X-Hacker.org- Interrupts & Ports

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        Keyboard input (INT 21h, 01h)

        Read a character from CON (the keyboard). The character is
        echoed to the screen, and checked for Ctrl-Break.

        Entry:
          AH = 01h
        Return:
          AL = character read

See Also: INT 21h, 02h INT 21h, 06h INT 21h, 07h

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