   static bool activeCommand = false;
   static bool waitingForX = false;
   static bool waitingForY = false;
+  long videoUpdateTimer = 0;
   unsigned char inChar;
 
   // Process serial data

      }
    }
  }
}

          case CMD_NEWLINE:         newLine(); break;
          case CMD_SET_X:           waitingForX = true; break;
          case CMD_SET_Y:           waitingForY = true; break;
          default: break;           // Unknown command - Just skip it
        }
        activeCommand = false;
