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Re: Apple Drops Backward Compatibility for Next MacOS
- Subject: Re: Apple Drops Backward Compatibility for Next MacOS
- From: ralphp@gcstation.net (Ralph Wade Phillips)
- Date: 1996/10/29
- Newsgroups: comp.sys.be, comp.sys.mac.advocacy, comp.sys.apple2
- Organization: Phillips Enterprises
- References: <5344fe$36v@masters0.news.internex.net> <elisha-0910962208490001@news.dot.net.au> <325C52F2.62CD@sybase.com> <53mcb6$87f@charm.magnus.acs.ohio-state.edu> <53tdik$l77@europa.frii.com> <54o8mq$1pm8@uni.library.ucla.edu> <54p0bq$678@opal.southwind.net> <54u17v$1i9i@uni.library.ucla.edu> <3275d8f5.865949@news.wantree.com.au>
Hi, Hans!
In article <3275d8f5.865949@news.wantree.com.au>, hansie@wantree.com.au
(Hans Klarenbeek) wrote:
> On 26 Oct 1996 21:53:03 GMT, pubpc1@library.ucla.edu wrote:
>
> >Randy, the Pentiums are based on 8-bit processors too, if you think about
> >it that way! Have you ever studied the architecture of the 8088/8086?
>
> The instruction are based on the 8088.....
.... whose instructions are based on the 8080, whose instructions
are based on the 8008, whose instructions are based on the 4004, a 4-bit
processor!
>
>
> >They use a memory segmentation scheme with 64K banks. This means that they
> >were originally based on an 8-bit processor (the Intel 8080, I believe).
>
> Dude that did originate from the 8088 but was perpetuated by DOS not
> the CPU!
>
Well, even today, the Pentium wakes up in 8086 mode ...
RwP
--
Ralph Wade Phillips, CET #LA-82
ralphp@gcstation.net