diff --git a/sim/compile.lua b/sim/compile.lua
deleted file mode 100644
index 8b13789..0000000
--- a/sim/compile.lua
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/sim/compiled_sim.c b/sim/compiled_sim.c
index 8b13789..3a2eb51 100644
--- a/sim/compiled_sim.c
+++ b/sim/compiled_sim.c
@@ -1 +1,78 @@
 
+#include <assert.h>
+
+struct Net;
+struct Gate;
+
+struct Gate {
+	int* in_queue;
+	int* port_states;
+	int** port_net_state;
+	int** port_net_state_num;
+	int** port_net_in_queue;
+	struct Net** port_nets_c;
+	int objref;
+};
+struct Net {
+	int* state;
+	int* state_num;
+	int* in_queue;
+	int* update_tick;
+	int* num_gates_update;
+	struct Gate** gates_update_c;
+	int id;
+};
+
+
+void sim_set_data(struct Net** net_queue, int* num_net_queue, struct Gate** gate_queue, int* num_gate_queue, int* current_tick, int queue_max);
+void sim_update_nets();
+
+struct Net** net_queue;
+int* num_net_queue;
+struct Gate** gate_queue;
+int* num_gate_queue;
+int* current_tick;
+int queue_max;
+
+void sim_set_data(struct Net** net_queue_in, int* num_net_queue_in, struct Gate** gate_queue_in, int* num_gate_queue_in, int* current_tick_in, int queue_max_in) {
+	net_queue = net_queue_in;
+	num_net_queue = num_net_queue_in;
+	gate_queue = gate_queue_in;
+	num_gate_queue = num_gate_queue_in;
+	current_tick = current_tick_in;
+	queue_max = queue_max_in;
+}
+
+void sim_update_net(struct Net* net);
+void sim_update_nets() {
+	for(int i=0; i<*num_net_queue; i++) {
+		struct Net* net = net_queue[i];
+		sim_update_net(net);
+		*(net->in_queue) = 0;
+		net_queue[i] = 0;
+	}
+	*num_net_queue = 0;
+}
+
+////
+
+void sim_queue_gate(struct Gate* gate) {
+	assert(*num_gate_queue < queue_max);
+	gate_queue[*num_gate_queue++] = gate;
+	*(gate->in_queue) = 1;
+}
+
+void sim_update_net(struct Net* net) {
+	int state = *(net->state_num) > 0;
+	if(state != *(net->state)) {
+		*(net->state) = state;
+		*(net->update_tick) = *current_tick;
+		
+		for(int i=0; i<*(net->num_gates_update); i++) {
+			struct Gate* gate = net->gates_update_c[i];
+			if(!*(gate->in_queue)) {
+				sim_queue_gate(gate);
+			}
+		}
+	}
+}
diff --git a/sim/compiled_sim.dll b/sim/compiled_sim.dll
index 603cc44..311e7f1 100644
Binary files a/sim/compiled_sim.dll and b/sim/compiled_sim.dll differ
diff --git a/sim/group.lua b/sim/group.lua
index 8b682d6..de7f6a6 100644
--- a/sim/group.lua
+++ b/sim/group.lua
@@ -212,23 +212,23 @@ function Group.mergeinto(group, group2)
 end
 
 -- Logic Critical
-function Group.update_c(cnet, tick)
-	local state = cnet.state_num[0]>0 and 1 or 0
-	if state ~= cnet.state[0] then
-		cnet.state[0] = state
-		cnet.update_tick[0] = tick
-		
-		local len = cnet.num_gates_update[0]-1
-		for i = 0, len do
-			local cgate = cnet.gates_update_c[i]
-			if cgate.in_queue[0]==0 then
-				Simulation.queuegate_c(GSim, cgate)
-			end
-		end
-		
-		--Simulation.queuegroupfx(GSim, net)
-	end
-end
+--function Group.update_c(cnet, tick)
+--	local state = cnet.state_num[0]>0 and 1 or 0
+--	if state ~= cnet.state[0] then
+--		cnet.state[0] = state
+--		cnet.update_tick[0] = tick
+--		
+--		local len = cnet.num_gates_update[0]-1
+--		for i = 0, len do
+--			local cgate = cnet.gates_update_c[i]
+--			if cgate.in_queue[0]==0 then
+--				Simulation.queuegate_c(GSim, cgate)
+--			end
+--		end
+--		
+--		--Simulation.queuegroupfx(GSim, net)
+--	end
+--end
 
 function Group.rebuild_ports(net)
 	net.gates_update = {}
diff --git a/sim/main.lua b/sim/main.lua
index ae0f027..2581794 100644
--- a/sim/main.lua
+++ b/sim/main.lua
@@ -26,7 +26,6 @@ dofile("gatedef.lua")
 dofile("port.lua")
 dofile("gate.lua")
 dofile("save.lua")
-dofile("compile.lua")
 dofile("network.lua")
 FFI = nil
 
diff --git a/sim/simulation.lua b/sim/simulation.lua
index 0c5f989..a2d2d4a 100644
--- a/sim/simulation.lua
+++ b/sim/simulation.lua
@@ -4,7 +4,10 @@ local ffi = FFI or require("ffi")
 ffi.cdef [[
 	struct Gate;
 	struct Net;
+	void sim_set_data(struct Net** net_queue, int* num_net_queue, struct Gate** gate_queue, int* num_gate_queue, int* current_tick, int queue_max);
+	void sim_update_nets();
 ]]
+local csim = ffi.load("compiled_sim.dll")
 
 Simulation = {}
 
@@ -39,6 +42,7 @@ function Simulation.new(sim)
 	o.num_groupqueue[0] = 0
 	o.num_gatequeue[0] = 0
 	o.current_tick[0] = 0
+	sim_set_data(o.groupqueue, o.num_groupqueue, o.gatequeue, o.num_gatequeue, o.current_tick, queue_max)
 	return o
 end
 
@@ -346,13 +350,14 @@ end
 
 -- Logic Critical
 function Simulation.ticklogic(sim)
-	for i = 0, sim.num_groupqueue[0]-1 do
-		local cnet = sim.groupqueue[i]
-		Group.update_c(cnet, sim.current_tick[0])
-		cnet.in_queue[0] = 0
-		sim.groupqueue[i] = nil
-	end
-	sim.num_groupqueue[0] = 0
+	--for i = 0, sim.num_groupqueue[0]-1 do
+	--	local cnet = sim.groupqueue[i]
+	--	Group.update_c(cnet, sim.current_tick[0])
+	--	cnet.in_queue[0] = 0
+	--	sim.groupqueue[i] = nil
+	--end
+	--sim.num_groupqueue[0] = 0
+	csim.sim_update_nets()
 	
 	if sim.tickqueue[sim.current_tick[0]] ~= nil then
 		for i, gate in pairs(sim.tickqueue[sim.current_tick[0]]) do