// since this operation is carried out writing sa value as unsigned value, it is necessary
// the overriding of ID method
public void ID() throws RAWException, IrregularWriteOperationException {
// if the source register is valid passing his own value into a temporary register
Register rt = cpu.getRegister(params.get(RT_FIELD));
if (rt.getWriteSemaphore() > 0) throw new RAWException();
TR[RT_FIELD] = rt;
// writing on a temporary register the sa field as unsigned value
TR[SA_FIELD].writeDoubleWord(params.get(SA_FIELD));
// increment the semaphore of the destination register
Register rd = cpu.getRegister(params.get(RD_FIELD));
rd.incrWriteSemaphore();
}
