Re: autodecrement PC

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Article #1656

#1656

From: Bruce Walker
Date: Wed, 26 Jul 1989 21:41

19 lines
1287 bytes

In article <958@m3.mfci.UUCP> rodman@mfci.UUCP (Paul Rodman) writes:
>In article <3893@phri.UUCP> roy@phri.UUCP (Roy Smith) writes:
>>
>> I always wanted to try [...] auto-decrement mode on r7 (i.e. the pc).
>
>Yes, it works... We had fun finding out that [...] MOV -(PC),-(PC) 
>was a nice "seed" instr that would fill memory backwards from wherever
>you keyed it in until you hit the I/O and Trap vector locations, Bam! :-)

I have always known this type of addressing as:

	"auto-excrement mode"

Just thought you should know that.

-- 
Bruce Walker                   ...uunet!mnetor!lsuc!isgtec!mutant!bmw
"Better Living Through Connectivity"  ...utzoo!lsuc!isgtec!mutant!bmw
ISG Technologies Inc. 3030 Orlando Dr. Mississauga. Ont. Can. L4V 1S8

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Message-ID: <113@isgtec.UUCP>

Path: arc1-ca.pugleaf.net!utzoo!censor!isgtec!bmw

References:

<3256@wpi.wpi.edu> <EGDORF.89Jul21195924@zaphod.lanl.gov> <443@anasaz.UUCP> <BRUCE.89Jul23155646@heather.pooh.com> <3893@phri.UUCP> <958@m3.mfci.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!censor!isgtec!bmw
From: bmw@isgtec.UUCP (Bruce Walker)
Newsgroups: comp.arch
Subject: Re: autodecrement PC
Summary: scurilous
Message-ID: <113@isgtec.UUCP>
Date: 26 Jul 89 21:41:25 GMT
References: <3256@wpi.wpi.edu> <EGDORF.89Jul21195924@zaphod.lanl.gov> <443@anasaz.UUCP> <BRUCE.89Jul23155646@heather.pooh.com> <3893@phri.UUCP> <958@m3.mfci.UUCP>
Reply-To: bmw@isgtec.UUCP (Bruce Walker)
Followup-To: comp.arch
Distribution: na
Organization: I.S.G. Technologies, Toronto, Ontario
Lines: 19

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