On 6/5/06, Emmanuel Dreyfus <manu@netbsd.org> wrote:
> Magnus Eriksson <magetoo@fastmail.fm> wrote:
>
> >    If that's not possible, the parallel port should be relatively easy to
> > use too.  I have no idea how easy/hard that is to use, software-wise,
> > though.
>
> I gave it a try, but writing to lpt0 does not produce interesting
> results. Someone has a pointer to some doc on the subject? A quick
> search with google gives me examples in x86 real mode.
>

I fooled around with i386_get_ioperm -stuff a long time ago. I got lpt0
to blink an array of leds, which was nice.

Here's a random example I found by googling a bit:
http://mail-index.netbsd.org/port-i386/1999/11/26/0010.html

IIRC there was a document about this on www.netbsd.org back then but
I might be wrong.

-- 
jht