diff --git a/sim/gate.lua b/sim/gate.lua
index 3861d9c..5a0d0eb 100644
--- a/sim/gate.lua
+++ b/sim/gate.lua
@@ -1,6 +1,14 @@
 
 Gate = {}
 
+FFI.cdef[[
+	struct Gate {
+		int objref;
+		int definition_objref;
+		struct Port ports[1];
+	};
+]]
+
 function Gate.new(self, objref, definition, sim)
 	local o = {
 		objref = objref,
@@ -57,3 +65,21 @@ end
 function Gate.getsim(gate)
 	return gate.sim
 end
+
+function Gate.getdefinition(gate)
+	return gate.definition
+end
+
+-- Logic functions
+
+function Gate.init(gate)
+	Gate.getdefinition(gate).init(gate)
+end
+
+function Gate.logic(gate)
+	Gate.getdefinition(gate).logic(gate)
+end
+
+function Gate.input(gate, argv)
+	Gate.getdefinition(gate).input(gate, argv)
+end
diff --git a/sim/gatedef.lua b/sim/gatedef.lua
index 631ceaf..30d5487 100644
--- a/sim/gatedef.lua
+++ b/sim/gatedef.lua
@@ -58,11 +58,11 @@ function GateDefinition.new(self, objref, name, description, init, logic, input,
 	return o
 end
 
-function GateDefinition.constructgate(self, objref, position, rotation, sim)
-	local gate = Gate.new(Gate, objref, self, sim)
+function GateDefinition.constructgate(def, objref, position, rotation, sim)
+	local gate = Gate.new(Gate, objref, def, sim)
 
-	for i = 1, #self.ports do
-		local portd = self.ports[i]
+	for i = 1, #def.ports do
+		local portd = def.ports[i]
 		local type = portd.type
 		local pos = {portd.position[1], portd.position[2], portd.position[3]}
 		local dir = portd.direction
diff --git a/sim/group.lua b/sim/group.lua
index 7aaec39..46d70af 100644
--- a/sim/group.lua
+++ b/sim/group.lua
@@ -59,7 +59,7 @@ function Group.removewire(self, wire)
 	end
 	
 	for k, wire in pairs(self.wires) do
-		Simulation.connectwire(sim. wire)
+		Simulation.connectwire(sim, wire)
 	end
 	
 	for k, port in pairs(self.out_ports) do
diff --git a/sim/main.lua b/sim/main.lua
index 65f2b3f..a90ec0f 100644
--- a/sim/main.lua
+++ b/sim/main.lua
@@ -14,15 +14,15 @@ local ffi = require("ffi")
 
 dofile("iosafe.lua")
 
+FFI = ffi
 dofile("utility.lua")
 dofile("simulation.lua")
 dofile("group.lua")
 dofile("wire.lua")
 dofile("gatedef.lua")
-dofile("gate.lua")
 dofile("port.lua")
+dofile("gate.lua")
 dofile("save.lua")
-FFI = ffi
 dofile("compile.lua")
 FFI = nil
 
@@ -49,6 +49,7 @@ local avgticks = {}
 local totalticks = 0
 
 local sim = Simulation.new(Simulation)
+GSim = sim
 
 local units = {
 	"uHz",
@@ -164,8 +165,8 @@ while 1 do
 				
 				Simulation.addgate(sim, gate)
 				--print(gate.objref)
-				gate.definition.init(gate)
-				gate.definition.logic(gate)
+				Gate.init(gate)
+				Gate.logic(gate)
 				
 				i = i + 4
 			elseif data[i] == "RW" then
@@ -254,33 +255,34 @@ while 1 do
 				local userid = data[i+1]
 				local objref = tonumber(data[i+2])
 				
-				local obj = Simulation.getwirebyref(sim, objref) or Simulation.getgatebyref(sim, objref)
+				local info = ""
 				
-				if obj ~= nil then
-					local info = ""
+				local wire = Simulation.getwirebyref(sim, objref)
+				if wire then
+					local numportsi = 0; for k, wire2 in pairs(Wire.getgroup(wire).in_ports ) do numportsi = numportsi+1 end
+					local numportso = 0; for k, wire2 in pairs(Wire.getgroup(wire).out_ports) do numportso = numportso+1 end
+					local numwires  = 0; for k, wire2 in pairs(Wire.getgroup(wire).wires    ) do numwires  = numwires +1 end
 					
