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path: root/src/mame/drivers/olibochu.cpp
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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************

Oli-Boo-Chu

driver by Nicola Salmoria

TODO:
- main->sound cpu communication is completely wrong, commands don't play the
  intended sound.

============================================================================
PSG table:
data0 |data1   |sample            | possible data trigger
----------------------------------------------------------
0x80  |0x00    | coin             |
0x08  |0x00    | opening melody   |
0x40  |0x00    | bgm              |
0x04  |0x00    | hi-score melody  |
0x02  |0x00    | ending melody    |
0x01  |0x00    | spot melody      |
0x10  |0x00    | clear melody     |
0x20  |0x00    | race trap melody |
0x00  |0x80    | extend sound     |
0x00  |0x40    | oli paralyze     |
0x00  |0x04    | chu out          |
0x00  |0x08    | mystery sound    |
0x00  |0x01    | oli out          |
0x00  |0x10    | chu has food     |
0x00  |0x00    | <stop playing>   |
-----------------------------------------------------------
       0x02?                        *0xb doesn't do nothing
       0x20?                        *0xc doesn't do nothing

$7004 writes, related to $7000 reads
0x00-0x0f <don't care (retains previous value>
0x10-0x1f 0x28
0x20-0x2f 0x00
0x30-0x3f 0x48
0x40-0x4f 0x00
0x50-0x5f 0x80
0x60-0x6f 0x3a
0x70-0x7f 0x70
0x80-0x8f 0x0f
0x90-0x9f 0x0a
0xa0-0xaf 0x3a
0xb0-0xbf 0x61
0xc0-0xcf 0xca
0xd0-0xdf 0x01
0xe0-0xef 0x14
0xf0-0xff 0x32

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/gen_latch.h"
#include "machine/timer.h"
#include "sound/ay8910.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"

class olibochu_state : public driver_device
{
public:
	olibochu_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_videoram(*this, "videoram"),
		m_colorram(*this, "colorram"),
		m_spriteram(*this, "spriteram"),
		m_spriteram2(*this, "spriteram2"),
		m_maincpu(*this, "maincpu"),
		m_gfxdecode(*this, "gfxdecode"),
		m_palette(*this, "palette"),
		m_soundlatch(*this, "soundlatch") { }

	void olibochu(machine_config &config);

private:
	/* memory pointers */
	required_shared_ptr<uint8_t> m_videoram;
	required_shared_ptr<uint8_t> m_colorram;
	required_shared_ptr<uint8_t> m_spriteram;
	required_shared_ptr<uint8_t> m_spriteram2;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_palette;
	required_device<generic_latch_8_device> m_soundlatch;

	/* video-related */
	tilemap_t  *m_bg_tilemap;

	/* misc */
	int m_cmd;
	DECLARE_WRITE8_MEMBER(olibochu_videoram_w);
	DECLARE_WRITE8_MEMBER(olibochu_colorram_w);
	DECLARE_WRITE8_MEMBER(olibochu_flipscreen_w);
	DECLARE_WRITE8_MEMBER(sound_command_w);
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	DECLARE_PALETTE_INIT(olibochu);
	uint32_t screen_update_olibochu(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	TIMER_DEVICE_CALLBACK_MEMBER(olibochu_scanline);
	void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
	void olibochu_map(address_map &map);
	void olibochu_sound_map(address_map &map);
};



PALETTE_INIT_MEMBER(olibochu_state, olibochu)
{
	const uint8_t *color_prom = memregion("proms")->base();
	int i;

	for (i = 0; i < palette.entries(); i++)
	{
		uint8_t pen;
		int bit0, bit1, bit2, r, g, b;

		if (i < 0x100)
			/* characters */
			pen = (color_prom[0x020 + (i - 0x000)] & 0x0f) | 0x10;
		else
			/* sprites */
			pen = (color_prom[0x120 + (i - 0x100)] & 0x0f) | 0x00;

		/* red component */
		bit0 = BIT(color_prom[pen], 0);
		bit1 = BIT(color_prom[pen], 1);
		bit2 = BIT(color_prom[pen], 2);
		r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;

