if      (buffer_code == ONE) { return buffer_2; } else if (buffer_code == TWO) { return buffer_1; }
if      (buffer_code == ONE) { return buffer_1; } else if (buffer_code == TWO) { return buffer_2; }
  public byte[] getCurrentBuffer() throws VM_PragmaLogicallyUninterruptible  {    if      (buffer_code == ONE) { return buffer_2; }     else if (buffer_code == TWO) { return buffer_1; }    else {      VM.sysWrite("***VM_HPM.getCurrentBuffer() buffer_code = ",buffer_code,", but must be 1 or 2!***");      return null;     }  }