return new OPT_MemoryOperand(base, null, (byte)0, disp, size, loc, guard);
return new OPT_MemoryOperand(base, null, (byte)0, disp.toInt(), size, loc, guard);
  public static OPT_MemoryOperand BD(OPT_RegisterOperand base,                                      int disp,                                      byte size,                                     OPT_LocationOperand loc,                                     OPT_Operand guard) {    return new OPT_MemoryOperand(base, null, (byte)0, disp, size, loc, guard);  }