Date:	Fri, 16 May 1997 09:40:26 +1200
From:	Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject:	Re: help! FPU emulation worries... (RHIDE?)
To:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Cc:	Robert Hoehne <Robert DOT Hoehne AT Mathematik DOT tu-chemnitz DOT de>, djgpp AT delorie DOT com
Reply-to:	billc AT blackmagic DOT tait DOT co DOT nz
Message-id:	<337B82CA.1A7@blackmagic.tait.co.nz>
Organization:	Tait Electronics NZ
MIME-version:	1.0
References:	<Pine DOT SUN DOT 3 DOT 91 DOT 970515195855 DOT 10056X-100000 AT is>

Eli Zaretskii wrote:
> 
> On Thu, 15 May 1997, Robert Hoehne wrote:
> 
> > Or is there any way for me to simulate the software FPU even when
> > I have a 486 DX?
> 
> AFAIK, there is no way to do that.

I'm not certain, but I thing that setting the EM bit in cr0 has the same
effect on a 486 as a 386, causeing fp code to generate exceptions.  The
problem then becomes setting this bit when your code is in ring 3.

Bill
-- 
Leave others their otherness.

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