public final void RA (int i, String op, int d) {
public final void RA (int i, String op, Offset d) {
  public final void RA (int i, String op, int d) {    i = begin(i, op);    VM.sysWrite(right("[" + hex(d) + "]", DEST_AREA_SIZE));    VM.sysWrite(right("", SOURCE_AREA_SIZE));    end(i);  }