Int 2F Fn 1684  - Ms Windows - Azt16 - Get Api Entry Point                 [W]

   AX = 1684h
   BX = 045Fh (virtual device ID for "azt16" device) (see #2329)
   ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2373)
         0000h:0000h if the VxD does not support API in current mode

See Also: AX=1684h/BX=3110h,AX=1684h"DEVICE API",INT 20"Windows"

(Table 2373)
Call azt16.VXD entry point with:
   DX = function number
       0000h get azt16 version

       Return: CF clear
           AX = version (AH=major, AL=minor)
       0001h ???
       AX = subfunction
           0000h ???

           Return:
           0001h ???
           ECX = ???
           else error

       Return: CF clear if successful
               ???
           CF set on error
               AX = error code
       0002h ???
       AX = ???
       BX = ???

       Return: ???
       0003h ???
       AX = ???
       BX = ???

       Return: ???
       0004h ???
       BX = ???
       CX = ???

       Return: CF clear if successful
                AX = 0001h
           CF set on error
                AX = 0000h
       0005h ???
       BX = ???
       CX = ???

       Return: CF clear if successful
                AX = 0001h
           CF set on error
                AX = 0000h
       0006h ???
       BX = ???
       ECX = ???

       Return: CF clear if succesful
               AX = ???
           CF set on error
               AX = FFFFh
       0100h get azt16 version

       Return: CF clear
           AX = version (AH=major, AL=minor)
       0101h
       AX = ???
       ECX = ???

       Return: CF clear if successful
               AX = 0001h
           CF set on error
               AX = 0000h
       0102h ???
       AX = ???

       Return: CF clear if successful
           CF set on error
               AX = reason??? (0/1/2)
       0103h ???
       AX = ???

       Return: CF clear if successful
               AX = 0000h
           CF set on error
               AX = reason??? (1/3)
       0200h ???
       EDX = ???
       ???

       Return: CF clear if successful
               DX:AX = ???
           CF set on error
               DX:AX = 0000h:0000h
       0201h ???
       ???

       Return: CF clear
           AX= 0000h
       else

       Return: CF set

See Also: #2372,#2392