From owner-freebsd-hackers Thu Sep 18 19:10:25 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id TAA29239 for hackers-outgoing; Thu, 18 Sep 1997 19:10:25 -0700 (PDT) Received: from freebie.lemis.com (gregl1.lnk.telstra.net [139.130.136.133]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id TAA29224 for ; Thu, 18 Sep 1997 19:10:21 -0700 (PDT) Received: (from grog@localhost) by freebie.lemis.com (8.8.7/8.8.5) id LAA01868; Fri, 19 Sep 1997 11:40:14 +0930 (CST) Message-ID: <19970919114014.62916@lemis.com> Date: Fri, 19 Sep 1997 11:40:14 +0930 From: Greg Lehey To: Mike Smith Cc: Joerg Wunsch , hackers@FreeBSD.ORG Subject: Re: INB question References: <19970919111434.20114@lemis.com> <199709190206.LAA03892@word.smith.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.81e In-Reply-To: <199709190206.LAA03892@word.smith.net.au>; from Mike Smith on Fri, Sep 19, 1997 at 11:36:03AM +0930 Organisation: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8250 Fax: +61-8-8388-8250 Mobile: +61-41-739-7062 WWW-Home-Page: http://www.lemis.com/~grog Fight-Spam-Now: http://www.cauce.org Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Fri, Sep 19, 1997 at 11:36:03AM +0930, Mike Smith wrote: >>>>> The ISA specification explicitly requires bus pullup resistors. It may >>>>> be unwise to depend on reading 0xff back-to-back with a previous read/ >>>>> write operation, ... >>>> >>>> That's why i wrote ``unspecified, with a tendency to 0xff''. >>> >>> The implication (as an english speaker) from your claim was >>> "unspecified but sometimes 0xff". It would be civilised to qualify the >>> "tendency" under the circumstances. >> >> To be fair, I think that this is the same as "indeterminate, but with >> an above-average likelihood of being 0xff". I don't think this has >> anything to do with the fact that I speak German. > > That's still not good enough. The reality is "0xff under all except > certain specific circumstances". "Tendency" and "likelihood" both > imply indeterminacy which is not present in this case. Any sufficiently advanced technology is indistinguishable from magic. Without going into detail which the original discussion didn't warrant, I believe it's correct to say "tending to be 0xff". This is a statistical statement for those who don't have a logic analyzer probe coming out of their left forefinger. Greg