },
	{ -1 }  /* end of table */
};

INPUT_PORTS_START( kingofb )
    PORT_START /* DSW0 - 0xfc01 */
    PORT_DIPNAME( 0x03, 0x01, "Rest Up Points" )
    PORT_DIPSETTING(    0x02, "70000" )
    PORT_DIPSETTING(    0x01, "100000" )
    PORT_DIPSETTING(    0x03, "150000" )
    PORT_DIPSETTING(    0x00, DEF_STR( No ) )
    PORT_DIPNAME( 0x04, 0x00, DEF_STR( Demo_Sounds ) )
    PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x18, 0x00, DEF_STR( Difficulty ) )
    PORT_DIPSETTING(    0x00, "Easy" )
    PORT_DIPSETTING(    0x08, "Medium" )
    PORT_DIPSETTING(    0x10, "Hard" )
    PORT_DIPSETTING(    0x18, "Hardest" )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) )
    PORT_DIPSETTING(    0x20, DEF_STR( Upright ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
    PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_SERVICE( 0x80, IP_ACTIVE_HIGH )

    PORT_START /* DSW1 - 0xfc01 */
    PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) )
    PORT_DIPSETTING(    0x07, DEF_STR( 4C_1C ) )
    PORT_DIPSETTING(    0x06, DEF_STR( 3C_1C ) )
    PORT_DIPSETTING(    0x05, DEF_STR( 2C_1C ) )
    PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
    PORT_DIPSETTING(    0x01, DEF_STR( 1C_2C ) )
    PORT_DIPSETTING(    0x02, DEF_STR( 1C_3C ) )
    PORT_DIPSETTING(    0x03, DEF_STR( 1C_4C ) )
    PORT_DIPSETTING(    0x04, DEF_STR( 1C_5C ) )
    PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x08, DEF_STR( On ) )
    PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x10, DEF_STR( On ) )
    PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x20, DEF_STR( On ) )
    PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x40, DEF_STR( On ) )
    PORT_DIPNAME( 0x80, 0x00, "Freeze" )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x80, DEF_STR( On ) )

    PORT_START /* IN 0 - 0xfc02 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

    PORT_START /* IN 1 - 0xfc03 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START /* IN 2 - 0xfc04 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

    PORT_START /* IN 3 - 0xfc05 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON3 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON3 | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
INPUT_PORTS_END

/* Ring King */
INPUT_PORTS_START( ringking )
    PORT_START /* DSW0 - 0xe000 */
    PORT_DIPNAME( 0x03, 0x03, "Replay" )
    PORT_DIPSETTING(    0x01, "70000" )
    PORT_DIPSETTING(    0x02, "100000" )
    PORT_DIPSETTING(    0x00, "150000" )
    PORT_DIPSETTING(    0x03, DEF_STR( No ) )
    PORT_DIPNAME( 0x04, 0x04, DEF_STR( Demo_Sounds ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x04, DEF_STR( On ) )
    PORT_DIPNAME( 0x18, 0x10, "Difficulty(2P)" )
    PORT_DIPSETTING(    0x18, "Easy" )
    PORT_DIPSETTING(    0x10, "Medium" )
    PORT_DIPSETTING(    0x08, "Hard" )
    PORT_DIPSETTING(    0x00, "Hardest" )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Cabinet ) )
    PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
    PORT_DIPSETTING(    0x20, DEF_STR( Cocktail ) )
    PORT_BIT(			0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_SERVICE( 0x80, IP_ACTIVE_LOW )

    PORT_START /* DSW1 - 0xe001 */
    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( 0x30, 0x10, "Difficulty(1P)" )
    PORT_DIPSETTING(    0x30, "Easy" )
    PORT_DIPSETTING(    0x10, "Medium" )
    PORT_DIPSETTING(    0x20, "Hard" )
    PORT_DIPSETTING(    0x00, "Hardest" )
    PORT_DIPNAME( 0x40, 0x40, "Boxing Match" )
    PORT_DIPSETTING(    0x40, "2 Win,End" )
    PORT_DIPSETTING(    0x00, "1 Win,End" )
    PORT_DIPNAME( 0x80, 0x80, "Freeze" )
    PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )

