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

    Game Driver for Video System Mahjong series.

    Taisen Idol-Mahjong Final Romance 2 (Japan)
    (c)1995 Video System Co.,Ltd.

    Taisen Mahjong FinalRomance R (Japan)
    (c)1995 Video System Co.,Ltd.

    Taisen Mahjong FinalRomance 4 (Japan)
    (c)1998 Video System Co.,Ltd.

    Driver by Takahiro Nogi <nogi@kt.rim.or.jp> 2001/02/28 -
    Special thanks to Uki.

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

Memo:

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

#include "driver.h"
#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "vidhrdw/generic.h"
#include "machine/eeprom.h"
#include "sound/2610intf.h"


VIDEO_UPDATE( fromanc2 );
VIDEO_START( fromanc2 );
VIDEO_START( fromancr );
VIDEO_START( fromanc4 );

READ16_HANDLER( fromanc2_paletteram_0_r );
READ16_HANDLER( fromanc2_paletteram_1_r );
WRITE16_HANDLER( fromanc2_paletteram_0_w );
WRITE16_HANDLER( fromanc2_paletteram_1_w );
READ16_HANDLER( fromancr_paletteram_0_r );
READ16_HANDLER( fromancr_paletteram_1_r );
WRITE16_HANDLER( fromancr_paletteram_0_w );
WRITE16_HANDLER( fromancr_paletteram_1_w );
READ16_HANDLER( fromanc4_paletteram_0_r );
READ16_HANDLER( fromanc4_paletteram_1_r );
WRITE16_HANDLER( fromanc4_paletteram_0_w );
WRITE16_HANDLER( fromanc4_paletteram_1_w );
WRITE16_HANDLER( fromanc2_videoram_0_w );
WRITE16_HANDLER( fromanc2_videoram_1_w );
WRITE16_HANDLER( fromanc2_videoram_2_w );
WRITE16_HANDLER( fromanc2_videoram_3_w );
WRITE16_HANDLER( fromancr_videoram_0_w );
WRITE16_HANDLER( fromancr_videoram_1_w );
WRITE16_HANDLER( fromancr_videoram_2_w );
WRITE16_HANDLER( fromanc4_videoram_0_w );
WRITE16_HANDLER( fromanc4_videoram_1_w );
WRITE16_HANDLER( fromanc4_videoram_2_w );
WRITE16_HANDLER( fromanc2_gfxreg_0_w );
WRITE16_HANDLER( fromanc2_gfxreg_1_w );
WRITE16_HANDLER( fromanc2_gfxreg_2_w );
WRITE16_HANDLER( fromanc2_gfxreg_3_w );
WRITE16_HANDLER( fromancr_gfxreg_0_w );
WRITE16_HANDLER( fromancr_gfxreg_1_w );
WRITE16_HANDLER( fromanc2_gfxbank_0_w );
WRITE16_HANDLER( fromanc2_gfxbank_1_w );
void fromancr_gfxbank_w(int data);
WRITE16_HANDLER( fromanc4_gfxreg_0_w );
WRITE16_HANDLER( fromanc4_gfxreg_1_w );
WRITE16_HANDLER( fromanc4_gfxreg_2_w );

void fromanc2_set_dispvram_w(int vram);


static int fromanc2_playerside;
static int fromanc2_portselect;
static UINT16 fromanc2_datalatch1;
static UINT8 fromanc2_datalatch_2h, fromanc2_datalatch_2l;
static UINT8 fromanc2_subcpu_int_flag;
static UINT8 fromanc2_subcpu_nmi_flag;
static UINT8 fromanc2_sndcpu_nmi_flag;


/* ---------------------------------------------------------------------------- */
/*  MACHINE INITIALYZE */
/* ---------------------------------------------------------------------------- */

static MACHINE_INIT( fromanc2 )
{
	/* */
}

static MACHINE_INIT( fromancr )
{
	/* */
}

static MACHINE_INIT( fromanc4 )
{
	/* */
}


static DRIVER_INIT( fromanc2 )
{
	fromanc2_subcpu_nmi_flag = 1;
	fromanc2_subcpu_int_flag = 1;
	fromanc2_sndcpu_nmi_flag = 1;

	fromanc2_playerside = 0;
}

static DRIVER_INIT( fromancr )
{
	fromanc2_subcpu_nmi_flag = 1;
	fromanc2_subcpu_int_flag = 1;
	fromanc2_sndcpu_nmi_flag = 1;

	fromanc2_playerside = 0;
}

static DRIVER_INIT( fromanc4 )
{
	fromanc2_sndcpu_nmi_flag = 1;

	fromanc2_playerside = 0;
}


/* ---------------------------------------------------------------------------- */
/*  MAIN CPU Interrupt (fromanc2, fromancr, fromanc4)   TEST ROUTINE */
/* ---------------------------------------------------------------------------- */

static INTERRUPT_GEN( fromanc2_interrupt )
{
	static int fromanc2_playerside_old = -1;
	static int key_F1_old = 0;

	if (code_pressed(KEYCODE_F1)) {
		if (key_F1_old != 1) {
			key_F1_old = 1;
			fromanc2_playerside ^= 1;
		}
	} else key_F1_old = 0;

	if (fromanc2_playerside_old != fromanc2_playerside) {
		fromanc2_playerside_old = fromanc2_playerside;

		ui_popup("PLAYER-%01X SIDE", fromanc2_playerside + 1);

		if (!fromanc2_playerside) {
		sound_set_user_gain(1, 0.75); /* 1P (LEFT) */
		sound_set_user_gain(2, 0.00); /* 2P (RIGHT) */
		}
		else {
		sound_set_user_gain(1, 0.00); /* 1P (LEFT) */
		sound_set_user_gain(2, 0.75); /* 2P (RIGHT) */
		}

		fromanc2_set_dispvram_w(fromanc2_playerside);
	}

	cpunum_set_input_line(0, 1, HOLD_LINE);
}


/* ---------------------------------------------------------------------------- */
/*  Sound Command Interface (fromanc2, fromancr, fromanc4) */
/* ---------------------------------------------------------------------------- */

static WRITE16_HANDLER( fromanc2_sndcmd_w )
{
	soundlatch_w(offset, (data >> 8) & 0xff);	/* 1P (LEFT) */
	soundlatch2_w(offset, data & 0xff);			/* 2P (RIGHT) */

	cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE);
	fromanc2_sndcpu_nmi_flag = 0;
}

