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

Legend of Kage
(C)1985 Taito
CPU: Z80 (x2), MC68705
Sound: YM2203 (x2)

Phil Stroffolino
pjstroff@hotmail.com

Known issues:

SOUND: lots of unknown writes to the YM2203 I/O ports
MCU (used by original version): not hooked up

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

#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/z80/z80.h"
#include "cpu/m6805/m6805.h"

#define MEM_CPU_MAIN	0
#define MEM_DATA		1
#define MEM_CPU_SOUND	2
#define MEM_GFX			3
#define MEM_MCU			4

#define CREDITS "Phil Stroffolino"

extern unsigned char *lkage_scroll, *lkage_vreg;
extern void lkage_videoram_w( int offset, int data );
extern int lkage_vh_start(void);
extern void lkage_vh_stop(void);
extern void lkage_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);

static int sound_nmi_enable,pending_nmi;

static void nmi_callback(int param){
	if (sound_nmi_enable) cpu_cause_interrupt(1,Z80_NMI_INT);
	else pending_nmi = 1;
}

void lkage_sound_command_w(int offset,int data){
	soundlatch_w(offset,data);
	timer_set(TIME_NOW,data,nmi_callback);
}

void lkage_sh_nmi_disable_w(int offset,int data){
	sound_nmi_enable = 0;
}

void lkage_sh_nmi_enable_w(int offset,int data){
	sound_nmi_enable = 1;
	if (pending_nmi){ /* probably wrong but commands may go lost otherwise */
		cpu_cause_interrupt(1,Z80_NMI_INT);
		pending_nmi = 0;
	}
}

static void irqhandler(int irq){
	cpu_set_irq_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}

static struct YM2203interface ym2203_interface = {
	2,          /* 2 chips */
	4000000,    /* 4 MHz ? (hand tuned) */
	{ YM2203_VOL(19,19), YM2203_VOL(19,19) },
	AY8910_DEFAULT_GAIN,
	{ 0 },
	{ 0 },
	{ 0 },
	{ 0 },
	{ irqhandler }
};

static int status_r(int offset){
	return 0x3;
}

static int unknown0_r( int offset ){
	return 0x00;
}

static struct MemoryReadAddress readmem[] = {
	{ 0x0000, 0xdfff, MRA_ROM },
	{ 0xe000, 0xe7ff, MRA_RAM },
	{ 0xe800, 0xefff, paletteram_r },
	{ 0xf000, 0xf003, MRA_RAM },
	{ 0xf062, 0xf062, unknown0_r }, /* unknown */
	{ 0xf080, 0xf080, input_port_0_r }, /* DSW1 */
	{ 0xf081, 0xf081, input_port_1_r }, /* DSW2 (coinage) */
	{ 0xf082, 0xf082, input_port_2_r }, /* DSW3 */
	{ 0xf083, 0xf083, input_port_3_r },	/* start buttons, insert coin, tilt */
	{ 0xf084, 0xf084, input_port_4_r },	/* P1 controls */
	{ 0xf084, 0xf084, input_port_5_r },	/* P2 controls */
	{ 0xf087, 0xf087, status_r }, /* MCU? */
	{ 0xf0a3, 0xf0a3, unknown0_r }, /* unknown */
	{ 0xf0c0, 0xf0c5, MRA_RAM },
	{ 0xf100, 0xf15f, MRA_RAM },
	{ 0xf400, 0xffff, MRA_RAM },
	{ -1 }
};

static struct MemoryWriteAddress writemem[] = {
	{ 0x0000, 0xdfff, MWA_ROM },
	{ 0xe000, 0xe7ff, MWA_RAM },
	{ 0xe800, 0xefff, MWA_RAM, &paletteram },
//	paletteram_xxxxRRRRGGGGBBBB_w, &paletteram },
	{ 0xf000, 0xf003, MWA_RAM, &lkage_vreg }, /* video registers */
	{ 0xf060, 0xf060, lkage_sound_command_w },
	{ 0xf061, 0xf063, MWA_NOP }, /* unknown */
	{ 0xf0a2, 0xf0a3, MWA_NOP }, /* unknown */
	{ 0xf0c0, 0xf0c5, MWA_RAM, &lkage_scroll }, /* scrolling */
	{ 0xf0e1, 0xf0e1, MWA_NOP }, /* unknown */
	{ 0xf100, 0xf15f, MWA_RAM, &spriteram }, /* spriteram */
	{ 0xf400, 0xffff, lkage_videoram_w, &videoram }, /* videoram */
	{ -1 }
};

static int port_fetch_r( int offset )
{
	return Machine->memory_region[MEM_DATA][offset];
}

static struct IOReadPort readport[] = {
	{ 0x4000, 0x7fff, port_fetch_r },
	{ -1 }
};

