return function(gate, argv)
	if #argv == 1 then
		gate.switchstate = toboolean(argv[1])
	else
		gate.switchstate = not gate.switchstate
	end
	Gate.setportstate(gate, 1, gate.switchstate)
	Gate.setportstate(gate, 2, gate.switchstate)
	Gate.cb(gate, bool_to_int[gate.ports[1].state])
end