Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!cs.utexas.edu!oakhill!tomj From: tomj@oakhill.UUCP (Tom Johnson) Newsgroups: comp.sys.m68k Subject: Re: 68000 <-> 68881 rutines Message-ID: <3136@oakhill.UUCP> Date: 26 Mar 90 13:13:55 GMT References: Reply-To: tomj@oakhill.UUCP (Tom Johnson) Distribution: comp Organization: Motorola Inc., Austin, Texas Lines: 24 In article jgabriel@mtecv2.mty.itesm.mx (Juan Gabriel Ruiz Pinto) writes: > > Can anybody help me with that? I'm looking for the trap routine, > is there some public domain routines to use the co-processor? Can > anybody explain me the mechanism of the trap routine? > >-- >Juan Gabriel Ruiz Pinto Internet: >Ing. Sistemas Electronicos jgabriel@mtecv2.mty.itesm.mx >I.T.E.S.M. Campus Monterrey Check out the January 23rd, 1986 issue of EDN magazine. In this issue is an article: "Software Links Math Chip to 68000-family uPs", written by myself and Sarah Harris. It explains the coprocessor interface protocol relatively well, and also gives the source for sample assembly language macros AND sample trap handlers. Note that trap handlers are usually some- what more difficult to write since it is more difficult to handle a general case of addressing modes. Tom Johnson (tomj@oakhill.UUCP) Motorola, Inc. Austin, TX Disclaimer: