Int 20  P - Microsoft Windows - Afvxd - Vxd Services                       [W]

   VxD = 0495h

Note:  the desired VxD and service number are identified by the data
     immediately following the INT 20 instruction, as in:
       INT 20h
       DW  service number
       DW  VxD identifier

See Also: INT 2F/AX=1684h"DEVICE API",INT 30"Windows",#0961,#1032

(Table 1021)
Values for AFVXD (VxD ID 0495h) service number:
 00h   get version

   Return: CF clear
       AX = version (AH = high, AL = low)
 01h   ???
   EAX -> ???
   EBX -> ???
   ECX = ???

   Return: ???
 02h   ???
   EAX -> ???

   Return: ???

See Also: #1020,#1022