Path: utzoo!attcan!uunet!husc6!endor!singer From: singer@endor.harvard.edu (Rich Siegel) Newsgroups: comp.sys.mac.programmer Subject: Re: Fake Color Quickdraw (was Re: a whole bunch of things) Message-ID: <4976@husc6.harvard.edu> Date: 17 Jul 88 19:14:46 GMT References: <227@hodge.UUCP> <3988@pasteur.Berkeley.Edu> <5212@batcomputer.tn.cornell.edu> <46753DN5@PSUVM> <13829@apple.Apple.COM> <390@umn-d-ub.D.UMN.EDU> <13954@apple.Apple.COM> <14446@shemp.CS.UCLA.EDU> Sender: news@husc6.harvard.edu Reply-To: singer@endor.UUCP (Rich Siegel) Organization: Symantec/THINK Technologies, Bedford, MA Lines: 22 In article <14446@shemp.CS.UCLA.EDU> kennel@minnie.UUCP (Matthew Kennel) writes: >>Apple examined the possibility of emulating the 881 in software. We >>concluded 1) It would be a tremendous amount of work -- Motorola tried it >>and gave up, and 2) it would be very slow. >> >>David Goldsmith Apple Computer, Inc. >>AppleLink: GOLDSMITH1 BIX: dgoldsmith 20525 Mariani Avenue, MS: 46B >>UUCP: {nsc,dual,sun,voder,ucbvax!mtxinu}!apple!dgold Cupertino, CA 95014 >>CSNET: dgold@apple.apple.com > >Jeez, Sun does it! (e.g. compile your program with cc -fsoft). >Are you admitting their superiority? I seriously doubt that Sun has written a 68881 emulator. A far easier solution (and for more likely) ) is that they wrote a "smart" floating-point library, that calls the FPCP if it's there, and otherwise does floating-point math in software. -Rich Rich Siegel Symantec/THINK Technologies