Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!watmath!clyde!cbatt!cbosgd!ihnp4!inuxc!pur-ee!uiucdcs!irwin From: irwin@uiucdcs.CS.UIUC.EDU Newsgroups: net.decus Subject: Bit 0, Vax-780, I/D Reg 0C Message-ID: <30600007@uiucdcs> Date: Mon, 11-Aug-86 12:27:00 EDT Article-I.D.: uiucdcs.30600007 Posted: Mon Aug 11 12:27:00 1986 Date-Received: Thu, 14-Aug-86 07:49:42 EDT Lines: 18 Nf-ID: #N:uiucdcs:30600007:000:368 Nf-From: uiucdcs.CS.UIUC.EDU!irwin Aug 11 11:27:00 1986 I have a question relating to a VAX-780 or 785. What is the zero bit used for in the I/D Register 0C?? On a VMS system it contains 184 584. On a Unix system, it contains 184 584, but sometimes 183 583, in which case, the zero bit contains a "1". Any takers out there on answering this?? Al Irwin Univ of Illinois Dept of Comp Sci Urbana, Il uiucdcs 217-333-4801