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X-Hacker.org- Programmers Reference 0.02b - <b>int 0ch (12) </b>(irq 4)<b> comunications (com 1, mainly)</b> http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
INT 0Ch (12) (IRQ 4)     Comunications (COM 1, Mainly)

        Called by hardware 8259-1, IRQ 4

     Normal use:

                RS-232 Serial Handler (COM 1)

     Also used for:

                SDLC,                   BSC,

                Voice communications adapter

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