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/*

 One + Two
 (c) Barko 1997

 Driver by David Haywood and Pierpaolo Prazzoli

PCB has D.G.R.M. silkscreened on it.  Dated 1997.4.11

+----------------------------------+
|  YM3014 YM3812  Z80   24MHz      |
|   M6295 sample  sound_prog       |
|                 6116       3_grfx|
|J       6116                      |
|A COR_B 6116                4_grfx|
|M COR_G                           |
|M COR_R       A1020B              |
|A                           5_grfx|
|DSW   62256         6264          |
|     main_prog                    |
|DSW   Z80  4MHz                   |
+----------------------------------+

Goldstar Z8400A PS (4 MHz rated) both CPUs
Actel A1020B PL84C
YM3812/YM3014 (badged as UA011 & UA010)
OKI M6295

 main_prog 27c010
    x_grfx 27c040
    sample 27c020
sound_prog 27512

COR_x are LN60G resitor packs

-------------------------------------

Note: this is quite clearly a 'Korean bootleg' of Shisensho - Joshiryo-Hen / Match-It

*/

#include "driver.h"
#include "sound/okim6295.h"
#include "sound/3812intf.h"

static tilemap *fg_tilemap;
static UINT8 *fgram;

static TILE_GET_INFO( get_fg_tile_info )
{
	int code = (fgram[tile_index*2+1]<<8) | fgram[tile_index*2];
	int color = (fgram[tile_index*2+1] & 0x80) >> 7;

	code &= 0x7fff;

	SET_TILE_INFO(0, code, color, 0);
}

static WRITE8_HANDLER( onetwo_fgram_w )
{
	fgram[offset] = data;
	tilemap_mark_tile_dirty(fg_tilemap, offset/2);
}

static WRITE8_HANDLER( onetwo_cpubank_w )
{
	UINT8 *RAM = memory_region(machine, "main") + 0x10000;

	memory_set_bankptr(1,&RAM[data * 0x4000]);
}

static WRITE8_HANDLER( onetwo_coin_counters_w )
{
	watchdog_reset(machine);
	coin_counter_w(0, data & 0x02);
	coin_counter_w(1, data & 0x04);
}

static WRITE8_HANDLER( onetwo_soundlatch_w )
{
	soundlatch_w(machine, 0, data);
	cpunum_set_input_line(machine, 1, INPUT_LINE_NMI, PULSE_LINE);
}

static void setColor(running_machine *machine, int offset)
{
		int r,g,b;
		r=paletteram[offset]&0x1f;
		g=paletteram_2[offset]&0x1f;
		b=((paletteram[offset]&0x60)>>2)|((paletteram_2[offset]&0xe0)>>5);
		palette_set_color_rgb(machine,offset,pal5bit(r),pal5bit(g),pal5bit(b));
}

static WRITE8_HANDLER(palette1_w)
{
	paletteram[offset]=data;
	setColor(machine, offset);
}

static WRITE8_HANDLER(palette2_w)
{
	paletteram_2[offset]=data;
	setColor(machine, offset);
}

/* Main CPU */

static ADDRESS_MAP_START( main_cpu, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("main", 0x10000)
	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK(1)
	AM_RANGE(0xc800, 0xc87f) AM_RAM_WRITE(palette1_w) AM_BASE(&paletteram)
	AM_RANGE(0xc900, 0xc97f) AM_RAM_WRITE(palette2_w) AM_BASE(&paletteram_2)
	AM_RANGE(0xd000, 0xdfff) AM_RAM_WRITE(onetwo_fgram_w) AM_BASE(&fgram)
	AM_RANGE(0xe000, 0xffff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( main_cpu_io, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_READ_PORT("DSW1") AM_WRITE(onetwo_coin_counters_w)
	AM_RANGE(0x01, 0x01) AM_READ_PORT("DSW2") AM_WRITE(onetwo_soundlatch_w)
	AM_RANGE(0x02, 0x02) AM_READ_PORT("P1") AM_WRITE(onetwo_cpubank_w)
	AM_RANGE(0x03, 0x03) AM_READ_PORT("P2")
	AM_RANGE(0x04, 0x04) AM_READ_PORT("SYSTEM")
ADDRESS_MAP_END