		/* green component */
		bit0 = BIT(color_prom[pen], 3);
		bit1 = BIT(color_prom[pen], 4);
		bit2 = BIT(color_prom[pen], 5);
		g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;

		/* blue component */
		bit0 = BIT(color_prom[pen], 6);
		bit1 = BIT(color_prom[pen], 7);
		b = 0x4f * bit0 + 0xa8 * bit1;

		palette.set_pen_color(i, rgb_t(r, g, b));
	}
}

WRITE8_MEMBER(olibochu_state::olibochu_videoram_w)
{
	m_videoram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(olibochu_state::olibochu_colorram_w)
{
	m_colorram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(olibochu_state::olibochu_flipscreen_w)
{
	if (flip_screen() != (data & 0x80))
	{
		flip_screen_set(data & 0x80);
		machine().tilemap().mark_all_dirty();
	}

	/* other bits are used, but unknown */
}

TILE_GET_INFO_MEMBER(olibochu_state::get_bg_tile_info)
{
	int attr = m_colorram[tile_index];
	int code = m_videoram[tile_index] + ((attr & 0x20) << 3);
	int color = (attr & 0x1f) + 0x20;
	int flags = ((attr & 0x40) ? TILE_FLIPX : 0) | ((attr & 0x80) ? TILE_FLIPY : 0);

	SET_TILE_INFO_MEMBER(0, code, color, flags);
}

void olibochu_state::video_start()
{
	m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(olibochu_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
}

void olibochu_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
{
	uint8_t *spriteram = m_spriteram;
	uint8_t *spriteram_2 = m_spriteram2;
	int offs;

	/* 16x16 sprites */
	for (offs = 0; offs < m_spriteram.bytes(); offs += 4)
	{
		int attr = spriteram[offs + 1];
		int code = spriteram[offs];
		int color = attr & 0x3f;
		int flipx = attr & 0x40;
		int flipy = attr & 0x80;
		int sx = spriteram[offs + 3];
		int sy = ((spriteram[offs + 2] + 8) & 0xff) - 8;

		if (flip_screen())
		{
			sx = 240 - sx;
			sy = 240 - sy;
			flipx = !flipx;
			flipy = !flipy;
		}


			m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
			code, color,
			flipx, flipy,
			sx, sy, 0);
	}

	/* 8x8 sprites */
	for (offs = 0; offs < m_spriteram2.bytes(); offs += 4)
	{
		int attr = spriteram_2[offs + 1];
		int code = spriteram_2[offs];
		int color = attr & 0x3f;
		int flipx = attr & 0x40;
		int flipy = attr & 0x80;
		int sx = spriteram_2[offs + 3];
		int sy = spriteram_2[offs + 2];

		if (flip_screen())
		{
			sx = 248 - sx;
			sy = 248 - sy;
			flipx = !flipx;
			flipy = !flipy;
		}


			m_gfxdecode->gfx(0)->transpen(bitmap,cliprect,
			code, color,
			flipx, flipy,
			sx, sy, 0);
	}
}

uint32_t olibochu_state::screen_update_olibochu(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
	draw_sprites(bitmap, cliprect);
	return 0;
}


WRITE8_MEMBER(olibochu_state::sound_command_w)
{
	int c;

	if (offset == 0)
		m_cmd = (m_cmd & 0x00ff) | (data << 8);
	else
		m_cmd = (m_cmd & 0xff00) | data;

	for (c = 15; c >= 0; c--)
		if (m_cmd & (1 << c)) break;

	if (c >= 0) m_soundlatch->write(space, 0, 15 - c);
}


void olibochu_state::olibochu_map(address_map &map)
{
	map(0x0000, 0x7fff).rom();
	map(0x8000, 0x83ff).ram().w(FUNC(olibochu_state::olibochu_videoram_w)).share("videoram");
	map(0x8400, 0x87ff).ram().w(FUNC(olibochu_state::olibochu_colorram_w)).share("colorram");
	map(0x9000, 0x903f).ram(); //???
	map(0x9800, 0x983f).ram(); //???
	map(0xa000, 0xa000).portr("IN0");
	map(0xa001, 0xa001).portr("IN1");
	map(0xa002, 0xa002).portr("IN2");
	map(0xa003, 0xa003).portr("DSW0");
	map(0xa004, 0xa004).portr("DSW1");
	map(0xa005, 0xa005).portr("DSW2");
	map(0xa800, 0xa801).w(FUNC(olibochu_state::sound_command_w));
	map(0xa802, 0xa802).w(FUNC(olibochu_state::olibochu_flipscreen_w));    /* bit 6 = enable sound? */
	map(0xf000, 0xffff).ram();
	map(0xf400, 0xf41f).ram().share("spriteram");
	map(0xf440, 0xf47f).ram().share("spriteram2");
}

