//static STREAM_UPDATE( ym3812_stream_update )
void ym3812_stream_update(void *param, stream_sample_t **outputs, int samples)
{
ym3812_state *info = (ym3812_state *)param;
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
ym3812_update_one(info->chip, outputs, samples);
break;
#endif
case EC_DBOPL:
adlib_OPL2_getsample(info->chip, outputs, samples);
break;
}
}
//static STREAM_UPDATE( ym3812_stream_update )
void ym3812_stream_update(UINT8 ChipID, stream_sample_t **outputs, int samples)
{
//ym3812_state *info = (ym3812_state *)param;
ym3812_state *info = &YM3812Data[ChipID];
switch(EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
ym3812_update_one(info->chip, outputs, samples);
break;
#endif
case EC_DBOPL:
adlib_OPL2_getsample(info->chip, outputs, samples);
break;
}
}
static void _stream_update(void * param/*, int interval*/)
{
ym3812_state *info = (ym3812_state *)param;
//stream_update(info->stream);
switch(info->EMU_CORE)
{
#ifdef ENABLE_ALL_CORES
case EC_MAME:
ym3812_update_one(info->chip, DUMMYBUF, 0);
break;
#endif
case EC_DBOPL:
adlib_OPL2_getsample(info->chip, DUMMYBUF, 0);
break;
}
}
static int sfx_soundexpander_sound_machine_calculate_samples(sound_t *psid, SWORD *pbuf, int nr, int interleave, int *delta_t)
{
int i;
int j;
SWORD *buffer;
buffer = lib_malloc(nr * 2);
if (sfx_soundexpander_chip == 3812) {
ym3812_update_one(YM3812_chip, buffer, nr);
} else {
ym3526_update_one(YM3526_chip, buffer, nr);
}
for (i = 0; i < nr; i++) {
for (j = 0; j < interleave; j++) {
pbuf[(i * interleave) + j] = sound_audio_mix(pbuf[(i * interleave) + j], buffer[i]);
}
}
lib_free(buffer);
return nr;
}
static int sfx_soundexpander_sound_machine_calculate_samples(sound_t **psid, SWORD *pbuf, int nr, int soc, int scc, int *delta_t)
{
int i;
SWORD *buffer;
buffer = lib_malloc(nr * 2);
if (sfx_soundexpander_chip == 3812 && YM3812_chip) {
ym3812_update_one(YM3812_chip, buffer, nr);
} else if (sfx_soundexpander_chip == 3526 && YM3526_chip) {
ym3526_update_one(YM3526_chip, buffer, nr);
}
for (i = 0; i < nr; i++) {
pbuf[i * soc] = sound_audio_mix(pbuf[i * soc], buffer[i]);
if (soc > 1) {
pbuf[(i * soc) + 1] = sound_audio_mix(pbuf[(i * soc) + 1], buffer[i]);
}
}
lib_free(buffer);
return nr;
}
static STREAM_UPDATE( ym3812_stream_update )
{
ym3812_state *info = (ym3812_state *)param;
ym3812_update_one(info->chip, outputs[0], samples);
}
void ym3812_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
{
ym3812_update_one(m_chip, outputs[0], 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;
}
}
