X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 14 - x00 fossil

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INT 14 - X00 FOSSIL - DESTRUCTIVE READ WITH NO WAIT
        AH = 20h
        DX = port number
Return: AH = 00h if character was available
            AL = next character (removed from receive buffer)
        AX = FFFFh if no character available
SeeAlso: AH=0Ch

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