    PORT_START /* IN 0 - 0xe002 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

    PORT_START /* IN 1 - 0xe003 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START /* IN 2 - 0xe004 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_TILT ) /* Service Switch */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* Sound busy??? */
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_VBLANK )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

    PORT_START /* IN 3 - 0xfc05 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END



static struct GfxLayout charlayout =
{
	8,8,    /* 8*8 characters */
	512,   /* 1024 characters */
	1,      /* 1 bits per pixel */
	{ 0 },     /* only 1 plane */
	{ 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     /* every char takes 8 consecutive bytes */
};

static struct GfxLayout spritelayout =
{
	16,16,	/* 16*16 chars */
	1024, 	/* 1024 characters */
	3,		/* bits per pixel */
	{ 2*0x4000*8, 1*0x4000*8, 0*0x4000*8 },
	{ 3*0x4000*8+0,3*0x4000*8+1,3*0x4000*8+2,3*0x4000*8+3,
			3*0x4000*8+4,3*0x4000*8+5,3*0x4000*8+6,3*0x4000*8+7,
			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*8
};

static struct GfxLayout tilelayout =
{
	16,16,	/* 16*16 chars */
	512,	/* 512 characters */
	3,		/* bits per pixel */
	{ 2*0x2000*8, 1*0x2000*8, 0*0x2000*8 },
	{ 3*0x2000*8+0,3*0x2000*8+1,3*0x2000*8+2,3*0x2000*8+3,
			3*0x2000*8+4,3*0x2000*8+5,3*0x2000*8+6,3*0x2000*8+7,
			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*8
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
    { 1, 0x00000, &charlayout,   256,  8 },	/* characters */
    { 1, 0x01000, &charlayout,   256,  8 },	/* characters */
    { 1, 0x02000, &spritelayout,   0, 32 },	/* sprites */
    { 1, 0x1a000, &tilelayout,     0, 32 }, /* bg tiles */
    { -1 } /* end of array */
};

/* Ring King */
static struct GfxLayout rk_charlayout1 =
{
	8,8,    /* 8*8 characters */
	512,   /* 1024 characters */
	1,      /* 1 bits per pixel */
	{ 0 },     /* only 1 plane */
	{ 7, 6, 5, 4, (0x1000*8)+7, (0x1000*8)+6, (0x1000*8)+5, (0x1000*8)+4 },
	{ 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
	8*8     /* every char takes 8 consecutive bytes */
};

static struct GfxLayout rk_charlayout2 =
{
	8,8,    /* 8*8 characters */
	512,   /* 1024 characters */
	1,      /* 1 bits per pixel */
	{ 0 },     /* only 1 plane */
	{ 3, 2, 1, 0, (0x1000*8)+3, (0x1000*8)+2, (0x1000*8)+1, (0x1000*8)+0 },
	{ 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
	8*8     /* every char takes 8 consecutive bytes */
};

static struct GfxLayout rk_spritelayout =
{
	16,16,	/* 16*16 chars */
	1024, 	/* 1024 characters */
	3,		/* bits per pixel */
	{ 0*0x8000*8, 1*0x8000*8, 2*0x8000*8 },
	{ 7, 6, 5, 4, 3, 2, 1, 0,
		16*8+7, 16*8+6, 16*8+5, 16*8+4, 16*8+3, 16*8+2, 16*8+1, 16*8+0 },
	{ 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 },
	32*8
};

static struct GfxLayout rk_tilelayout =
{
	16,16,	/* 16*16 chars */
	512, 	/* 1024 characters */
	3,		/* bits per pixel */
	{ 0*0x4000*8, 1*0x4000*8, 2*0x4000*8 },
	{ 7, 6, 5, 4, 3, 2, 1, 0,
		16*8+7, 16*8+6, 16*8+5, 16*8+4, 16*8+3, 16*8+2, 16*8+1, 16*8+0 },
	{ 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 },
	32*8
};

