INT 15 - MultiDOS Plus - SUSPEND TASK FOR INTERVAL                              
	AH = 03h
	DX = number of time slices to remain suspended
Return: after specified interval has elapsed
Note:	when priority-based scheduling is in use, high-priority tasks should
	  use this function to yield the processor
SeeAlso: AH=00h"MultiDOS",AH=0Ah"MultiDOS"