-/* todo: why don't higher values (64, 1024) work here? */
-#define FONT_INTERNAL_SIZE 1
+/* Notice: we can only put chars in the range -1639,1638 (-32768/20,32768/20).
+ So if we set this value to high, the char coordinates will overflow.
+ If we set it to low, however, the char positions will be inaccurate */
+#define FONT_INTERNAL_SIZE 4