public final void RFDR (int i, String op, byte X, short s, int d, byte R0) {
public final void RFDR (int i, String op, byte X, short s, Offset d, byte R0) {
  public final void RFDR (int i, String op, byte X, short s, int d, byte R0) {    i = begin(i, op);    VM.sysWrite(right(isFP(op)?FPR_NAMES[R0]:GPR_NAMES[R0] + " ", DEST_AREA_SIZE));    VM.sysWrite(right("[" + decimal(d) +  "+" + GPR_NAMES[X] + "<<" + decimal(s) + "]", SOURCE_AREA_SIZE));    end(i);  }