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- Path: news.helsinki.fi!not-for-mail
- From: avo_jth@cc.Helsinki.FI (Jussi T Hagman)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: UNIX running AmigaOS?
- Date: 8 Feb 1996 13:33:49 GMT
- Organization: University of Helsinki
- Distribution: inet
- Message-ID: <4fcu3t$6sa@oravannahka.Helsinki.FI>
- References: <4dompv$s4q@newsstand.cit.cornell.edu> <gj489-2201961527520001@199.17.138.42>
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-
- Accolyte (accolyte@wr.com.au) wrote:
- :
- : >>It could be done. It is just difficult, slow and pointless. Besides the fac
- : >>that no one would want to for those reasons. An example of this kind of
- : >>emulator would be the DOS entrance under Windows. Hardware calls are trappe
- : >>Windows routines. Not fast, not pretty (and not even 100% in Win 3.1), but
- : >>do-able...
- :
- : >>>There is IMHO no way of coexistance of AmigaOS and Unix since there concep
- : >>>are to different. AmigaOS is the faster OS, but Unix is safer. So live wit
- :
- : >>Pretty much my conclusion, although the "impossible" label is untrue.
- :
- :
- : > Yeah, it's just a virtual machine of sorts.. Emulating hardware
- : > through software.. Even the 680x0 instructions would have to be
- : > emulated.. That would fall under the category of "pretty slow" but
- : > once you start emulating the other processors, it would degrade to
- : > "very slow" and then to all the facets of the hardware, it'd be
- : > "unbearably slow" (though I'd be interested to see it on a DEC
- : > Alpha)..
- :
- : > Emulating the physical world with software is a very intrigueing
- : > proposition, but to make a faithful replication of hardware through
- : > software would be a serious undertaking, to say the least. (Look at
- : > VM)
- :
- : Wouldn't emulating the copper be exceedingly difficult, even impossible
- : given their hardware? How could you emulate a screen in say, superhires
- : interlace for the top 20 lines, lores dual-playfield for the next 200
- : lines, and ham8 for the last 30 lines?
- :
- Could this be somekind of AmigaOS emulation, which wouldn't emulate the
- hardware at all but it would just emulate the processor and it would
- provide all libraries in the emulator.
-
- --
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