From: "Tom Demmer" Organization: Lehrstuhl Stroemungsmechanik, RUB To: sandmann AT clio DOT rice DOT edu (Charles Sandmann), djgpp AT delorie DOT com (DJGPP Mailing List) Date: Fri, 2 Aug 1996 15:58:22 GMT-1 Subject: Re: NextGen 586, Floating point woes Reply-to: Demmer AT LStM DOT Ruhr-Uni-Bochum DOT De Message-ID: <43E98E506FA@brain1.lstm.ruhr-uni-bochum.de> [...] > > The function is called by npxsetup.c, same directory. It checks > > the environment variable 387 to see if you set it to "N", but > > unfortunately not, if you set it to "Y". Charles, is that not something > > to change? > > Setting it to Y causes hard crashes (taking out Windows, for example) on > boxes I tried without FPUs for a couple of reasons. That's what anybody would expect. Exactly the same behaviour as TC in those old 286/287 days. So what? > We need to find out > why code directly out of the intel manual doesn't work on this environment, > if we need to set something else first, for example. Because the guys developing NextGen didn't read it? > > In any case, none of these things get fixed unless someone wants to spend > the time to work through them - I'm glad to help but it works on everything > I have access to. > Odds that a customer will buy a NextGen 586 _and_ I can keep him quite until I found out how the CPU behaves are pretty low. Tom ****************************************************************** * Thomas Demmer * Phone : +49 234 700 6434 * * Universitaetsstr. 150 * Fax : +49 234 709 4162 * * Lehrstuhl fuer Stroemungsmechanik * Fax/Voice Box: * * D-44780 Bochum * +49 2561 91371 2056 * ****************************************************************** * Email: demmer AT LStM DOT Ruhr-Uni-Bochum DOT De * * WWW: http://www.lstm.ruhr-uni-bochum.de/~demmer * ****************************************************************** Who needs BRAINS when you have software? -- Marvin