$868C: EED173 -> 4C0001 to exit on keypress (context is 20DB7A4C7186EED173)
$6E6D: C0 -> D0 to disable sound (context is 8E30C088D0F460207F6E)
$7B88: ADBD73 -> 4C0001 to exit on keypress (context is AD00C010E3ADBD73F003201A95)
$8FDF: 2C10C0 -> 4C0001 to exit on keypress (context is 4CBF8F2C10C0A9008DFD73)
$902F: A9008D -> 4C0001 to exit on keypress (context is 4C0C90A9008DFD73)
$9078: 20D107 -> 4C0001 to exit at end of demo cycle (context is 4C569020D1078DAB73)