Int 2F Fn 12FF  - Freedos - Fdak-ddt - Uninstall                           [O]

   AX = 12FFh
   BL = 07h

Return: ES = segment of FDAK memory block

Note:  the caller must free the memory block returned in ES
     (via INT 21/AH=49h)

See Also: AX=12FFh/BL=00h