/* ---------------------------------------------------------------------------- */
/*  Input Port Interface (COIN, TEST, KEY MATRIX, EEPROM) */
/* ---------------------------------------------------------------------------- */

static WRITE16_HANDLER( fromanc2_portselect_w )
{
	fromanc2_portselect = data;
}

static READ16_HANDLER( fromanc2_keymatrix_r )
{
	UINT16 ret;

	switch (fromanc2_portselect) {
		case 0x01:	ret = readinputportbytag("IN1");	break;
		case 0x02:	ret = readinputportbytag("IN2"); break;
		case 0x04:	ret = readinputportbytag("IN3"); break;
		case 0x08:	ret = readinputportbytag("IN4"); break;
		default:	ret = 0xffff;
					logerror("PC:%08X unknown %02X\n", activecpu_get_pc(), fromanc2_portselect);
					break;
	}

	if (fromanc2_playerside) ret = ((ret & 0xff00) >> 8) | ((ret & 0x00ff) << 8);

	return ret;
}

static READ16_HANDLER( fromanc2_input_r )
{
	UINT16 cflag, coinsw, eeprom;

	cflag = (((fromanc2_subcpu_int_flag & 1) << 4) |
			 ((fromanc2_subcpu_nmi_flag & 1) << 6) |
			 ((fromanc2_sndcpu_nmi_flag & 1) << 5));
	eeprom = (EEPROM_read_bit() & 1) << 7;		/* EEPROM DATA */
	coinsw = readinputport(0) & 0x030f;			/* COIN, TEST */

	return (cflag | eeprom | coinsw);
}

static READ16_HANDLER( fromanc4_input_r )
{
	UINT16 cflag, coinsw, eeprom;

	cflag = (fromanc2_sndcpu_nmi_flag & 1) << 5;
	eeprom = (EEPROM_read_bit() & 1) << 7;		/* EEPROM DATA */
	coinsw = readinputport(0) & 0x001f;			/* COIN, TEST */

	return (cflag | eeprom | coinsw);
}

static WRITE16_HANDLER( fromanc2_eeprom_w )
{
	if (ACCESSING_MSB) {
		/* latch the bit */
		EEPROM_write_bit(data & 0x0100);

		/* reset line asserted: reset. */
		EEPROM_set_cs_line((data & 0x0400) ? CLEAR_LINE : ASSERT_LINE);

		/* clock line asserted: write latch or select next bit to read */
		EEPROM_set_clock_line((data & 0x0200) ? ASSERT_LINE : CLEAR_LINE);
	}
}

static WRITE16_HANDLER( fromancr_eeprom_w )
{
	if (ACCESSING_LSB) {
		fromancr_gfxbank_w(data & 0xfff8);

		/* latch the bit */
		EEPROM_write_bit(data & 0x0001);

		/* reset line asserted: reset. */
		EEPROM_set_cs_line((data & 0x0004) ? CLEAR_LINE : ASSERT_LINE);

		/* clock line asserted: write latch or select next bit to read */
		EEPROM_set_clock_line((data & 0x0002) ? ASSERT_LINE : CLEAR_LINE);
	}
}

static WRITE16_HANDLER( fromanc4_eeprom_w )
{
	if (ACCESSING_LSB) {
		/* latch the bit */
		EEPROM_write_bit(data & 0x0004);

		/* reset line asserted: reset. */
		EEPROM_set_cs_line((data & 0x0001) ? CLEAR_LINE : ASSERT_LINE);

		/* clock line asserted: write latch or select next bit to read */
		EEPROM_set_clock_line((data & 0x0002) ? ASSERT_LINE : CLEAR_LINE);
	}
}

/* ---------------------------------------------------------------------------- */
/*  MAIN CPU, SUB CPU Communication Interface (fromanc2, fromancr) */
/* ---------------------------------------------------------------------------- */

static WRITE16_HANDLER( fromanc2_subcpu_w )
{
	fromanc2_datalatch1 = data;

	cpunum_set_input_line(2, 0, HOLD_LINE);
	fromanc2_subcpu_int_flag = 0;
}

static READ16_HANDLER( fromanc2_subcpu_r )
{
	cpunum_set_input_line(2, INPUT_LINE_NMI, PULSE_LINE);
	fromanc2_subcpu_nmi_flag = 0;

	return (fromanc2_datalatch_2h << 8) | fromanc2_datalatch_2l;
}

static READ8_HANDLER( fromanc2_maincpu_r_l )
{
	return fromanc2_datalatch1 & 0x00ff;
}

static READ8_HANDLER( fromanc2_maincpu_r_h )
{
	fromanc2_subcpu_int_flag = 1;

	return (fromanc2_datalatch1 & 0xff00) >> 8;
}

static WRITE8_HANDLER( fromanc2_maincpu_w_l )
{
	fromanc2_datalatch_2l = data;
}

static WRITE8_HANDLER( fromanc2_maincpu_w_h )
{
	fromanc2_datalatch_2h = data;
}

static WRITE8_HANDLER( fromanc2_subcpu_nmi_clr )
{
	fromanc2_subcpu_nmi_flag = 1;
}

static READ8_HANDLER( fromanc2_sndcpu_nmi_clr )
{
	fromanc2_sndcpu_nmi_flag = 1;

	return 0xff;
}

static WRITE8_HANDLER( fromanc2_subcpu_rombank_w )
{
	UINT8 *RAM = memory_region(REGION_CPU3);
	int rombank = data & 0x03;
	int rambank = (data & 0x0c) >> 2;

	/* Change ROM BANK */
	memory_set_bankptr(1, &RAM[rombank * 0x4000]);

	/* Change RAM BANK */
	if (rambank != 0) memory_set_bankptr(2, &RAM[0x10000 + (rambank * 0x4000)]);
	else memory_set_bankptr(2, &RAM[0x8000]);
}


/* ---------------------------------------------------------------------------- */
/*  MAIN Program (fromanc2, fromancr, fromanc4) */
/* ---------------------------------------------------------------------------- */

static ADDRESS_MAP_START( fromanc2_readmem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM)				/* MAIN ROM */

	AM_RANGE(0x802000, 0x802fff) AM_READ(MRA16_NOP)				/* ??? */

	AM_RANGE(0xa00000, 0xa00fff) AM_READ(fromanc2_paletteram_0_r)/* PALETTE (1P) */
	AM_RANGE(0xa80000, 0xa80fff) AM_READ(fromanc2_paletteram_1_r)/* PALETTE (2P) */

