@Override
	public boolean isReady() {
		for (Node n : opNOPs)
			if (!n.isReady())
				return false;
		for (Node n : inNOPs_A)
			if (!n.isReady())
				return false;
		for (Node n : inNOPs_B)
			if (!n.isReady())
				return false;
		return clock.isReady();
	}