$8539: 23 -> 07 to reduce wait time after each animation (context is A200A000A9238528)
$8541: 2C10C0 -> 4C0001 to exit on keypress (context is AD00C0100B2C10C0C9A0F00EC98DF00ACAD0ED)
$84C3: A208A0 -> 4C0001 to exit at end of demo cycle (context is A208A00C20EF84)