INT 2D - FREEVER - DISABLE TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination.
	AL = 15h
	AH = AMISAlternate Multiplex Interrupt Specification multiplex number for FREEVER
Return: AL = FFh if successful
SeeAlso: INT 2D/AL=12h"FREEVER",INT 2D/AL=14h"FREEVER",INT 2D/AL=16h"FREEVER"