#if 0
static struct MemoryReadAddress m68705_readmem[] = {
	{ 0x0010, 0x007f, MRA_RAM },
	{ 0x0080, 0x07ff, MRA_ROM },
	{ -1 }
};

static struct MemoryWriteAddress m68705_writemem[] = {
	{ 0x0010, 0x007f, MWA_RAM },
	{ 0x0080, 0x07ff, MWA_ROM },
	{ -1 }
};
#endif

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

/* sound section is almost identical to Bubble Bobble, YM2203 instead of YM3526 */

static struct MemoryReadAddress readmem_sound[] =
{
	{ 0x0000, 0x7fff, MRA_ROM },
	{ 0x8000, 0x87ff, MRA_RAM },
	{ 0x9000, 0x9000, YM2203_status_port_0_r },
	{ 0xa000, 0xa000, YM2203_status_port_1_r },
	{ 0xb000, 0xb000, soundlatch_r },
	{ 0xb001, 0xb001, MRA_NOP },	/* ??? */
	{ 0xe000, 0xefff, MRA_ROM },	/* space for diagnostic ROM? */
	{ -1 }
};

static struct MemoryWriteAddress writemem_sound[] =
{
	{ 0x0000, 0x7fff, MWA_ROM },
	{ 0x8000, 0x87ff, MWA_RAM },
	{ 0x9000, 0x9000, YM2203_control_port_0_w },
	{ 0x9001, 0x9001, YM2203_write_port_0_w },
	{ 0xa000, 0xa000, YM2203_control_port_1_w },
	{ 0xa001, 0xa001, YM2203_write_port_1_w },
	{ 0xb000, 0xb000, MWA_NOP },	/* ??? */
	{ 0xb001, 0xb001, lkage_sh_nmi_enable_w },
	{ 0xb002, 0xb002, lkage_sh_nmi_disable_w },
	{ 0xe000, 0xefff, MWA_ROM },	/* space for diagnostic ROM? */
	{ -1 }
};

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

INPUT_PORTS_START( lkage )
	PORT_START      /* DSW1 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x03, "10000" ) /* unconfirmed */
	PORT_DIPSETTING(    0x02, "15000" ) /* unconfirmed */
	PORT_DIPSETTING(    0x01, "20000" ) /* unconfirmed */
	PORT_DIPSETTING(    0x00, "24000" ) /* unconfirmed */
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Free_Play ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x18, "3" )
	PORT_DIPSETTING(    0x10, "4" )
	PORT_DIPSETTING(    0x08, "5" )
	PORT_BITX(0,  0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "255", IP_KEY_NONE, IP_JOY_NONE )
	PORT_DIPNAME( 0x20, 0x20, "Unknown DSW A 6" )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Flip_Screen ) ) /* unconfirmed */
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) ) /* unconfirmed */
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Cocktail ) )

	PORT_START      /* DSW2 */
	PORT_DIPNAME( 0x0f, 0x00, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, 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_DIPSETTING(    0x05, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 1C_8C ) )
	PORT_DIPNAME( 0xf0, 0x00, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 1C_8C ) )

	PORT_START      /* DSW3 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x03, "Easiest" ) /* unconfirmed */
	PORT_DIPSETTING(    0x02, "Easy" )    /* unconfirmed */
	PORT_DIPSETTING(    0x01, "Normal" )  /* unconfirmed */
	PORT_DIPSETTING(    0x00, "Hard" )    /* unconfirmed */
	PORT_DIPNAME( 0x04, 0x04, "Unknown DSW C 3" )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, "Unknown DSW C 4" )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, "Coinage Display" )
	PORT_DIPSETTING(    0x10, "Coins/Credits" )
	PORT_DIPSETTING(    0x00, "Insert Coin" )
	PORT_DIPNAME( 0x20, 0x20, "Year Display" )
	PORT_DIPSETTING(    0x00, "Normal" )
	PORT_DIPSETTING(    0x20, "Roman Numerals" )
	PORT_BITX(    0x40, 0x40, IPT_DIPSWITCH_NAME | IPF_CHEAT, "Invulnerability", IP_KEY_NONE, IP_JOY_NONE )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Coin Slots" )
	PORT_DIPSETTING(    0x80, "A and B" )
	PORT_DIPSETTING(    0x00, "A only" )

