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Diffstat (limited to 'src/mame/drivers/tail2nos.c')
-rw-r--r--src/mame/drivers/tail2nos.c378
1 files changed, 378 insertions, 0 deletions
diff --git a/src/mame/drivers/tail2nos.c b/src/mame/drivers/tail2nos.c
new file mode 100644
index 00000000000..0e734bb5326
--- /dev/null
+++ b/src/mame/drivers/tail2nos.c
@@ -0,0 +1,378 @@
+/***************************************************************************
+
+Tail to Nose / Super Formula - (c) 1989 Video System Co.
+
+Driver by Nicola Salmoria
+
+
+press F1+F3 to see ROM/RAM tests and the final animation
+
+***************************************************************************/
+
+#include "driver.h"
+#include "video/konamiic.h"
+#include "cpu/z80/z80.h"
+#include "sound/2608intf.h"
+
+
+extern UINT16 *tail2nos_bgvideoram;
+
+WRITE16_HANDLER( tail2nos_bgvideoram_w );
+READ16_HANDLER( tail2nos_zoomdata_r );
+WRITE16_HANDLER( tail2nos_zoomdata_w );
+WRITE16_HANDLER( tail2nos_gfxbank_w );
+VIDEO_START( tail2nos );
+VIDEO_UPDATE( tail2nos );
+
+
+static MACHINE_RESET( tail2nos )
+{
+ /* point to the extra ROMs */
+ memory_set_bankptr(1,memory_region(REGION_USER1));
+ memory_set_bankptr(2,memory_region(REGION_USER2));
+
+ /* initialize sound bank */
+ memory_set_bankptr(3,memory_region(REGION_CPU2) + 0x10000);
+}
+
+
+static WRITE16_HANDLER( sound_command_w )
+{
+ if (ACCESSING_LSB)
+ {
+ soundlatch_w(offset,data & 0xff);
+ cpunum_set_input_line(1,INPUT_LINE_NMI,PULSE_LINE);
+ }
+}
+
+static READ16_HANDLER( tail2nos_K051316_0_r )
+{
+ return K051316_0_r(offset);
+}
+
+static WRITE16_HANDLER( tail2nos_K051316_0_w )
+{
+ if (ACCESSING_LSB)
+ K051316_0_w(offset,data & 0xff);
+}
+
+static WRITE16_HANDLER( tail2nos_K051316_ctrl_0_w )
+{
+ if (ACCESSING_LSB)
+ K051316_ctrl_0_w(offset,data & 0xff);
+}
+
+static WRITE8_HANDLER( sound_bankswitch_w )
+{
+ memory_set_bankptr(3,memory_region(REGION_CPU2) + 0x10000 + (data & 0x01) * 0x8000);
+}
+
+
+
+static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x03ffff) AM_READ(MRA16_ROM)
+ AM_RANGE(0x200000, 0x27ffff) AM_READ(MRA16_BANK1) /* extra ROM */
+ AM_RANGE(0x2c0000, 0x2dffff) AM_READ(MRA16_BANK2) /* extra ROM */
+ AM_RANGE(0x400000, 0x41ffff) AM_READ(tail2nos_zoomdata_r)
+ AM_RANGE(0x500000, 0x500fff) AM_READ(tail2nos_K051316_0_r)
+ AM_RANGE(0xff8000, 0xffbfff) AM_READ(MRA16_RAM) /* work RAM */
+ AM_RANGE(0xffc000, 0xffc2ff) AM_READ(MRA16_RAM) /* sprites */
+ AM_RANGE(0xffc300, 0xffcfff) AM_READ(MRA16_RAM)
+ AM_RANGE(0xffd000, 0xffdfff) AM_READ(MRA16_RAM)
+ AM_RANGE(0xffe000, 0xffefff) AM_READ(MRA16_RAM)
+ AM_RANGE(0xfff000, 0xfff001) AM_READ(input_port_0_word_r)
+ AM_RANGE(0xfff004, 0xfff005) AM_READ(input_port_1_word_r)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 16 )
+ AM_RANGE(0x000000, 0x03ffff) AM_WRITE(MWA16_ROM)
+ AM_RANGE(0x200000, 0x27ffff) AM_WRITE(MWA16_ROM)
+ AM_RANGE(0x2c0000, 0x2dffff) AM_WRITE(MWA16_ROM)
