Int 2F Fn 1684  P - Ms Windows - Vdd - Get Api Entry Point                 [W]

   AX = 1684h
   BX = 000Ah (virtual device ID for VDD device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2336)
         0000h:0000h if the VxD does not support API in current mode

See Also: AX=1684h"DEVICE API",INT 20"Windows"

(Table 2336)
Call VDD entry point with:
   EAX = function
       0000h get VDD version

       Return: CF clear
           AH = major version
           AL = minor version

       Note:   also performs an internal initialization
       0001h ???

       Return: ECX = ???
           ???
       0002h
       0003h
       0004h
       0005h
       0006h
       0007h
       0008h
       0009h
       0080h
       0081h
       0082h
       0083h
       0084h
       0085h
       0086h
       0087h
       0088h
       0089h
       else

       Return: nothing