   case 'H': doHelp();                         break;
   case 'R': doReset(arg);                     break;
   case 'L': doLoader();                       break;
-  case 'M': doMapping();                   break;
+  case 'M': doMapping();                      break;
   case 'P': if (0 <= arg && arg < arrayLen(gt1Files))
               doTransfer(gt1Files[arg].gt1);  break;
   case 'U': doTransfer(NULL);                 break;

#define buttonSelect 32
#define buttonB      64
#define buttonA      128
// Note: The kit's controller gives inverted signals.

/*
 *  Font data

  }

  // Start 'Loader' application on Gigatron
  sendController(~buttonA & 255, 2);

  // Wait for Loader to be running
  delay(1000);
