-12. Memory management (EMS + XMS)\r
-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
-14. masking layer!\r
+==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
+14. masking layer! (i think this is not easy to accomplish!)\r