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Mail Archives: djgpp-workers/1999/08/31/06:17:23

Date: Tue, 31 Aug 1999 09:52:18 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
cc: dj AT delorie DOT com, djgpp-workers AT delorie DOT com, terra AT diku DOT dk
Subject: Re: FWAIT emulation in emu387.cc
In-Reply-To: <9908310349.AA12479@clio.rice.edu>
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On Mon, 30 Aug 1999, Charles Sandmann wrote:

> I don't know ... there are some bugs in "disabling" the FPU with
> CWSDPMI on a machine with the FPU - it seems some instructions get
> executed anyway.

I tested the code with QDPMI, and the result was the same: FWAIT
doesn't get into the emulator.  So it doesn't seem a CWSDPMI issue.

> In any case, I found you
> need a real FPU-less machine to test emulation...

I don't have such a beast.  Anybody?

> I think it was commented when I did the initial V2.0 beta port in 
> 1994 ... 

Well, does it seem right to you to uncomment it?

> I could probably find a copy to find out if it was important...

If you think you might find an explanation to this there, then please
look.  Otherwise, I don't think I can justify the waste of your time.

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