   case 'Q': sendController(~buttonSelect, 2); break;
   case 'E': sendController(~buttonStart,  2); break;
   case 0: /* Empty line */                    break;
-  #if hasSerial
-    default:
-      Serial.println("!Unknown command (type 'H' for help)");
-  #endif
+  default:
+    Serial.println("!Unknown command (type 'H' for help)");
   }
   prompt();
 }
+#endif
 
 void doVersion()
 {

  case 'L': doLoader();                       break;
  case 'P': doTransfer(gt1File);              break;
  case 'U': doTransfer(NULL);                 break;
  case 'W': sendController(~buttonUp,     2); break;
  case 'A': sendController(~buttonLeft,   2); break;
  case 'S': sendController(~buttonDown,   2); break;

    Serial.println(": L        Start Loader");
    Serial.println(": P        Transfer object file from PROGMEM");
    Serial.println(": U        Transfer object file from USB");
    Serial.println(": .<text>  Send text line as ASCII key strokes");
    Serial.println(": T        Enter terminal mode");
    Serial.println(": W/A/S/D  Up/left/down/right arrow");
    Serial.println(": Z/X      A/B button ");
    Serial.println(": Q/E      Select/start button");
