X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 14 - ibm/yale ebios serial i/o

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INT 14 - IBM/Yale EBIOS SERIAL I/O - READ CHARACTER, NO WAIT
        AH = FCh
        DX = port (00h-03h)
Return: AH = RS232 status bits (see AH=00h)
        AL = character
SeeAlso: AH=02h,AH=0Ch

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