static struct GfxLayout rk_bglayout =
{
	16,16,	/* 16*16 chars */
	256, 	/* 1024 characters */
	3,		/* bits per pixel */
	{ 0x4000*8+4, 0, 4 },
	{ 16*8+3, 16*8+2, 16*8+1, 16*8+0, 0x2000*8+3, 0x2000*8+2, 0x2000*8+1, 0x2000*8+0,
		3, 2, 1, 0, 0x2010*8+3, 0x2010*8+2, 0x2010*8+1, 0x2010*8+0 },
	{ 15*8, 14*8, 13*8, 12*8, 11*8, 10*8, 9*8, 8*8,
			7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
	32*8
};


static struct GfxDecodeInfo rk_gfxdecodeinfo[] =
{
    { 1, 0x00000, &rk_charlayout1,  256,  8 },	/* characters */
    { 1, 0x00000, &rk_charlayout2,  256,  8 },	/* characters */
    { 1, 0x0e000, &rk_spritelayout,   0, 32 },	/* sprites */
    { 1, 0x02000, &rk_tilelayout,     0, 32 },	/* sprites/bg tiles */
    { 1, 0x26000, &rk_bglayout,		  0, 32 },	/* bg tiles */
    { -1 } /* end of array */
};

static struct AY8910interface ay8910_interface =
{
	1,	/* 1 chip */
	1500000,	/* 1.5 MHz ? */
	{ 25 },
	AY8910_DEFAULT_GAIN,
	{ soundlatch_r },
	{ 0 },
	{ 0 },
	{ 0 }
};

static struct DACinterface dac_interface =
{
	1,
	{ 25 }
};

static int kingobox_interrupt( void ) {

	if ( kingofb_nmi_enable )
		return nmi_interrupt();

	return ignore_interrupt();
}

static struct MachineDriver machine_driver =
{
	/* basic machine hardware */
	{
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    0,
		    main_readmem, main_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    3,
		    video_readmem, video_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    4,
		    sprite_readmem, sprite_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80 | CPU_AUDIO_CPU,
		    4000000,        /* 4.0 Mhz */
		    5,
		    sound_readmem, sound_writemem,sound_readport,sound_writeport,
		    ignore_interrupt, 0,
		    nmi_interrupt, 6000	/* Hz */
		}
	},
	60, DEFAULT_REAL_60HZ_VBLANK_DURATION,  /* frames per second, vblank duration */
	100, /* We really need heavy synching among the processors */
	0,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	256+8, 256+8*2,
	kingobox_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	generic_vh_start,
	generic_vh_stop,
	kingobox_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		},
		{
			SOUND_DAC,
			&dac_interface
		}
	}
};


/* Ring King */
static struct MachineDriver rk_machine_driver =
{
	/* basic machine hardware */
	{
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    0,
		    rk_main_readmem, rk_main_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    3,
		    rk_video_readmem, rk_video_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80,
		    4000000,        /* 4.0 Mhz */
		    4,
		    rk_sprite_readmem, rk_sprite_writemem,0,0,
		    kingobox_interrupt,1
		},
		{
		    CPU_Z80 | CPU_AUDIO_CPU,
		    4000000,        /* 4.0 Mhz */
		    5,
		    sound_readmem, sound_writemem,rk_sound_readport,rk_sound_writeport,
		    ignore_interrupt, 0,
		    nmi_interrupt, 6000	/* Hz */
		}
	},
	60, DEFAULT_REAL_60HZ_VBLANK_DURATION,  /* frames per second, vblank duration */
	100, /* We really need heavy synching among the processors */
	0,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	rk_gfxdecodeinfo,
	256+8, 256+8*2,
	ringking_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	generic_vh_start,
	generic_vh_stop,
	ringking_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		},
		{
			SOUND_DAC,
			&dac_interface
		}
	}
};


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

  Game driver(s)

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

ROM_START( kingofb )
	ROM_REGION(0x10000)     /* 64k for code */
	ROM_LOAD( "d09_22.bin",   0x00000, 0x4000, 0x6220bfa2 )
	ROM_LOAD( "e09_23.bin",   0x04000, 0x4000, 0x5782fdd8 )