	AM_RANGE(0xd01100, 0xd01101) AM_READ(fromanc2_input_r)		/* INPUT COMMON, EEPROM */
	AM_RANGE(0xd01300, 0xd01301) AM_READ(fromanc2_subcpu_r 	)	/* SUB CPU READ */
	AM_RANGE(0xd01800, 0xd01801) AM_READ(fromanc2_keymatrix_r)	/* INPUT KEY MATRIX */

	AM_RANGE(0xd80000, 0xd8ffff) AM_READ(MRA16_RAM)				/* WORK RAM */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_writemem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM)				/* MAIN ROM */

	AM_RANGE(0x800000, 0x803fff) AM_WRITE(fromanc2_videoram_0_w)	/* VRAM 0, 1 (1P) */
	AM_RANGE(0x880000, 0x883fff) AM_WRITE(fromanc2_videoram_1_w)	/* VRAM 2, 3 (1P) */
	AM_RANGE(0x900000, 0x903fff) AM_WRITE(fromanc2_videoram_2_w)	/* VRAM 0, 1 (2P) */
	AM_RANGE(0x980000, 0x983fff) AM_WRITE(fromanc2_videoram_3_w)	/* VRAM 2, 3 (2P) */

	AM_RANGE(0xa00000, 0xa00fff) AM_WRITE(fromanc2_paletteram_0_w)/* PALETTE (1P) */
	AM_RANGE(0xa80000, 0xa80fff) AM_WRITE(fromanc2_paletteram_1_w)/* PALETTE (2P) */

	AM_RANGE(0xd00000, 0xd00023) AM_WRITE(fromanc2_gfxreg_0_w)	/* SCROLL REG (1P/2P) */
	AM_RANGE(0xd00100, 0xd00123) AM_WRITE(fromanc2_gfxreg_2_w)	/* SCROLL REG (1P/2P) */
	AM_RANGE(0xd00200, 0xd00223) AM_WRITE(fromanc2_gfxreg_1_w)	/* SCROLL REG (1P/2P) */
	AM_RANGE(0xd00300, 0xd00323) AM_WRITE(fromanc2_gfxreg_3_w)	/* SCROLL REG (1P/2P) */

	AM_RANGE(0xd00400, 0xd00413) AM_WRITE(MWA16_NOP)				/* ??? */
	AM_RANGE(0xd00500, 0xd00513) AM_WRITE(MWA16_NOP)				/* ??? */

	AM_RANGE(0xd01000, 0xd01001) AM_WRITE(fromanc2_sndcmd_w)		/* SOUND REQ (1P/2P) */
	AM_RANGE(0xd01200, 0xd01201) AM_WRITE(fromanc2_subcpu_w)		/* SUB CPU WRITE */
	AM_RANGE(0xd01400, 0xd01401) AM_WRITE(fromanc2_gfxbank_0_w)	/* GFXBANK (1P) */
	AM_RANGE(0xd01500, 0xd01501) AM_WRITE(fromanc2_gfxbank_1_w)	/* GFXBANK (2P) */
	AM_RANGE(0xd01600, 0xd01601) AM_WRITE(fromanc2_eeprom_w)		/* EEPROM DATA */
	AM_RANGE(0xd01a00, 0xd01a01) AM_WRITE(fromanc2_portselect_w)	/* PORT SELECT (1P/2P) */

	AM_RANGE(0xd80000, 0xd8ffff) AM_WRITE(MWA16_RAM)				/* WORK RAM */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromancr_readmem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM)				/* MAIN ROM */

	AM_RANGE(0xa00000, 0xa00fff) AM_READ(fromancr_paletteram_0_r)/* PALETTE (1P) */
	AM_RANGE(0xa80000, 0xa80fff) AM_READ(fromancr_paletteram_1_r)/* PALETTE (2P) */

	AM_RANGE(0xd01100, 0xd01101) AM_READ(fromanc2_input_r)		/* INPUT COMMON, EEPROM */
	AM_RANGE(0xd01300, 0xd01301) AM_READ(fromanc2_subcpu_r)		/* SUB CPU READ */
	AM_RANGE(0xd01800, 0xd01801) AM_READ(fromanc2_keymatrix_r)	/* INPUT KEY MATRIX */

	AM_RANGE(0xd80000, 0xd8ffff) AM_READ(MRA16_RAM)				/* WORK RAM */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromancr_writemem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM)				/* MAIN ROM */

	AM_RANGE(0x800000, 0x803fff) AM_WRITE(fromancr_videoram_0_w)	/* VRAM BG (1P/2P) */
	AM_RANGE(0x880000, 0x883fff) AM_WRITE(fromancr_videoram_1_w)	/* VRAM FG (1P/2P) */
	AM_RANGE(0x900000, 0x903fff) AM_WRITE(fromancr_videoram_2_w)	/* VRAM TEXT (1P/2P) */
	AM_RANGE(0x980000, 0x983fff) AM_WRITE(MWA16_NOP)				/* VRAM Unused ? */

	AM_RANGE(0xa00000, 0xa00fff) AM_WRITE(fromancr_paletteram_0_w)/* PALETTE (1P) */
	AM_RANGE(0xa80000, 0xa80fff) AM_WRITE(fromancr_paletteram_1_w)/* PALETTE (2P) */

	AM_RANGE(0xd00000, 0xd00023) AM_WRITE(fromancr_gfxreg_1_w)	/* SCROLL REG (1P/2P) */
	AM_RANGE(0xd00100, 0xd00123) AM_WRITE(fromancr_gfxreg_0_w)	/* SCROLL REG (1P/2P) */

	AM_RANGE(0xd00200, 0xd002ff) AM_WRITE(MWA16_NOP)				/* ? */

	AM_RANGE(0xd00400, 0xd00413) AM_WRITE(MWA16_NOP)				/* ??? */
	AM_RANGE(0xd00500, 0xd00513) AM_WRITE(MWA16_NOP)				/* ??? */

	AM_RANGE(0xd01000, 0xd01001) AM_WRITE(fromanc2_sndcmd_w)		/* SOUND REQ (1P/2P) */
	AM_RANGE(0xd01200, 0xd01201) AM_WRITE(fromanc2_subcpu_w)		/* SUB CPU WRITE */
	AM_RANGE(0xd01400, 0xd01401) AM_WRITE(MWA16_NOP)				/* COIN COUNTER ? */
	AM_RANGE(0xd01600, 0xd01601) AM_WRITE(fromancr_eeprom_w)		/* EEPROM DATA, GFXBANK (1P/2P) */
	AM_RANGE(0xd01a00, 0xd01a01) AM_WRITE(fromanc2_portselect_w)	/* PORT SELECT (1P/2P) */

