Int 79 Fn 0001  R - Autocad Device Interface - Digitizer - Initialize      [A]

   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

See Also: AX=0002h,AX=0003h,INT 7A/AX=0001h"AutoCAD"