Category: DOS-based task switchers/multitaskers

INT 15 - MultiDOS Plus - MAP IRQ

	AH = 17h
	AL = IRQ to map (01h-0Fh)
	BX = offset of task control block (see #00456) to associate with IRQ
Return: AX = status
	    0000h successful
	    other invalid IRQ
Note:	the EMS map of the specified TCB is associated with the given interrupt
SeeAlso: AH=18h"MultiDOS",AH=19h"MultiDOS"