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

   AX = 1684h
   BX = 310Eh (virtual device ID for WPS device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2390)
         0000h:0000h if the VxD does not support an API

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

(Table 2390)
Call WPS protected-mode entry point with:
   DX = function
       0000h get WPS.386 version

       Return: CF clear
           AX = version (AH = major, AL = minor)
       0001h get number of installed VxDs

       Return: CF clear
           AX = number of installed VxDs
       0002h get VxD characteristics
       AX = number of VxD
       ES:BX -> buffer for VxD characteristics structure (see #2391)

       Return: CF clear
           ES:BX buffer filled

See Also: #2389,#2393

Format of WPS.386 VxD characteristics structure:
Offset Size    Description (Table 2391)
 00h   WORD    VxD ID number
 02h   BYTE    VxD minor version
 03h   BYTE    VxD major version
 04h   BYTE    DDK minor version
 05h   BYTE    DDK major version
 06h   WORD    flags
       bit 0: V86 API supported
       bit 1: PM API supported
       bit 2: services supported
 08h   DWORD   start order
 0Ch  9 BYTEs  ASCIZ VxD name

See Also: #2390