/*************************************************************************** Mysterious Stones driver by Nicola Salmoria Notes: - The subtitle of the two sets is slightly different: "dr john s adventure" vs. "dr kick in adventure". The Dr John's is a bug fix. See the routine at 4376/4384 for example. The old set thrashes the Y register, the new one saves in on the stack. The newer set also resets the sound chips more often. ***************************************************************************/ #include "driver.h" #include "sound/ay8910.h" extern UINT8 *mystston_videoram2; extern WRITE8_HANDLER( mystston_videoram_w ); extern WRITE8_HANDLER( mystston_videoram2_w ); extern WRITE8_HANDLER( mystston_scroll_w ); extern WRITE8_HANDLER( mystston_control_w ); extern PALETTE_INIT( mystston ); extern VIDEO_START( mystston ); extern VIDEO_UPDATE( mystston ); static int VBLK = 0x80; static int soundlatch; static WRITE8_HANDLER( mystston_soundlatch_w ) { soundlatch = data; } static WRITE8_HANDLER( mystston_soundcontrol_w ) { static int last; /* bit 5 goes to 8910 #0 BDIR pin */ if ((last & 0x20) == 0x20 && (data & 0x20) == 0x00) { /* bit 4 goes to the 8910 #0 BC1 pin */ if (last & 0x10) AY8910_control_port_0_w(0,soundlatch); else AY8910_write_port_0_w(0,soundlatch); } /* bit 7 goes to 8910 #1 BDIR pin */ if ((last & 0x80) == 0x80 && (data & 0x80) == 0x00) { /* bit 6 goes to the 8910 #1 BC1 pin */ if (last & 0x40) AY8910_control_port_1_w(0,soundlatch); else AY8910_write_port_1_w(0,soundlatch); } last = data; } static READ8_HANDLER( port3_r ) { int port = readinputport(3); return port | VBLK; } static WRITE8_HANDLER( mystston_irq_reset_w ) { cpunum_set_input_line(0, 0, CLEAR_LINE); } static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x077f) AM_READ(MRA8_RAM) AM_RANGE(0x0800, 0x0fff) AM_READ(MRA8_RAM) /* work RAM? */ AM_RANGE(0x1000, 0x1fff) AM_READ(MRA8_RAM) AM_RANGE(0x2000, 0x2000) AM_READ(input_port_0_r) AM_RANGE(0x2010, 0x2010) AM_READ(input_port_1_r) AM_RANGE(0x2020, 0x2020) AM_READ(input_port_2_r) AM_RANGE(0x2030, 0x2030) AM_READ(port3_r) AM_RANGE(0x4000, 0xffff) AM_READ(MRA8_ROM) ADDRESS_MAP_END static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x077f) AM_WRITE(MWA8_RAM) AM_RANGE(0x0780, 0x07df) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size) AM_RANGE(0x07e0, 0x07ff) AM_WRITE(MWA8_RAM) AM_RANGE(0x0800, 0x0fff) AM_WRITE(MWA8_RAM) /* work RAM? */ AM_RANGE(0x1000, 0x17ff) AM_WRITE(mystston_videoram_w) AM_BASE(&videoram) AM_RANGE(0x1800, 0x1bff) AM_WRITE(mystston_videoram2_w) AM_BASE(&mystston_videoram2) AM_RANGE(0x1c00, 0x1fff) AM_WRITE(MWA8_RAM) /* work RAM? This gets copied to videoram */ AM_RANGE(0x2000, 0x2000) AM_WRITE(mystston_control_w) /* text color, flip screen & coin counters */ AM_RANGE(0x2010, 0x2010) AM_WRITE(mystston_irq_reset_w) AM_RANGE(0x2020, 0x2020) AM_WRITE(mystston_scroll_w) AM_RANGE(0x2030, 0x2030) AM_WRITE(mystston_soundlatch_w) AM_RANGE(0x2040, 0x2040) AM_WRITE(mystston_soundcontrol_w) AM_RANGE(0x2060, 0x2077) AM_WRITE(paletteram_BBGGGRRR_w) AM_BASE(&paletteram) AM_RANGE(0x4000, 0xffff) AM_WRITE(MWA8_ROM) ADDRESS_MAP_END static INPUT_PORTS_START( mystston ) PORT_START /* IN0 */ 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_UP ) PORT_4WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1) PORT_START /* IN1 */ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) PORT_START /* DSW1 */ PORT_DIPNAME(0x01, 0x01, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x01, "3" ) PORT_DIPSETTING( 0x00, "5" ) PORT_DIPNAME(0x02, 0x02, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x02, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) PORT_DIPNAME(0x04, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x08, 