Article View: comp.sys.mac.apps
Article #13002Re: Apple, Intel & Endianness
From: Per Rønne
Date: Tue, 14 Jun 2005 15:49
Date: Tue, 14 Jun 2005 15:49
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Bjorn Olsson d.� <bjorn@justingenstans.com> wrote:
> In article <1gy5it6.4ogqp01vfz4kpN%spam@husumtoften.invalid>,
> spam@husumtoften.invalid (Per R�nne) wrote:
> > How much will Apple have to change the operating system in order to let
> > MacOS X and MacOS Classic {68K emulation including} run on an Intel
> > processor?
> > Remember that MacOS has always run in big-endian mode and that Intel has
> > always run in little-endian mode. MacOS would have to emulate
> > big-endianness for old programs just as VirtualPC for G5 has to emulate
> > litte-endianness on the G5 {earlier PowerPCs could run both ways}.
> Per, it is at this point not a matter of having to change anything, they
> already have. Every version of OS X has been developed in parallel for
> Intel. Classic will apparently not be supported any longer.
Well, they'll have to make sure that the existing programs big-endian
programs will run on MacIntel. And I don't think it will be that
difficult to implement Classic as a program - after all, we can run
Commodore 64 and CP/M-80 on our MacOS X computers.
--
Per Erik R�nne
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Newsgroups: comp.sys.mac.apps,dk.edb.mac
Subject: Re: Apple, Intel & Endianness
From: spam@husumtoften.invalid (Per Rønne)
Reply-To: spam@husumtoften.dk (Per Rønne)
Date: Tue, 14 Jun 2005 17:49:50 +0200
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