+ AM_RANGE(0x400000, 0x41ffff) AM_WRITE(tail2nos_zoomdata_w)
+ AM_RANGE(0x500000, 0x500fff) AM_WRITE(tail2nos_K051316_0_w)
+ AM_RANGE(0x510000, 0x51001f) AM_WRITE(tail2nos_K051316_ctrl_0_w)
+ AM_RANGE(0xff8000, 0xffbfff) AM_WRITE(MWA16_RAM) /* work RAM */
+ AM_RANGE(0xffc000, 0xffc2ff) AM_WRITE(MWA16_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size)
+ AM_RANGE(0xffc300, 0xffcfff) AM_WRITE(MWA16_RAM)
+ AM_RANGE(0xffd000, 0xffdfff) AM_WRITE(tail2nos_bgvideoram_w) AM_BASE(&tail2nos_bgvideoram)
+ AM_RANGE(0xffe000, 0xffefff) AM_WRITE(paletteram16_xRRRRRGGGGGBBBBB_word_w) AM_BASE(&paletteram16)
+ AM_RANGE(0xfff000, 0xfff001) AM_WRITE(tail2nos_gfxbank_w)
+ AM_RANGE(0xfff008, 0xfff009) AM_WRITE(sound_command_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x77ff) AM_READ(MRA8_ROM)
+ AM_RANGE(0x7800, 0x7fff) AM_READ(MRA8_RAM)
+ AM_RANGE(0x8000, 0xffff) AM_READ(MRA8_BANK3)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_writemem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x77ff) AM_WRITE(MWA8_ROM)
+ AM_RANGE(0x7800, 0x7fff) AM_WRITE(MWA8_RAM)
+ AM_RANGE(0x8000, 0xffff) AM_WRITE(MWA8_ROM)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_readport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x07, 0x07) AM_READ(soundlatch_r)
+#if 0
+ AM_RANGE(0x18, 0x18) AM_READ(YM2610_status_port_0_A_r)
+ AM_RANGE(0x1a, 0x1a) AM_READ(YM2610_status_port_0_B_r)
+#endif
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sound_writeport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x07, 0x07) AM_WRITE(MWA8_NOP) /* clear pending command */
+ AM_RANGE(0x08, 0x08) AM_WRITE(YM2608_control_port_0_A_w)
+ AM_RANGE(0x09, 0x09) AM_WRITE(YM2608_data_port_0_A_w)
+ AM_RANGE(0x0a, 0x0a) AM_WRITE(YM2608_control_port_0_B_w)
+ AM_RANGE(0x0b, 0x0b) AM_WRITE(YM2608_data_port_0_B_w)
+ADDRESS_MAP_END
+
+
+
+static INPUT_PORTS_START( tail2nos )
+ PORT_START
+ PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY
+ PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY
+ PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 )
+ PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT(0x1000, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Test Advance") PORT_CODE(KEYCODE_F1)
+ PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START
+ PORT_DIPNAME( 0x000f, 0x0000, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x0009, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x0008, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x0007, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x0006, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x000b, "6 Coins/4 Credits" )
+ PORT_DIPSETTING( 0x000c, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x000d, "5 Coins/6 Credits" )
+ PORT_DIPSETTING( 0x000e, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x000a, DEF_STR( 2C_3C ) )
