Int 62 Fn 0091  u - Fgdriver V3.03 - "fg_sethpage" - Set Hidden Video Pag  [V]

   AX = 0091h
   BX = new hidden page (0000h to 003Fh)

Notes: For FGDRIVER v1.10, this function was "FG_PLAYING" (see AX=0075h);
     "FG_SETHPAGE" was AX=0041h
   The specified page must be a physical page or a virtual page

See Also: AX=0037h,AX=0095h,AX=0098h