void MSM5205_playmode_w(int num,int select)
{
struct MSM5205Voice *voice = sndti_token(SOUND_MSM5205, num);
static const int prescaler_table[4] = {96,48,64,0};
int prescaler = prescaler_table[select & 3];
int bitwidth = (select & 4) ? 4 : 3;
if( voice->prescaler != prescaler )
{
stream_update(voice->stream,0);
voice->prescaler = prescaler;
/* timer set */
if( prescaler )
{
double period = TIME_IN_HZ(voice->clock / prescaler);
timer_adjust_ptr(voice->timer, period, period);
}
else
timer_adjust_ptr(voice->timer, TIME_NEVER, 0);
}
if( voice->bitwidth != bitwidth )
{
stream_update(voice->stream,0);
voice->bitwidth = bitwidth;
}
}
static void TimerHandler_3812(void *param,int c,double period)
{
struct ym3812_info *info = param;
if( period == 0 )
{ /* Reset FM Timer */
timer_enable(info->timer[c], 0);
}
else
{ /* Start FM Timer */
timer_adjust_ptr(info->timer[c], period, 0);
}
}
/* TimerHandler from fm.c */
static void TimerHandler(void *param,int c,int count,double stepTime)
{
struct ym2610_info *info = param;
if( count == 0 )
{ /* Reset FM Timer */
timer_enable(info->timer[c], 0);
}
else
{ /* Start FM Timer */
double timeSec = (double)count * stepTime;
if (!timer_enable(info->timer[c], 1))
timer_adjust_ptr(info->timer[c], timeSec, 0);
}
}
/* TimerHandler from fm.c */
static void TimerHandler(void *param,int c,int count,double stepTime)
{
struct ym2612_info *info = param;
if( count == 0 )
{ /* Reset FM Timer */
timer_enable(info->timer[c], 0);
}
else
{ /* Start FM Timer */
double timeSec = (double)count * stepTime;
double slack;
slack = timer_get_time() - info->lastfired[c];
/* hackish way to make bstars intro sync without */
/* breaking sonicwi2 command 0x35 */
if (slack < 0.000050) slack = 0;
if (!timer_enable(info->timer[c], 1))
timer_adjust_ptr(info->timer[c], timeSec - slack, 0);
}
}