-					if obj.logictype == 0 then
-						local numportsi = 0; for k, wire in pairs(Wire.getgroup(obj).in_ports ) do numportsi = numportsi+1 end
-						local numportso = 0; for k, wire in pairs(Wire.getgroup(obj).out_ports) do numportso = numportso+1 end
-						local numwires  = 0; for k, wire in pairs(Wire.getgroup(obj).wires    ) do numwires  = numwires +1 end
-						
-						info = "\\c5Net " .. tostring(obj.group):match("table: 0x(.+)"):upper() .. "\n" .. (Wire.getgroup(obj).state and "\\c2On" or "\\c0Off") .. "\n" ..
-							"Wires: "..numwires.."\n"..
-							"In Ports: " ..numportsi.."\n"..
-							"Out Ports: "..numportso
-						;
-					else
-						info = "\\c5" .. obj.definition.name .. "<br>"
-						for i = 1, #obj.ports do
-							info = info .. (obj.ports[i].state and "\\c2" or "\\c0") .. obj.definition.ports[i].name .. (i ~= #obj.ports and " " or "")
-						end
-					end
-					
-					if info ~= "" then
-						client:send("GINFO\t" .. userid .. "\t" .. expandescape(info) .. "\n")
+					info = "\\c5Net " .. tostring(wire.group):match("table: 0x(.+)"):upper() .. "\n" .. (Wire.getgroup(wire).state and "\\c2On" or "\\c0Off") .. "\n" ..
+						"Wires: "..numwires.."\n"..
+						"In Ports: " ..numportsi.."\n"..
+						"Out Ports: "..numportso
+					;
+				end
+				
+				local gate = Simulation.getgatebyref(sim, objref)
+				if gate then
+					local def = Gate.getdefinition(gate)
+					info = "\\c5" .. def.name .. "<br>"
+					for i = 1, #gate.ports do
+						info = info .. (gate.ports[i].state and "\\c2" or "\\c0") .. def.ports[i].name .. (i ~= #gate.ports and " " or "")
 					end
 				end
 				
+				if info ~= "" then
+					client:send("GINFO\t" .. userid .. "\t" .. expandescape(info) .. "\n")
+				end
+				
 				i = i + 2
 			elseif data[i] == "SINFO" then
 				client:send("SINFO\t" .. data[i+1] .. "\t" .. sim.nwires .. "\t" .. sim.ngates .. "\t" .. sim.ninports .. "\t" .. sim.noutports .. "\n")
diff --git a/sim/port.lua b/sim/port.lua
index bb3a23c..c90f77e 100644
--- a/sim/port.lua
+++ b/sim/port.lua
@@ -1,7 +1,7 @@
 
 PortTypes = {
 	output = 0,
-	input = 1
+	input = 1,
 }
 
 PortDirections = {
@@ -13,9 +13,20 @@ PortDirections = {
 	[5] = {0, 0, -1}
 }
 
-Port = {
-	logictype = 1,
-}
+Port = {}
+
+FFI.cdef[[
+	struct Gate;
+	struct Port {
+		bool state;
+		char type;
+		char direction;
+		bool causeupdate;
+		int position[3];
+		struct Gate* gate;
+		struct Net* group;
+	};
+]]
 
 function Port.new(self, type, direction, position, causeupdate, sim)
 	local o = {
diff --git a/sim/simulation.lua b/sim/simulation.lua
index ded32af..c7764ac 100644
--- a/sim/simulation.lua
+++ b/sim/simulation.lua
@@ -169,13 +169,19 @@ function Simulation.removegate(self, objref)
 	self.ngates = self.ngates - 1
 end
 
+local function is_wire(obj)
+	return obj.layer~=nil
+end
+
 function Simulation.connectwireat(self, wire, x, y, z)
 	local objs = Simulation.getfromworld(self, x, y, z)
 	for k, obj in pairs(objs) do
 		if obj ~= wire and obj.group ~= nil then
-			if obj.logictype == 0 and Wire.getlayer(obj) == Wire.getlayer(wire) then
+			if is_wire(obj) then -- wire
+				if Wire.getlayer(obj) == Wire.getlayer(wire) then -- same layer
 					Group.addwire(obj.group, wire)
-			elseif obj.logictype == 1 then
+				end
+			else -- port
 				Group.addwire(obj.group, wire)
 			end
 		end
@@ -273,13 +279,13 @@ function Simulation.tick(self)
 	self.groupqueue = {}
 	
 	for k, gate in pairs(self.initqueue) do
-		gate.definition.init(gate)
+		Gate.init(gate)
 	end
 	self.initqueue = {}
 	
 	for gate, inputs in pairs(self.inputqueue) do
 		for inputidx, argv in ipairs(inputs) do
-			gate.definition.input(gate, argv)
+			Gate.input(gate, argv)
 		end
 	end
 	self.inputqueue = {}
@@ -292,7 +298,7 @@ function Simulation.tick(self)
 	end
 	
 	for k, gate in pairs(self.gatequeue) do
-		gate.definition.logic(gate)
+		Gate.logic(gate)
 	end
 	self.gatequeue = {}
 	
diff --git a/sim/wire.lua b/sim/wire.lua
index 25c9713..190dac4 100644
--- a/sim/wire.lua
+++ b/sim/wire.lua
@@ -1,7 +1,5 @@
 
-Wire = {
-	logictype = 0
-}
+Wire = {}
 
 function Wire.new(self, objref, layer, bounds, sim)
 	local o = {