more optimizations: move port states into gates, inline net queue checks

sim/gatedef.lua

@@ -81,9 +81,15 @@ function GateDefinition.constructgate(def, objref, position, rotation)
 			pos[1] = -pos[2]
 			pos[2] = x
 		end
-
-		Gate.addport(gate, Port.new(type, dir, {position[1]+pos[1], position[2]+pos[2], position[3]+pos[3]}, portd.causeupdate, i))
+		
+		local port = Port.new(type, dir, {position[1]+pos[1], position[2]+pos[2], position[3]+pos[3]}, portd.causeupdate, i, gate)
+		
+		gate.ports[port.idx] = port
+		--gate[port.idx*2] = nil
+		--gate[port.idx*2+1] = 0
+		gate.port_nets[port.idx] = nil
+		gate.port_states[port.idx] = 0
 	end
-
+	
 	return gate
 end