DEVICE_INPUT_DEFAULTS_END
void genpc_state::pcmda(machine_config &config)
{
/* basic machine hardware */
I8088(config, m_maincpu, 4772720);
m_maincpu->set_addrmap(AS_PROGRAM, &genpc_state::pc8_map);
m_maincpu->set_addrmap(AS_IO, &genpc_state::pc8_io);
m_maincpu->set_irq_acknowledge_callback("mb:pic8259", FUNC(pic8259_device::inta_cb));
IBM5160_MOTHERBOARD(config, "mb", 0).set_cputag(m_maincpu);
ISA8_SLOT(config, "isa1", 0, "mb:isa", pc_isa8_cards, "mda", false); // FIXME: determine ISA bus clock
ISA8_SLOT(config, "isa2", 0, "mb:isa", pc_isa8_cards, "com", false);
ISA8_SLOT(config, "isa3", 0, "mb:isa", pc_isa8_cards, "fdc_xt", false);
ISA8_SLOT(config, "isa4", 0, "mb:isa", pc_isa8_cards, "hdc", false);
ISA8_SLOT(config, "isa5", 0, "mb:isa", pc_isa8_cards, "adlib", false);
ISA8_SLOT(config, "isa6", 0, "mb:isa", pc_isa8_cards, nullptr, false);
/* keyboard */
PC_KBDC_SLOT(config, "kbd", pc_xt_keyboards, STR_KBD_IBM_PC_XT_83).set_pc_kbdc_slot(subdevice("mb:pc_kbdc"));
/* internal ram */
RAM(config, RAM_TAG).set_default_size("640K").set_extra_options("64K, 128K, 256K, 512K");
/* software lists */
SOFTWARE_LIST(config, "disk_list").set_original("ibm5150");
}
void mephisto_pinball_state::mephisto(machine_config &config)
{
/* basic machine hardware */
I8088(config, m_maincpu, XTAL(18'000'000)/3);
m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_pinball_state::mephisto_map);
//m_maincpu->set_irq_acknowledge_callback("muart", FUNC(i8256_device::inta_cb));
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
//i8256_device &muart(I8256(config, "muart", XTAL(18'000'000)/3));
//muart.irq_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
//muart.txd_handler().set_inputline("audiocpu", MCS51_RX_LINE);
I8155(config, "ic20", XTAL(18'000'000)/6);
//i8155_device &i8155_1(I8155(config, "ic20", XTAL(18'000'000)/6));
//i8155_1.out_to_callback().set("muart", FUNC(i8256_device::write_txc));
I8155(config, "ic9", XTAL(18'000'000)/6);
//i8155_device &i8155_2(I8155(config, "ic9", XTAL(18'000'000)/6));
//i8155_2.out_to_callback().set(FUNC(mephisto_pinball_state::clk_shift_w));
i8051_device &soundcpu(I8051(config, "soundcpu", XTAL(12'000'000)));
soundcpu.set_addrmap(AS_PROGRAM, &mephisto_pinball_state::mephisto_8051_map); // EA tied high for external program ROM
soundcpu.set_addrmap(AS_IO, &mephisto_pinball_state::mephisto_8051_io);
soundcpu.port_in_cb<1>().set(FUNC(mephisto_pinball_state::ay8910_read));
soundcpu.port_out_cb<1>().set(FUNC(mephisto_pinball_state::ay8910_write));
soundcpu.port_out_cb<3>().set(FUNC(mephisto_pinball_state::t0_t1_w));
soundcpu.serial_rx_cb().set_constant(0); // from MUART
SPEAKER(config, "mono").front_center();
AY8910(config, m_aysnd, XTAL(12'000'000)/8);
m_aysnd->port_a_write_callback().set(FUNC(mephisto_pinball_state::ay8910_columns_w));
m_aysnd->port_b_read_callback().set(FUNC(mephisto_pinball_state::ay8910_inputs_r));
m_aysnd->add_route(ALL_OUTPUTS, "mono", 0.5);
DAC08(config, "dac", 0).add_route(ALL_OUTPUTS, "mono", 0.5);
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.set_output(5.0);
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}