fix errors

sim/compile.lua

@@ -2,33 +2,15 @@
 local ffi = FFI or require("ffi")
 Simulation = Simulation or {}
 
-ffi.cdef[[
-	struct Net {
-		int in_queue;
-		int num_out_ports_on;
-		int state;
-		int update_tick;
-		struct Gate* gates_update[0];
-	};
-	struct OutPort {
-		struct Net* net;
-		int state;
-	};
-	struct Gate {
-		int in_queue;
-		struct OutPort out_ports[0];
-	};
-]]
-
 function Simulation.compile_code(sim, text)
 	-- todo: compile some kind of DSL into machine code
 	
 	return code, size
 end
 
-local net_program_code = Simulation.compile_code( [[
-	
-]] )
+--local net_program_code = Simulation.compile_code( [[
+--	
+--]] )
 
 function Simulation.compile(sim)
 	sim.compilation = {