7 Jan
2010
7 Jan
'10
1:18 a.m.
Flipping through all sorts of thing Amiga, I was wondering how
backwards-compatible the PPC varieties are.
--
David Griffith
dgriffi at cs.csubak.edu
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7 Jan
7 Jan
2 a.m.
On Wed, Jan 6, 2010 at 6:18 PM, David Griffith <dgriffi at cs.csubak.edu> wrote:
Flipping through all sorts of thing Amiga, I was wondering how
backwards-compatible the PPC varieties are.
The amigas that run powerpc software have powerpc processors. Toward
their end, there were a few processor upgrade boards that contained
both 68060 and powerpc processors. 603e I think. ppc and 68k aren't
compatible.
brian
2:35 a.m.
On Thu, Jan 7, 2010 at 12:18 AM, David Griffith <dgriffi at cs.csubak.edu> wrote:
Flipping through all sorts of thing Amiga, I was wondering how
backwards-compatible the PPC varieties are.
AIUI - alas, not played with any of them myself - it depends more on
the OS than on the H/W.
All the 3 main PPC Amiga OSs (AmigaOS 4.x, MorphOS and the
I-believe-still-somewhat-experimental port of AROS) include some form
of 68K emulation. I think AROS' is still the most primitive, being
more or less an embedded copy of UAE. The others have 68K interpreters
and thunk API calls through to the native OS, in more or less the same
fashion as a classic PowerMac running 68K code under System 7/8/9.
--
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