INT 62 u - FGDRIVER v3.03 - "FG_BOX" - DRAW UNFILLED RECTANGLE
        AX = 0006h
        BX = left column
        CX = right column
        DX = top row
        SI = bottom row
Notes:  For FGDRIVER v1.10, this function was "FG_RESET" (see AX=0081h);
          "FG_BOX" was AX=00A2h
        The rectangle is drawn in screen space, respecting the clipping region,
          with edges of the width specified with "FG_BOXDEPTH" (see AX=0007h)
          (default = 1 is set by "FG_SETMODE")
        This function has no effect in text modes
SeeAlso: AX=0007h,AX=0008h,AX=000Ch,AX=0014h,AX=001Bh,AX=0024h,AX=0076h

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