Re: Illegal op ff e8 2c in newer dosemu

Thanks everyone for the advice.  Sounds like using a 32-bit host OS
fixes this class of problems.

mh

On Wed, May 6, 2015 at 6:05 PM, Paul Crawford <[email protected]> wrote:
> There is a difference in 64-bit vs 32-bit, and it is more than just the
> problems of no vm86() call so hardware interrupts are not properly handled
> (aside - is that fixed now/soon?).
>
> I found I could use the MS C6.0 compiler and the 'PWB' (programmers
> workbench) for compiling the DOSD software OK under 32-bit Linux, but not
> under 64-bit as the dosemu instance would simple exit, as if exitemu was
> called (but it wasn’t). While I know MS had a lot of dubious and
> undocumented calls, the difference I saw was definitely a memory issue, and
> maybe related to the various XMS/EMS extenders that were needed at one time,
> when 640k was no longer enough for everyone...
>
> Regaeds,
> Paul
> --
>  Dr. Paul S. Crawford
>  c/o Satellite Station
>  University of Dundee
>  Small's Wynd, Dundee, DD1 4HN
>  Email: [email protected]
>  The University of Dundee is a Scottish Registered Charity, No. SC015096
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