// license:BSD-3-Clause // copyright-holders:Tomasz Slanina /*************************************************************************** "Attack UFO" (c) 1980 Ryoto Electric Co. TODO: - Verify I/O chip - Is game speed ok? A bit slow sometimes ***************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "machine/6821pia.h" #include "sound/mos6560.h" #include "speaker.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** 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") {} void attckufo(machine_config &config); private: DECLARE_READ8_MEMBER( vic_videoram_r ); DECLARE_READ8_MEMBER( vic_colorram_r ); void cpu_map(address_map &map); void vic_colorram_map(address_map &map); void vic_videoram_map(address_map &map); required_device m_maincpu; }; //************************************************************************** // ADDRESS MAPS //************************************************************************** void attckufo_state::cpu_map(address_map &map) { map.global_mask(0x3fff); map(0x0000, 0x0fff).ram(); map(0x1000, 0x100f).rw("mos6560", FUNC(mos6560_device::read), FUNC(mos6560_device::write)); map(0x1400, 0x1403).rw("pia", FUNC(pia6821_device::read), FUNC(pia6821_device::write)); map(0x1c00, 0x1fff).ram(); map(0x2000, 0x3fff).rom().region("maincpu", 0); } void attckufo_state::vic_videoram_map(address_map &map) { map(0x0000, 0x3fff).r(FUNC(attckufo_state::vic_videoram_r)); } void attckufo_state::vic_colorram_map(address_map &map) { map(0x000, 0x3ff).r(FUNC(attckufo_state::vic_colorram_r)); } //************************************************************************** // INPUTS //************************************************************************** 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_PLAYER(1) PORT_2WAY PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) PORT_2WAY PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) PORT_2WAY PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) PORT_2WAY PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2) INPUT_PORTS_END //************************************************************************** // VIDEO EMULATION //************************************************************************** READ8_MEMBER(attckufo_state::vic_videoram_r) { return m_maincpu->space(AS_PROGRAM).read_byte(offset); } READ8_MEMBER(attckufo_state::vic_colorram_r) { return m_maincpu->space(AS_PROGRAM).read_byte(offset + 0x400); } //************************************************************************** // MACHINE DEFINTIONS //************************************************************************** void attckufo_state::attckufo(machine_config &config) { M6502(config, m_maincpu, XTAL(14'318'181) / 14); m_maincpu->set_addrmap(AS_PROGRAM, &attckufo_state::cpu_map); pia6821_device &pia(PIA6821(config, "pia", 0)); pia.readpa_handler().set_ioport("DSW"); pia.readpb_handler().set_ioport("INPUT"); SPEAKER(config, "mono").front_center(); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(MOS6560_VRETRACERATE); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); screen.set_size((MOS6560_XSIZE + 7) & ~7, MOS6560_YSIZE); screen.set_visarea(0, 23*8 - 1, 0, 22*8 - 1); screen.set_screen_update("mos6560", FUNC(mos6560_device::screen_update)); mos6560_device &mos6560(MOS656X_ATTACK_UFO(config, "mos6560", XTAL(14'318'181) / 14)); mos6560.set_screen("screen"); mos6560.set_addrmap(0, &attckufo_state::vic_videoram_map); mos6560.set_addrmap(1, &attckufo_state::vic_colorram_map); mos6560.add_route(ALL_OUTPUTS, "mono", 0.25); } //************************************************************************** // ROM DEFINITIONS //************************************************************************** ROM_START( attckufo ) ROM_REGION(0x2000, "maincpu", 0) ROM_LOAD("1", 0x0000, 0x0400, CRC(b32a36ab) SHA1(4e64686d498f7a79f5213c42b7afbf35aac2b622)) ROM_LOAD("2", 0x0400, 0x0400, CRC(35fc8424) SHA1(d4926768f2e5b21476c7ec33743fe3e1c76662db)) ROM_LOAD("3", 0x0800, 0x0400, CRC(6341c8c4) SHA1(8647a4fabad0399769dd068d784be72e27afca35)) ROM_LOAD("4", 0x0c00, 0x0400, CRC(1ed1d93f) SHA1(2e04c63ea2fc958415f7c7de9d18dadf9e085755)) ROM_LOAD("5", 0x1000, 0x0400, CRC(3380e0f4) SHA1(e1d681f7370ba7fc2bf3561533f4aaf12eefbcb8)) ROM_LOAD("6", 0x1400, 0x0400, CRC(8103e031) SHA1(86bc8dd6c74b84804ede31a8454b5b3d3e4d88b1)) ROM_LOAD("7", 0x1800, 0x0400, CRC(43a41012) SHA1(edd14f49dc9ae7a5a14583b9a92ebbbdd021d7b1)) ROM_LOAD("8", 0x1c00, 0x0400, CRC(9ce93eb0) SHA1(68753e88db4e920446b9582b5cb713b1beec3b27)) ROM_END //************************************************************************** // SYSTEM DRIVERS //************************************************************************** // YEAR NAME PARENT MACHINE INPUT CLASS INIT ROTATION COMPANY FULLNAME FLAGS GAME( 1980, attckufo, 0, attckufo, attckufo, attckufo_state, empty_init, ROT270, "Ryoto Electric Co.", "Attack UFO", MACHINE_SUPPORTS_SAVE )