void pc9801_86_device::pc9801_86_config(machine_config &config)
{
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
YM2608(config, m_opna, 7.987_MHz_XTAL);
m_opna->irq_handler().set(FUNC(pc9801_86_device::sound_irq));
m_opna->set_flags(AY8910_SINGLE_OUTPUT);
m_opna->port_a_read_callback().set(FUNC(pc9801_86_device::opn_porta_r));
//m_opna->port_b_read_callback().set(FUNC(pc8801_state::opn_portb_r));
//m_opna->port_a_write_callback().set(FUNC(pc8801_state::opn_porta_w));
m_opna->port_b_write_callback().set(FUNC(pc9801_86_device::opn_portb_w));
m_opna->add_route(0, "lspeaker", 1.00);
m_opna->add_route(0, "rspeaker", 1.00);
m_opna->add_route(1, "lspeaker", 1.00);
m_opna->add_route(2, "rspeaker", 1.00);
DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_ldac, 0).add_route(ALL_OUTPUTS, "lspeaker", 1.0); // burr brown pcm61p
DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_rdac, 0).add_route(ALL_OUTPUTS, "rspeaker", 1.0); // burr brown pcm61p
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.set_output(5.0);
vref.add_route(0, "ldac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "ldac", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "rdac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "rdac", -1.0, DAC_VREF_NEG_INPUT);
}
void ertictac_state::ertictac(machine_config &config)
{
ARM(config, m_maincpu, XTAL(24'000'000)/3); /* guess, 12MHz 8MHz or 6MHz, what's the correct divider 2, 3 or 4? */
m_maincpu->set_addrmap(AS_PROGRAM, &ertictac_state::ertictac_map);
m_maincpu->set_periodic_int(FUNC(ertictac_state::ertictac_podule_irq), attotime::from_hz(60)); // FIXME: timing of this
I2CMEM(config, "i2cmem", 0).set_page_size(NVRAM_PAGE_SIZE).set_data_size(NVRAM_SIZE);
// AAKART(config, m_kart, XTAL(24'000'000)/3); // TODO: frequency
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_raw(XTAL(16'000'000), 1024,0,735, 624/2,0,292); // RiscOS 3 default screen settings
m_screen->set_screen_update(FUNC(archimedes_state::screen_update));
PALETTE(config, m_palette).set_entries(0x200);
SPEAKER(config, "speaker").front_center();
for (int i = 0; i < 8; i++)
{
DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_dac[i], 0).add_route(0, "speaker", 0.05); // unknown DAC
}
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0));
vref.add_route(0, "dac0", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac0", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac1", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac1", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac2", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac2", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac3", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac3", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac4", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac4", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac5", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac5", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac6", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac6", -1.0, DAC_VREF_NEG_INPUT);
vref.add_route(0, "dac7", 1.0, DAC_VREF_POS_INPUT); vref.add_route(0, "dac7", -1.0, DAC_VREF_NEG_INPUT);
}