	AM_RANGE(0xd80000, 0xd8ffff) AM_WRITE(MWA16_RAM)				/* WORK RAM */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc4_readmem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM)				/* MAIN ROM */
	AM_RANGE(0x400000, 0x7fffff) AM_READ(MRA16_ROM)				/* DATA ROM */

	AM_RANGE(0x800000, 0x81ffff) AM_READ(MRA16_RAM)				/* WORK RAM */

	AM_RANGE(0xdb0000, 0xdb0fff) AM_READ(fromanc4_paletteram_0_r)/* PALETTE (1P) */
	AM_RANGE(0xdc0000, 0xdc0fff) AM_READ(fromanc4_paletteram_1_r)/* PALETTE (2P) */

	AM_RANGE(0xd10000, 0xd10001) AM_READ(fromanc2_keymatrix_r)	/* INPUT KEY MATRIX */
	AM_RANGE(0xd20000, 0xd20001) AM_READ(fromanc4_input_r)		/* INPUT COMMON, EEPROM DATA */

	AM_RANGE(0xe5000c, 0xe5000d) AM_READ(MRA16_NOP)				/* EXT-COMM PORT ? */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc4_writemem_main, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM)				/* MAIN ROM */
	AM_RANGE(0x400000, 0x7fffff) AM_WRITE(MWA16_ROM)				/* DATA ROM */

	AM_RANGE(0x800000, 0x81ffff) AM_WRITE(MWA16_RAM)				/* WORK RAM */

	AM_RANGE(0xd00000, 0xd00001) AM_WRITE(fromanc2_portselect_w)	/* PORT SELECT (1P/2P) */

	AM_RANGE(0xd10000, 0xd10001) AM_WRITE(MWA16_NOP)				/* ? */
	AM_RANGE(0xd30000, 0xd30001) AM_WRITE(MWA16_NOP)				/* ? */
	AM_RANGE(0xd50000, 0xd50001) AM_WRITE(fromanc4_eeprom_w)		/* EEPROM DATA */

	AM_RANGE(0xd70000, 0xd70001) AM_WRITE(fromanc2_sndcmd_w)		/* SOUND REQ (1P/2P) */

	AM_RANGE(0xd80000, 0xd8ffff) AM_WRITE(fromanc4_videoram_0_w)	/* VRAM FG (1P/2P) */
	AM_RANGE(0xd90000, 0xd9ffff) AM_WRITE(fromanc4_videoram_1_w)	/* VRAM BG (1P/2P) */
	AM_RANGE(0xda0000, 0xdaffff) AM_WRITE(fromanc4_videoram_2_w)	/* VRAM TEXT (1P/2P) */

	AM_RANGE(0xdb0000, 0xdb0fff) AM_WRITE(fromanc4_paletteram_0_w)/* PALETTE (1P) */
	AM_RANGE(0xdc0000, 0xdc0fff) AM_WRITE(fromanc4_paletteram_1_w)/* PALETTE (2P) */

	AM_RANGE(0xe00000, 0xe0001d) AM_WRITE(fromanc4_gfxreg_0_w)	/* SCROLL, GFXBANK (1P/2P) */
	AM_RANGE(0xe10000, 0xe1001d) AM_WRITE(fromanc4_gfxreg_1_w)	/* SCROLL, GFXBANK (1P/2P) */
	AM_RANGE(0xe20000, 0xe2001d) AM_WRITE(fromanc4_gfxreg_2_w)	/* SCROLL, GFXBANK (1P/2P) */

	AM_RANGE(0xe30000, 0xe30013) AM_WRITE(MWA16_NOP)				/* ??? */
	AM_RANGE(0xe40000, 0xe40013) AM_WRITE(MWA16_NOP)				/* ??? */

	AM_RANGE(0xe50000, 0xe50009) AM_WRITE(MWA16_NOP)				/* EXT-COMM PORT ? */
ADDRESS_MAP_END


/* ---------------------------------------------------------------------------- */
/*  Z80 SUB Program (fromanc2, fromancr) */
/* ---------------------------------------------------------------------------- */

static ADDRESS_MAP_START( fromanc2_readmem_sub, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x3fff) AM_READ(MRA8_ROM)					/* ROM */
	AM_RANGE(0x4000, 0x7fff) AM_READ(MRA8_BANK1)					/* ROM(BANK) */
	AM_RANGE(0x8000, 0xbfff) AM_READ(MRA8_RAM)					/* RAM(WORK) */
	AM_RANGE(0xc000, 0xffff) AM_READ(MRA8_BANK2)					/* RAM(BANK) */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_writemem_sub, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x3fff) AM_WRITE(MWA8_ROM)					/* ROM */
	AM_RANGE(0x4000, 0x7fff) AM_WRITE(MWA8_BANK1)					/* ROM(BANK) */
	AM_RANGE(0x8000, 0xbfff) AM_WRITE(MWA8_RAM)					/* RAM(WORK) */
	AM_RANGE(0xc000, 0xffff) AM_WRITE(MWA8_BANK2)					/* RAM(BANK) */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_readport_sub, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x02, 0x02) AM_READ(fromanc2_maincpu_r_l)			/* to MAIN CPU */
	AM_RANGE(0x04, 0x04) AM_READ(fromanc2_maincpu_r_h)			/* to MAIN CPU */
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_writeport_sub, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x00, 0x00) AM_WRITE(fromanc2_subcpu_rombank_w)
	AM_RANGE(0x02, 0x02) AM_WRITE(fromanc2_maincpu_w_l)			/* from MAIN CPU */
	AM_RANGE(0x04, 0x04) AM_WRITE(fromanc2_maincpu_w_h)			/* from MAIN CPU */
	AM_RANGE(0x06, 0x06) AM_WRITE(fromanc2_subcpu_nmi_clr)
ADDRESS_MAP_END