0x08, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x10, 0x10, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x20, 0x20, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x40, 0x40, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x80, 0x80, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START /* DSW2 */ PORT_DIPNAME(0x03, 0x03, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_3C ) ) PORT_DIPNAME(0x0c, 0x0c, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_3C ) ) PORT_DIPNAME(0x10, 0x10, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME(0x20, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME(0x40, 0x00, DEF_STR( Cabinet ) ) PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ) ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) // VBLANK INPUT_PORTS_END static const gfx_layout charlayout = { 8,8, RGN_FRAC(1,3), 3, { RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 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(1,3), 3, { RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) }, { 16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7, 0, 1, 2, 3, 4, 5, 6, 7 }, { 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( mystston ) GFXDECODE_ENTRY( REGION_GFX1, 0, charlayout, 3*8, 4 ) GFXDECODE_ENTRY( REGION_GFX2, 0, spritelayout, 2*8, 1 ) GFXDECODE_ENTRY( REGION_GFX1, 0, spritelayout, 0*8, 2 ) GFXDECODE_END static INTERRUPT_GEN( mystston_interrupt ) { int scanline = 271 - cpu_getiloops(); static int coin; /* Inserting a coin triggers an NMI */ if ((readinputport(0) & 0xc0) != 0xc0) { if (coin == 0) { coin = 1; nmi_line_pulse(); return; } } else coin = 0; /* VBLK is lowered on scanline 8 */ if (scanline == 8) VBLK = 0; /* VBLK is raised on scanline 248 */ if (scanline == 248) VBLK = 0x80; /* IMS is triggered every time VLOC line 3 is raised, as VLOC counter starts at 16, effectively every 16 scanlines */ if ((scanline % 16) == 0) cpunum_set_input_line(0, 0, ASSERT_LINE); } static MACHINE_DRIVER_START( mystston ) /* basic machine hardware */ MDRV_CPU_ADD(M6502, 12000000/8) // 1.5 MHz MDRV_CPU_PROGRAM_MAP(readmem, writemem) MDRV_CPU_VBLANK_INT(mystston_interrupt, 272) MDRV_SCREEN_REFRESH_RATE(((12000000.0 / 256.0) / 3.0) / 272.0) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) /* video hardware */ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(32*8, 32*8) MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1) MDRV_GFXDECODE(mystston) MDRV_PALETTE_LENGTH(24+32) MDRV_PALETTE_INIT(mystston) MDRV_VIDEO_START(mystston) MDRV_VIDEO_UPDATE(mystston) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD(AY8910, 12000000/8) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30) MDRV_SOUND_ADD(AY8910, 12000000/8) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30) MACHINE_DRIVER_END ROM_START( mystston ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) ROM_LOAD( "rom6.bin", 0x4000, 0x2000, CRC(7bd9c6cd) SHA1(4d14edc783ba1a6c01d2fb9ea29ec85b8fec3c3b) ) ROM_LOAD( "rom5.bin", 0x6000, 0x2000, CRC(a83f04a6) SHA1(d8cdf310511c1fef4fbde80ef2161fda00f965d7) ) ROM_LOAD( "rom4.bin", 0x8000, 0x2000, CRC(46c73714) SHA1(5b9ac3a35aeeea6a0cd2d838c144925d83b36a7f) ) ROM_LOAD( "rom3.bin", 0xa000, 0x2000, CRC(34f8b8a3) SHA1(a270f6665a9f76f97ac02201d51fe2817e6e8f22) ) ROM_LOAD( "rom2.bin", 0xc000, 0x2000, CRC(bfd22cfc) SHA1(137cd61c8b1e997e7e50edd57f1671031d8e3ac5) ) ROM_LOAD( "rom1.bin", 0xe000, 0x2000, CRC(fb163e38) SHA1(d6f02e90bfd9badd7751bc0a87fdfdd1d0a7e202) ) ROM_REGION( 0x0c000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "ms6", 0x00000, 