Fixed an "overflow"

demo.lua

@@ -2,6 +2,7 @@ local cairo = require'cairo' --used to open the file
 local bitmap = require'bitmap' --used to read its content
 
 function int_hex(nb)
+  if nb > 255 then print("uh", nb) end
   if nb < 16 then add = "0"
   else add = "" end
   return [[\x]]..add..string.format("%x", nb)
@@ -10,8 +11,8 @@ end
 file = io.open("output.py", "w")
 first = true
 pallet = {} --will store colors
-pallet_last = 1
-mem_pallet_last = 1
+pallet_last = 0
+mem_pallet_last = 0
 
 file:write([[from draw import *
 ]])