Category: DOS-based task switchers/multitaskers

INT 21 - DoubleDOS - TURN ON TASK SWITCHING

	AH = FBh
Return: task switching turned on
SeeAlso: AH=EBh"DoubleDOS",AH=F9h"DoubleDOS",AH=FAh"DoubleDOS"
SeeAlso: INT FB"DoubleDOS"