GATEFUNC(Diode) {
	setport(2, getport(1));
}
GATEFUNC(Not) {
	setport(2, !getport(1));
}

////

enum GateFuncs {
	GateFunc_None,
	GateFunc_Diode = 1,
	GateFunc_Not   = 2,
};

GateFunc sim_logic_functions[] = {
	0,
	GATEFUNCID(Diode),
	GATEFUNCID(Not),
};