$8B39: B006AD00C04C5F8BA9008D1B8B -> B008AD00C0101F4C000120698B to exit on keypress on main menu
$7716: C0 -> D0 to disable sound (context is BD20C0E602D005E603)
$7730: C0 -> D0 to disable sound (context is BD20C0E602D005E603)
$88BF: C993D00B2C10C0 -> 10034C0001EAEA (context is AD00C0C993D00B2C10C0)
$6474: C992F012C9 -> 101C4C0001 (context is AD00C0C992F012C9A0D016)
$685E: C992F012C9 -> 101C4C0001 (same context as above)
$78CD: 4CED78 -> 4C0001 to exit after demo cycle