+// PORT_DIPSETTING( 0x000f, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0001, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x0002, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0003, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0004, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0005, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x00f0, 0x0000, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x0090, DEF_STR( 5C_1C ) )
+ PORT_DIPSETTING( 0x0080, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x0070, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x0060, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x00b0, "6 Coins/4 Credits" )
+ PORT_DIPSETTING( 0x00c0, DEF_STR( 4C_3C ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x00d0, "5 Coins/6 Credits" )
+ PORT_DIPSETTING( 0x00e0, DEF_STR( 4C_5C ) )
+ PORT_DIPSETTING( 0x00a0, DEF_STR( 2C_3C ) )
+// PORT_DIPSETTING( 0x00f0, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0010, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x0020, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0030, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0040, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0050, DEF_STR( 1C_6C ) )
+ PORT_DIPNAME( 0x0300, 0x0000, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x0100, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x0200, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x0300, DEF_STR( Hardest ) )
+ PORT_DIPNAME( 0x0400, 0x0000, DEF_STR( Demo_Sounds ) )
+ PORT_DIPSETTING( 0x0400, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_SERVICE( 0x0800, IP_ACTIVE_HIGH )
+ PORT_DIPNAME( 0x1000, 0x1000, "Game Mode" )
+ PORT_DIPSETTING( 0x1000, DEF_STR( Single ) )
+ PORT_DIPSETTING( 0x0000, "Multiple" )
+ PORT_DIPNAME( 0x2000, 0x0000, DEF_STR( Flip_Screen ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x2000, DEF_STR( On ) )
+ PORT_DIPNAME( 0x4000, 0x4000, "Control Panel" )
+ PORT_DIPSETTING( 0x4000, DEF_STR( Standard ) )
+ PORT_DIPSETTING( 0x0000, "Original" )
+ PORT_DIPNAME( 0x8000, 0x0000, "Country" )
+ PORT_DIPSETTING( 0x0000, "Domestic" )
+ PORT_DIPSETTING( 0x8000, "Overseas" )
+INPUT_PORTS_END
+
+
+
+static const gfx_layout tail2nos_charlayout =
+{
+ 8,8,
+ RGN_FRAC(1,1),
+ 4,
+ { 0, 1, 2, 3 },
+ { 1*4, 0*4, 3*4, 2*4, 5*4, 4*4, 7*4, 6*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
+ 32*8
+};
+
+static const gfx_layout tail2nos_spritelayout =
+{
+ 16,32,
+ RGN_FRAC(1,2),
+ 4,
+ { 0, 1, 2, 3 },
+ { 1*4, 0*4, 3*4, 2*4, RGN_FRAC(1,2)+1*4, RGN_FRAC(1,2)+0*4, RGN_FRAC(1,2)+3*4, RGN_FRAC(1,2)+2*4,
+ 5*4, 4*4, 7*4, 6*4, RGN_FRAC(1,2)+5*4, RGN_FRAC(1,2)+4*4, RGN_FRAC(1,2)+7*4, RGN_FRAC(1,2)+6*4 },
+ { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32,
+ 8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32,
+ 16*32, 17*32, 18*32, 19*32, 20*32, 21*32, 22*32, 23*32,
+ 24*32, 25*32, 26*32, 27*32, 28*32, 29*32, 30*32, 31*32 },
+ 128*8
+};
+
+static GFXDECODE_START( tail2nos )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, tail2nos_charlayout, 0, 128 )
