/*************************************************************************** Othello Derby driver by Nicola Salmoria Video IC is S951060-VGP Notes: - Sprite/tile priorities are NOT orthogonal to sprite/sprite priorities: sprites with a higher priority appear over sprites with a lower priority, regardless of their order in the sprite list. Therefore, the current implementation is correct. ***************************************************************************/ #include "driver.h" #include "sound/okim6295.h" WRITE16_HANDLER( othldrby_videoram_addr_w ); READ16_HANDLER( othldrby_videoram_r ); WRITE16_HANDLER( othldrby_videoram_w ); WRITE16_HANDLER( othldrby_vreg_addr_w ); WRITE16_HANDLER( othldrby_vreg_w ); VIDEO_START( othldrby ); VIDEO_EOF( othldrby ); VIDEO_UPDATE( othldrby ); static READ16_HANDLER( pip ) { static int toggle = 0xff; return toggle ^= 1; } static READ16_HANDLER( pap ) { return mame_rand(Machine); } static WRITE16_HANDLER( oki_bankswitch_w ) { if (ACCESSING_LSB) OKIM6295_set_bank_base(0, (data & 1) * 0x40000); } static WRITE16_HANDLER( coinctrl_w ) { if (ACCESSING_LSB) { coin_counter_w(0,data & 1); coin_counter_w(1,data & 2); coin_lockout_w(0,~data & 4); coin_lockout_w(1,~data & 8); } } static WRITE16_HANDLER( calendar_w ) { } static READ16_HANDLER( calendar_r ) { mame_system_time systime; mame_get_base_datetime(Machine, &systime); switch (offset) { case 0: return ((systime.local_time.second/10)<<4) + (systime.local_time.second%10); case 1: return ((systime.local_time.minute/10)<<4) + (systime.local_time.minute%10); case 2: return ((systime.local_time.hour/10)<<4) + (systime.local_time.hour%10); case 3: return systime.local_time.weekday; case 4: return ((systime.local_time.mday/10)<<4) + (systime.local_time.mday%10); case 5: return (systime.local_time.month + 1); case 6: return (((systime.local_time.year%100)/10)<<4) + (systime.local_time.year%10); case 7: default: return 0; /* status? the other registers are read only when bit 0 is clear */ } } static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x07ffff) AM_READ(MRA16_ROM) AM_RANGE(0x100000, 0x10ffff) AM_READ(MRA16_RAM) AM_RANGE(0x200000, 0x20000f) AM_READ(calendar_r) AM_RANGE(0x300004, 0x300007) AM_READ(othldrby_videoram_r) AM_RANGE(0x30000c, 0x30000d) AM_READ(pip) // vblank? AM_RANGE(0x400000, 0x400fff) AM_READ(paletteram16_word_r) AM_RANGE(0x600000, 0x600001) AM_READ(OKIM6295_status_0_lsb_r) AM_RANGE(0x700000, 0x700001) AM_READ(pap) // scanline??? AM_RANGE(0x700004, 0x700005) AM_READ(input_port_0_word_r) AM_RANGE(0x700008, 0x700009) AM_READ(input_port_1_word_r) AM_RANGE(0x70000c, 0x70000d) AM_READ(input_port_2_word_r) AM_RANGE(0x700010, 0x700011) AM_READ(input_port_3_word_r) AM_RANGE(0x70001c, 0x70001d) AM_READ(input_port_4_word_r) ADDRESS_MAP_END static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x07ffff) AM_WRITE(MWA16_ROM) AM_RANGE(0x100000, 0x10ffff) AM_WRITE(MWA16_RAM) AM_RANGE(0x200000, 0x20000f) AM_WRITE(calendar_w) AM_RANGE(0x300000, 0x300001) AM_WRITE(othldrby_videoram_addr_w) AM_RANGE(0x300004, 0x300007) AM_WRITE(othldrby_videoram_w) AM_RANGE(0x300008, 0x300009) AM_WRITE(othldrby_vreg_addr_w) AM_RANGE(0x30000c, 0x30000f) AM_WRITE(othldrby_vreg_w) AM_RANGE(0x400000, 0x400fff) AM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE(&paletteram16) AM_RANGE(0x600000, 