Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83 (MC840302); site boring.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!genrad!panda!talcott!harvard!seismo!mcvax!boring!jack From: jack@boring.UUCP Newsgroups: net.micro.16k Subject: Re: Query about interrupt/trap handling Message-ID: <6486@boring.UUCP> Date: Mon, 1-Jul-85 12:48:52 EDT Article-I.D.: boring.6486 Posted: Mon Jul 1 12:48:52 1985 Date-Received: Fri, 5-Jul-85 03:45:45 EDT References: <1179@sjuvax.UUCP> Reply-To: jack@boring.UUCP (Jack Jansen) Distribution: net Organization: AMOEBA project, CWI, Amsterdam Lines: 13 Apparently-To: rnews@mcvax.LOCAL From "Series 32000 Instruction Set Reference Manual", Section 6.2 (General Interrupt/Trap Sequence): ... the PSR is then set to reflect Supervisor Mode, and the selection of the Interrupt Stack. It is kind of logical, too. I've never seen a machine that didn't switch to supervisor mode on an interrupt (ok, on the PDP-11 you can choose, but still.....) -- Jack Jansen, jack@mcvax.UUCP The shell is my oyster.