/***************************************************************************
				Wiping
			    (C) 1982 Nichibutsu

				    driver by

			Allard van der Bas (allard@mindless.com)

1 x Z80 CPU main game, 1 x Z80 with ???? sound hardware.
----------------------------------------------------------------------------
Main processor :

0xA800 - 0xA807	: 64 bits of input and dipswitches.

dip: 0.7 1.7 2.7
       0   0   0	coin 1: 1 coin 0 credit.

       1   1   1	coin 1: 1 coin 7 credit.

dip: 3.7 4.7 5.7
       0   0   0	coin 2: 0 coin 1 credit.

       1   1   1	coin 2: 7 coin 1 credit.

dip:  7.6
	0		bonus at 30K and 70K
	1		bonus at 50K and 150K

dip: 6.7 7.7
       0   0		2 lives
       0   1		3 lives
       1   0		4 lives
       1   1		5 lives

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


WRITE_HANDLER( wiping_flipscreen_w );
PALETTE_INIT( wiping );
VIDEO_UPDATE( wiping );

extern unsigned char *wiping_soundregs;
int wiping_sh_start(const struct MachineSound *msound);
void wiping_sh_stop(void);
WRITE_HANDLER( wiping_sound_w );


static unsigned char *sharedram1,*sharedram2;

static READ_HANDLER( shared1_r )
{
	return sharedram1[offset];
}

static READ_HANDLER( shared2_r )
{
	return sharedram2[offset];
}

static WRITE_HANDLER( shared1_w )
{
	sharedram1[offset] = data;
}

static WRITE_HANDLER( shared2_w )
{
	sharedram2[offset] = data;
}


/* input ports are rotated 90 degrees */
static READ_HANDLER( ports_r )
{
	int i,res;


	res = 0;
	for (i = 0;i < 8;i++)
		res |= ((readinputport(i) >> offset) & 1) << i;

	return res;
}

static WRITE_HANDLER( subcpu_reset_w )
{
	if (data & 1)
		cpu_set_reset_line(1,CLEAR_LINE);
	else
		cpu_set_reset_line(1,ASSERT_LINE);
}



static MEMORY_READ_START( readmem )
	{ 0x0000, 0x5fff, MRA_ROM },
	{ 0x8000, 0x8bff, MRA_RAM },
	{ 0x9000, 0x93ff, shared1_r },
	{ 0x9800, 0x9bff, shared2_r },
	{ 0xa800, 0xa807, ports_r },
	{ 0xb000, 0xb7ff, MRA_RAM },
MEMORY_END

static MEMORY_WRITE_START( writemem )
	{ 0x0000, 0x5fff, MWA_ROM },
	{ 0x8000, 0x83ff, videoram_w, &videoram, &videoram_size },
	{ 0x8400, 0x87ff, colorram_w, &colorram },
	{ 0x8800, 0x88ff, MWA_RAM, &spriteram, &spriteram_size },
	{ 0x8900, 0x8bff, MWA_RAM },
	{ 0x9000, 0x93ff, shared1_w, &sharedram1 },
	{ 0x9800, 0x9bff, shared2_w, &sharedram2 },
	{ 0xa000, 0xa000, interrupt_enable_w },
	{ 0xa002, 0xa002, wiping_flipscreen_w },
	{ 0xa003, 0xa003, subcpu_reset_w },
	{ 0xb000, 0xb7ff, MWA_RAM },
	{ 0xb800, 0xb800, watchdog_reset_w },
MEMORY_END


/* Sound cpu data */
static MEMORY_READ_START( sound_readmem )
	{ 0x0000, 0x1fff, MRA_ROM },
	{ 0x9000, 0x93ff, shared1_r },
	{ 0x9800, 0x9bff, shared2_r },
MEMORY_END

static MEMORY_WRITE_START( sound_writemem )
	{ 0x0000, 0x1fff, MWA_ROM },
	{ 0x4000, 0x7fff, wiping_sound_w, &wiping_soundregs },
	{ 0x9000, 0x93ff, shared1_w },
	{ 0x9800, 0x9bff, shared2_w },
	{ 0xa001, 0xa001, interrupt_enable_w },
MEMORY_END



