0:460h                   Cursor End Scan Line and Start Scan Line

 Length: 2 bytes

    Contains the starting and ending scan lines to determine the size of
    the blinking hardware cursor. The ending scan line is stored first,
    followed by the starting scan line.

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       Notes:         See INT 10h, Service 03h, for obtaining the cursor
                      start and end scan lines.

                      See INT 10h, Service 01h, for setting the cursor
                      start and end scan lines.