/* Pass (c)1992, Oksan Driver by David Haywood Inputs by Stephh Is that a Korean flag I see? Are Oksan maybe a Korean Developer? Information from ReadMe ----------------------- Pass, Oksan, 1992 CPU : MC68000P10 Sound : YM2203C Other main chips : Goldstar Z8400B PS, 4 * Hyundai HY6264ALP-10 Also : PAL20L8ACNS The rest all TTl chips 8 dipswitches (1 bank) speed : 14.31818MHz Rest see pic (included was scans of the board) ---------------------- Working Notes: 68k interrupts lev 1 : 0x64 : 0000 0500 - vblank? lev 2 : 0x68 : 0000 0500 - vblank? lev 3 : 0x6c : 0000 0500 - vblank? lev 4 : 0x70 : 0000 0500 - vblank? lev 5 : 0x74 : 0000 0500 - vblank? lev 6 : 0x78 : 0000 0500 - vblank? lev 7 : 0x7c : 0000 0500 - vblank? (all point to the same place ..) z80 interrupts 0x38 looks to have a valid IRQ 0x66 might be valid NMI -- stephh's notes on the inputs -- reads from 0x230100.w : 0x001066 : mask = 0xe000 (coinage) 0x00124e : mask = 0x0300 (player 1 lives) 0x001292 : mask = 0x0300 (player 2 lives) 0x0046ea : mask = 0x0001 (unknown effect - flip ? demo sounds ?) -> 0x004182 : mask = 0x1800 (time, difficulty) reads from 0x230200.w : 0x001000 : mask = 0xffff -> >> 0 in 0x080010 0x001000 : mask = 0x00f0 -> >> 4 in 0x080016 (player 1 directions) 0x001000 : mask = 0xf000 -> >> 12 in 0x080018 (player 2 directions) 0x080010.w : inputs bit 00 : COIN1 bit 01 : START1 bit 02 : tested at 0x002bca, 0x002f00, 0x004c26, 0x00c25e, 0x001f48, 0x00c474, 0x00c628 bit 03 : tested at 0x002bca, 0x002f00, 0x004c4c, 0x00c2ce, 0x00c644 bit 04 : UP bit 05 : DOWN bit 06 : LEFT bit 07 : RIGHT bit 08 : COIN2 bit 09 : START2 bit 10 : tested at 0x002bca, 0x002f00, 0x004c8a, 0x00c2a8, 0x0021b8 bit 11 : tested at 0x002bca, 0x002f00, 0x004cb0, 0x00c282 bit 12 : UP bit 13 : DOWN bit 14 : LEFT bit 15 : RIGHT 0x080014.w : credits (max = 0x005a) 0x08007e.w : lives (player 1) 0x080080.w : lives (player 2) 0x080002.w : time (0x0000-0x0099, BCD coded) --- Game Notes --- Graphical Glitches caused when 2 sprites are close together are NOT bugs, the Sprites are infact contructed from a tilemap made of 4x4 tiles. I imagine flicker on the main character at times is also correct. Its rather interesting to see a game this old using 8bpp tiles */ #include "driver.h" #include "cpu/z80/z80.h" #include "cpu/m68000/m68000.h" #include "sound/2203intf.h" #include "sound/okim6295.h" UINT16 *pass_bg_videoram; UINT16 *pass_fg_videoram; /* in video */ VIDEO_START( pass ); VIDEO_UPDATE( pass ); WRITE16_HANDLER( pass_fg_videoram_w ); WRITE16_HANDLER( pass_bg_videoram_w ); /* end in video */ static WRITE16_HANDLER ( pass_soundwrite ) { soundlatch_w(space,0,data & 0xff); } /* todo: check all memory regions actually readable / read from */ static ADDRESS_MAP_START( pass_readmem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x03ffff) AM_READ(SMH_ROM) AM_RANGE(0x080000, 0x083fff) AM_READ(SMH_RAM) AM_RANGE(0x200000, 0x200fff) AM_READ(SMH_RAM) AM_RANGE(0x210000, 0x213fff) AM_READ(SMH_RAM) AM_RANGE(0x220000, 0x2203ff) AM_READ(SMH_RAM) AM_RANGE(0x230100, 0x230101) AM_READ_PORT("DSW") AM_RANGE(0x230200, 0x230201) AM_READ_PORT("INPUTS") ADDRESS_MAP_END