0x2000, CRC(85c83806) SHA1(cdfed6c224754e8f79b154533b06b7de4a44b4d3) ) ROM_LOAD( "ms9", 0x02000, 0x2000, CRC(b146c6ab) SHA1(712c0c17780f222be5c8b09185a22e900ab23944) ) ROM_LOAD( "ms7", 0x04000, 0x2000, CRC(d025f84d) SHA1(eaaaa0bde3db850098d04a0af85993026e503fc5) ) ROM_LOAD( "ms10", 0x06000, 0x2000, CRC(d85015b5) SHA1(f4afab248dfde354650e59fadd5ab9616b04dac1) ) ROM_LOAD( "ms8", 0x08000, 0x2000, CRC(53765d89) SHA1(c8bfc311123b076dccae9f7e3b95460bf9fc843d) ) ROM_LOAD( "ms11", 0x0a000, 0x2000, CRC(919ee527) SHA1(609ee854ab3a4fdbf3404a68a4a657b85250f742) ) ROM_REGION( 0x0c000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "ms12", 0x00000, 0x2000, CRC(72d8331d) SHA1(f0a3bc6c9d9966f169f4721c2453f7ee210f0feb) ) ROM_LOAD( "ms13", 0x02000, 0x2000, CRC(845a1f9b) SHA1(aa2eabd2a5e89e150b5d2fb3d88f91902e5ebb48) ) ROM_LOAD( "ms14", 0x04000, 0x2000, CRC(822874b0) SHA1(9376d48045bf67df91d103effd1d08bd8debad26) ) ROM_LOAD( "ms15", 0x06000, 0x2000, CRC(4594e53c) SHA1(a011a5269a9b0ca7a964181efe8413d5637c34f4) ) ROM_LOAD( "ms16", 0x08000, 0x2000, CRC(2f470b0f) SHA1(79b50a7d113fed4669361c5f6c60ec96c94344c6) ) ROM_LOAD( "ms17", 0x0a000, 0x2000, CRC(38966d1b) SHA1(89e3e54d3298cefeb35922d2292e3e7b8e995871) ) ROM_REGION( 0x0020, REGION_PROMS, 0 ) ROM_LOAD( "ic61", 0x0000, 0x0020, CRC(e802d6cf) SHA1(233ceb9e3a91939e1925766a696bc65ab0dffa50) ) ROM_END ROM_START( myststno ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) ROM_LOAD( "ms0", 0x4000, 0x2000, CRC(6dacc05f) SHA1(43054199901639516205c7ea145462d0abea8fb1) ) ROM_LOAD( "ms1", 0x6000, 0x2000, CRC(a3546df7) SHA1(89c0349885a9369406a1121cd3db28963b25f2e6) ) ROM_LOAD( "ms2", 0x8000, 0x2000, CRC(43bc6182) SHA1(dc36c10eee20009922e89d9bfdf6c2f6ffb881ce) ) ROM_LOAD( "ms3", 0xa000, 0x2000, CRC(9322222b) SHA1(25192ac9e8e66cd2bc21c66c690c57c6b9836f2d) ) ROM_LOAD( "ms4", 0xc000, 0x2000, CRC(47cefe9b) SHA1(49422b664b1322373a9cd3cb2907f8f5492faf87) ) ROM_LOAD( "ms5", 0xe000, 0x2000, CRC(b37ae12b) SHA1(55ee1193088145c85adddd377d9e5ee58aca922f) ) ROM_REGION( 0x0c000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "ms6", 0x00000, 0x2000, CRC(85c83806) SHA1(cdfed6c224754e8f79b154533b06b7de4a44b4d3) ) ROM_LOAD( "ms9", 0x02000, 0x2000, CRC(b146c6ab) SHA1(712c0c17780f222be5c8b09185a22e900ab23944) ) ROM_LOAD( "ms7", 0x04000, 0x2000, CRC(d025f84d) SHA1(eaaaa0bde3db850098d04a0af85993026e503fc5) ) ROM_LOAD( "ms10", 0x06000, 0x2000, CRC(d85015b5) SHA1(f4afab248dfde354650e59fadd5ab9616b04dac1) ) ROM_LOAD( "ms8", 0x08000, 0x2000, CRC(53765d89) SHA1(c8bfc311123b076dccae9f7e3b95460bf9fc843d) ) ROM_LOAD( "ms11", 0x0a000, 0x2000, CRC(919ee527) SHA1(609ee854ab3a4fdbf3404a68a4a657b85250f742) ) ROM_REGION( 0x0c000, REGION_GFX2, ROMREGION_DISPOSE ) ROM_LOAD( "ms12", 0x00000, 0x2000, CRC(72d8331d) SHA1(f0a3bc6c9d9966f169f4721c2453f7ee210f0feb) ) ROM_LOAD( "ms13", 0x02000, 0x2000, CRC(845a1f9b) SHA1(aa2eabd2a5e89e150b5d2fb3d88f91902e5ebb48) ) ROM_LOAD( "ms14", 0x04000, 0x2000, CRC(822874b0) SHA1(9376d48045bf67df91d103effd1d08bd8debad26) ) ROM_LOAD( "ms15", 0x06000, 0x2000, CRC(4594e53c) SHA1(a011a5269a9b0ca7a964181efe8413d5637c34f4) ) ROM_LOAD( "ms16", 0x08000, 0x2000, CRC(2f470b0f) SHA1(79b50a7d113fed4669361c5f6c60ec96c94344c6) ) ROM_LOAD( "ms17", 0x0a000, 0x2000, CRC(38966d1b) SHA1(89e3e54d3298cefeb35922d2292e3e7b8e995871) ) ROM_REGION( 0x0020, REGION_PROMS, 0 ) ROM_LOAD( "ic61", 0x0000, 0x0020, CRC(e802d6cf) SHA1(233ceb9e3a91939e1925766a696bc65ab0dffa50) ) ROM_END GAME( 1984, mystston, 0, mystston, mystston, 0, ROT270, "Technos", "Mysterious Stones - Dr. John's Adventure", 0 ) GAME( 1984, myststno, mystston, mystston, mystston, 0, ROT270, "Technos", "Mysterious Stones - Dr. Kick in Adventure", 0 )