public void Tick()
{
List <string> valid = new List <string>();
List <Gate> toActivate = Gates.Select(g => g).ToList();
while (toActivate.Count > 0)
{
List <Gate> activable = toActivate.Where(g => IsActivable(g, valid)).ToList();
foreach (Gate gate in activable)
{
gate.Tick(_registers);
valid.Add(gate.Output);
toActivate.Remove(gate);
}
}
}
