operand1.toString() + " " + OP_MAP[operation - IADD] + " " + operand2.toString();
refs[0].toString() + " " + OP_MAP[operation - IADD] + " " + refs[1].toString();
	public String toString() {		return getAddress() + ": " + getLHS().toString() + " = " +			operand1.toString() + " " + OP_MAP[operation - IADD] +			" " + operand2.toString();	}