$84B7: 2007 -> F00D to skip Mockingboard question (context is 2C10C0A200200786AD00C0)
$8547: C0 -> D0 to disable sound (context is AD30C0E683D005E6B4)
$857D: C0 -> D0 to disable sound (context is AD30C0E683D005E6B4 again)
$8598: C0 -> D0 to disable sound (context is AD30C0E683D005E6B4 again)
$8562: C0 -> D0 to disable sound (context is AD30C0E683D005E6B4 again)
$7FEE: 20 -> 2C to skip unskippable title screen music (context is 20987CE61120947D)
$7D99: AD00C0 -> 4C0001 to exit on keypress (context is 2C00C01009AD00C0082C10C02860)
$7B88: C0 -> D0 to disable sound during demo (context is AD30C0EAEACAF00748684868)
$812F: AD00C0 -> 4C0001 to exit at end of demo cycle (context is AD00C0AD10C0A5FFC9FEF0034C3E7F)