static void _stream_update(void *param/*, int interval*/)
{
y8950_state *info = (y8950_state *)param;
//stream_update(info->stream);
y8950_update_one(info->chip, DUMMYBUF, 0);
}
//static STREAM_UPDATE( y8950_stream_update )
void y8950_stream_update(UINT8 ChipID, stream_sample_t **outputs, int samples)
{
//y8950_state *info = (y8950_state *)param;
y8950_state *info = &Y8950Data[ChipID];
y8950_update_one(info->chip, outputs, samples);
}
void Opl_Apu::run_until( blip_time_t end_time )
{
if ( end_time > next_time )
{
blip_time_t time_delta = end_time - next_time;
blip_time_t time = next_time;
unsigned count = time_delta / period_ + 1;
switch (type_)
{
case type_opll:
case type_msxmusic:
case type_smsfmunit:
case type_vrc7:
{
SAMP bufMO[ 1024 ];
SAMP bufRO[ 1024 ];
SAMP * buffers[2] = { bufMO, bufRO };
while ( count > 0 )
{
unsigned todo = count;
if ( todo > 1024 ) todo = 1024;
ym2413_update_one( opl, buffers, todo );
if ( output_ )
{
int last_amp = this->last_amp;
for ( unsigned i = 0; i < todo; i++ )
{
int amp = bufMO [i] + bufRO [i];
int delta = amp - last_amp;
if ( delta )
{
last_amp = amp;
synth.offset_inline( time, delta, output_ );
}
time += period_;
}
this->last_amp = last_amp;
}
else time += period_ * todo;
count -= todo;
}
}
break;
case type_opl:
case type_msxaudio:
case type_opl2:
{
OPLSAMPLE buffer[ 1024 ];
while ( count > 0 )
{
unsigned todo = count;
if ( todo > 1024 ) todo = 1024;
switch (type_)
{
case type_opl: ym3526_update_one( opl, buffer, todo ); break;
case type_msxaudio: y8950_update_one( opl, buffer, todo ); break;
case type_opl2: ym3812_update_one( opl, buffer, todo ); break;
default: break;
}
if ( output_ )
{
int last_amp = this->last_amp;
for ( unsigned i = 0; i < todo; i++ )
{
int amp = buffer [i];
int delta = amp - last_amp;
if ( delta )
{
last_amp = amp;
synth.offset_inline( time, delta, output_ );
}
time += period_;
}
this->last_amp = last_amp;
}
else time += period_ * todo;
count -= todo;
}
}
break;
}
next_time = time;
}
}
void y8950_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
{
y8950_update_one(m_chip, outputs[0], samples);
}
static STREAM_UPDATE( y8950_stream_update )
{
y8950_state *info = (y8950_state *)param;
y8950_update_one(info->chip, outputs[0], samples);
}