	ROM_REGION_DISPOSE(0x26000)     /* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "vd15_13.bin",  0x00000, 0x2000, 0xe36d4f4f ) /* characters */
	/* sprites (top) */
	ROM_LOAD( "vb01_01.bin",  0x02000, 0x4000, 0xce6580af ) /* plane 0 */
	ROM_LOAD( "vb04_03.bin",  0x06000, 0x4000, 0xcf74ea50 ) /* plane 1 */
	ROM_LOAD( "vb07_05.bin",  0x0a000, 0x4000, 0xd8b53975 ) /* plane 2 */
    /* sprites (bottom) */
	ROM_LOAD( "vb03_02.bin",  0x0e000, 0x4000, 0x4ab506d2 ) /* plane 0 */
	ROM_LOAD( "vb05_04.bin",  0x12000, 0x4000, 0xecf95a2c ) /* plane 1 */
	ROM_LOAD( "vb08_06.bin",  0x16000, 0x4000, 0x8200cb2b ) /* plane 2 */
    /* tiles (top) */
	ROM_LOAD( "vd01_07.bin",  0x1a000, 0x2000, 0x3d472a22 ) /* plane 0 */
	ROM_LOAD( "vd04_09.bin",  0x1c000, 0x2000, 0xcc002ea9 ) /* plane 1 */
	ROM_LOAD( "vd07_11.bin",  0x1e000, 0x2000, 0x23c1b3ee ) /* plane 2 */
	/* tiles (bottom) */
	ROM_LOAD( "vd03_08.bin",  0x20000, 0x2000, 0xd6b1b8fe ) /* plane 0 */
	ROM_LOAD( "vd05_10.bin",  0x22000, 0x2000, 0xfce71e5a ) /* plane 1 */
	ROM_LOAD( "vd08_12.bin",  0x24000, 0x2000, 0x3f68b991 ) /* plane 2 */

	ROM_REGIONX( 0x0300, REGION_PROMS )
	ROM_LOAD( "vb14_col.bin", 0x0000, 0x0100, 0xc58e5121 )	/* red component */
	ROM_LOAD( "vb15_col.bin", 0x0100, 0x0100, 0x5ab06f25 )	/* green component */
	ROM_LOAD( "vb16_col.bin", 0x0200, 0x0100, 0x1171743f )	/* blue component */

	ROM_REGION(0x10000)     /* 64k for the video cpu */
	ROM_LOAD( "b09_21.bin",   0x00000, 0x4000, 0x3fb39489 )

	ROM_REGION(0x10000)     /* 64k for the sprite cpu */
	ROM_LOAD( "j09_dcr.bin",  0x00000, 0x2000, 0x379f4f84 )

	ROM_REGION(0x10000)     /* 64k for the audio cpu */
	ROM_LOAD( "f05_18.bin",   0x00000, 0x4000, 0xc057e28e )
	ROM_LOAD( "h05_19.bin",   0x04000, 0x4000, 0x060253dd )
	ROM_LOAD( "j05_20.bin",   0x08000, 0x4000, 0x64c137a4 )
ROM_END

/* Ring King */
ROM_START( ringking )
	ROM_REGION(0x10000)     /* 64k for code */
	ROM_LOAD( "cx13.9f",      0x00000, 0x8000, 0x93e38c02 )
	ROM_LOAD( "cx14.11f",     0x08000, 0x4000, 0xa435acb0 )

	ROM_REGION_DISPOSE(0x2e000)     /* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "cx08.13b",     0x00000, 0x2000, 0xdbd7c1c2 )	/* characters */
	ROM_LOAD( "cx03.9j",      0x02000, 0x4000, 0x682fd1c4 )	/* sprites */
	ROM_LOAD( "cx01.7j",      0x06000, 0x4000, 0x85130b46 )
	ROM_LOAD( "cx05.12j",     0x0a000, 0x4000, 0xf7c4f3dc )
	ROM_LOAD( "cx04.11j",     0x0e000, 0x8000, 0x506a2ed9 )
	ROM_LOAD( "cx02.8j",      0x16000, 0x8000, 0x009dde6a )
	ROM_LOAD( "cx06.13j",     0x1e000, 0x8000, 0xd819a3b2 )
	ROM_LOAD( "cx09.17d",     0x26000, 0x4000, 0x37a082cf )	/* tiles */
	ROM_LOAD( "cx10.17e",     0x2a000, 0x4000, 0xab9446c5 )

