From owner-freebsd-hackers Wed Dec 5 0:10:12 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from falcon.prod.itd.earthlink.net (falcon.mail.pas.earthlink.net [207.217.120.74]) by hub.freebsd.org (Postfix) with ESMTP id BE7CA37B416 for ; Wed, 5 Dec 2001 00:10:08 -0800 (PST) Received: from pool0055.cvx40-bradley.dialup.earthlink.net ([216.244.42.55] helo=mindspring.com) by falcon.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 16BX7v-0000J6-00; Wed, 05 Dec 2001 00:10:00 -0800 Message-ID: <3C0DD660.65AFF0EE@mindspring.com> Date: Wed, 05 Dec 2001 00:10:08 -0800 From: Terry Lambert X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Fabio Miranda Cc: hackers@freebsd.org Subject: Re: offtopic: assembly References: <20011205045240.75224.qmail@web11504.mail.yahoo.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Fabio Miranda wrote: > I want to understand Why each byte (8 bit of data and > 1 bit of parity) has one bit of parity? To permit the hardware to catch single bit errors. ECC is a better version of this, which permits the hardware to correct single bit errors, and catch multiple bit errors. > what makes the difference from 'par' to 'no par'? A byte had even partiy if there are an even number of bits set, and odd paroty if an odd number of bits are set. > What part of > the program do the requested byte belongs (Code, data, > stack)? It doesn't matter. It all gets checked. > p.s. Anyone know a site like linux's > www.linuxassembly.org? > I want to know the freebsd developer's resources on > web ( i am not lucky to buy books online and my > bookstores arent unix-focused:)), i want to understand > freebsd internals! There have been a number of programs in assembly published in -hacers and -current, as well as -alpha (if you are in need of an Aplha assembly language "Hello World!" program). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message