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X-Hacker.org- Programmers Reference 0.02b - <b>int 14h, 01h (1) send one character</b> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide] 
INT 14h,  01h (1)        Send One Character

    Sends one character to the specified serial port.

       On entry:      AH         01h
                      AL         Character
                      DX         Serial port number (0 - COM1, 1 - COM2, etc.)

       Returns:       AH         Line status (see Service 03h)

  --------------------------------------------------------------------------

    If an error occurs, bit 7 of AH will be set. SInce bit 7 is used as a
    general error flag, this service is unable to identify a time-out
    error. For complete diagnostic information, use Service 03h (Get
    serial port status).
See Also: INT 14h, 02h INT 14h, 03h 

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