From owner-cvs-all@FreeBSD.ORG Sat Dec 3 16:37:33 2005 Return-Path: X-Original-To: cvs-all@FreeBSD.ORG Delivered-To: cvs-all@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E059C16A420; Sat, 3 Dec 2005 16:37:33 +0000 (GMT) (envelope-from wb@freebie.xs4all.nl) Received: from smtp-vbr17.xs4all.nl (smtp-vbr17.xs4all.nl [194.109.24.37]) by mx1.FreeBSD.org (Postfix) with ESMTP id BFB9943D69; Sat, 3 Dec 2005 16:37:17 +0000 (GMT) (envelope-from wb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtp-vbr17.xs4all.nl (8.13.3/8.13.3) with ESMTP id jB3GbEo2058169; Sat, 3 Dec 2005 17:37:14 +0100 (CET) (envelope-from wb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.13.4/8.13.3) with ESMTP id jB3GbEpo007541; Sat, 3 Dec 2005 17:37:14 +0100 (CET) (envelope-from wb@freebie.xs4all.nl) Received: (from wb@localhost) by freebie.xs4all.nl (8.13.4/8.13.1/Submit) id jB3GbEo6007540; Sat, 3 Dec 2005 17:37:14 +0100 (CET) (envelope-from wb) Date: Sat, 3 Dec 2005 17:37:14 +0100 From: Wilko Bulte To: ticso@cicely.de Message-ID: <20051203163714.GA7525@freebie.xs4all.nl> References: <200512022236.jB2MaEI8090052@repoman.freebsd.org> <20051202233249.GA1299@freebie.xs4all.nl> <20051202234929.GI44012@cicely12.cicely.de> <20051203060516.GM32006@cirb503493.alcatel.com.au> <20051203144824.GB1040@cicely12.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051203144824.GB1040@cicely12.cicely.de> X-OS: FreeBSD 6.0-STABLE User-Agent: Mutt/1.5.9i X-Virus-Scanned: by XS4ALL Virus Scanner Cc: Peter Jeremy , src-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-src@FreeBSD.ORG Subject: Re: cvs commit: src/sys/dev/ic via6522reg.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Dec 2005 16:37:34 -0000 On Sat, Dec 03, 2005 at 03:48:25PM +0100, Bernd Walter wrote.. > On Sat, Dec 03, 2005 at 05:05:16PM +1100, Peter Jeremy wrote: > > On Sat, 2005-Dec-03 00:49:30 +0100, Bernd Walter wrote: > > >Mmmm - very interesting stuff - I used the 6522 as well as the 6821 > > >on many self build 6502 and 68k based systems. > > ... > > >But honestly - I wasn't aware that a modern computer system still uses > > >them. > > > > You means things like nec765, i8237, NS8250, i8259, MC146818? One of > > No - I especially mean the 6522. > I grow up with C64 and C128 plus my first self build computers used > them, so there's a special relation. > > > my work colleagues was surprised to discover that his brand new > > computer still uses peripheral chips (embedded in ASICs) that were > > designed before he was born... Isn't backward compatibility a > > wonderful thing :-) > > Only sometimes, we all know the bad sides with e.g. 8259 in modern > systems. > > > At least back then the IC vendors would publish programming details... > > And by moving them to ASICs also add more bugs... > I'm always surprised if someone manages to write a nec765 driver that > runs on all chips. > > PS: to complete your list you'll have to add the 6845, 8254 and 8042. You forgot the 6850 ACIA. -- Wilko Bulte wilko@FreeBSD.org