static ADDRESS_MAP_START( pass_writemem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x03ffff) AM_WRITE(SMH_ROM) AM_RANGE(0x080000, 0x083fff) AM_WRITE(SMH_RAM) AM_RANGE(0x200000, 0x200fff) AM_WRITE(pass_bg_videoram_w) AM_BASE(&pass_bg_videoram) // Background AM_RANGE(0x210000, 0x213fff) AM_WRITE(pass_fg_videoram_w) AM_BASE(&pass_fg_videoram) // Foreground AM_RANGE(0x220000, 0x2203ff) AM_WRITE(paletteram16_xRRRRRGGGGGBBBBB_word_w) AM_BASE(&paletteram16) AM_RANGE(0x230000, 0x230001) AM_WRITE(pass_soundwrite) ADDRESS_MAP_END /* sound cpu */ static ADDRESS_MAP_START( pass_sound_readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_READ(SMH_ROM) AM_RANGE(0xf800, 0xffff) AM_READ(SMH_RAM) ADDRESS_MAP_END static ADDRESS_MAP_START( pass_sound_writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_WRITE(SMH_ROM) AM_RANGE(0xf800, 0xffff) AM_WRITE(SMH_RAM) ADDRESS_MAP_END static ADDRESS_MAP_START( pass_sound_io_map, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_READ(soundlatch_r) AM_RANGE(0x70, 0x71) AM_DEVREADWRITE("ym", ym2203_r, ym2203_w) AM_RANGE(0x80, 0x80) AM_DEVWRITE("oki", okim6295_w) AM_RANGE(0xc0, 0xc0) AM_WRITE(soundlatch_clear_w) ADDRESS_MAP_END /* todo : work out function of unknown but used dsw */ static INPUT_PORTS_START( pass ) PORT_START("DSW") PORT_DIPNAME( 0x0001, 0x0001, "Unknown SW 0-0" ) // USED ! Check code at 0x0046ea PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0002, 0x0002, "Unused SW 0-1" ) // Unused ? PORT_DIPSETTING( 0x0002, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0004, 0x0004, "Unused SW 0-2" ) // Unused ? PORT_DIPSETTING( 0x0004, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0008, 0x0008, "Unused SW 0-3" ) // Unused ? PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, "Unused SW 0-4" ) // Unused ? PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0020, "Unused SW 0-5" ) // Unused ? PORT_DIPSETTING( 0x0020, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0040, 0x0040, "Unused SW 0-6" ) // Unused ? PORT_DIPSETTING( 0x0040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0080, 0x0080, "Unused SW 0-7" ) // Unused ? PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x0000, "2" ) PORT_DIPSETTING( 0x0300, "3" ) PORT_DIPSETTING( 0x0100, "4" ) PORT_DIPSETTING( 0x0200, "5" ) PORT_DIPNAME( 0x0400, 0x0400, "Unused SW 0-10" ) // Unused ? PORT_DIPSETTING( 0x0400, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x1800, 0x0000, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Easy ) ) // Time = 99 PORT_DIPSETTING( 0x1800, DEF_STR( Normal ) ) // Time = 88 PORT_DIPSETTING( 0x0800, DEF_STR( Hard ) ) // Time = 77 PORT_DIPSETTING( 0x1000, DEF_STR( Hardest ) ) // Time = 66 PORT_DIPNAME( 0xe000, 0xe000, DEF_STR( Coinage ) ) // PORT_DIPSETTING( 0x0000, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x8000, DEF_STR( 4C_1C ) ) PORT_DIPSETTING( 0x4000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0xc000, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0xe000, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x6000, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0xa000, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x2000, DEF_STR( 