Int 62 Fn 009B  u - Fgdriver V4.02 - "fg_rect" - Draw Unfilled Rectangle   [V]

   AX = 009Bh
   BX = left edge column
   CX = right edge column
   DX = top edge row
   SI = bottom edge row

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

See Also: AX=0006h,AX=0012h,AX=0023h,AX=003Ch