void ym2203_device::device_start()
{
ay8910_device::device_start();
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
calculate_rates();
/* Initialize FM emurator */
int rate = clock()/72; /* ??? */
m_chip = ym2203_init(this,this,clock(),rate,timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != nullptr, "Error creating YM2203 chip");
}
void ym3812_device::device_start()
{
int rate = clock() / 72;
m_irq_handler.resolve();
/* stream system initialize */
m_chip = ym3812_init(this, clock(), rate);
assert_always(m_chip != nullptr, "Error creating YM3812 chip");
calculate_rates();
/* YM3812 setup */
ym3812_set_timer_handler (m_chip, timer_handler, this);
ym3812_set_irq_handler (m_chip, IRQHandler, this);
ym3812_set_update_handler(m_chip, ym3812_update_request, this);
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
}
void nesapu_device::device_start()
{
// resolve callbacks
m_irq_handler.resolve_safe();
m_mem_read_cb.resolve_safe(0x00);
create_noise(m_noise_lut, 13, apu_t::NOISE_LONG);
calculate_rates();
/* register for save */
for (int i = 0; i < 2; i++)
{
save_item(NAME(m_APU.squ[i].regs), i);
save_item(NAME(m_APU.squ[i].vbl_length), i);
save_item(NAME(m_APU.squ[i].freq), i);
save_item(NAME(m_APU.squ[i].phaseacc), i);
save_item(NAME(m_APU.squ[i].output_vol), i);
save_item(NAME(m_APU.squ[i].env_phase), i);
save_item(NAME(m_APU.squ[i].sweep_phase), i);
save_item(NAME(m_APU.squ[i].adder), i);
save_item(NAME(m_APU.squ[i].env_vol), i);
save_item(NAME(m_APU.squ[i].enabled), i);
}
save_item(NAME(m_APU.tri.regs));
save_item(NAME(m_APU.tri.linear_length));
save_item(NAME(m_APU.tri.vbl_length));
save_item(NAME(m_APU.tri.write_latency));
save_item(NAME(m_APU.tri.phaseacc));
save_item(NAME(m_APU.tri.output_vol));
save_item(NAME(m_APU.tri.adder));
save_item(NAME(m_APU.tri.counter_started));
save_item(NAME(m_APU.tri.enabled));
save_item(NAME(m_APU.noi.regs));
save_item(NAME(m_APU.noi.cur_pos));
save_item(NAME(m_APU.noi.vbl_length));
save_item(NAME(m_APU.noi.phaseacc));
save_item(NAME(m_APU.noi.output_vol));
save_item(NAME(m_APU.noi.env_phase));
save_item(NAME(m_APU.noi.env_vol));
save_item(NAME(m_APU.noi.enabled));
save_item(NAME(m_APU.dpcm.regs));
save_item(NAME(m_APU.dpcm.address));
save_item(NAME(m_APU.dpcm.length));
save_item(NAME(m_APU.dpcm.bits_left));
save_item(NAME(m_APU.dpcm.phaseacc));
save_item(NAME(m_APU.dpcm.output_vol));
save_item(NAME(m_APU.dpcm.cur_byte));
save_item(NAME(m_APU.dpcm.enabled));
save_item(NAME(m_APU.dpcm.irq_occurred));
save_item(NAME(m_APU.dpcm.vol));
save_item(NAME(m_APU.regs));
#ifdef USE_QUEUE
save_item(NAME(m_APU.queue));
save_item(NAME(m_APU.head));
save_item(NAME(m_APU.tail));
#else
save_item(NAME(m_APU.buf_pos));
save_item(NAME(m_APU.step_mode));
#endif
}
void nesapu_device::device_clock_changed()
{
calculate_rates();
}
void ym3812_device::device_clock_changed()
{
calculate_rates();
ym3812_clock_changed(m_chip, clock(), clock() / 72);
}