1C_4C ) ) PORT_START("INPUTS") PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) INPUT_PORTS_END static const gfx_layout tiles8x8_layout = { 8,8, RGN_FRAC(1,1), 8, { 0,1, 2,3, 4,5,6,7 }, { 0, 8, 16, 24, 32, 40, 48, 56 }, { 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64 }, 64*8 }; /* for something so simple this took a while to see */ static const gfx_layout tiles4x4_fg_layout = { 4,4, RGN_FRAC(1,1), 8, { 0,1, 2,3, 4,5,6,7 }, { 0, 8, 16, 24 }, { 0*32, 1*32, 2*32, 3*32 }, 4*32 }; static GFXDECODE_START( pass ) GFXDECODE_ENTRY( "gfx1", 0, tiles4x4_fg_layout, 256, 2 ) GFXDECODE_ENTRY( "gfx2", 0, tiles8x8_layout, 0, 2 ) GFXDECODE_END /* todo : is this correct? */ static MACHINE_DRIVER_START( pass ) /* basic machine hardware */ MDRV_CPU_ADD("maincpu", M68000, 14318180/2 ) MDRV_CPU_PROGRAM_MAP(pass_readmem,pass_writemem) MDRV_CPU_VBLANK_INT("screen", irq1_line_hold) /* all the same */ MDRV_CPU_ADD("audiocpu", Z80, 14318180/4 ) MDRV_CPU_PROGRAM_MAP(pass_sound_readmem,pass_sound_writemem) MDRV_CPU_IO_MAP(pass_sound_io_map,0) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) /* video hardware */ MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(64*8, 32*8) MDRV_SCREEN_VISIBLE_AREA(8*8, 48*8-1, 2*8, 30*8-1) MDRV_PALETTE_LENGTH(0x200) MDRV_GFXDECODE(pass) MDRV_VIDEO_START(pass) MDRV_VIDEO_UPDATE(pass) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ym", YM2203, 14318180/4) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60) MDRV_SOUND_ADD("oki", OKIM6295, 792000) MDRV_SOUND_CONFIG(okim6295_interface_pin7high) // clock frequency & pin 7 not verified MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.60) MACHINE_DRIVER_END ROM_START( pass ) ROM_REGION( 0x40000, "maincpu", 0 ) /* 68k */ ROM_LOAD16_BYTE( "33", 0x00001, 0x20000, CRC(0c5f18f6) SHA1(49b60d46e4149ad1d49b044522a6888737c17e7d) ) ROM_LOAD16_BYTE( "34", 0x00000, 0x20000, CRC(7b54573d) SHA1(251e99fa1f045ae4c90676e1953e49e8191440e4) ) ROM_REGION( 0x10000, "audiocpu", 0 ) /* z80 clone? */ ROM_LOAD( "23", 0x00000, 0x10000, CRC(b9a0ccde) SHA1(33e7dda247aa44b1933ae9c033c161c152276ce6) ) ROM_REGION( 0x20000, "oki", 0 ) /* samples? */ ROM_LOAD( "31", 0x00000, 0x20000, CRC(c7315bbd) SHA1(c0bb392793cafc7b3f76da8fb26c6c16948f87e5) ) ROM_REGION( 0x40000, "gfx1", 0 ) /* fg layer 'sprites' */ ROM_LOAD16_BYTE( "35", 0x00000, 0x20000, CRC(2ab33f07) SHA1(23f2481450b3f43bbe3856c4cf595af74b1da2e0) ) ROM_LOAD16_BYTE( "36", 0x00001, 0x20000, CRC(6677709d) SHA1(0d3df11097855294d606e46c0db0cf801c1dc28a) ) ROM_REGION( 0x80000, "gfx2", 0 ) /* bg tiles */ ROM_LOAD16_BYTE( "37", 0x40000, 0x20000, CRC(296499e7) SHA1(b7727f7942e20a2428df84e99075a572189a0096) ) ROM_LOAD16_BYTE( "39", 0x40001, 0x20000, CRC(35c0ad5c) SHA1(78e3ca8b2e382a3c7bc53ede2ef5611c520ab095) ) ROM_LOAD16_BYTE( "38", 0x00000, 0x20000, CRC(7f11b81a) SHA1(50253da7c13f9390fe7afd2faf17b8057f0bee1b) ) ROM_LOAD16_BYTE( "40", 0x00001, 0x20000, CRC(80e0a71d) SHA1(e62c855f357e7492a59f8719c62a16d418dfa60b) ) ROM_END GAME( 1992, pass, 0, pass, pass, 0, ROT0, "Oksan", "Pass", 0)