	PORT_START      /* Service */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START      /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP    | IPF_8WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START      /* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP    | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

INPUT_PORTS_END

static struct GfxLayout tile_layout = {
	8,8,	/* 8x8 characters */
	256,	/* number of characters */
	4,		/* 4 bits per pixel */
	{ 1*0x20000,0*0x20000,3*0x20000,2*0x20000 },
	{ 7,6,5,4,3,2,1,0 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	64 /* offset to next character */
};

static struct GfxLayout sprite_layout = {
	16,16,	/* sprite size */
	384,	/* number of sprites */
	4,		/* bits per pixel */
	{ 1*0x20000,0*0x20000,3*0x20000,2*0x20000 }, /* plane offsets */
	{ /* x offsets */
		7,6,5,4,3,2,1,0,
		64+7,64+6,64+5,64+4,64+3,64+2,64+1,64
	},
	{ /* y offsets */
		0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
		128+0*8, 128+1*8, 128+2*8, 128+3*8, 128+4*8, 128+5*8, 128+6*8, 128+7*8 },
	256 /* offset to next sprite */
};

static struct GfxDecodeInfo gfxdecodeinfo[] = {
	{ MEM_GFX, 0x0000, 		&tile_layout,	 128, 3 },
	{ MEM_GFX, 0x0800, 		&tile_layout,	 128, 3 },
	{ MEM_GFX, 0x0800*5,	&tile_layout,	 128, 3 },
	{ MEM_GFX, 0x1000, 		&sprite_layout,	 0, 8 },
	{ -1 }
};

static struct MachineDriver machine_driver = {
	{
		{
			CPU_Z80 | CPU_16BIT_PORT,
			6000000,	/* ??? */
			MEM_CPU_MAIN,
			readmem,writemem,readport,0,
			interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			6000000,	/* ??? */
			MEM_CPU_SOUND,
			readmem_sound,writemem_sound,0,0,
			ignore_interrupt,0	/* NMIs are triggered by the main CPU */
								/* IRQs are triggered by the YM2203 */
		},
//		{
//			CPU_M68705,
//			4000000/2,	/* ??? */
//			MEM_MCU,
//			m68705_readmem,m68705_writemem,0,0,
//			ignore_interrupt,1
//		},
	},
	60,DEFAULT_REAL_60HZ_VBLANK_DURATION,
	1, /* CPU slices */
	0, /* init machine */

	/* video hardware */
	32*8, 32*8, { 1*8, 31*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	176,176,
		/*
			there are actually 1024 colors in paletteram, however, we use a 100% correct
			reduced "virtual palette" to achieve some optimizations in the video driver.
		*/
	0,
	VIDEO_TYPE_RASTER | VIDEO_MODIFIES_PALETTE,
	0,
	lkage_vh_start,
	lkage_vh_stop,
	lkage_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_YM2203,
			&ym2203_interface
		}
	}
};

ROM_START( lkage )
	ROM_REGION( 0x14000 ) /* Z80 code (main CPU) */
	ROM_LOAD( "a54-01-1.37", 0x00000, 0x8000, 0x973da9c5 )
	ROM_LOAD( "a54-02-1.38", 0x08000, 0x8000, 0x27b509da )

	ROM_REGION( 0x4000 ) /* data */
	ROM_LOAD( "a54-03.51",   0x00000, 0x4000, 0x493e76d8 )

	ROM_REGION( 0x10000 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54",   0x00000, 0x8000, 0x541faf9a )

	ROM_REGION_DISPOSE( 0x10000 ) /* GFX: tiles & sprites */
	ROM_LOAD( "a54-05-1.84", 0x00000, 0x4000, 0x0033c06a )
	ROM_LOAD( "a54-06-1.85", 0x04000, 0x4000, 0x9f04d9ad )
	ROM_LOAD( "a54-07-1.86", 0x08000, 0x4000, 0xb20561a4 )
	ROM_LOAD( "a54-08-1.87", 0x0c000, 0x4000, 0x3ff3b230 )

