$17DB: A20120 -> 4C0001 to exit on button press (context is 0D62C01017A201201EFB)
$1760: 8D10C0 -> 4C0001 to exit on keypress (context is 8D10C084F220B617)
$17AD: 29C085 -> 4C0001 to exit on button press (context is 29C085F1A9006C2400)
$1705: 4C5017 -> 4C7003 to decrement custom counter after demo cycle and eventually exit (context is 8AF00286B64C5017)
no sound