int YM2203_sh_start(const struct MachineSound *msound)
{
int i;
if (AY8910_sh_start_ym(msound)) return 1;
intf = msound->sound_interface;
/* Timer Handler set */
FMTimerInit();
/* stream system initialize */
for (i = 0;i < intf->num;i++)
{
int volume;
char name[20];
sprintf(name,"%s #%d FM",sound_name(msound),i);
volume = intf->mixing_level[i]>>16; /* high 16 bit */
stream[i] = stream_init(name,volume,Machine->sample_rate,i,YM2203UpdateOne/*YM2203UpdateCallback*/);
}
/* Initialize FM emurator */
if (YM2203Init(intf->num,intf->baseclock,Machine->sample_rate,TimerHandler,IRQHandler) == 0)
{
/* Ready */
return 0;
}
/* error */
/* stream close */
return 1;
}
int YM2610B_sh_start(const struct MachineSound *msound)
{
int i,j;
int rate = Machine->sample_rate;
char buf[YM2610_NUMBUF][40];
const char *name[YM2610_NUMBUF];
int mixed_vol,vol[YM2610_NUMBUF];
void *pcmbufa[YM2610_NUMBUF],*pcmbufb[YM2610_NUMBUF];
int pcmsizea[YM2610_NUMBUF],pcmsizeb[YM2610_NUMBUF];
intf = msound->sound_interface;
if( intf->num > MAX_2610 ) return 1;
if (AY8910_sh_start_ym(msound)) return 1;
/* Timer Handler set */
FMTimerInit();
/* stream system initialize */
for (i = 0;i < intf->num;i++)
{
/* stream setup */
mixed_vol = intf->volumeFM[i];
/* stream setup */
for (j = 0 ; j < YM2610_NUMBUF ; j++)
{
name[j]=buf[j];
vol[j] = mixed_vol & 0xffff;
mixed_vol>>=16;
sprintf(buf[j],"%s #%d Ch%d",sound_name(msound),i,j+1);
}
stream[i] = stream_init_multi(YM2610_NUMBUF,name,vol,rate,i,YM2610BUpdateOne);
/* setup adpcm buffers */
pcmbufa[i] = (void *)(memory_region(intf->pcmroma[i]));
pcmsizea[i] = memory_region_length(intf->pcmroma[i]);
pcmbufb[i] = (void *)(memory_region(intf->pcmromb[i]));
pcmsizeb[i] = memory_region_length(intf->pcmromb[i]);
}
/**** initialize YM2610 ****/
if (YM2610Init(intf->num,intf->baseclock,rate,
pcmbufa,pcmsizea,pcmbufb,pcmsizeb,
TimerHandler,IRQHandler) == 0)
return 0;
/* error */
return 1;
}
