Int 10h, 0Ah            Write Character at Cursor

    Displays a specified character a specified number of times.

        Entry   AH = 0Ah
                AL = ASCII value of character
                BH = Display page number (text mode only)
                CX = Number of times to write character

        Return  Nothing

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    Display begins at the current cursor location on the specified
    display page, but the cursor itself is not moved.