// license:BSD-3-Clause // copyright-holders:hap /*************************************************************************** Midway's 18 Wheeler, game number 653 TODO: - needs extensive interactive artwork - discrete sound To diagnose game, turn on service mode and: - test RAM/ROM, leds, lamps: reset with shifter in neutral - test sound and misc input: turn on DSW 7 and reset with shifter in neutral - test accelerator: reset with shifter in 1st gear - test steering wheel: reset with shifter in 2nd gear ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/watchdog.h" #include "18w.lh" class mw18w_state : public driver_device { public: mw18w_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_digits(*this, "digit%u", 0U), m_lamps(*this, "lamp%u", 0U) { } void mw18w(machine_config &config); DECLARE_CUSTOM_INPUT_MEMBER(mw18w_sensors_r); private: DECLARE_WRITE8_MEMBER(mw18w_sound0_w); DECLARE_WRITE8_MEMBER(mw18w_sound1_w); DECLARE_WRITE8_MEMBER(mw18w_lamps_w); DECLARE_WRITE8_MEMBER(mw18w_led_display_w); DECLARE_WRITE8_MEMBER(mw18w_irq0_clear_w); void mw18w_map(address_map &map); void mw18w_portmap(address_map &map); virtual void machine_start() override { m_digits.resolve(); m_lamps.resolve(); } required_device m_maincpu; output_finder<10> m_digits; output_finder<81> m_lamps; }; /*************************************************************************** I/O, Memorymap ***************************************************************************/ WRITE8_MEMBER(mw18w_state::mw18w_sound0_w) { // d0: coin counter // d1: "summer" // d2-d3: backdrop motor speed // d4: air horn sound // d5: crash sound // d6-d7: brake sound machine().bookkeeping().coin_counter_w(0, data & 1); } WRITE8_MEMBER(mw18w_state::mw18w_sound1_w) { // d0-d5: engine sound // d6: bell sound // d7: backdrop lamp dim control m_lamps[80] = BIT(data, 7); } WRITE8_MEMBER(mw18w_state::mw18w_lamps_w) { // d0-3, d7: selected rows int rows = (data & 0xf) | (data >> 3 & 0x10); // d4-d6: column int col = data >> 4 & 7; // refresh lamp status for (int i = 0; i < 5; i++) m_lamps[col * 10 + i] = BIT(rows, i); /* lamps info: 00: upper right load zone 01: lower right load zone 02: lost cargo 03: hi score 04: right crash 10: 2 pos. load lost sequence 11: 3 pos. load lost sequence 12: 4 pos. load lost sequence 13: 5 pos. load lost sequence 14: 6 pos. load lost sequence 20: down shift 21: pick up cargo 22: ahead 23: 1 pos. load lost sequence 24: go 30: right man arm body 31: right man arm down 32: right man arm up 33: not used 34: not used 40: left man arm up 41: left man body 42: left man arm down 43: left crash 44: not used 50: 1 cargo 51: 3 cargo 52: 5 cargo 53: 7 cargo 54: not used 60: 2 cargo 61: 4 cargo 62: 6 cargo 63: 8 cargo 64: not used 70: upper left load zone 71: lower left load zone 72: extended play 73: credit 74: game over (80: backdrop dim) */ } WRITE8_MEMBER(mw18w_state::mw18w_led_display_w) { // d0-3: 7448 (BCD to LED segment) const uint8_t _7448_map[16] = { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67,0x58,0x4c,0x62,0x69,0x78,0x00 }; // d4-7: 7442 (BCD to decimal) -> pick digit panel if ((data & 0xf0) > 0x90) return; m_digits[data >> 4] = _7448_map[data & 0xf]; } WRITE8_MEMBER(mw18w_state::mw18w_irq0_clear_w) { m_maincpu->set_input_line(0, CLEAR_LINE); } CUSTOM_INPUT_MEMBER(mw18w_state::mw18w_sensors_r) { // d7: off road // d6: in dock area return 0xff; } void mw18w_state::mw18w_map(address_map &map) { map(0x0000, 0x1fff).rom(); map(0x2000, 0x23ff).ram(); } void mw18w_state::mw18w_portmap(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x00, 0x00).portr("IN0").w(FUNC(mw18w_state::mw18w_sound0_w)); map(0x01, 0x01).portr("IN1").w(FUNC(mw18w_state::mw18w_sound1_w)); map(0x02, 0x02).portr("IN2").w(FUNC(mw18w_state::mw18w_lamps_w)); map(0x03, 0x03).portr("DSW").w(FUNC(mw18w_state::mw18w_led_display_w)); map(0x04, 0x04).portr("IN4"); map(0x06, 0x06).w("watchdog", FUNC(watchdog_timer_device::reset_w)); map(0x07, 0x07).w(FUNC(mw18w_state::mw18w_irq0_clear_w)); } /*************************************************************************** Inputs ***************************************************************************/ static const ioport_value mw18w_controller_table[] = { // same encoder as sspeedr 0x3f, 0x3e, 0x3c, 0x3d, 0x39, 0x38, 0x3a, 0x3b, 0x33, 0x32, 0x30, 0x31, 0x35, 0x34, 0x36, 0x37, 0x27, 0x26, 0x24, 0x25, 0x21, 0x20, 0x22, 0x23, 0x2b, 0x2a, 0x28, 0x29, 0x2d, 0x2c, 0x2e, 0x2f, 0x0f, 0x0e, 0x0c, 0x0d, 0x09, 0x08, 0x0a, 0x0b, 0x03, 0x02, 0x00, 0x01, 0x05, 0x04, 0x06, 0x07, 0x17, 0x16, 0x14, 0x15, 0x11, 0x10, 0x12, 0x13, 0x1b, 0x1a, 0x18, 0x19, 0x1d, 0x1c, 0x1e, 0x1f }; static INPUT_PORTS_START( mw18w ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) // left/right sw. PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(mw18w_state, mw18w_sensors_r) PORT_START("IN1") PORT_BIT( 0x1f, 0x00, IPT_PEDAL ) PORT_REMAP_TABLE(mw18w_controller_table + 0x20) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_NAME("Gas