/**
* @brief Calculates the value of ALUz.
*/
public IEnumerator ComputeALUz()
{
ALU.ComputeZ();
busSystem.StartTransferringData(BusControl.BUS_ROUTE.ALUZ_PSR);
yield return(new WaitForSeconds(clock.GetSpeed()));
ALU.SetPSR();
busSystem.StopTransferringData(BusControl.BUS_ROUTE.ALUZ_PSR);
}