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Path: utzoo!linus!decvax!harpo!seismo!hao!hplabs!sdcrdcf!jonab
From: jonab@sdcrdcf.UUCP (Jonathan Biggar)
Newsgroups: net.micro
Subject: Re: PDP-8 xregs
Message-ID: <862@sdcrdcf.UUCP>
Date: Thu, 23-Feb-84 12:06:09 EST
Article-I.D.: sdcrdcf.862
Posted: Thu Feb 23 12:06:09 1984
Date-Received: Fri, 2-Mar-84 07:59:23 EST
References: <560@druxp.UUCP>
Reply-To: jonab@sdcrdcf.UUCP (Jonathan Biggar)
Organization: System Development Corporation, Santa Monica
Lines: 18

In article <560@druxp.UUCP> ddc@druxp.UUCP (CusterDD) writes:
>====
><
>< ... on the lowly PDP-8 (with NO index registers) ...
><
>
>I'm astonished!  What about the 16 (8 auto incr., 8 auto decr.)
>"index registers" in page0?   :-)
>
>DEC referred to them as "index registers," (hee! hee!! HAW!!).

There are only 8 auto-increment "registers" on a PDP-8,
(locations 10-17 in page 0), and no auto-decrement "registers".
I should know, I used one for 6 years.

Jon Biggar
{allegra,burdvax,cbosgd,hplabs,ihnp4,sdccsu3,trw-unix}!sdcrdcf!jonab