Path: utzoo!mnetor!uunet!husc6!think!ames!ncar!oddjob!sphinx!sas1
From: sas1@sphinx.uchicago.edu (Stuart Schmukler)
Newsgroups: comp.unix.aux
Subject: Re: A/UX MacOS co-existence
Message-ID: <4036@sphinx.uchicago.edu>
Date: 19 Apr 88 11:29:00 GMT
References: <232@voysys.UUCP> <1711@desint.UUCP> <8075@apple.Apple.Com> <8398@oberon.USC.EDU> <347@caldwr.caldwr.gov> <1451@pt.cs.cmu.edu>
Reply-To: sas1@sphinx.uchicago.edu.UUCP (Stuart Schmukler)
Organization: U Chicago Computation Center
Lines: 17
Keywords: Macintosh A/UX HFS

In article <1451@pt.cs.cmu.edu> ralphw@IUS3.IUS.CS.CMU.EDU (Ralph Hyre) writes:

>Ideally, you want to be able to run any 'reasonable' Mac application under
>A/UX.  The good news is - theoretically you can!
>
>The 68020 supports the idea of a virtual machines, you can run any
>number of independent 680X0 programs in user mode, even if they
>want to run in supervisor mode.  The 80386 has virtual 8086es,
>so I imagine that the RoadRunner is somewhat limited in the type of 
>Intel-based software it can run. (ie no '286 or '386 software). 

One of the problems (I think) is that both the MacOS and its programs
are running in supervisor mode.  Some programs take advantage of that
fact even tho Apple has told them that it is not wise to rely on
supervisor mode instructions.

SaS