INT 62 u - FGDRIVER v3.03 - "FG_MOUSELIM" - SPECIFY MOUSE CURSOR LIMITS
        AX = 0062h
        BX = left-most position allowed for mouse cursor
        CX = right-most position allowed
        DX = top-most position allowed
        SI = bottom-most position allowed
Note:   For FGDRIVER v1.10, this function was "FG_IMAGESIZ" (see AX=004Bh);
          "FG_MOUSELIM" was AX=0080h
SeeAlso: AX=0061h,AX=0063h,INT 33/AX=0007h,INT 33/AX=0008h

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