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- From: walk@mrcnext.cso.uiuc.edu (Todd Walk)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: Cyrix "486" cpu really compatible ?
- Message-ID: <By6nvq.Hz5@news.cso.uiuc.edu>
- Date: 23 Nov 92 19:09:24 GMT
- References: <1992Nov16.173224.3075@opus40.ix.de> <1992Nov17.012544.9122@reed.edu> <1992Nov18.031830.10170@gremlin.muug.mb.ca>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Lines: 13
-
- charles@gremlin.muug.mb.ca (Charles) writes:
- >Could you elaborate on this? It is my understanding that the 486 only has
- >5-6 more instructions than the 386, most of those dealing with cache
- >manipulation. What would NeXTstep be doing that wouldn't run on this
- >chip? Or at the minimal, require extremely small code changes? (Assuming
- >the Cyrix is 100% 386 compatible of course).
-
- Nextstep needs the byte order switch instruction. The 386 can do this
- with multiple instructions, but it would be too slow to be useful.
-
-
- Todd Walk
- walk@mrcnext.cso.uiuc.edu
-