/*************************************************************************** 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 "emu.h" #include "cpu/m68000/m68000.h" #include "sound/okim6295.h" #include "includes/othldrby.h" static READ16_HANDLER( pip ) { othldrby_state *state = space->machine().driver_data(); return state->m_toggle ^= 1; } static READ16_HANDLER( pap ) { return space->machine().rand(); } static WRITE16_DEVICE_HANDLER( oki_bankswitch_w ) { if (ACCESSING_BITS_0_7) downcast(device)->set_bank_base((data & 1) * 0x40000); } static WRITE16_HANDLER( coinctrl_w ) { if (ACCESSING_BITS_0_7) { coin_counter_w(space->machine(), 0, data & 1); coin_counter_w(space->machine(), 1, data & 2); coin_lockout_w(space->machine(), 0, ~data & 4); coin_lockout_w(space->machine(), 1, ~data & 8); } } static WRITE16_HANDLER( calendar_w ) { } static READ16_HANDLER( calendar_r ) { system_time systime; space->machine().base_datetime(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( othldrby_map, AS_PROGRAM, 16 ) AM_RANGE(0x000000, 0x07ffff) AM_ROM AM_RANGE(0x100000, 0x10ffff) AM_RAM AM_RANGE(0x200000, 0x20000f) AM_READWRITE(calendar_r, calendar_w) AM_RANGE(0x300000, 0x300001) AM_WRITE(othldrby_videoram_addr_w) AM_RANGE(0x300004, 0x300007) AM_READWRITE(othldrby_videoram_r, othldrby_videoram_w) AM_RANGE(0x300008, 0x300009) AM_WRITE(othldrby_vreg_addr_w) AM_RANGE(0x30000c, 0x30000d) AM_READ(pip) // vblank? AM_RANGE(0x30000c, 0x30000f) AM_WRITE(othldrby_vreg_w) AM_RANGE(0x400000, 0x400fff) AM_RAM_WRITE(paletteram16_xBBBBBGGGGGRRRRR_word_w) AM_BASE_GENERIC(paletteram) AM_RANGE(0x600000, 0x600001) AM_DEVREADWRITE8_MODERN("oki", okim6295_device, read, write, 0x00ff) AM_RANGE(0x700000, 0x700001) AM_READ(pap) // scanline??? AM_RANGE(0x700004, 0x700005) AM_READ_PORT("DSW1") AM_RANGE(0x700008, 0x700009) AM_READ_PORT("DSW2") AM_RANGE(0x70000c, 0x70000d) AM_READ_PORT("P1") AM_RANGE(0x700010, 0x700011) AM_READ_PORT("P2") AM_RANGE(0x70001c, 0x70001d) AM_READ_PORT("SYSTEM") AM_RANGE(0x700030, 0x700031) AM_DEVWRITE("oki", oki_bankswitch_w) AM_RANGE(0x700034, 0x700035) AM_WRITE(coinctrl_w) ADDRESS_MAP_END static INPUT_PORTS_START( othldrby ) PORT_START("DSW1") 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("DSW2") 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("P1") 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("P2") 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("SYSTEM") 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( "gfx1", 0, spritelayout, 0, 0x80 ) GFXDECODE_ENTRY( "gfx1", 0, tilelayout, 0, 0x80 ) GFXDECODE_END static MACHINE_START( othldrby ) { othldrby_state *state = machine.driver_data(); state->save_item(NAME(state->m_toggle)); state->save_item(NAME(state->m_vram_addr)); state->save_item(NAME(state->m_vreg_addr)); state->save_item(NAME(state->m_vreg)); } static MACHINE_RESET( othldrby ) { othldrby_state *state = machine.driver_data(); state->m_toggle = 0xff; state->m_vram_addr = 0; state->m_vreg_addr = 0; memset(state->m_vreg, 0, ARRAY_LENGTH(state->m_vreg)); } static MACHINE_CONFIG_START( othldrby, othldrby_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68000, 16000000) MCFG_CPU_PROGRAM_MAP(othldrby_map) MCFG_CPU_VBLANK_INT("screen", irq4_line_hold) MCFG_MACHINE_START(othldrby) MCFG_MACHINE_RESET(othldrby) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_SIZE(64*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(12*8, (64-12)*8-1, 1*8, 31*8-1 ) MCFG_SCREEN_UPDATE(othldrby) MCFG_SCREEN_EOF(othldrby) MCFG_GFXDECODE(othldrby) MCFG_PALETTE_LENGTH(0x800) MCFG_VIDEO_START(othldrby) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_OKIM6295_ADD("oki", 1584000, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( othldrby ) ROM_REGION( 0x080000, "maincpu", 0 ) ROM_LOAD16_WORD_SWAP( "db0.1", 0x00000, 0x80000, CRC(6b4008d3) SHA1(4cf838c47563ba482be8364b2e115569a4a06c83) ) ROM_REGION( 0x400000, "gfx1", 0 ) ROM_LOAD( "db0-r2", 0x000000, 0x200000, CRC(4efff265) SHA1(4cd239ff42f532495946cb52bd1fee412f84e192) ) ROM_LOAD( "db0-r3", 0x200000, 0x200000, CRC(5c142b38) SHA1(5466a8b061a0f2545493de0f96fd4387beea276a) ) ROM_REGION( 0x080000, "oki", 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)", GAME_SUPPORTS_SAVE )