	ROM_REGIONX( 0x0200, REGION_PROMS )
	ROM_LOAD( "82s135.2a",    0x0000, 0x0100, 0x0e723a83 )	/* red and green component */
	ROM_LOAD( "82s129.1a",    0x0100, 0x0100, 0xd345cbb3 )	/* blue component */

	ROM_REGION(0x10000)     /* 64k for the video cpu */
	ROM_LOAD( "cx07.10c",     0x00000, 0x4000, 0x9f074746 )

	ROM_REGION(0x10000)     /* 64k for the sprite cpu */
	ROM_LOAD( "cx00.4c",      0x00000, 0x2000, 0x880b8aa7 )

	ROM_REGION(0x10000)     /* 64k for the audio cpu */
	ROM_LOAD( "cx12.4ef",     0x00000, 0x8000, 0x1d5d6c6b )
	ROM_LOAD( "j05_20.bin",   0x08000, 0x4000, 0x64c137a4 )
ROM_END

ROM_START( ringkin2 )
	ROM_REGION(0x10000)     /* 64k for code */
	ROM_LOAD( "rkngm1.bin",   0x00000, 0x8000, 0x086921ea )
	ROM_LOAD( "rkngm2.bin",   0x08000, 0x4000, 0xc0b636a4 )

	ROM_REGION_DISPOSE(0x2e000)     /* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "cx08.13b",     0x00000, 0x2000, 0xdbd7c1c2 )	/* characters */
	ROM_LOAD( "cx03.9j",      0x02000, 0x4000, 0x682fd1c4 )	/* sprites */
	ROM_LOAD( "cx01.7j",      0x06000, 0x4000, 0x85130b46 )
	ROM_LOAD( "cx05.12j",     0x0a000, 0x4000, 0xf7c4f3dc )
	ROM_LOAD( "cx04.11j",     0x0e000, 0x8000, 0x506a2ed9 )
	ROM_LOAD( "cx02.8j",      0x16000, 0x8000, 0x009dde6a )
	ROM_LOAD( "cx06.13j",     0x1e000, 0x8000, 0xd819a3b2 )
	ROM_LOAD( "cx09.17d",     0x26000, 0x4000, 0x37a082cf )	/* tiles */
	ROM_LOAD( "cx10.17e",     0x2a000, 0x4000, 0xab9446c5 )

	ROM_REGIONX( 0x0200, REGION_PROMS )
	ROM_LOAD( "82s135.2a",    0x0000, 0x0100, 0x0e723a83 )	/* red and green component */
	ROM_LOAD( "82s129.1a",    0x0100, 0x0100, 0xd345cbb3 )	/* blue component */

	ROM_REGION(0x10000)     /* 64k for the video cpu */
	ROM_LOAD( "rkngtram.bin", 0x00000, 0x4000, 0xd9dc1a0a )

	ROM_REGION(0x10000)     /* 64k for the sprite cpu */
	ROM_LOAD( "cx00.4c",      0x00000, 0x2000, 0x880b8aa7 )

	ROM_REGION(0x10000)     /* 64k for the audio cpu */
	ROM_LOAD( "cx12.4ef",     0x00000, 0x8000, 0x1d5d6c6b )
	ROM_LOAD( "j05_20.bin",   0x08000, 0x4000, 0x64c137a4 )
ROM_END

ROM_START( ringkin3 )
	ROM_REGION(0x10000)     /* 64k for code */
	ROM_LOAD( "14.9d",        0x00000, 0x4000, 0x63627b8b )
	ROM_LOAD( "15.9e",        0x04000, 0x4000, 0xe7557489 )
	ROM_LOAD( "16.9f",        0x08000, 0x4000, 0xa3b3bb16 )