void olibochu_state::olibochu_sound_map(address_map &map)
{
	map(0x0000, 0x1fff).rom();
	map(0x6000, 0x63ff).ram();
	map(0x7000, 0x7000).r(m_soundlatch, FUNC(generic_latch_8_device::read)); /* likely ay8910 input port, not direct */
	map(0x7000, 0x7001).w("aysnd", FUNC(ay8910_device::address_data_w));
	map(0x7004, 0x7004).nopw(); //sound filter?
	map(0x7006, 0x7006).nopw(); //irq ack?
}


static INPUT_PORTS_START( olibochu )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )  /* works in service mode but not in game */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	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_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("DSW0") /* Listed as sw1 */
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x0c, "5000" )
	PORT_DIPSETTING(    0x08, "10000" )
	PORT_DIPSETTING(    0x04, "15000" )
	PORT_DIPSETTING(    0x00, DEF_STR( None ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) /* Nothing listed for this DIP */
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) /* Nothing listed for this DIP */
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x80, "Cross Hatch Pattern" )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW1") /* Most likely not a bank of Dip Switches */
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW2") /* Listed as sw2 */
	PORT_DIPNAME( 0x01, 0x01, "Stop Mode (Cheat)") /* In stop mode, press 2 to stop and 1 to restart */
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x0e, 0x0e, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_5C ) )
	PORT_SERVICE( 0x10, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x20, 0x20, "Invulnerability (Cheat)" ) /* Listed as "No Hit" */
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) /* Listed as "Start Pattern"... Level Select or Preview?? */
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) /* Listed as "Screen 180" currently has no effect */
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END



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

static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,2),
	2,
	{ RGN_FRAC(1,2), 0 },
	{ 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 GFXDECODE_START( gfx_olibochu )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout,     0, 64 )
	GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 256, 64 )
GFXDECODE_END




void olibochu_state::machine_start()
{
	save_item(NAME(m_cmd));
}

void olibochu_state::machine_reset()
{
	m_cmd = 0;
}

TIMER_DEVICE_CALLBACK_MEMBER(olibochu_state::olibochu_scanline)
{
	int scanline = param;

	if(scanline == 248) // vblank-out irq
		m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xd7);   /* RST 10h - vblank */

	if(scanline == 0) // sprite buffer irq
		m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xcf);   /* RST 08h */
}

MACHINE_CONFIG_START(olibochu_state::olibochu)

	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", Z80, 4000000)   /* 4 MHz ?? */
	MCFG_DEVICE_PROGRAM_MAP(olibochu_map)
	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", olibochu_state, olibochu_scanline, "screen", 0, 1)

	MCFG_DEVICE_ADD("audiocpu", Z80, 4000000)  /* 4 MHz ?? */
	MCFG_DEVICE_PROGRAM_MAP(olibochu_sound_map)
	MCFG_DEVICE_PERIODIC_INT_DRIVER(olibochu_state, irq0_line_hold, 60) //???

