Int 62 Fn 0050  u - Fgdriver V4.02 - "fg_getvpage" - Get Visible Video Pa  [V]

   AX = 0050h

Return: AX = visible video page (0000h-003Fh)

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=0043h,AX=004Ch,AX=00B6h