+\r
+ // turn off num-lock via BIOS\r
+ lock_key = MK_FP(0x040, 0x017); // Pointing to the address of the bios shift state keys\r
+ *lock_key&=(~(16 | 32 | 64)); // toggle off the locks by changing the values of the 4th, 5th, and 6th bits of the address byte of 0040:0017\r
+ OldKeyVect(); // call BIOS keyhandler to change keyboard lights\r