Stack: ... -> ..., item.word1, item.word2
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.
super(index);
Read needed data (i.e., index) from file. setIndex(bytes.readUnsignedShort()); length = 3;
setIndex(bytes.readUnsignedShort()); length = 3;