Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!rochester!cornell!uw-beaver!mit-eddie!ll-xn!ames!lll-tis!lll-lcc!well!shibumi From: shibumi@well.UUCP (Kenton Abbott Hoover) Newsgroups: comp.sys.mac Subject: Re: turning off the instruction cache Message-ID: <3506@well.UUCP> Date: Mon, 6-Jul-87 17:27:43 EDT Article-I.D.: well.3506 Posted: Mon Jul 6 17:27:43 1987 Date-Received: Wed, 8-Jul-87 06:15:16 EDT References: <3814@spool.WISC.EDU> Reply-To: shibumi@well.UUCP (Kenton Abbott Hoover) Distribution: world Organization: Whole Earth 'Lectronic Link, Sausalito, CA Lines: 23 Keywords: MacII 68020 In article <3814@spool.WISC.EDU> phil@speedy.WISC.EDU (Phillip Krueger) writes: >Mac software bombs on it. Could somebody please give me directions on >how to turn off the 68020 instruction cache? I'm hoping that'll help. In MPW Assembler syntax: MACHINE MC68020 CacheOff MAIN CLR D0 MOVE DO, CACR RTS END This is barebones, but it should work. >Can it be done without an assembler? Since neither of us is very experienced >with a Mac, a great deal of detail would be greatly appreciated. Any language that supports inline code will do this. Mail for further details. -- ! Kenton A. Hoover {hoptoad,hplabs,lll-lcc,ptsfa}!well!shibumi ! ! SNAIL: 1748 Clement Street ! ! Prescriptive Technology San Francisco, CA 94121 ! ! "Evil will always triumph over good because good is dumb!" !