INT 79 R - AutoCAD Device Interface - DIGITIZER - INITIALIZE                    
	AX = 0001h
	BX = interface level (0001h)
Return: AX = status (0000h initialization failed, 0001h init successful)
	BX = digitizer type
	    0000h relative pointing device (mouse, etc.)
	    0001h digitizing tablet
	CX = digitizer dataflow type
	    0000h continuous
	    0001h pauses between packets
SeeAlso: AX=0002h,AX=0003h,INT 7A/AX=0001h"AutoCAD"