Article View: comp.arch
Article #1799Re: CISC Microprocessors
From: Stephen J. Friedl
Date: Thu, 10 Aug 1989 05:50
Date: Thu, 10 Aug 1989 05:50
19 lines
1382 bytes
1382 bytes
In article <427@ctycal.UUCP>, ingoldsb@ctycal.COM (Terry Ingoldsby) writes:
> Thanks for all the info about the many different microprocessors.
> I had suspected that the 32000 was microcoded (elegant but slow)
> and the 6502 was hardwired (primitive but fast). What about the
> 6809? It seems to have been a very nice chip (for an 8 bit) but
> never went very fast. Is this a good indication it was microcoded?
_Byte_ magazine ran a three-part article on the design of the 6809,
and they say that it used random logic. Written by Terry Ritter and
Joel Boney of Moto, it appeared in Jan/Feb/Mar 1979, and it is very
good reading.
Steve
--
Stephen J. Friedl / V-Systems, Inc. / Santa Ana, CA / +1 714 545 6442
3B2-kind-of-guy / {attmail uunet}!vsi!{bang!}friedl / friedl@vsi.com
"My new bestseller, _Teach_Yourself_to_Read_, is now available everywhere" -me
Technical Details
Message-ID:
<1163@vsi.COM>Path:
arc1-ca.pugleaf.net!utzoo!attcan!utgpu!watmath!att!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!ginosko!uunet!vsi!friedlReferences:
<405@ctycal.UUCP> <3098@scolex.sco.COM> <486@lexicon.com> <427@ctycal.UUCP>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!watmath!att!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!ginosko!uunet!vsi!friedl From: friedl@vsi.COM (Stephen J. Friedl) Newsgroups: comp.arch Subject: Re: CISC Microprocessors Summary: 6809 was random logic Keywords: Microcode vs hardwired? Message-ID: <1163@vsi.COM> Date: 10 Aug 89 05:50:15 GMT References: <405@ctycal.UUCP> <3098@scolex.sco.COM> <486@lexicon.com> <427@ctycal.UUCP> Organization: V-Systems, Inc. -- Santa Ana, CA Lines: 19