Throw error if byte code is not a byte
Throw error if byte code is not a byte

fmateoc/SqueakJS,fmateoc/SqueakJS,bertfreudenberg/SqueakJS,fniephaus/SqueakJS,bertfreudenberg/SqueakJS,fmateoc/SqueakJS,fmateoc/SqueakJS,bertfreudenberg/SqueakJS,the-impossible-quiz-revisited/the-impossible-quiz-revisited.github.io,bertfreudenberg/SqueakJS,sebastianconcept/SqueakJS,the-impossible-quiz-revisited/the-impossible-quiz-revisited.github.io,the-impossible-quiz-revisited/the-impossible-quiz-revisited.github.io,fniephaus/SqueakJS,sebastianconcept/SqueakJS,sebastianconcept/SqueakJS,fniephaus/SqueakJS,Speed-Pad/online,the-impossible-quiz-revisited/the-impossible-quiz-revisited.github.io,Speed-Pad/online,Speed-Pad/online,fniephaus/SqueakJS