/* ---------------------------------------------------------------------------- */
/*  Z80 Sound Program (fromanc2, fromancr, fromanc4) */
/* ---------------------------------------------------------------------------- */

static ADDRESS_MAP_START( fromanc2_readmem_sound, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xdfff) AM_READ(MRA8_ROM)
	AM_RANGE(0xe000, 0xffff) AM_READ(MRA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_writemem_sound, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xdfff) AM_WRITE(MWA8_ROM)
	AM_RANGE(0xe000, 0xffff) AM_WRITE(MWA8_RAM)
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_readport_sound, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x00, 0x00) AM_READ(soundlatch_r)					/* snd cmd (1P) */
	AM_RANGE(0x04, 0x04) AM_READ(soundlatch2_r)					/* snd cmd (2P) */
	AM_RANGE(0x09, 0x09) AM_READ(MRA8_NOP)						/* ? */
	AM_RANGE(0x08, 0x08) AM_READ(YM2610_status_port_0_A_r)
	AM_RANGE(0x0a, 0x0a) AM_READ(YM2610_status_port_0_B_r)
	AM_RANGE(0x0c, 0x0c) AM_READ(fromanc2_sndcpu_nmi_clr)
ADDRESS_MAP_END

static ADDRESS_MAP_START( fromanc2_writeport_sound, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x00, 0x00) AM_WRITE(MWA8_NOP)						/* ? */
	AM_RANGE(0x08, 0x08) AM_WRITE(YM2610_control_port_0_A_w)
	AM_RANGE(0x09, 0x09) AM_WRITE(YM2610_data_port_0_A_w)
	AM_RANGE(0x0a, 0x0a) AM_WRITE(YM2610_control_port_0_B_w)
	AM_RANGE(0x0b, 0x0b) AM_WRITE(YM2610_data_port_0_B_w)
ADDRESS_MAP_END


/* ---------------------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------------------- */

#define VSYSMJCTRL_PORT1 \
	PORT_START_TAG("IN1")\
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_MAHJONG_A )\
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_MAHJONG_E )\
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_MAHJONG_I )\
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_MAHJONG_M )\
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_MAHJONG_KAN )\
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_START1 ) \
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_MAHJONG_A ) PORT_PLAYER(2)\
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_MAHJONG_E ) PORT_PLAYER(2)\
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_MAHJONG_I ) PORT_PLAYER(2)\
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_MAHJONG_M ) PORT_PLAYER(2)\
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_MAHJONG_KAN ) PORT_PLAYER(2)\
	PORT_BIT ( 0x2000, IP_ACTIVE_LOW, IPT_START2 ) \
	PORT_BIT ( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )

#define VSYSMJCTRL_PORT2 \
	PORT_START_TAG("IN2")\
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_MAHJONG_B )\
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_MAHJONG_F )\
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_MAHJONG_J )\
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_MAHJONG_N )\
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_MAHJONG_REACH )\
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_MAHJONG_B ) PORT_PLAYER(2)\
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_MAHJONG_F ) PORT_PLAYER(2)\
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_MAHJONG_J ) PORT_PLAYER(2)\
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_MAHJONG_N ) PORT_PLAYER(2)\
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_MAHJONG_REACH ) PORT_PLAYER(2)\
	PORT_BIT ( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )

#define VSYSMJCTRL_PORT3 \
	PORT_START_TAG("IN3")\
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_MAHJONG_C )\
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_MAHJONG_G )\
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_MAHJONG_K )\
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_MAHJONG_CHI )\
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_MAHJONG_RON )\
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_MAHJONG_C ) PORT_PLAYER(2)\
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_MAHJONG_G ) PORT_PLAYER(2)\
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_MAHJONG_K ) PORT_PLAYER(2)\
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_MAHJONG_CHI ) PORT_PLAYER(2)\
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) PORT_PLAYER(2)\
	PORT_BIT ( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )

#define VSYSMJCTRL_PORT4 \
	PORT_START_TAG("IN4") \
	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_MAHJONG_D )\
	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_MAHJONG_H )\
	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_MAHJONG_L )\
	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_MAHJONG_PON )\
	PORT_BIT ( 0x0010, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN ) \
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_MAHJONG_D ) PORT_PLAYER(2)\
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_MAHJONG_H ) PORT_PLAYER(2)\
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_MAHJONG_L ) PORT_PLAYER(2)\
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_MAHJONG_PON ) PORT_PLAYER(2)\
	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_START( fromanc2 )
	PORT_START_TAG("IN0")	/* (0) COIN SW, TEST SW, EEPROM DATA, etc */
	PORT_BIT ( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 )		/* COIN1 (1P) */
	PORT_BIT ( 0x0002, IP_ACTIVE_LOW, IPT_COIN2 )		/* COIN2 (1P) */
	PORT_BIT ( 0x0004, IP_ACTIVE_LOW, IPT_COIN3 )		/* COIN1 (2P) */
	PORT_BIT ( 0x0008, IP_ACTIVE_LOW, IPT_COIN4 )		/* COIN2 (2P) */
	PORT_BIT ( 0x0010, IP_ACTIVE_LOW, IPT_UNUSED )		/* SUBCPU INT FLAG */
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED )		/* SNDCPU NMI FLAG */
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )		/* SUBCPU NMI FLAG */
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED )		/* EEPROM READ */
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME( "Service Mode (1P)" ) PORT_CODE(KEYCODE_F2)	/* TEST (1P) */
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME( "Service Mode (2P)" ) PORT_CODE(KEYCODE_F2)	/* TEST (2P) */
	PORT_BIT ( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x1000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )

	VSYSMJCTRL_PORT1	/* (1) PORT 1-0 */
	VSYSMJCTRL_PORT2	/* (2) PORT 1-1 */
	VSYSMJCTRL_PORT3	/* (3) PORT 1-2 */
	VSYSMJCTRL_PORT4	/* (4) PORT 1-3 */
INPUT_PORTS_END

INPUT_PORTS_START( fromanc4 )
	PORT_START_TAG("IN0")	/* (0) COIN SW, TEST SW, EEPROM DATA, etc */
	PORT_SERVICE_NO_TOGGLE( 0x0001, IP_ACTIVE_LOW)	/* TEST (1P) */
	PORT_BIT ( 0x0002, IP_ACTIVE_LOW, IPT_COIN1 )		/* COIN1 (1P) */
	PORT_BIT ( 0x0004, IP_ACTIVE_LOW, IPT_COIN2 )		/* COIN2 (1P) */
	PORT_BIT ( 0x0008, IP_ACTIVE_LOW, IPT_COIN3 )		/* COIN3 (2P) */
	PORT_BIT ( 0x0010, IP_ACTIVE_LOW, IPT_COIN4 )		/* COIN4 (2P) */
	PORT_BIT ( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED )		/* SNDCPU NMI FLAG */
	PORT_BIT ( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED )		/* EEPROM READ */
	PORT_BIT ( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x0400, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x1000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x4000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT ( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )

	VSYSMJCTRL_PORT1	/* (1) PORT 1-0 */
	VSYSMJCTRL_PORT2	/* (2) PORT 1-1 */
	VSYSMJCTRL_PORT3	/* (3) PORT 1-2 */
	VSYSMJCTRL_PORT4	/* (4) PORT 1-3 */
INPUT_PORTS_END


