Int 33 Fn 0007  - MS Mouse V1.0+ - Define Horizontal Cursor Range          [M]

   AX = 0007h
   CX = minimum column
   DX = maximum column

Note:  in text modes, the minimum and maximum columns are truncated to the
     next lower multiple of the cell size, typically 8x8 pixels

See Also: AX=0008h,AX=0010h,AX=0031h,INT 62/AX=0080h