Int 62 Fn 00B6  u - Fgdriver V4.02 - "fg_setvpage" - Set Visible Video Pa  [V]

   AX = 00B6h
   BX = new video page (0000h to 003Fh)

Notes: the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)
   The specified page must be a physical or virtual page

See Also: AX=0043h,AX=00AEh,AX=00B2h