+ GFXDECODE_ENTRY( REGION_GFX2, 0, tail2nos_spritelayout, 0, 128 )
+GFXDECODE_END
+
+
+
+static void irqhandler(int irq)
+{
+ cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
+}
+
+static struct YM2608interface ym2608_interface =
+{
+ 0,
+ 0,
+ 0,
+ sound_bankswitch_w,
+ irqhandler,
+ REGION_SOUND1
+};
+
+
+
+static MACHINE_DRIVER_START( tail2nos )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(M68000,20000000/2) /* 10 MHz (?) */
+ MDRV_CPU_PROGRAM_MAP(readmem,writemem)
+ MDRV_CPU_VBLANK_INT(irq6_line_hold,1)
+
+ MDRV_CPU_ADD(Z80,8000000/2)
+ /* audio CPU */ /* 4 MHz ??? */
+ MDRV_CPU_PROGRAM_MAP(sound_readmem,sound_writemem)
+ MDRV_CPU_IO_MAP(sound_readport,sound_writeport)
+ /* IRQs are triggered by the YM2608 */
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+
+ MDRV_MACHINE_RESET(tail2nos)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(64*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 1*8, 31*8-1)
+ MDRV_GFXDECODE(tail2nos)
+ MDRV_PALETTE_LENGTH(2048)
+
+ MDRV_VIDEO_START(tail2nos)
+ MDRV_VIDEO_UPDATE(tail2nos)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_STEREO("left", "right")
+
+ MDRV_SOUND_ADD(YM2608, 8000000)
+ MDRV_SOUND_CONFIG(ym2608_interface)
+ MDRV_SOUND_ROUTE(0, "left", 0.25)
+ MDRV_SOUND_ROUTE(0, "right", 0.25)
+ MDRV_SOUND_ROUTE(1, "left", 1.0)
+ MDRV_SOUND_ROUTE(2, "right", 1.0)
+MACHINE_DRIVER_END
+
+
+
+ROM_START( tail2nos )
+ ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "v4", 0x00000, 0x10000, CRC(1d4240c2) SHA1(db8992d8e718e20acb7b3f2f0b1f358098863145) )
+ ROM_LOAD16_BYTE( "v7", 0x00001, 0x10000, CRC(0fb70066) SHA1(3d38672402d5ab70599c191cc274746a192b399b) )
+ ROM_LOAD16_BYTE( "v3", 0x20000, 0x10000, CRC(e2e0abad) SHA1(1a1054bada9654484fe81fe4b4b32af5ab7b53f0) )
+ ROM_LOAD16_BYTE( "v6", 0x20001, 0x10000, CRC(069817a7) SHA1(cca382fe2a49c8c3c84b879a1c30dffff84ef406) )
+
+ ROM_REGION16_BE( 0x80000, REGION_USER1, 0 )
+ /* extra ROM mapped at 200000 */
+ ROM_LOAD16_WORD_SWAP( "a23", 0x00000, 0x80000, CRC(d851cf04) SHA1(ac5b366b686c5a037b127d223dc6fe90985eb160) )
+
+ ROM_REGION16_BE( 0x20000, REGION_USER2, 0 )
+ /* extra ROM mapped at 2c0000 */
+ ROM_LOAD16_BYTE( "v5", 0x00000, 0x10000, CRC(a9fe15a1) SHA1(d90bf40c610ea7daaa338f83f82cdffbae7da08e) )
+ ROM_LOAD16_BYTE( "v8", 0x00001, 0x10000, CRC(4fb6a43e) SHA1(5cddda0029b3b141c88b0c128655d35bb12fa34d) )
+
+ ROM_REGION( 0x20000, REGION_CPU2, 0 ) /* 64k for the audio CPU + banks */
+ ROM_LOAD( "v2", 0x00000, 0x08000, CRC(920d8920) SHA1(b8d30903248fee6f985af7fafbe534cfc8c6e829) )
+ ROM_LOAD( "v1", 0x10000, 0x10000, CRC(bf35c1a4) SHA1(a838740e023dc3344dc528324a8dbc48bb98b574) )
+
+ ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "a24", 0x00000, 0x80000, CRC(b1e9de43) SHA1(0144252dd9ed561fbebd4994cccf11f6c87e1825) )
+ ROM_LOAD( "o1s", 0x80000, 0x40000, CRC(e27a8eb4) SHA1(4fcadabf42a1c3deeb6d74d75cdbee802cf16db5) )