/* ---------------------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------------------- */

static gfx_layout fromanc2_tilelayout =
{
	8, 8,
	RGN_FRAC(1, 1),
	4,
	{ 0, 1, 2, 3 },
	{ 4, 0, 12, 8, 20, 16, 28, 24 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static gfx_decode fromanc2_gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &fromanc2_tilelayout, (  0 * 2), (256 * 2) },
	{ REGION_GFX2, 0, &fromanc2_tilelayout, (256 * 2), (256 * 2) },
	{ REGION_GFX3, 0, &fromanc2_tilelayout, (512 * 2), (256 * 2) },
	{ REGION_GFX4, 0, &fromanc2_tilelayout, (768 * 2), (256 * 2) },
	{ -1 } /* end of array */
};

static gfx_layout fromancr_tilelayout =
{
	8, 8,
	RGN_FRAC(1, 1),
	8,
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 1*8, 0*8, 3*8, 2*8, 5*8, 4*8, 7*8, 6*8 },
	{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64 },
	64*8
};

static gfx_decode fromancr_gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &fromancr_tilelayout, (512 * 2), 2 },
	{ REGION_GFX2, 0, &fromancr_tilelayout, (256 * 2), 2 },
	{ REGION_GFX3, 0, &fromancr_tilelayout, (  0 * 2), 2 },
	{ -1 } /* end of array */
};


/* ---------------------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------------------- */

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

static struct YM2610interface ym2610_interface =
{
	irqhandler,
	0,
	REGION_SOUND1
};


/* ---------------------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------------------- */

static MACHINE_DRIVER_START( fromanc2 )

	/* basic machine hardware */
	MDRV_CPU_ADD(M68000,32000000/2)		/* 16.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_main,fromanc2_writemem_main)
	MDRV_CPU_VBLANK_INT(fromanc2_interrupt,1)

	MDRV_CPU_ADD(Z80,32000000/4)
	/* audio CPU */		/* 8.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_sound,fromanc2_writemem_sound)
	MDRV_CPU_IO_MAP(fromanc2_readport_sound,fromanc2_writeport_sound)

	MDRV_CPU_ADD(Z80,32000000/4)		/* 8.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_sub,fromanc2_writemem_sub)
	MDRV_CPU_IO_MAP(fromanc2_readport_sub,fromanc2_writeport_sub)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	MDRV_MACHINE_INIT(fromanc2)
	MDRV_NVRAM_HANDLER(93C46)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(512, 512)
	MDRV_VISIBLE_AREA(0, 352-1, 0, 240-1)
	MDRV_GFXDECODE(fromanc2_gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(4096)

	MDRV_VIDEO_START(fromanc2)
	MDRV_VIDEO_UPDATE(fromanc2)

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

	MDRV_SOUND_ADD(YM2610, 8000000)
	MDRV_SOUND_CONFIG(ym2610_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.50)
	MDRV_SOUND_ROUTE(1, "mono", 0.75)
	MDRV_SOUND_ROUTE(2, "mono", 0.75)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( fromancr )

	/* basic machine hardware */
	MDRV_CPU_ADD(M68000,32000000/2)		/* 16.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromancr_readmem_main,fromancr_writemem_main)
	MDRV_CPU_VBLANK_INT(fromanc2_interrupt,1)

	MDRV_CPU_ADD(Z80,32000000/4)
	/* audio CPU */		/* 8.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_sound,fromanc2_writemem_sound)
	MDRV_CPU_IO_MAP(fromanc2_readport_sound,fromanc2_writeport_sound)

	MDRV_CPU_ADD(Z80,32000000/4)		/* 8.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_sub,fromanc2_writemem_sub)
	MDRV_CPU_IO_MAP(fromanc2_readport_sub,fromanc2_writeport_sub)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	MDRV_MACHINE_INIT(fromancr)
	MDRV_NVRAM_HANDLER(93C46)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(512, 512)
	MDRV_VISIBLE_AREA(0, 352-1, 0, 240-1)
	MDRV_GFXDECODE(fromancr_gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(4096)

	MDRV_VIDEO_START(fromancr)
	MDRV_VIDEO_UPDATE(fromanc2)

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

	MDRV_SOUND_ADD(YM2610, 8000000)
	MDRV_SOUND_CONFIG(ym2610_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.50)
	MDRV_SOUND_ROUTE(1, "mono", 0.75)
	MDRV_SOUND_ROUTE(2, "mono", 0.75)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( fromanc4 )

	/* basic machine hardware */
	MDRV_CPU_ADD(M68000,32000000/2)		/* 16.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc4_readmem_main,fromanc4_writemem_main)
	MDRV_CPU_VBLANK_INT(fromanc2_interrupt,1)

	MDRV_CPU_ADD(Z80,32000000/4)
	/* audio CPU */		/* 8.00 MHz */
	MDRV_CPU_PROGRAM_MAP(fromanc2_readmem_sound,fromanc2_writemem_sound)
	MDRV_CPU_IO_MAP(fromanc2_readport_sound,fromanc2_writeport_sound)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	MDRV_MACHINE_INIT(fromanc4)
	MDRV_NVRAM_HANDLER(93C46)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(2048, 256)
	MDRV_VISIBLE_AREA(0, 352-1, 0, 240-1)
	MDRV_GFXDECODE(fromancr_gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(4096)

	MDRV_VIDEO_START(fromanc4)
	MDRV_VIDEO_UPDATE(fromanc2)

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

	MDRV_SOUND_ADD(YM2610, 8000000)
	MDRV_SOUND_CONFIG(ym2610_interface)
	MDRV_SOUND_ROUTE(0, "mono", 0.50)
	MDRV_SOUND_ROUTE(1, "mono", 0.75)
	MDRV_SOUND_ROUTE(2, "mono", 0.75)
MACHINE_DRIVER_END


/* ---------------------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------------------- */

ROM_START( fromanc2 )
	ROM_REGION( 0x0080000, REGION_CPU1, 0 )	/* MAIN CPU */
	ROM_LOAD16_WORD_SWAP( "4-ic23.bin", 0x000000, 0x080000, CRC(96c90f9e) SHA1(c233e91d6967ef05cf14923273be84b17fce200f) )

	ROM_REGION( 0x0010000, REGION_CPU2, 0 )	/* SOUND CPU */
	ROM_LOAD( "5-ic85.bin",  0x00000, 0x10000, CRC(d8f19aa3) SHA1(f980c2a021fa1995bc18b6427b361506ca8d9bf2) )