	ROM_REGION( 0x10000 ) /* 68705 MCU code */
	ROM_LOAD( "a54-09.53",   0x00000, 0x0800, 0x0e8b8846 )
ROM_END

ROM_START( lkageb )
	ROM_REGION( 0x10000 ) /* Z80 code (main CPU) */
	ROM_LOAD( "lok.a",     0x0000, 0x8000, 0x866df793 )
	ROM_LOAD( "lok.b",     0x8000, 0x8000, 0xfba9400f )

	ROM_REGION( 0x4000 ) /* data */
	ROM_LOAD( "a54-03.51", 0x0000, 0x4000, 0x493e76d8 ) // LOK.C

	ROM_REGION( 0x10000 ) /* Z80 code (sound CPU) */
	ROM_LOAD( "a54-04.54", 0x0000, 0x8000, 0x541faf9a ) // LOK.D

	ROM_REGION_DISPOSE( 0x10000 ) /* GFX: tiles & sprites */
	ROM_LOAD( "lok.f",     0x0000, 0x4000, 0x76753e52 )
	ROM_LOAD( "lok.e",     0x4000, 0x4000, 0xf33c015c )
	ROM_LOAD( "lok.h",     0x8000, 0x4000, 0x0e02c2e8 )
	ROM_LOAD( "lok.g",     0xc000, 0x4000, 0x4ef5f073 )

	ROM_REGION( 0x100 ) /* fake */
ROM_END

/****  Legend of Kage high score save routine - RJF (July 29, 1999)  ****/
static int hiload(void)
{
	unsigned char *RAM = memory_region(Machine->drv->cpu[0].memory_region);

	/* check if the hi score table has already been initialized */
        if (memcmp(&RAM[0xe287],"\x4b\x21\x53",3) == 0)
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
                        osd_fread(f,&RAM[0xe25f], 10*4);        /* HS values */
                        osd_fread(f,&RAM[0xe287], 10*10);       /* HS initials */

                        RAM[0xe188] = RAM[0xe260];      /* update high score */
                        RAM[0xe189] = RAM[0xe261];      /* on top of screen */
                        RAM[0xe18a] = RAM[0xe262];

			osd_fclose(f);
		}

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

static void hisave(void)
{
	void *f;
	unsigned char *RAM = memory_region(Machine->drv->cpu[0].memory_region);

	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{
                osd_fwrite(f,&RAM[0xe25f], 10*14);       /* HS whole table */
		osd_fclose(f);
	}
}

/** Legend of Kage (bootleg) high score save routine - RJF (July 30, 1999) **/
static int lkageb_hiload(void)
{
	unsigned char *RAM = memory_region(Machine->drv->cpu[0].memory_region);

	/* check if the hi score table has already been initialized */
        if (memcmp(&RAM[0xe287],"\x4b\x21\x53",3) == 0)
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
                        osd_fread(f,&RAM[0xe25f], 10*4);        /* HS values */
                        osd_fread(f,&RAM[0xe287], 10*10);       /* HS initials */

                        /* update high score on top of screen */

                        RAM[0xe188] = RAM[0xe260] << 4;
                        RAM[0xe189] = (RAM[0xe261] << 4) + (RAM[0xe260] >> 4);
                        RAM[0xe18a] = (RAM[0xe262] << 4) + (RAM[0xe261] >> 4);

			osd_fclose(f);
		}

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


struct GameDriver driver_lkage = {
	__FILE__,
	0,
	"lkage",
	"The Legend of Kage",
	"1984",
	"Taito Corporation",
	CREDITS,
	0, // MCU not hooked up
	&machine_driver,
	0,

	rom_lkage,
	0,
	0,
	0,
	0,

	input_ports_lkage,

	0, 0, 0,
	ORIENTATION_DEFAULT,

	hiload, hisave
};

struct GameDriver driver_lkageb = {
	__FILE__,
	&driver_lkage,
	"lkageb",
	"The Legend of Kage (bootleg)",
	"1984",
	"bootleg",
	CREDITS,
	0,
	&machine_driver,
	0,

	rom_lkageb,
	0,
	0,
	0,
	0,

	input_ports_lkage,

	0, 0, 0,
	ORIENTATION_DEFAULT,

	lkageb_hiload, hisave
};
