Path: utzoo!attcan!uunet!cs.utexas.edu!sun-barr!newstop!sun!decay!dks From: dks%decay@Sun.COM (dk smith... in full-dispersion mode) Newsgroups: comp.arch Subject: Re: CISC Microprocessors Keywords: 6502 Message-ID: <118522@sun.Eng.Sun.COM> Date: 29 Jul 89 05:02:58 GMT References: <405@ctycal.UUCP> <3098@scolex.sco.COM> <486@lexicon.com> Sender: news@sun.Eng.Sun.COM Reply-To: dks@sun.UUCP (dk smith... in full-dispersion mode) Followup-To: dks@sun.com Organization: Sun Microsystems, Mountain View Lines: 27 In article <486@lexicon.com> rk@lexicon.com (Bob Kukura) writes: >Are you sure the 6502 isn't microcoded? I built a ttl 6502 (6507 >actually) emulator as a digital design lab project in college, and it [....] > I've since been interested in knowing if this is how >the real chip is implemented. >-- >-Bob Kukura smart: rk@lexicon.com > dumb: {husc6,linus,harvard,bbn}!spdcc!lexicon!rk > phone: (617) 891-6790 Check out a book by the author whose last name is Anceau. The author's first name and title of the book escape me now. The book discusses different implementations of the 6502 (which were actually fabricated) in an attempt to determine the tradeoffs between performance and die size for fully hardwired designs to fully micocoded designs (and everything in between!). I think you'll find this interesting, Bob. dk ------------------------------------------------------------