Re: user space i/o to parallel port questions

[Bug Hunter]

    Yes.  That was a made up excerpt, and I blew the address.

    I'm actually using LPT1 at addres 0x278 for the base, controlling a
luminescent display.

    It turned out that 3 is the right value to give to the iopl function, not
2.

bug

Marin D wrote:

> On Mon, 10 Aug 1998, Bug Hunter wrote:
>
> ->
> ->main()
> ->{
> ->
> ->    iopl(2);
> ->
> ->   outb(0,0x3bd);
>
> It should be 0x3bc, port 0x3bd is the status port (read-only).
> You may wich to take a look at the IO-Port-programming mini howto
>
> Regards,
>
>         Marin
>
>        "Knowledge is not a crime. Some of its applications are..."
>
>                                                          - Unknown hacker