/* Sound CPU */

static ADDRESS_MAP_START( sound_cpu, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x5fff) AM_ROM
	AM_RANGE(0xf000, 0xf7ff) AM_RAM
	AM_RANGE(0xf800, 0xf800) AM_READ(soundlatch_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( sound_cpu_io, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_READWRITE(ym3812_status_port_0_r, ym3812_control_port_0_w)
	AM_RANGE(0x20, 0x20) AM_WRITE(ym3812_write_port_0_w)
	AM_RANGE(0x40, 0x40) AM_READWRITE(okim6295_status_0_r, okim6295_data_0_w)
	AM_RANGE(0xc0, 0xc0) AM_WRITE(soundlatch_clear_w)
ADDRESS_MAP_END

static INPUT_PORTS_START( onetwo )
	PORT_START("DSW1")
	PORT_DIPNAME( 0x03, 0x03, "Timer" ) PORT_DIPLOCATION("SW1:1,2")
	PORT_DIPSETTING(    0x03, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:3,4")
	PORT_DIPSETTING(    0x0c, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Hard ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Hardest ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coinage ) ) PORT_CONDITION("DSW2",0x04,PORTCOND_EQUALS,0x04) PORT_DIPLOCATION("SW1:5,6,7,8")
	PORT_DIPSETTING(    0xa0, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 8C_3C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 5C_3C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
 	PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coin_A ) ) PORT_CONDITION("DSW2",0x04,PORTCOND_NOTEQUALS,0x04) PORT_DIPLOCATION("SW1:5,6")
	PORT_DIPSETTING(    0x00, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 1C_1C ) )
	PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Coin_B ) ) PORT_CONDITION("DSW2",0x04,PORTCOND_NOTEQUALS,0x04) PORT_DIPLOCATION("SW1:7,8")
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_6C ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown) ) PORT_DIPLOCATION("SW2:1") /* Flip Sreen? */
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:2")
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, "Coin Chute" ) PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x04, "Common" )
	PORT_DIPSETTING(    0x00, "Separate" )
	PORT_DIPNAME( 0x08, 0x08, "Nude Pictures" ) PORT_DIPLOCATION("SW2:4")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, "Women Select" ) PORT_DIPLOCATION("SW2:5")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
	/* In stop mode, press 2 to stop and 1 to restart */
	PORT_DIPNAME( 0x20, 0x20, "Stop Mode (Cheat)") PORT_DIPLOCATION("SW2:6")
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "Play Mode" ) PORT_DIPLOCATION("SW2:7")
	PORT_DIPSETTING(    0x00, "1 Player" )
	PORT_DIPSETTING(    0x40, "2 Player" )
	PORT_DIPNAME( 0x80, 0x00, "Freeze" ) PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("P1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("P2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

static const gfx_layout tiles8x8x6_layout =
{
	8,8,
	RGN_FRAC(1,3),
	6,
	{ RGN_FRAC(2,3)+0, RGN_FRAC(2,3)+4, RGN_FRAC(0,3)+0, RGN_FRAC(0,3)+4, RGN_FRAC(1,3)+0, RGN_FRAC(1,3)+4 },
	{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	16*8
};

static GFXDECODE_START( onetwo )
	GFXDECODE_ENTRY( "gfx1", 0, tiles8x8x6_layout, 0, 2 )
GFXDECODE_END

static VIDEO_START( onetwo )
{
	fg_tilemap = tilemap_create(get_fg_tile_info,tilemap_scan_rows,8,8,64,32);
}

static VIDEO_UPDATE( onetwo )
{
	tilemap_draw(bitmap,cliprect,fg_tilemap,0,0);
	return 0;
}

static void irqhandler(running_machine *machine, int linestate)
{
	cpunum_set_input_line(machine, 1,0,linestate);
}

static const ym3812_interface ym3812_config =
{
	irqhandler	/* IRQ Line */
};

static MACHINE_DRIVER_START( onetwo )
	/* basic machine hardware */
	MDRV_CPU_ADD("main", Z80,4000000)	/* 4 MHz */
	MDRV_CPU_PROGRAM_MAP(main_cpu,0)
	MDRV_CPU_IO_MAP(main_cpu_io,0)
	MDRV_CPU_VBLANK_INT("main", irq0_line_hold)