INPUT_PORTS_START( wiping )
	PORT_START	/* 0 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP    | IPF_4WAY )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN  | IPF_4WAY )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_4WAY )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT  | IPF_4WAY )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* 1 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP    | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN  | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT  | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* 2 */

	PORT_START	/* 3 */

	PORT_START	/* 4 */

	PORT_START	/* 5 */

	PORT_START	/* 6 */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x05, IP_ACTIVE_LOW, IPT_COIN2 )	/* note that this changes two bits */
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
	PORT_SERVICE( 0x40, IP_ACTIVE_HIGH )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x00, "30000 70000" )
	PORT_DIPSETTING(    0x80, "50000 150000" )

	PORT_START	/* 7 */
	PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coin_B )  )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 1C_7C ) )
//	PORT_DIPSETTING(    0x00, "Disable" )
	PORT_DIPNAME( 0x38, 0x08, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x38, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x28, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x18, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x40, "3" )
	PORT_DIPSETTING(    0x80, "4" )
	PORT_DIPSETTING(    0xc0, "5" )
INPUT_PORTS_END

/* identical apart from bonus life */
INPUT_PORTS_START( rugrats )
	PORT_START	/* 0 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_4WAY )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_4WAY )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_4WAY )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_4WAY )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* 1 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0xe0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* 2 */

	PORT_START	/* 3 */

	PORT_START	/* 4 */

	PORT_START	/* 5 */

	PORT_START	/* 6 */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x05, IP_ACTIVE_LOW, IPT_COIN2 )	/* note that this changes two bits */
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
	PORT_SERVICE( 0x40, IP_ACTIVE_HIGH )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x00, "100000 200000" )
	PORT_DIPSETTING(    0x80, "150000 300000" )

	PORT_START	/* 7 */
	PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coin_B )  )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 1C_7C ) )
//	PORT_DIPSETTING(    0x00, "Disable" )
	PORT_DIPNAME( 0x38, 0x08, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x38, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x28, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x18, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x40, "3" )
	PORT_DIPSETTING(    0x80, "4" )
	PORT_DIPSETTING(    0xc0, "5" )
INPUT_PORTS_END



static struct GfxLayout charlayout =
{
	8,8,	/* 8*8 characters */
	256,	/* 256 characters */
	2,	/* 2 bits per pixel */
	{ 0, 4 },	/* the two bitplanes are packed in one byte */
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	16*8	/* every char takes 16 consecutive bytes */
};

static struct GfxLayout spritelayout =
{
	16,16,	/* 16*16 sprites */
	128,	/* 128 sprites */
	2,	/* 2 bits per pixel */
	{ 0, 4 },	/* the two bitplanes are packed in one byte */
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3,
			16*8+0, 16*8+1, 16*8+2, 16*8+3, 17*8+0, 17*8+1, 17*8+2, 17*8+3 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
			16*16, 17*16, 18*16, 19*16, 20*16, 21*16, 22*16, 23*16 },
	64*8	/* every sprite takes 64 consecutive bytes */
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &charlayout,      0, 64 },
	{ REGION_GFX2, 0, &spritelayout, 64*4, 64 },
	{ -1 } /* end of array */
};



static struct CustomSound_interface custom_interface =
{
	wiping_sh_start,
	wiping_sh_stop,
	0
};



static MACHINE_DRIVER_START( wiping )

	/* basic machine hardware */
	MDRV_CPU_ADD(Z80,18432000/6)	/* 3.072 MHz */
	MDRV_CPU_MEMORY(readmem,writemem)
	MDRV_CPU_VBLANK_INT(irq0_line_hold,1)

	MDRV_CPU_ADD(Z80,18432000/6)
	MDRV_CPU_FLAGS(CPU_AUDIO_CPU)	/* 3.072 MHz */
	MDRV_CPU_MEMORY(sound_readmem,sound_writemem)
	MDRV_CPU_PERIODIC_INT(irq0_line_hold,120)	/* periodic interrupt, don't know about the frequency */

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_SIZE(36*8, 28*8)
	MDRV_VISIBLE_AREA(0*8, 36*8-1, 0*8, 28*8-1)
	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(32)
	MDRV_COLORTABLE_LENGTH(64*4+64*4)

	MDRV_PALETTE_INIT(wiping)
	MDRV_VIDEO_START(generic)
	MDRV_VIDEO_UPDATE(wiping)

