Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!anaconda.cis.ohio-state.edu!topping From: topping@anaconda.cis.ohio-state.edu (brian e topping) Newsgroups: comp.sys.mac.programmer Subject: Re: F Emulator, Just what the hey is it Message-ID: <82893@tut.cis.ohio-state.edu> Date: 10 Aug 90 15:15:36 GMT References: <1990Aug8.100755.1@mel.cipl.uiowa.edu> <19493@well.sf.ca.us> Sender: news@tut.cis.ohio-state.edu Reply-To: brian e topping Organization: Ohio State University Computer and Information Science Lines: 32 In article <19493@well.sf.ca.us> oster@well.sf.ca.us (David Phillip Oster) writes: >68000 instructions that begin with the hex code 0xFxxx are reserved for >coporcessor chips. If you don't have a coprocessor, then you get a software >interrupt to an interrupt routine that is supposed to emulate the coprocessor. Why then was SANE implemented as it was? It seems that it would be better to have SANE respond to the interrrupts, then there would be no need for different versions of programs like Wings depending on whether or not you have an 881. >-- David Phillip Oster - Note new signature. Old one has gone Bye Bye. Brian Topping