@Override
	public void mapInstructionLabel(List<String> instructionParts, int lineNum) {
		if (instructionParts.get(0).endsWith(":")) { //Ending with ":" indicates presence of a label, else do nothing
			String label = instructionParts.get(0).substring(0, instructionParts.get(0).length() - 1); //Trim colon from end
			lookupTable.put(label, lineNum);
		}
		return;
	}