	MDRV_CPU_ADD("audio", Z80,4000000)	/* 4 MHz */
	MDRV_CPU_PROGRAM_MAP(sound_cpu,0)
	MDRV_CPU_IO_MAP(sound_cpu_io,0)

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(16))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(512, 256)
	MDRV_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)

	MDRV_GFXDECODE(onetwo)
	MDRV_PALETTE_LENGTH(0x80)

	MDRV_VIDEO_START(onetwo)
	MDRV_VIDEO_UPDATE(onetwo)

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

	MDRV_SOUND_ADD("ym", YM3812, 4000000)
	MDRV_SOUND_CONFIG(ym3812_config)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)

	MDRV_SOUND_ADD("oki", OKIM6295, 1056000*2)
	MDRV_SOUND_CONFIG(okim6295_interface_pin7low) // clock frequency & pin 7 not verified
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END

ROM_START( onetwo )
	ROM_REGION( 0x30000, "main", 0 ) /* main z80 */
	ROM_LOAD( "main", 0x10000,  0x20000, CRC(83431e6e) SHA1(61ab386a1d0af050f091f5df28c55ad5ad1a0d4b) )

	ROM_REGION( 0x10000, "audio", 0 ) /* sound z80 */
	ROM_LOAD( "sound_prog",  0x00000,  0x10000, CRC(90aba4f3) SHA1(914b1c8684993ddc7200a3d61e07f4f6d59e9d02) )

	ROM_REGION( 0x180000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "3_graphics", 0x000000, 0x80000, CRC(c72ff3a0) SHA1(17394d8a8b5ef4aee9522d87ba92ef1285f4d76a) )
	ROM_LOAD( "4_graphics", 0x080000, 0x80000, CRC(0ca40557) SHA1(ca2db57d64ece90f2066f15b276c8d5827dcb4fa) )
	ROM_LOAD( "5_graphics",   0x100000, 0x80000, CRC(664b6679) SHA1(f9f78bd34fb58e24f890a540382392e1c9d01220) )

	ROM_REGION( 0x40000, "oki", 0 )
	ROM_LOAD( "sample", 0x000000, 0x40000, CRC(b10d3132) SHA1(42613e17b6a1300063b8355596a2dc7bcd903777) )
ROM_END

ROM_START( onetwoe )
	ROM_REGION( 0x30000, "main", 0 ) /* main z80 */
	ROM_LOAD( "main_prog", 0x10000,  0x20000, CRC(6c1936e9) SHA1(d8fb3056299c9b45e0b537e77dc0d633882705dd) )

	ROM_REGION( 0x10000, "audio", 0 ) /* sound z80 */
	ROM_LOAD( "sound_prog",  0x00000,  0x10000, CRC(90aba4f3) SHA1(914b1c8684993ddc7200a3d61e07f4f6d59e9d02) )

	ROM_REGION( 0x180000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "3_grfx", 0x000000, 0x80000, CRC(0f9f39ff) SHA1(85d107306c8c5718da3b751221791404cfe12a3d) )
	ROM_LOAD( "4_grfx", 0x080000, 0x80000, CRC(2b0e0564) SHA1(092bf0bb7be12ed1aa8a4ed1e88143ea88819497) )
	ROM_LOAD( "5_grfx", 0x100000, 0x80000, CRC(69807a9b) SHA1(6c1d79e86e3575da29bc299670e38019eef53493) )

	ROM_REGION( 0x40000, "oki", 0 )
	ROM_LOAD( "sample", 0x000000, 0x40000, CRC(b10d3132) SHA1(42613e17b6a1300063b8355596a2dc7bcd903777) )
ROM_END

GAME( 1997, onetwo,       0, onetwo, onetwo, 0, ROT0, "Barko", "One + Two", 0 )
GAME( 1997, onetwoe, onetwo, onetwo, onetwo, 0, ROT0, "Barko", "One + Two (earlier)", 0 )