Path: utzoo!attcan!uunet!cbmvax!valentin From: valentin@cbmvax.commodore.com (Valentin Pepelea) Newsgroups: comp.sys.amiga Subject: Re: MC68040 compatibility (was: A3000's Shipping!) Message-ID: <13102@cbmvax.commodore.com> Date: 6 Jul 90 23:51:31 GMT References: <13058@cbmvax.commodore.com> Reply-To: valentin@cbmvax (Valentin Pepelea) Organization: Commodore, West Chester, PA Lines: 19 In article Chuck.Phillips@FtCollins.NCR.COM (Chuck.Phillips) writes: > >Here, here! Question: Have guidelines for MC68040 compatibility been >published? The MC68040 carries some additional restrictions compared to >the 020 and 030; a few instructions have been dropped and there are new >restrictions on instruction (data?) alignment. The same restrictions apply to 68040-friendly code as to 68030-friendly code. Useage of self-modifying code is going to fail more frequently on the '040 since it has a much larger internal cache. Otherwise, there are no new gotchas. Valentin -- The Goddess of democracy? "The tyrants Name: Valentin Pepelea may distroy a statue, but they cannot Phone: (215) 431-9327 kill a god." UseNet: cbmvax!valentin@uunet.uu.net - Ancient Chinese Proverb Claimer: I not Commodore spokesman be