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Diffstat (limited to 'src/mame/drivers/onetwo.cpp')
-rw-r--r--src/mame/drivers/onetwo.cpp432
1 files changed, 432 insertions, 0 deletions
diff --git a/src/mame/drivers/onetwo.cpp b/src/mame/drivers/onetwo.cpp
new file mode 100644
index 00000000000..4d53e4323de
--- /dev/null
+++ b/src/mame/drivers/onetwo.cpp
@@ -0,0 +1,432 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood, Pierpaolo Prazzoli
+/*
+
+ 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 "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/okim6295.h"
+#include "sound/3812intf.h"
+
+#define MASTER_CLOCK XTAL_4MHz
+
+class onetwo_state : public driver_device
+{
+public:
+ onetwo_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_paletteram(*this, "paletteram"),
+ m_paletteram2(*this, "paletteram2"),
+ m_fgram(*this, "fgram"),
+ m_maincpu(*this, "maincpu"),
+ m_audiocpu(*this, "audiocpu"),
+ m_gfxdecode(*this, "gfxdecode"),
+ m_palette(*this, "palette") { }
+
+ /* memory pointers */
+ required_shared_ptr<UINT8> m_paletteram;
+ required_shared_ptr<UINT8> m_paletteram2;
+ required_shared_ptr<UINT8> m_fgram;
+
+ /* video-related */
+ tilemap_t *m_fg_tilemap;
+
+ /* devices */
+ required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_audiocpu;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<palette_device> m_palette;
+
+ DECLARE_WRITE8_MEMBER(onetwo_fgram_w);
+ DECLARE_WRITE8_MEMBER(onetwo_cpubank_w);
+ DECLARE_WRITE8_MEMBER(onetwo_coin_counters_w);
+ DECLARE_WRITE8_MEMBER(onetwo_soundlatch_w);
+ DECLARE_WRITE8_MEMBER(palette1_w);
+ DECLARE_WRITE8_MEMBER(palette2_w);
+ TILE_GET_INFO_MEMBER(get_fg_tile_info);
+ virtual void machine_start();
+ virtual void video_start();
+ UINT32 screen_update_onetwo(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ void set_color(int offset);
+};
+
+
+
+/*************************************
+ *
+ * Video emulation
+ *
+ *************************************/
+
+TILE_GET_INFO_MEMBER(onetwo_state::get_fg_tile_info)
+{
+ int code = (m_fgram[tile_index * 2 + 1] << 8) | m_fgram[tile_index * 2];
+ int color = (m_fgram[tile_index * 2 + 1] & 0x80) >> 7;
+
+ code &= 0x7fff;
+
+ SET_TILE_INFO_MEMBER(0, code, color, 0);
+}
+
+void onetwo_state::video_start()
+{
+ m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(onetwo_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 32);
+}
+
+UINT32 onetwo_state::screen_update_onetwo(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
+ return 0;
+}
+
+/*************************************
+ *
+ * Memory handlers
+ *
+ *************************************/
+
+WRITE8_MEMBER(onetwo_state::onetwo_fgram_w)
+{
+ m_fgram[offset] = data;
+ m_fg_tilemap->mark_tile_dirty(offset / 2);
+}
+
+WRITE8_MEMBER(onetwo_state::onetwo_cpubank_w)
+{
+ membank("bank1")->set_entry(data);
+}
+
+WRITE8_MEMBER(onetwo_state::onetwo_coin_counters_w)
+{
+ machine().watchdog_reset();
+ coin_counter_w(machine(), 0, BIT(data, 1));
+ coin_counter_w(machine(), 1, BIT(data, 2));
+}
+
+WRITE8_MEMBER(onetwo_state::onetwo_soundlatch_w)
+{
+ soundlatch_byte_w(space, 0, data);
+ m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
+}
+
+void onetwo_state::set_color(int offset)
+{
+ int r, g, b;
+
+ r = m_paletteram[offset] & 0x1f;
+ g = m_paletteram2[offset] & 0x1f;
+ b = ((m_paletteram[offset] & 0x60) >> 2) | ((m_paletteram2[offset] & 0xe0) >> 5);
+ m_palette->set_pen_color(offset, pal5bit(r), pal5bit(g), pal5bit(b));
+}
+
+WRITE8_MEMBER(onetwo_state::palette1_w)
+{
+ m_paletteram[offset] = data;
+ set_color(offset);
+}
+
+WRITE8_MEMBER(onetwo_state::palette2_w)
+{
+ m_paletteram2[offset] = data;
+ set_color(offset);
+}
+
+/*************************************
+ *
+ * Address maps
+ *
+ *************************************/
+
+static ADDRESS_MAP_START( main_cpu, AS_PROGRAM, 8, onetwo_state )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0x10000)
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
+ AM_RANGE(0xc800, 0xc87f) AM_RAM_WRITE(palette1_w) AM_SHARE("paletteram")
