void ym2610_device::device_start()
{
ay8910_device::device_start();
int rate = clock()/72;
void *pcmbufa,*pcmbufb;
int pcmsizea,pcmsizeb;
std::string name(tag());
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
m_stream = machine().sound().stream_alloc(*this,0,2,rate, stream_update_delegate(FUNC(ym2610_device::stream_generate),this));
/* setup adpcm buffers */
pcmbufa = region()->base();
pcmsizea = region()->bytes();
name.append(".deltat");
pcmbufb = (void *)(machine().root_device().memregion(name.c_str())->base());
pcmsizeb = machine().root_device().memregion(name.c_str())->bytes();
if (pcmbufb == NULL || pcmsizeb == 0)
{
pcmbufb = pcmbufa;
pcmsizeb = pcmsizea;
}
/**** initialize YM2610 ****/
m_chip = ym2610_init(this,this,clock(),rate,
pcmbufa,pcmsizea,pcmbufb,pcmsizeb,
timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != NULL, "Error creating YM2610 chip");
}
void ym2608_device::device_start()
{
ay8910_device::device_start();
int rate = clock()/72;
void *pcmbufa;
int pcmsizea;
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
m_stream = machine().sound().stream_alloc(*this,0,2,rate, stream_update_delegate(FUNC(ym2608_device::stream_generate),this));
/* setup adpcm buffers */
pcmbufa = region()->base();
pcmsizea = region()->bytes();
/* initialize YM2608 */
m_chip = ym2608_init(this,this,clock(),rate,
pcmbufa,pcmsizea,
timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != NULL, "Error creating YM2608 chip");
}
void ym2203_device::calculate_rates()
{
int rate = clock()/72; /* ??? */
if (m_stream != nullptr)
m_stream->set_sample_rate(rate);
else
m_stream = machine().sound().stream_alloc(*this,0,1,rate, stream_update_delegate(&ym2203_device::stream_generate,this));
}
void ym2203_device::device_start()
{
ay8910_device::device_start();
int rate = clock()/72; /* ??? */
m_irq_handler.resolve();
/* Timer Handler set */
m_timer[0] = timer_alloc(0);
m_timer[1] = timer_alloc(1);
/* stream system initialize */
m_stream = machine().sound().stream_alloc(*this,0,1,rate, stream_update_delegate(FUNC(ym2203_device::stream_generate),this));
/* Initialize FM emurator */
m_chip = ym2203_init(this,this,clock(),rate,timer_handler,IRQHandler,&psgintf);
assert_always(m_chip != nullptr, "Error creating YM2203 chip");
}
