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Path: utzoo!utgpu!water!watmath!clyde!rutgers!sri-spam!mordor!lll-lcc!pyramid!hplabs!felix!jeff
From: jeff@felix.UUCP
Newsgroups: comp.sys.mac
Subject: Re: 68881 Installed?
Message-ID: <2690@felix.UUCP>
Date: Thu, 7-May-87 12:01:51 EDT
Article-I.D.: felix.2690
Posted: Thu May  7 12:01:51 1987
Date-Received: Sat, 9-May-87 05:19:57 EDT
References: <gUbYEOy00UhTyME0mz@andrew.cmu.edu>
Organization: FileNet Corp., Costa Mesa, CA
Lines: 12
Summary: MOVES possibly?

> How can a program determine whether a math coprocessor is installed?
> ...
> there any way to tell, besides having the program crash with an F-Line exception?

	You may be able to use the SFC,DFC registers in the 68010/68020 and
the MOVES instruction to access the 68881 directly.  However you'll
likely encounter a BERR exception if the FPU is not there.

-- 
					  Jeff Wallace
				{decvax,ucbvax}!trwrb!felix!jeff
				  FileNet Corp. Costa Mesa, CA