// 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;
void olibochu_palette(palette_device &palette) const;
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);
};
void olibochu_state::olibochu_palette(palette_device &palette) const
{
uint8_t const *const color_prom = memregion("proms")->base();
for (int i = 0; i < palette.entries(); i++)
{
int bit0, bit1, bit2;
uint8_t const pen = (color_prom[0x20 + i] & 0x0f) | ((i < 0x100) ? 0x10 : 0x00);
// red component
bit0 = BIT(color_prom[pen], 0);
bit1 = BIT(color_prom[pen], 1);
bit2 = BIT(color_prom[pen], 2);
int const 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);
int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
// blue component
bit0 = BIT(color_prom[pen], 6);
bit1 = BIT(color_prom[pen], 7);
int const 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(m_palette)
MCFG_DEVICE_ADD(m_gfxdecode, GFXDECODE, m_palette, gfx_olibochu)
PALETTE(config, m_palette, FUNC(olibochu_state::olibochu_palette), 512);
/* sound hardware */
SPEAKER(config, "mono").front_center();
GENERIC_LATCH_8(config, m_soundlatch);
AY8910(config, "aysnd", 2'000'000).add_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 )