-==working== 12. Memory management (EMS + XMS)\r
-==working== 13. case switch with keyboard code (when your holding 2 arrow keys and a key is released the keyboard controller dose not read input from the port anymore for some weired reason)\r
+==working on extending== DONE! but needs work! 12. Memory management (EMS + XMS)\r
+done but not tested... 13. case switch with keyboard code (when your holding 2 arrow keys and a key is released the keyboard controller dose not read input from the port anymore for some weired reason)\r