	ROM_REGION_DISPOSE(0x26000)     /* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "12.15d",       0x00000, 0x2000, 0x988a77bf ) /* characters (Japanese) */
	/* sprites (top) */
	ROM_LOAD( "vb01_01.bin",  0x02000, 0x4000, 0xce6580af ) /* plane 0 */
	ROM_LOAD( "vb04_03.bin",  0x06000, 0x4000, 0xcf74ea50 ) /* plane 1 */
	ROM_LOAD( "vb07_05.bin",  0x0a000, 0x4000, 0xd8b53975 ) /* plane 2 */
    /* sprites (bottom) */
	ROM_LOAD( "vb03_02.bin",  0x0e000, 0x4000, 0x4ab506d2 ) /* plane 0 */
	ROM_LOAD( "vb05_04.bin",  0x12000, 0x4000, 0xecf95a2c ) /* plane 1 */
	ROM_LOAD( "vb08_06.bin",  0x16000, 0x4000, 0x8200cb2b ) /* plane 2 */
    /* tiles (top) */
	ROM_LOAD( "7.1d",         0x1a000, 0x2000, 0x019a88b0 ) /* plane 0 */
	ROM_LOAD( "9.4d",         0x1c000, 0x2000, 0xbfdc741a ) /* plane 1 */
	ROM_LOAD( "11.7d",        0x1e000, 0x2000, 0x3cc7bdc5 ) /* plane 2 */
	/* tiles (bottom) */
	ROM_LOAD( "8.3d",         0x20000, 0x2000, 0x65f1281b ) /* plane 0 */
	ROM_LOAD( "10.5d",        0x22000, 0x2000, 0xaf5013e7 ) /* plane 1 */
	ROM_LOAD( "12.8d",        0x24000, 0x2000, 0x00000000 ) /* plane 2 */

	ROM_REGIONX( 0x0300, REGION_PROMS )
	/* we load the ringking PROMs and then expand the first to look like the kingobox ones... */
	ROM_LOAD( "82s135.2a",    0x0100, 0x0100, 0x0e723a83 )	/* red and green component */
	ROM_LOAD( "82s129.1a",    0x0200, 0x0100, 0xd345cbb3 )	/* blue component */

	ROM_REGION(0x10000)     /* 64k for the video cpu */
	ROM_LOAD( "13.9b",        0x00000, 0x4000, 0xf33f94a2 )

	ROM_REGION(0x10000)     /* 64k for the sprite cpu */
	ROM_LOAD( "j09_dcr.bin",  0x00000, 0x2000, 0x379f4f84 )

	ROM_REGION(0x10000)     /* 64k for the audio cpu */
	ROM_LOAD( "f05_18.bin",   0x00000, 0x4000, 0xc057e28e )
	ROM_LOAD( "h05_19.bin",   0x04000, 0x4000, 0x060253dd )
	ROM_LOAD( "j05_20.bin",   0x08000, 0x4000, 0x64c137a4 )
ROM_END

static void ringkin3_expand_color_prom(void)
{
	int i;
	unsigned char *RAM = Machine->memory_region[2];

	/* expand the first color PROM to look like the kingobox ones... */
	for (i = 0;i < 0x100;i++)
		RAM[i] = RAM[i + 0x100] >> 4;
}


static int kingofb_hiload(void)
{
	unsigned char *RAM1 = memory_region(Machine->drv->cpu[0].memory_region);
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);


	if  (memcmp(&RAM2[0x8048],"\x00\x15\x00",3) == 0 &&
    	 memcmp(&RAM2[0x80D1],"\x10\x11\x12",3) == 0 &&
		 memcmp(&RAM1[0xc22b],"\x03\x00\x05\x00\x00\x00",6) == 0)
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM2[0x8048],140);
			osd_fclose(f);

			RAM1[0xc22a]=(RAM2[0x8063] >> 4 );
			RAM1[0xc22b]=(RAM2[0x8063] & 0x0f );
			RAM1[0xc22c]=(RAM2[0x8064] >> 4 );
			RAM1[0xc22d]=(RAM2[0x8064] & 0x0f );



		}

		return 1;
	}
	else return 0;   /* we can't load the hi scores yet */
}

static void kingofb_hisave(void)
{
	void *f;
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);
	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{
		osd_fwrite(f,&RAM2[0x8048],140);
		osd_fclose(f);
	}
}


static int ringking_hiload(void)
{
	unsigned char *RAM1 = memory_region(Machine->drv->cpu[0].memory_region);
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);


	if  (memcmp(&RAM2[0x8049],"\x00\x15\x00",3) == 0 &&
		 memcmp(&RAM2[0x80D2],"\x10\x11\x12",3) == 0 &&
		 memcmp(&RAM1[0xc23c],"\x03\x00\x05\x00\x00\x00",6) == 0 )
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{

			osd_fread(f,&RAM2[0x8049],140);
			osd_fclose(f);