0x600001) AM_WRITE(OKIM6295_data_0_lsb_w) AM_RANGE(0x700030, 0x700031) AM_WRITE(oki_bankswitch_w) AM_RANGE(0x700034, 0x700035) AM_WRITE(coinctrl_w) ADDRESS_MAP_END static INPUT_PORTS_START( othldrby ) PORT_START PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_SERVICE( 0x04, IP_ACTIVE_HIGH ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Allow_Continue ) ) PORT_DIPSETTING( 0x08, DEF_STR( No ) ) PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) PORT_DIPNAME( 0x30, 0x00, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x30, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) PORT_START PORT_DIPNAME( 0x03, 0x00, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x01, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x02, DEF_STR( Hard ) ) PORT_DIPSETTING( 0x03, DEF_STR( Very_Hard ) ) PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unused ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE2 ) /* TEST */ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(1) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(1) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) INPUT_PORTS_END static const gfx_layout spritelayout = { 8,8, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8, RGN_FRAC(1,2)+0, RGN_FRAC(0,2)+8, RGN_FRAC(0,2)+0 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, 16*8 }; static const gfx_layout tilelayout = { 16,16, RGN_FRAC(1,2), 4, { RGN_FRAC(1,2)+8, RGN_FRAC(1,2)+0, RGN_FRAC(0,2)+8, RGN_FRAC(0,2)+0 }, { 0, 1, 2, 3, 4, 5, 6, 7, 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*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16, 16*16, 17*16, 18*16, 19*16, 20*16, 21*16, 22*16, 23*16 }, 16*32 }; static GFXDECODE_START( othldrby ) GFXDECODE_ENTRY( REGION_GFX1, 0, spritelayout, 0, 0x80 ) GFXDECODE_ENTRY( REGION_GFX1, 0, tilelayout, 0, 0x80 ) GFXDECODE_END static MACHINE_DRIVER_START( othldrby ) /* basic machine hardware */ MDRV_CPU_ADD(M68000, 16000000) MDRV_CPU_PROGRAM_MAP(readmem,writemem) MDRV_CPU_VBLANK_INT(irq4_line_hold,1) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) /* 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(12*8, (64-12)*8-1, 1*8, 31*8-1 ) MDRV_GFXDECODE(othldrby) MDRV_PALETTE_LENGTH(0x800) MDRV_VIDEO_START(othldrby) MDRV_VIDEO_EOF(othldrby) MDRV_VIDEO_UPDATE(othldrby) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD(OKIM6295, 1584000) MDRV_SOUND_CONFIG(okim6295_interface_region_1_pin7high) // clock frequency & pin 7 not verified MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_DRIVER_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( othldrby ) ROM_REGION( 0x080000, REGION_CPU1, 0 ) ROM_LOAD16_WORD_SWAP( "db0.1", 0x00000, 0x80000, CRC(6b4008d3) SHA1(4cf838c47563ba482be8364b2e115569a4a06c83) ) ROM_REGION( 0x400000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "db0-r2", 0x000000, 0x200000, CRC(4efff265) SHA1(4cd239ff42f532495946cb52bd1fee412f84e192) ) ROM_LOAD( "db0-r3", 0x200000, 0x200000, CRC(5c142b38) SHA1(5466a8b061a0f2545493de0f96fd4387beea276a) ) ROM_REGION( 0x080000, REGION_SOUND1, 0 ) /* OKIM6295 samples */ ROM_LOAD( "db0.4", 0x00000, 0x80000, CRC(a9701868) SHA1(9ee89556666d358e8d3915622573b3ba660048b8) ) ROM_END GAME( 1995, othldrby, 0, othldrby, othldrby, 0, ROT0, "Sunwise", "Othello Derby (Japan)", 0 )