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

   AX = 1684h
   BX = 011Fh (virtual device ID for VFLATD device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2368)
         0000h:0000h if the VxD does not support API in current mode

See Also: AX=1684h"DEVICE API",AX=1684/BX=045Dh,INT 20"Windows"

(Table 2368)
Call VFLATD.VXD entry point with:
   DL = function number
       00h get VFLATD version and ???

       Return: CF clear
           EAX = version (AH = major, AL = minor)
           EBX = ???
           ECX = ???
           EDX = ??? or 00000000h
       01h ???
       AX = ???
       CX = ???

       Return: EAX = ???
           EDX = ???
       02h ???
       ???
       03h ???
       EAX = ???
       EBX = ???
       ESI = ???
       CX = ???
       DH = ???

       Return: EAX = ???
           EDX = ???
           CF clear
       04h ???
       DH = ???
       EAX = ???
       ECX = ???

       Return: CF clear
           EAX = ???
           EDX = ???
       05h ???
       ???

       Note:   locks some linear memory and calls fn 02h
       06h ???
       ???

       Return: CF clear if successful
           CF set on error

       Note:   calls fn 02h and unlocks some linear memory
       else

       Return: CF set

See Also: #2367