	ROM_REGION( 0x0020000, REGION_CPU3, 0 )	/* SUB CPU + BANK RAM */
	ROM_LOAD( "3-ic1.bin",   0x00000, 0x10000, CRC(6d02090e) SHA1(08a538f3a578adbf83718e5e592c457b2ad841a6) )

	ROM_REGION( 0x0480000, REGION_GFX1, ROMREGION_DISPOSE )	/* LAYER4 DATA */
	ROM_LOAD( "124-121.bin", 0x000000, 0x200000, CRC(0b62c9c5) SHA1(1e82398a34fb69bf2a82ef1af79dcc6a50ee53e9) )
	ROM_LOAD( "125-122.bin", 0x200000, 0x200000, CRC(1d6dc86e) SHA1(31804465fd9a7c8a20a4bc2217a70bda7963e0ae) )
	ROM_LOAD( "126-123.bin", 0x400000, 0x080000, CRC(9c0f7abc) SHA1(0b69d72e50e64bf02fed4a11cdf10db547953074) )

	ROM_REGION( 0x0480000, REGION_GFX2, ROMREGION_DISPOSE )	/* LAYER3 DATA */
	ROM_LOAD( "35-47.bin",   0x000000, 0x200000, CRC(97ff0ad6) SHA1(eefa13ef07d6f665a641464089345f1e0ffa7b56) )
	ROM_LOAD( "161-164.bin", 0x200000, 0x200000, CRC(eedbc4d1) SHA1(2f882c5a2a0311bc1fca7b8569621ffee8cdbc82) )
	ROM_LOAD( "162-165.bin", 0x400000, 0x080000, CRC(9b546e59) SHA1(69a2fad9aa87fd07e59fed2fb19c5533a9176bb5) )

	ROM_REGION( 0x0200000, REGION_GFX3, ROMREGION_DISPOSE )	/* LAYER2 DATA */
	ROM_LOAD( "36-48.bin",   0x000000, 0x200000, CRC(c8ee7f40) SHA1(3f043e4d93dd20f0bfb56b6345d8d60c884547db) )

	ROM_REGION( 0x0100000, REGION_GFX4, ROMREGION_DISPOSE )	/* LAYER1 DATA */
	ROM_LOAD( "40-52.bin",   0x000000, 0x100000, CRC(dbb5062d) SHA1(d1be4d675b36ea6ebd602d5c990adcf3c029485e) )

	ROM_REGION( 0x0400000, REGION_SOUND1, 0 )	/* SOUND DATA */
	ROM_LOAD( "ic96.bin",    0x000000, 0x200000, CRC(2f1b394c) SHA1(d95dd8231d7873328f2253eaa27374c79d87e21b) )
	ROM_LOAD( "ic97.bin",    0x200000, 0x200000, CRC(1d1377fc) SHA1(0dae5dfcbcf4ed6662522e9404fcac0236dce04d) )
ROM_END

ROM_START( fromancr )
	ROM_REGION( 0x0080000, REGION_CPU1, 0 )	/* MAIN CPU */
	ROM_LOAD16_WORD_SWAP( "2-ic20.bin", 0x000000, 0x080000, CRC(378eeb9c) SHA1(c1cfc7440590a229b3cdc1114428a473fea15b63) )

	ROM_REGION( 0x0010000, REGION_CPU2, 0 )	/* SOUND CPU */
	ROM_LOAD( "5-ic73.bin",  0x0000000, 0x010000, CRC(3e4727fe) SHA1(816c0c2cd2e349900fb9cd63cbced4c621017f37) )

	ROM_REGION( 0x0020000, REGION_CPU3, 0 )	/* SUB CPU + BANK RAM */
	ROM_LOAD( "4-ic1.bin",   0x0000000, 0x010000, CRC(6d02090e) SHA1(08a538f3a578adbf83718e5e592c457b2ad841a6) )

	ROM_REGION( 0x0800000, REGION_GFX1, ROMREGION_DISPOSE )	/* BG DATA */
	ROM_LOAD( "ic1-3.bin",   0x0000000, 0x400000, CRC(70ad9094) SHA1(534f10478a929e9e0cc4e01573a68474fe696099) )
	ROM_LOAD( "ic2-4.bin",   0x0400000, 0x400000, CRC(c6c6e8f7) SHA1(315e4e8ae9d1e3d68f4b2cff723d78652dc74e57) )

	ROM_REGION( 0x2400000, REGION_GFX2, ROMREGION_DISPOSE )	/* FG DATA */
	ROM_LOAD( "ic28-13.bin", 0x0000000, 0x400000, CRC(7d7f9f63) SHA1(fe7b7a6bd9610d953f109b5ff8e38aab1c4ffac1) )
	ROM_LOAD( "ic29-14.bin", 0x0400000, 0x400000, CRC(8ec65f31) SHA1(9b63b18d5ad8f7ec37fa950b21d547fec559d5fa) )
	ROM_LOAD( "ic31-16.bin", 0x0800000, 0x400000, CRC(e4859534) SHA1(91fbbe0ab8119a954d76d33134290a7f7640e4ba) )
	ROM_LOAD( "ic32-17.bin", 0x0c00000, 0x400000, CRC(20d767da) SHA1(477d86538e95583238c50e11acee3ed9ed17b75a) )
	ROM_LOAD( "ic34-19.bin", 0x1000000, 0x400000, CRC(d62a383f) SHA1(0b11a97fa11a0b9657219d70a2ba26843b37d285) )
	ROM_LOAD( "ic35-20.bin", 0x1400000, 0x400000, CRC(4e697f38) SHA1(66b2e9ecedfcf878defb31528611574c1711e831) )
	ROM_LOAD( "ic37-22.bin", 0x1800000, 0x400000, CRC(6302bf5f) SHA1(bac8bead71e25e060bc75abd428dce97e5d51ef2) )
	ROM_LOAD( "ic38-23.bin", 0x1c00000, 0x400000, CRC(c6cffa53) SHA1(41a1c31d921fa92aa285e0a874565e929dba80dc) )
	ROM_LOAD( "ic40-25.bin", 0x2000000, 0x400000, CRC(af60bd0e) SHA1(0dc3a2e9b06626b3891b60368c3ef4d7ce1bdc6a) )

	ROM_REGION( 0x0200000, REGION_GFX3, ROMREGION_DISPOSE )	/* TEXT DATA */
	ROM_LOAD( "ic28-29.bin", 0x0000000, 0x200000, CRC(f5e262aa) SHA1(35464d059f4814832bf5cb3bede4b8a600bc8a84) )

