void twinhawkYM2151IRQHandler(int irq )
{
if (irq)
{
ZetRaiseIrq(1);
}
else
{
ZetLowerIrq();
}
}
int QsndSectRun(int nStart,int nEnd)
{
int nTo;
// See if an irq occurs before the end
while (nStart+nIrqNext<nEnd)
{
nTo=nStart+nIrqNext;
SectRun(nStart,nTo);
ZetRaiseIrq(0xff);
ZetRun(0);
ZetLowerIrq();
nIrqNext=nIrqPeriod; // Next irq happens after period
nStart=nTo; // Done this part now
}
nTo=nEnd;
SectRun(nStart,nTo);
nIrqNext-=nTo-nStart; // Next irq happens sooner
return 0;
}