// license:BSD-3-Clause // copyright-holders:AJR /**************************************************************************** Skeleton driver for 4-player dart board by Merit-Nomac Industries, Inc. ****************************************************************************/ #include "emu.h" #include "cpu/m6800/m6800.h" #include "sound/dac.h" #include "sound/volt_reg.h" #include "speaker.h" class pubtimed_state : public driver_device { public: pubtimed_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } void pubtimed(machine_config &mconfig); private: void mem_map(address_map &map); required_device m_maincpu; }; void pubtimed_state::mem_map(address_map &map) { map(0x0800, 0x080f).ram(); // LCD segment driver? map(0x0820, 0x083f).ram(); // LCD segment driver? map(0x4000, 0x4000).portr("UNKNOWN"); map(0x6000, 0x6000).w("dac", FUNC(dac_byte_interface::data_w)); map(0xe000, 0xffff).rom().region("roms", 0); } static INPUT_PORTS_START(pubtimed) PORT_START("UNKNOWN") PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_START1) PORT_BIT(0xfd, IP_ACTIVE_HIGH, IPT_UNKNOWN) // TODO: DIP switches INPUT_PORTS_END void pubtimed_state::pubtimed(machine_config &config) { M6802(config, m_maincpu, 4'000'000); // clock unknown m_maincpu->set_addrmap(AS_PROGRAM, &pubtimed_state::mem_map); SPEAKER(config, "speaker").front_center(); DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref")); vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); } ROM_START(pubtimed) ROM_REGION(0x2000, "roms", 0) ROM_LOAD("9278-13_u12-2_c1990_mii.u12", 0x0000, 0x1000, CRC(76af40ae) SHA1(57d85067a8d0bf09b7c14851f0eb08f68c5bd318)) ROM_LOAD("9278-13_u13-2_c1990_mii.u13", 0x1000, 0x1000, CRC(2092583a) SHA1(825e6e7c6fe7b4e74cb64fab87b27d09db798b8b)) ROM_REGION(0x200, "plds", 0) ROM_LOAD("sc3922_pal20l10.u11", 0x000, 0x117, NO_DUMP) ROM_END GAME(1987, pubtimed, 0, pubtimed, pubtimed, pubtimed_state, empty_init, ROT0, "Merit-Nomac Industries", "Pub Time Darts", MACHINE_NOT_WORKING | MACHINE_MECHANICAL)