	ROM_REGION( 0x0400000, REGION_SOUND1, 0 )	/* SOUND DATA */
	ROM_LOAD( "ic81.bin",    0x0000000, 0x200000, CRC(8ab6e343) SHA1(5ae28e6944edb0a4b8d0071ce48e348b6e927ca9) )
	ROM_LOAD( "ic82.bin",    0x0200000, 0x200000, CRC(f57daaf8) SHA1(720eadf771c89d8749317b632bbc5e8ff1f6f520) )
ROM_END

ROM_START( fromanc4 )
	ROM_REGION( 0x0800000, REGION_CPU1, 0 )	/* MAIN CPU + DATA */
	ROM_LOAD16_WORD_SWAP( "ic18.bin",    0x0000000, 0x080000, CRC(46a47839) SHA1(f1ba47b193e7e4b1c0fe8d67a76a9c452989885c) )
	ROM_LOAD16_WORD_SWAP( "em33-m00.19", 0x0400000, 0x400000, CRC(6442534b) SHA1(a504d5cdd569ad4301f9917247531d4fdb807c76) )

	ROM_REGION( 0x0020000, REGION_CPU2, 0 )	/* SOUND CPU */
	ROM_LOAD( "ic79.bin", 0x0000000, 0x020000, CRC(c9587c09) SHA1(e04ee8c3f8519c2b2d3c2bdade1e142974b7fcb1) )

	ROM_REGION( 0x1000000, REGION_GFX1, ROMREGION_DISPOSE )	/* BG DATA */
	ROM_LOAD16_WORD_SWAP( "em33-c00.59", 0x0000000, 0x400000, CRC(7192bbad) SHA1(d9212860a516106c64e348c78e03091ee766ab23) )
	ROM_LOAD16_WORD_SWAP( "em33-c01.60", 0x0400000, 0x400000, CRC(d75af19a) SHA1(3a9c4ccf1f832d0302fe115d336e33e006910a8a) )
	ROM_LOAD16_WORD_SWAP( "em33-c02.61", 0x0800000, 0x400000, CRC(4f4d2735) SHA1(d0b59c8ed285ec9120a89b0198e414e33567729a) )
	ROM_LOAD16_WORD_SWAP( "em33-c03.62", 0x0c00000, 0x400000, CRC(7ece6ad5) SHA1(c506fc4ea68abf57009d524a17ca487f9c568abd) )

	ROM_REGION( 0x3000000, REGION_GFX2, ROMREGION_DISPOSE )	/* FG DATA */
	ROM_LOAD16_WORD_SWAP( "em33-b00.38", 0x0000000, 0x400000, CRC(10b8f90d) SHA1(68b8f197c7be70082f61016824098c1ae3a76b38) )
	ROM_LOAD16_WORD_SWAP( "em33-b01.39", 0x0400000, 0x400000, CRC(3b3ea291) SHA1(bb80070a19bb1a1febda612ef260f895a8b65ce2) )
	ROM_LOAD16_WORD_SWAP( "em33-b02.40", 0x0800000, 0x400000, CRC(de88f95b) SHA1(d84a1896a1ef3d9b7fa7de23771168e17c7a450a) )
	ROM_LOAD16_WORD_SWAP( "em33-b03.41", 0x0c00000, 0x400000, CRC(35c1b398) SHA1(b2141cdd3b7f9e2cbfb0a048c440979b59149be5) )
	ROM_LOAD16_WORD_SWAP( "em33-b04.42", 0x1000000, 0x400000, CRC(84b8d5db) SHA1(5999a12c24c01ee8673c2c0a9193c8800a490e6f) )
	ROM_LOAD16_WORD_SWAP( "em33-b05.43", 0x1400000, 0x400000, CRC(b822b57c) SHA1(b50f3b73239a688101027f1c4247fed5ae59b064) )
	ROM_LOAD16_WORD_SWAP( "em33-b06.44", 0x1800000, 0x400000, CRC(8f1b2b19) SHA1(1e08908758fed104d114fecc9977a4a0eb93fe9b) )
	ROM_LOAD16_WORD_SWAP( "em33-b07.45", 0x1c00000, 0x400000, CRC(dd4ddcb7) SHA1(0145afa70c1a6f59eec65cf4d8572f2c00cd04a5) )
	ROM_LOAD16_WORD_SWAP( "em33-b08.46", 0x2000000, 0x400000, CRC(3d8ce018) SHA1(43c3cb4d6c26a8209fc290fcac56297fe66209e3) )
	ROM_LOAD16_WORD_SWAP( "em33-b09.47", 0x2400000, 0x400000, CRC(4ad79143) SHA1(9240ee46fff8f4a400a2bddaedb9acd258f37e1d) )
	ROM_LOAD16_WORD_SWAP( "em33-b10.48", 0x2800000, 0x400000, CRC(d6ab74b2) SHA1(1dbff7e997869a00922f6471afbd76d383ec0e2c) )
	ROM_LOAD16_WORD_SWAP( "em33-b11.49", 0x2c00000, 0x400000, CRC(4aa206b1) SHA1(afee0d8fc02e4f673ecccb9786c6d502dea5cb70) )

	ROM_REGION( 0x0400000, REGION_GFX3, ROMREGION_DISPOSE )	/* TEXT DATA */
	ROM_LOAD16_WORD_SWAP( "em33-a00.37", 0x0000000, 0x400000, CRC(a3bd4a34) SHA1(78bd5298e83f89c738c18105c8bc809fa6a35206) )

	ROM_REGION( 0x0800000, REGION_SOUND1, 0 )	/* SOUND DATA */
	ROM_LOAD16_WORD_SWAP( "em33-p00.88", 0x0000000, 0x400000, CRC(1c6418d2) SHA1(c66d6b35f342fcbeca5414dbb2ac038d8a2ec2c4) )
	ROM_LOAD16_WORD_SWAP( "em33-p01.89", 0x0400000, 0x400000, CRC(615b4e6e) SHA1(a031773ed27de2263e32422a3d11118bdcb2c197) )
ROM_END


GAME( 1995, fromanc2, 0, fromanc2, fromanc2, fromanc2, ROT0, "Video System Co.", "Taisen Idol-Mahjong Final Romance 2 (Japan)", 0 )
GAME( 1995, fromancr, 0, fromancr, fromanc2, fromancr, ROT0, "Video System Co.", "Taisen Mahjong FinalRomance R (Japan)", 0 )
GAME( 1998, fromanc4, 0, fromanc4, fromanc4, fromanc4, ROT0, "Video System Co.", "Taisen Mahjong FinalRomance 4 (Japan)", 0 )
