sTimerInt
ClearBitsMip(1 << sTimerInt);
SetBitsMip(1 << sTimerInt);
SetBitsSie((1 << sTimerInt) | (1 << sSoftInt) | (1 << sExternInt));
case causeInterrupt + sTimerInt: {
ClearBitsSie(1 << sTimerInt);
SetBitsSie(1 << sTimerInt);
ClearBitsSie(1 << sTimerInt);