Date: Thu, 13 Aug 1998 07:48:40 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Michel Gallant <mgallant AT grassroots DOT ns DOT ca>
cc: djgpp AT delorie DOT com
Subject: Re: Detecting interrupt on printer port 
In-Reply-To: <Pine.LNX.3.91.980812150831.361A-100000@commnet.grassroots.ns.ca>
Message-ID: <Pine.SUN.3.91.980813074619.2328C-100000@is>
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On Wed, 12 Aug 1998, Michel Gallant wrote:

> My port is in ecp/epp mode right now.  Would that have 
> anything to do with it?  Should it generate an interrupt in this mode?

I don't know (anybody?).  You need to find some docs on the ecc/epp mode 
and look there.  Try searching the Interrupt List for `ecc' or `epp'.

> Also I will try writing a char to the port first.  Can I just use 
> outportb() for maximum optimization or do I need to use one of the other 
> I/O functions?

outportb should be fine.  This would be the first thing to try, even 
before you plunge into motherboard- and ecp-related issues.