+ AM_RANGE(0xc900, 0xc97f) AM_RAM_WRITE(palette2_w) AM_SHARE("paletteram2")
+ AM_RANGE(0xd000, 0xdfff) AM_RAM_WRITE(onetwo_fgram_w) AM_SHARE("fgram")
+ AM_RANGE(0xe000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( main_cpu_io, AS_IO, 8, onetwo_state )
+ 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
+
+static ADDRESS_MAP_START( sound_cpu, AS_PROGRAM, 8, onetwo_state )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0xf000, 0xf7ff) AM_RAM
+ AM_RANGE(0xf800, 0xf800) AM_READ(soundlatch_byte_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_cpu_io, AS_IO, 8, onetwo_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("ymsnd", ym3812_device, status_port_r, control_port_w)
+ AM_RANGE(0x20, 0x20) AM_DEVWRITE("ymsnd", ym3812_device, write_port_w)
+ AM_RANGE(0x40, 0x40) AM_DEVREADWRITE("oki", okim6295_device, read, write)
+ AM_RANGE(0xc0, 0xc0) AM_WRITE(soundlatch_clear_byte_w)
+ADDRESS_MAP_END
+
+/*************************************
+ *
+ * Input ports
+ *
+ *************************************/
+
+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,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,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,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
+
+/*************************************
+ *
+ * Graphics definitions
+ *
+ *************************************/
+
+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
+
+
+/*************************************
+ *
+ * Machine driver
+ *
+ *************************************/
+
+void onetwo_state::machine_start()
+{
+ UINT8 *ROM = memregion("maincpu")->base();
+
+ membank("bank1")->configure_entries(0, 8, &ROM[0x10000], 0x4000);
+
+}
+
+static MACHINE_CONFIG_START( onetwo, onetwo_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80,MASTER_CLOCK) /* 4 MHz */
+ MCFG_CPU_PROGRAM_MAP(main_cpu)
+ MCFG_CPU_IO_MAP(main_cpu_io)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", onetwo_state, irq0_line_hold)
+
+ MCFG_CPU_ADD("audiocpu", Z80,MASTER_CLOCK) /* 4 MHz */
+ MCFG_CPU_PROGRAM_MAP(sound_cpu)
+ MCFG_CPU_IO_MAP(sound_cpu_io)
+
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(16))
+ MCFG_SCREEN_SIZE(512, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
+ MCFG_SCREEN_UPDATE_DRIVER(onetwo_state, screen_update_onetwo)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", onetwo)
+ MCFG_PALETTE_ADD("palette", 0x80)
+
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("ymsnd", YM3812, MASTER_CLOCK)
+ MCFG_YM3812_IRQ_HANDLER(INPUTLINE("audiocpu", 0))
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ MCFG_OKIM6295_ADD("oki", 1056000*2, OKIM6295_PIN7_LOW) // clock frequency & pin 7 not verified
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+MACHINE_CONFIG_END
+
+/*************************************
+ *
+ * ROM definition(s)
+ *
+ *************************************/
+
+ROM_START( onetwo )
+ ROM_REGION( 0x30000, "maincpu", 0 ) /* main z80 */
+ ROM_LOAD( "maincpu", 0x10000, 0x20000, CRC(83431e6e) SHA1(61ab386a1d0af050f091f5df28c55ad5ad1a0d4b) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 ) /* sound z80 */
+ ROM_LOAD( "sound_prog", 0x00000, 0x10000, CRC(90aba4f3) SHA1(914b1c8684993ddc7200a3d61e07f4f6d59e9d02) )
+
+ ROM_REGION( 0x180000, "gfx1", 0 )
+ 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, "maincpu", 0 ) /* main z80 */
+ ROM_LOAD( "main_prog", 0x10000, 0x20000, CRC(6c1936e9) SHA1(d8fb3056299c9b45e0b537e77dc0d633882705dd) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 ) /* sound z80 */
+ ROM_LOAD( "sound_prog", 0x00000, 0x10000, CRC(90aba4f3) SHA1(914b1c8684993ddc7200a3d61e07f4f6d59e9d02) )
+
+ ROM_REGION( 0x180000, "gfx1", 0 )
+ 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 driver(s)
+ *
+ *************************************/
+
+GAME( 1997, onetwo, 0, onetwo, onetwo, driver_device, 0, ROT0, "Barko", "One + Two", MACHINE_SUPPORTS_SAVE )
+GAME( 1997, onetwoe, onetwo, onetwo, onetwo, driver_device, 0, ROT0, "Barko", "One + Two (earlier)", MACHINE_SUPPORTS_SAVE )