/*************************************** Attack ufo / Ryoto Electric Co. 1980(?) driver by Tomasz Slanina Video and sound emulation based on VIC 656x driver by PeT TODO: - correct I/O chip emulation - is game speed ok? a bit slow sometimes -- CPU - 6502 2,38 +5 21 gnd 26-33 data bus I/O - CIA 6526 ? 37,38 +5 1 gnd 2-18 I/O 26-33 data bus Vid - VIC 6560 derivative ??? 40 +5 20 gnd 16-32 data bus -- Attack UFO ???? 1980 LOIPOIO-B 2 1 2114 2114 2114 2114 2114 8 7 6 5 4 3 40pin IC "C" 53354 40pin IC "B" 14.318MHz 40pin IC "A" SW ****************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "sound/mos6560.h" class attckufo_state : public driver_device { public: attckufo_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_mos6560(*this, "mos6560") { } /* memory pointers */ UINT8 * m_mainram; UINT8 * m_tileram; /* devices */ required_device m_maincpu; required_device m_mos6560; }; static const rgb_t attckufo_palette[] = { /* ripped from vice, a very excellent emulator */ MAKE_RGB(0x00, 0x00, 0x00), MAKE_RGB(0xff, 0xff, 0xff), MAKE_RGB(0xf0, 0x00, 0x00), MAKE_RGB(0x00, 0xf0, 0xf0), MAKE_RGB(0x60, 0x00, 0x60), MAKE_RGB(0x00, 0xa0, 0x00), MAKE_RGB(0x00, 0x00, 0xf0), MAKE_RGB(0xd0, 0xd0, 0x00), MAKE_RGB(0xc0, 0xa0, 0x00), MAKE_RGB(0xff, 0xa0, 0x00), MAKE_RGB(0xf0, 0x80, 0x80), MAKE_RGB(0x00, 0xff, 0xff), MAKE_RGB(0xff, 0x00, 0xff), MAKE_RGB(0x00, 0xff, 0x00), MAKE_RGB(0x00, 0xa0, 0xff), MAKE_RGB(0xff, 0xff, 0x00) }; static PALETTE_INIT( attckufo ) { palette_set_colors(machine, 0, attckufo_palette, ARRAY_LENGTH(attckufo_palette)); } static READ8_HANDLER(attckufo_io_r) { switch(offset) { case 0: return input_port_read(space->machine(), "DSW"); case 2: return input_port_read(space->machine(), "INPUT"); } return 0xff; } static WRITE8_HANDLER(attckufo_io_w) { /* offset, data: 0 $00,$30 1 $00,$04 2 $00 3 $00,$04 */ } static ADDRESS_MAP_START( cpu_map, AS_PROGRAM, 8 ) ADDRESS_MAP_GLOBAL_MASK(0x3fff) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_BASE_MEMBER(attckufo_state, m_mainram) AM_RANGE(0x1000, 0x100f) AM_DEVREADWRITE("mos6560", mos6560_port_r, mos6560_port_w) AM_RANGE(0x1400, 0x1403) AM_READWRITE(attckufo_io_r, attckufo_io_w) AM_RANGE(0x1c00, 0x1fff) AM_RAM AM_BASE_MEMBER(attckufo_state, m_tileram) AM_RANGE(0x2000, 0x3fff) AM_ROM ADDRESS_MAP_END static INPUT_PORTS_START( attckufo ) PORT_START("DSW") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x01, "4" ) PORT_DIPSETTING( 0x02, "5" ) PORT_DIPSETTING( 0x03, "6" ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Bonus_Life ) ) PORT_DIPSETTING( 0x04, "1000" ) PORT_DIPSETTING( 0x00, "1500" ) PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_START("INPUT") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) INPUT_PORTS_END static INTERRUPT_GEN( attckufo_raster_interrupt ) { attckufo_state *state = device->machine().driver_data(); mos6560_raster_interrupt_gen(state->m_mos6560); } static SCREEN_UPDATE( attckufo ) { attckufo_state *state = screen->machine().driver_data(); mos6560_video_update(state->m_mos6560, bitmap, cliprect); return 0; } static int attckufo_dma_read( running_machine &machine, int offset ) { attckufo_state *state = machine.driver_data(); return state->m_maincpu->space(AS_PROGRAM)->read_byte(offset); } static int attckufo_dma_read_color( running_machine &machine, int offset ) { attckufo_state *state = machine.driver_data(); return state->m_maincpu->space(AS_PROGRAM)->read_byte(offset + 0x400); } static const mos6560_interface attckufo_6560_intf = { "screen", /* screen */ MOS6560_ATTACKUFO, NULL, NULL, NULL, /* lightgun cb */ NULL, NULL, /* paddle cb */ attckufo_dma_read, attckufo_dma_read_color /* DMA */ }; static MACHINE_CONFIG_START( attckufo, attckufo_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6502, 14318181/14) MCFG_CPU_PROGRAM_MAP(cpu_map) MCFG_CPU_PERIODIC_INT(attckufo_raster_interrupt, MOS656X_HRETRACERATE) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(MOS6560_VRETRACERATE) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MCFG_SCREEN_SIZE((MOS6560_XSIZE + 7) & ~7, MOS6560_YSIZE) MCFG_SCREEN_VISIBLE_AREA(0, 23*8 - 1, 0, 22*8 - 1) MCFG_SCREEN_UPDATE(attckufo) MCFG_PALETTE_LENGTH(ARRAY_LENGTH(attckufo_palette)) MCFG_PALETTE_INIT(attckufo) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_MOS656X_ADD("mos6560", attckufo_6560_intf) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END ROM_START( attckufo ) ROM_REGION( 0x4000, "maincpu", 0 ) ROM_LOAD( "1", 0x2000, 0x0400, CRC(b32a36ab) SHA1(4e64686d498f7a79f5213c42b7afbf35aac2b622) ) ROM_LOAD( "2", 0x2400, 0x0400, CRC(35fc8424) SHA1(d4926768f2e5b21476c7ec33743fe3e1c76662db) ) ROM_LOAD( "3", 0x2800, 0x0400, CRC(6341c8c4) SHA1(8647a4fabad0399769dd068d784be72e27afca35) ) ROM_LOAD( "4", 0x2c00, 0x0400, CRC(1ed1d93f) SHA1(2e04c63ea2fc958415f7c7de9d18dadf9e085755) ) ROM_LOAD( "5", 0x3000, 0x0400, CRC(3380e0f4) SHA1(e1d681f7370ba7fc2bf3561533f4aaf12eefbcb8) ) ROM_LOAD( "6", 0x3400, 0x0400, CRC(8103e031) SHA1(86bc8dd6c74b84804ede31a8454b5b3d3e4d88b1) ) ROM_LOAD( "7", 0x3800, 0x0400, CRC(43a41012) SHA1(edd14f49dc9ae7a5a14583b9a92ebbbdd021d7b1) ) ROM_LOAD( "8", 0x3c00, 0x0400, CRC(9ce93eb0) SHA1(68753e88db4e920446b9582b5cb713b1beec3b27) ) ROM_REGION( 0x400, "user1", 0 ) ROM_COPY( "maincpu", 0x02000, 0x00000, 0x400) ROM_END GAME( 1980, attckufo, 0, attckufo, attckufo, 0, ROT270, "Ryoto Electric Co.", "Attack Ufo", GAME_SUPPORTS_SAVE )