public void set_exec_red(){
		System.out.println("RED CALLED");
		set_to_black();
//		System.out.println(sim.get_current_instruction_format());
		switch(sim.get_current_instruction_format()){
		case 0:
			datapath.getAlu().setColor(Color.red);
			break;
		case 1:
			datapath.getAlu().setColor(Color.red);
			break;
		case 2:
			datapath.getAlu().setColor(Color.red);
			break;
		case 3:
			datapath.getAlu().setColor(Color.red);
			break;
		case 4:
			datapath.getAdder2().setColor(Color.red);
		case 5:
			datapath.getAdder2().setColor(Color.red);
		}
		datapath.repaint();
	}