Bit 0, Vax-780, I/D Reg 0C

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Article #320

#320

From: irwin
Date: Mon, 11 Aug 1986 16:27

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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

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Path: arc1-ca.pugleaf.net!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
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Nf-From: uiucdcs.CS.UIUC.EDU!irwin    Aug 11 11:27:00 1986