Int 62 Fn 005C  u - Fgdriver V4.02 - "fg_imagesiz" - Determine Image Stor  [V]

   AX = 005Ch
   BX = image width in pixels
   CX = image height in pixels

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

Return: DX:AX = size in bytes of mode-specific bitmap for current video mode

See Also: AX=003Ch,AX=0098h