From owner-freebsd-hackers Wed Sep 15 22:50:20 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from pop3-3.enteract.com (pop3-3.enteract.com [207.229.143.32]) by hub.freebsd.org (Postfix) with SMTP id D84801589C for ; Wed, 15 Sep 1999 22:48:13 -0700 (PDT) (envelope-from dscheidt@enteract.com) Received: (qmail 36904 invoked from network); 16 Sep 1999 05:48:12 -0000 Received: from shell-1.enteract.com (dscheidt@207.229.143.40) by pop3-3.enteract.com with SMTP; 16 Sep 1999 05:48:12 -0000 Date: Thu, 16 Sep 1999 00:48:12 -0500 (CDT) From: David Scheidt To: Warner Losh Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Bug in dd seeking beyond 2G In-Reply-To: <199909160206.UAA17542@harmony.village.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 15 Sep 1999, Warner Losh wrote: > In message <199909151928.VAA26499@dorifer.heim3.tu-clausthal.de> Oliver Fromme writes: > : It only works on two's-complement machines, though, but I'm not > : aware of any FreeBSD port to an architecture that doesn't use > : two's-complement numbers... > > I'm not aware of any one's-complement machine that was manufacture > after about 1980... Not even NetBSD has any one's-complement machines > that it supports :-) Aren't the the Bull GCOS 7 machines ones complement? Or the Unisys 1100/2200 36 bit machines? I do know that some CDC 6600 clones were put together in the '80s, and they would have been ones complement. Software is expensive, building machines out of FPGAs isn't... Negative zero isn't dead yet! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message