Category: DESQview/TopView and Quarterdeck programs

INT 15 - TopView - "ENDC" - END CRITICAL REGION

	AX = 101Ch
Return: task-switching enabled
Note:	this API call may be made from within a hardware interrupt handler
SeeAlso: AX=101Bh,AX=DE13h,AX=DE1Bh,INT 2F/AX=1682h,INT 60/DI=0603h