//  MCFG_QUANTUM_PERFECT_CPU("maincpu")


	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(32*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(olibochu_state, screen_update_olibochu)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_olibochu)
	MCFG_PALETTE_ADD("palette", 512)
	MCFG_PALETTE_INIT_OWNER(olibochu_state, olibochu)

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	MCFG_GENERIC_LATCH_8_ADD("soundlatch")

	MCFG_DEVICE_ADD("aysnd", AY8910, 2000000)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END



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

  Game driver(s)

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

ROM_START( olibochu )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* main CPU */
	ROM_LOAD( "1b.3n",        0x0000, 0x1000, CRC(bf17f4f4) SHA1(1075456f4b70a68548e0e1b6271fd4b845a77ce4) )
	ROM_LOAD( "2b.3lm",       0x1000, 0x1000, CRC(63833b0d) SHA1(0135c449c92470241d03a87709c739209139d660) )
	ROM_LOAD( "3b.3k",        0x2000, 0x1000, CRC(a4038e8b) SHA1(d7dce830239c8975ac135b213a99eec0c20ec3e2) )
	ROM_LOAD( "4b.3j",        0x3000, 0x1000, CRC(aad4bec4) SHA1(9203564ac841a8de2f9b8183d4086acce95e3d47) )
	ROM_LOAD( "5b.3h",        0x4000, 0x1000, CRC(66efa79f) SHA1(535369d958461834435d3202cd7310ecd0aa528c) )
	ROM_LOAD( "6b.3f",        0x5000, 0x1000, CRC(1123d1ef) SHA1(6094e732e61915c45b14acd90c1343f05385daf4) )
	ROM_LOAD( "7c.3e",        0x6000, 0x1000, CRC(89c26fb4) SHA1(ebc51e40612af894b20bd7fc3a5179cd35aaac9b) )
	ROM_LOAD( "8b.3d",        0x7000, 0x1000, CRC(af19e5a5) SHA1(5a55bbee5b2f20e2988171a310c8293dabbd9a72) )

	ROM_REGION( 0x10000, "audiocpu", 0 )    /* sound CPU */
	ROM_LOAD( "17.4j",        0x0000, 0x1000, CRC(57f07402) SHA1(a763a835ac512c69b4351c1ec72b0a64e46203aa) )
	ROM_LOAD( "18.4l",        0x1000, 0x1000, CRC(0a903e9c) SHA1(d893c2f5373f748d8bebf3673b15014f4a8d4b5c) )

	ROM_REGION( 0x2000, "samples", 0 )  /* samples? */
	ROM_LOAD( "15.1k",        0x0000, 0x1000, CRC(fb5dd281) SHA1(fba947ae7b619c2559b5af69ef02acfb15733f0d) )
	ROM_LOAD( "16.1m",        0x1000, 0x1000, CRC(c07614a5) SHA1(d13d271a324f99d008429c16193c4504e5894493) )

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "13.6n",        0x0000, 0x1000, CRC(b4fcf9af) SHA1(b360daa0670160dca61512823c98bc37ad99b9cf) )
	ROM_LOAD( "14.4n",        0x1000, 0x1000, CRC(af54407e) SHA1(1883928b721e03e452fd0c626c403dc374b02ed7) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "9.6a",         0x0000, 0x1000, CRC(fa69e16e) SHA1(5a493a0a108b3e496884d1f499f3445d4e241ecd) )
	ROM_LOAD( "10.2a",        0x1000, 0x1000, CRC(10359f84) SHA1(df55f06fd98233d0efbc30e3e24bf9b8cab1a5cc) )
	ROM_LOAD( "11.4a",        0x2000, 0x1000, CRC(1d968f5f) SHA1(4acf78d865ca36355bb15dc1d476f5e97a5d91b7) )
	ROM_LOAD( "12.2a",        0x3000, 0x1000, CRC(d8f0c157) SHA1(a7b0c873e016c3b3252c2c9b6400b0fd3d650b2f) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "c-1",          0x0000, 0x0020, CRC(e488e831) SHA1(6264741f7091c614093ae1ea4f6ead3d0cef83d3) )    /* palette */
	ROM_LOAD( "c-2",          0x0020, 0x0100, CRC(698a3ba0) SHA1(3c1a6cb881ef74647c651462a27d812234408e45) )    /* sprite lookup table */
	ROM_LOAD( "c-3",          0x0120, 0x0100, CRC(efc4e408) SHA1(f0796426cf324791853aa2ae6d0c3d1f8108d5c2) )    /* char lookup table */
ROM_END



GAME( 1981, olibochu, 0, olibochu, olibochu, olibochu_state, empty_init, ROT270, "Irem / GDI", "Oli-Boo-Chu", MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )