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- Path: soap.news.pipex.net!pipex!usenet
- From: m.hendry@dial.pipex.com (Mathew Hendry)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Will the PPC split up the Amiga community?
- Date: Mon, 18 Mar 96 15:02:04
- Organization: Private node.
- Distribution: world
- Message-ID: <19960318.3EE518.D441@an112.du.pipex.com>
- References: <4i01aq$r3g@sunsystem5.informatik.tu-muenchen.de> <Do3nH5.11K@cix.compulink.co.uk> <314D0F1D.3BEC@sapiens.com>
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-
- Avi Lev (avil@sapiens.com) wrote:
- : Jolyon Ralph wrote:
- : >
- : > > you know how it will work on Ami ? i.e. mix PPC code & 68k code ?
- : > > for example what about emulated 68k code doing lib calls of
- : > > a PPC-code lib ?
- : >
- : > No. And I'd like to know that ASAP....
- : >
- : > Jolyon
- :
- : it will NEVER work properly since the register mappings are completely different between
- : the 2 processors, and if functions in libraries, written in PPC native code, return the
- : result in some PPC register, it will not have to be in d0 under 68k emulation when it gets
- : back to the calling routine running under emulation.
-
- There is nothing to prevent the emulator providing a translation layer between
- emulated 68k programs and PPC versions of the OS functions they use. In fact,
- it is inevitable - how else are 68k programs to be provided with access to
- native hardware other than through such a layer?
-
- -- Mat.
-