Int 16 Fn 14  - Dos/v - Shift Status Display Control                       [J]

   AH = 14h
   AL = function
       00h enable display
       01h disable display
       02h get display state

       Return: AL = current state (00h enabled, 01h disabled)
Desc:  control the screen-bottom shift status row(s) for the Japanese
     Front-End Processor

See Also: AH=13h,INT 10/AH=19h,INT 10/AH=1Dh