Pedal") PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Shifter 1st Gear") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Shifter 3rd Gear") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Shifter 2nd Gear") PORT_START("IN2") PORT_BIT( 0x3f, 0x1f, IPT_PADDLE ) PORT_REMAP_TABLE(mw18w_controller_table) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_NAME("Steering Wheel") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Brake Pedal") PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Shifter Reverse") PORT_START("DSW") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:1,2") PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0x0c, 0x00, "Extended Time" ) PORT_DIPLOCATION("SW:3,4") PORT_DIPSETTING( 0x00, "20 seconds at 4000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x00) // @ 60 seconds PORT_DIPSETTING( 0x04, "30 seconds at 8000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x00) PORT_DIPSETTING( 0x08, "15 seconds at 8000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x00) PORT_DIPSETTING( 0x0c, "30 seconds at 10000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x00) PORT_DIPSETTING( 0x00, "20 seconds at 6000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x10) // @ 70 seconds PORT_DIPSETTING( 0x04, "30 seconds at 9000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x10) PORT_DIPSETTING( 0x08, "20 seconds at 9000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x10) PORT_DIPSETTING( 0x0c, "30 seconds at 12000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x10) PORT_DIPSETTING( 0x00, "20 seconds at 8000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x20) // @ 80 seconds PORT_DIPSETTING( 0x04, "30 seconds at 12000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x20) PORT_DIPSETTING( 0x08, "20 seconds at 12000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x20) PORT_DIPSETTING( 0x0c, "30 seconds at 16000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x20) PORT_DIPSETTING( 0x00, "20 seconds at 10000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x30) // @ 90 seconds PORT_DIPSETTING( 0x04, "30 seconds at 15000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x30) PORT_DIPSETTING( 0x08, "20 seconds at 15000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x30) PORT_DIPSETTING( 0x0c, "30 seconds at 20000" ) PORT_CONDITION("DSW", 0x30, EQUALS, 0x30) PORT_DIPNAME( 0x30, 0x00, DEF_STR( Game_Time ) ) PORT_DIPLOCATION("SW:5,6") PORT_DIPSETTING( 0x00, "60 seconds" ) PORT_DIPSETTING( 0x10, "70 seconds" ) PORT_DIPSETTING( 0x20, "80 seconds" ) PORT_DIPSETTING( 0x30, "90 seconds" ) PORT_DIPNAME( 0x40, 0x40, "I/O Test" ) PORT_DIPLOCATION("SW:7") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_SERVICE_DIPLOC(0x80, IP_ACTIVE_LOW, "SW:8" ) PORT_START("IN4") PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 ) // for both coin chutes PORT_BIT( 0xf3, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END /*************************************************************************** Machine Config ***************************************************************************/ void mw18w_state::mw18w(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(19'968'000)/8); m_maincpu->set_periodic_int(FUNC(mw18w_state::irq0_line_assert), attotime::from_hz(960.516)); // 555 IC m_maincpu->set_addrmap(AS_PROGRAM, &mw18w_state::mw18w_map); m_maincpu->set_addrmap(AS_IO, &mw18w_state::mw18w_portmap); WATCHDOG_TIMER(config, "watchdog"); /* no video! */ /* sound hardware */ //... } /*************************************************************************** Game drivers ***************************************************************************/ ROM_START( 18w ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "18w_b1.rom1", 0x0000, 0x0800, CRC(200c5beb) SHA1(994d67a89f18df9716c5dd4dd60f6e7eeb880f1b) ) ROM_LOAD( "18w_a2.rom2", 0x0800, 0x0800, CRC(efbadee8) SHA1(834eaf8ca50544123de7529b90b828cf46b1c001) ) ROM_LOAD( "18w_b3.rom3", 0x1000, 0x0800, CRC(214606f6) SHA1(9a9dc20259b4462661c6be410d98d2be54657a0e) ) ROM_LOAD( "18w_a4.rom4", 0x1800, 0x0800, CRC(e88ad6a9) SHA1(ac010aa7e0288197ff9342801522623b64dd2a47) ) ROM_END ROM_START( 18w2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "18w_b1.rom1", 0x0000, 0x0800, CRC(cbc0fb2c) SHA1(66b14f0d76baebbd64e8ed107e536ad811d55273) ) // sldh ROM_LOAD( "18w_b2.rom2", 0x0800, 0x0800, CRC(efbadee8) SHA1(834eaf8ca50544123de7529b90b828cf46b1c001) ) ROM_LOAD( "18w_b3.rom3", 0x1000, 0x0800, CRC(214606f6) SHA1(9a9dc20259b4462661c6be410d98d2be54657a0e) ) ROM_LOAD( "18w_b4.rom4", 0x1800, 0x0800, CRC(e88ad6a9) SHA1(ac010aa7e0288197ff9342801522623b64dd2a47) ) ROM_END GAMEL( 1979, 18w, 0, mw18w, mw18w, mw18w_state, empty_init, ROT0, "Midway", "18 Wheeler (set 1)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_MECHANICAL, layout_18w ) GAMEL( 1979, 18w2, 18w, mw18w, mw18w, mw18w_state, empty_init, ROT0, "Midway", "18 Wheeler (set 2)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_MECHANICAL, layout_18w )