	/* sound hardware */
	MDRV_SOUND_ADD(CUSTOM, custom_interface)
MACHINE_DRIVER_END



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

  Game driver(s)

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

ROM_START( wiping )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )	/* main cpu code */
	ROM_LOAD( "1",            0x0000, 0x2000, 0xb55d0d19 )
	ROM_LOAD( "2",            0x2000, 0x2000, 0xb1f96e47 )
	ROM_LOAD( "3",            0x4000, 0x2000, 0xc67bab5a )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* sound cpu */
	ROM_LOAD( "4",            0x0000, 0x1000, 0xa1547e18 )

	ROM_REGION( 0x1000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "8",            0x0000, 0x1000, 0x601160f6 ) /* chars */

	ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "7",            0x0000, 0x2000, 0x2c2cc054 ) /* sprites */

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "wip-g13.bin",  0x0000, 0x0020, 0xb858b897 )	/* palette */
	ROM_LOAD( "wip-f4.bin",   0x0020, 0x0100, 0x3f56c8d5 )	/* char lookup table */
	ROM_LOAD( "wip-e11.bin",  0x0120, 0x0100, 0xe7400715 )	/* sprite lookup table */

	ROM_REGION( 0x4000, REGION_SOUND1, 0 )	/* samples */
	ROM_LOAD( "rugr5c8",	  0x0000, 0x2000, 0x67bafbbf )
	ROM_LOAD( "rugr6c9",	  0x2000, 0x2000, 0xcac84a87 )

	ROM_REGION( 0x0200, REGION_SOUND2, 0 )	/* 4bit->8bit sample expansion PROMs */
	ROM_LOAD( "wip-e8.bin",   0x0000, 0x0100, 0xbd2c080b )	/* low 4 bits */
	ROM_LOAD( "wip-e9.bin",   0x0100, 0x0100, 0x4017a2a6 )	/* high 4 bits */
ROM_END

ROM_START( rugrats )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )	/* main cpu code */
	ROM_LOAD( "rugr1d1",      0x0000, 0x2000, 0xe7e1bd6d )
	ROM_LOAD( "rugr2d2",      0x2000, 0x2000, 0x5f47b9ad )
	ROM_LOAD( "rugr3d3",      0x4000, 0x2000, 0x3d748d1a )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )	/* sound cpu */
	ROM_LOAD( "rugr4c4",      0x0000, 0x2000, 0xd4a92c38 )

	ROM_REGION( 0x1000, REGION_GFX1, ROMREGION_DISPOSE )
	ROM_LOAD( "rugr8d2",      0x0000, 0x1000, 0xa3dcaca5 ) /* chars */

	ROM_REGION( 0x2000, REGION_GFX2, ROMREGION_DISPOSE )
	ROM_LOAD( "rugr7c13",     0x0000, 0x2000, 0xfe1191dd ) /* sprites */

	ROM_REGION( 0x0220, REGION_PROMS, 0 )
	ROM_LOAD( "prom.13g",     0x0000, 0x0020, 0xf21238f0 )	/* palette */
	ROM_LOAD( "prom.4f",      0x0020, 0x0100, 0xcfc90f3d )	/* char lookup table */
	ROM_LOAD( "prom.11e",     0x0120, 0x0100, 0xcfc90f3d )	/* sprite lookup table */

	ROM_REGION( 0x4000, REGION_SOUND1, 0 )	/* samples */
	ROM_LOAD( "rugr5c8",	  0x0000, 0x2000, 0x67bafbbf )
	ROM_LOAD( "rugr6c9",	  0x2000, 0x2000, 0xcac84a87 )

	ROM_REGION( 0x0200, REGION_SOUND2, 0 )	/* 4bit->8bit sample expansion PROMs */
	ROM_LOAD( "wip-e8.bin",   0x0000, 0x0100, 0xbd2c080b )	/* low 4 bits */
	ROM_LOAD( "wip-e9.bin",   0x0100, 0x0100, 0x4017a2a6 )	/* high 4 bits */
ROM_END



GAME( 1982, wiping,  0,      wiping, wiping,  0, ROT90, "Nichibutsu", "Wiping" )
GAME( 1983, rugrats, wiping, wiping, rugrats, 0, ROT90, "Nichibutsu", "Rug Rats" )