+
+ ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "oj1", 0x000000, 0x40000, CRC(39c36b35) SHA1(a97480696bf6d81bf415737e03cc5324d439ab84) )
+ ROM_LOAD( "oj2", 0x040000, 0x40000, CRC(77ccaea2) SHA1(e38175859c75c6d0f2f01752fad6e167608c4662) )
+
+ ROM_REGION( 0x20000, REGION_GFX3, ROMREGION_ERASE00 ) /* gfx data for the 051316 */
+ /* RAM, not ROM - handled at run time */
+
+ ROM_REGION( 0x20000, REGION_SOUND1, 0 ) /* sound samples */
+ ROM_LOAD( "osb", 0x00000, 0x20000, CRC(d49ab2f5) SHA1(92f7f6c8f35ac39910879dd88d2cfb6db7c848c9) )
+ROM_END
+
+ROM_START( sformula )
+ ROM_REGION( 0x40000, REGION_CPU1, 0 ) /* 68000 code */
+ ROM_LOAD16_BYTE( "ic129.4", 0x00000, 0x10000, CRC(672bf690) SHA1(b322234b47f20a36430bc03be0b52d9b7f82967b) )
+ ROM_LOAD16_BYTE( "ic130.7", 0x00001, 0x10000, CRC(73f0c91c) SHA1(faf14eb1a210c7330b47b78ca6c6563ea6482b3b) )
+ ROM_LOAD16_BYTE( "v3", 0x20000, 0x10000, CRC(e2e0abad) SHA1(1a1054bada9654484fe81fe4b4b32af5ab7b53f0) )
+ ROM_LOAD16_BYTE( "v6", 0x20001, 0x10000, CRC(069817a7) SHA1(cca382fe2a49c8c3c84b879a1c30dffff84ef406) )
+
+ ROM_REGION16_BE( 0x80000, REGION_USER1, 0 )
+ /* extra ROM mapped at 200000 */
+ ROM_LOAD16_WORD_SWAP( "a23", 0x00000, 0x80000, CRC(d851cf04) SHA1(ac5b366b686c5a037b127d223dc6fe90985eb160) )
+
+ ROM_REGION16_BE( 0x20000, REGION_USER2, 0 )
+ /* extra ROM mapped at 2c0000 */
+ ROM_LOAD16_BYTE( "v5", 0x00000, 0x10000, CRC(a9fe15a1) SHA1(d90bf40c610ea7daaa338f83f82cdffbae7da08e) )
+ ROM_LOAD16_BYTE( "v8", 0x00001, 0x10000, CRC(4fb6a43e) SHA1(5cddda0029b3b141c88b0c128655d35bb12fa34d) )
+
+ ROM_REGION( 0x20000, REGION_CPU2, 0 ) /* 64k for the audio CPU + banks */
+ ROM_LOAD( "v2", 0x00000, 0x08000, CRC(920d8920) SHA1(b8d30903248fee6f985af7fafbe534cfc8c6e829) )
+ ROM_LOAD( "v1", 0x10000, 0x10000, CRC(bf35c1a4) SHA1(a838740e023dc3344dc528324a8dbc48bb98b574) )
+
+ ROM_REGION( 0x100000, REGION_GFX1, ROMREGION_DISPOSE )
+ ROM_LOAD( "a24", 0x00000, 0x80000, CRC(b1e9de43) SHA1(0144252dd9ed561fbebd4994cccf11f6c87e1825) )
+ ROM_LOAD( "o1s", 0x80000, 0x40000, CRC(e27a8eb4) SHA1(4fcadabf42a1c3deeb6d74d75cdbee802cf16db5) )
+
+ ROM_REGION( 0x080000, REGION_GFX2, ROMREGION_DISPOSE )
+ ROM_LOAD( "oj1", 0x000000, 0x40000, CRC(39c36b35) SHA1(a97480696bf6d81bf415737e03cc5324d439ab84) )
+ ROM_LOAD( "oj2", 0x040000, 0x40000, CRC(77ccaea2) SHA1(e38175859c75c6d0f2f01752fad6e167608c4662) )
+
+ ROM_REGION( 0x20000, REGION_GFX3, ROMREGION_ERASE00 ) /* gfx data for the 051316 */
+ /* RAM, not ROM - handled at run time */
+
+ ROM_REGION( 0x20000, REGION_SOUND1, 0 ) /* sound samples */
+ ROM_LOAD( "osb", 0x00000, 0x20000, CRC(d49ab2f5) SHA1(92f7f6c8f35ac39910879dd88d2cfb6db7c848c9) )
+ROM_END
+
+
+
+GAME( 1989, tail2nos, 0, tail2nos, tail2nos, 0, ROT90, "V-System Co.", "Tail to Nose - Great Championship", GAME_NO_COCKTAIL )
+GAME( 1989, sformula, tail2nos, tail2nos, tail2nos, 0, ROT90, "V-System Co.", "Super Formula (Japan)", GAME_NO_COCKTAIL )