			RAM1[0xc23b]=(RAM2[0x8064] >> 4 );
			RAM1[0xc23c]=(RAM2[0x8064] & 0x0f );
			RAM1[0xc23d]=(RAM2[0x8065] >> 4 );
			RAM1[0xc23e]=(RAM2[0x8065] & 0x0f );



		}

		return 1;
	}
	else return 0;   /* we can't load the hi scores yet */
}

static void ringking_hisave(void)
{
	void *f;
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);



	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{

		osd_fwrite(f,&RAM2[0x8049],140);
		osd_fclose(f);
	}
}


static int ringkin2_hiload(void)
{
	unsigned char *RAM1 = memory_region(Machine->drv->cpu[0].memory_region);
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);


	if  (memcmp(&RAM2[0x8048],"\x00\x15\x00",3) == 0 &&
    	 memcmp(&RAM2[0x80D1],"\x10\x11\x12",3) == 0 &&
		 memcmp(&RAM1[0xc235],"\x03\x00\x05\x00\x00\x00",6) == 0)
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{


			osd_fread(f,&RAM2[0x8048],140);
			osd_fclose(f);

			RAM1[0xc234]=(RAM2[0x8063] >> 4 );
			RAM1[0xc235]=(RAM2[0x8063] & 0x0f );
			RAM1[0xc236]=(RAM2[0x8064] >> 4 );
			RAM1[0xc237]=(RAM2[0x8064] & 0x0f );

		}

		return 1;
	}
	else return 0;   /* we can't load the hi scores yet */
}

static void ringkin2_hisave(void)
{
	void *f;
	unsigned char *RAM2 = memory_region(Machine->drv->cpu[1].memory_region);
	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{

		osd_fwrite(f,&RAM2[0x8048],140);
		osd_fclose(f);
	}
}





struct GameDriver driver_kingofb =
{
	__FILE__,
	0,
	"kingofb",
	"King of Boxer (English)",
	"1985",
	"Woodplace Inc.",
	"Ernesto Corvi\nPhil Stroffolino\nNicola Salmoria",
	0,
	&machine_driver,
	0,

	rom_kingofb,
	0, 0,
	0,
	0,

	input_ports_kingofb,

	0, 0, 0,
	ORIENTATION_ROTATE_90,

	kingofb_hiload, kingofb_hisave
};

/* Ring King */
struct GameDriver driver_ringking =
{
	__FILE__,
	&driver_kingofb,
	"ringking",
	"Ring King (set 1)",
	"1985",
	"Data East USA",
	"Ernesto Corvi\nPhil Stroffolino\nNicola Salmoria",
	0,
	&rk_machine_driver,
	0,

	rom_ringking,
	0, 0,
	0,
	0,

	input_ports_ringking,

	0, 0, 0,
	ORIENTATION_ROTATE_90,

	ringking_hiload, ringking_hisave
};

struct GameDriver driver_ringkin2 =
{
	__FILE__,
	&driver_kingofb,
	"ringkin2",
	"Ring King (set 2)",
	"1985",
	"????",
	"Ernesto Corvi\nPhil Stroffolino\nNicola Salmoria",
	0,
	&rk_machine_driver,
	0,

	rom_ringkin2,
	0, 0,
	0,
	0,

	input_ports_kingofb,

	0, 0, 0,
	ORIENTATION_ROTATE_90 | GAME_NOT_WORKING,

	ringking_hiload, ringking_hisave
};

struct GameDriver driver_ringkin3 =
{
	__FILE__,
	&driver_kingofb,
	"ringkin3",
	"Ring King (set 3)",
	"1985",
	"Data East USA",
	"Ernesto Corvi\nPhil Stroffolino\nNicola Salmoria",
	0,
	&machine_driver,
	0,

	rom_ringkin3,
	ringkin3_expand_color_prom, 0,
	0,
	0,

	input_ports_kingofb,

	0, 0, 0,
	ORIENTATION_ROTATE_90,

	ringkin2_hiload, ringkin2_hisave
};
