Re: IBM 9020 FAA/ATC Systems from 1960's

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#210951

From: jav... John Varela
Date: Sun, 19 Aug 2001 20:24

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On Sun, 19 Aug 2001 16:46:37, "Chris Bigos" <Chris...@COLDmail.com> wrote:

> Not exactly a
> general purpose instruction, but still a bona-fide 360 op code.

Are you sure about that?  I think those instructions were designed and 
microcoded specifically for the 9020E to interface with the Raytheon PVD.  I
have a vague recollection that some standard 360 instructions had to be 
deleted to make room in ROS for the display-oriented instructions.

-- 
     John Varela

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<7HU77.9333$TM5.980906@typhoon.southeast.rr.com> <memo.20010727094436.36989A@mikekingston.compulink.co.uk> <vd2NzVOTNb7v-pn2-vdi55dTSr5Cy@dialup-63.208.164.65.Dial1.Washington2.Level3.net> <jwU87.26231$J37.6143999@typhoon.southeast.rr.com> <vd2NzVOTNb7v-pn2-S9FIPi2udxUW@dialup-63.208.164.94.Dial1.Washington2.Level3.net> <9k3oan$t35$1@top.mitre.org> <vd2NzVOTNb7v-pn2-kRuq3Z30rY3O@dialup-209.244.87.87.Dial1.Washington2.Level3.net> <9l0m6j$la3$1@top.mitre.org> <K2Tc7.108947$TM5.16755795@typhoon.southeast.rr.com> <6aie7.52269$e%3.8225465@news2-win.server.ntlworld.com> <NKQS2gVdCOMx-pn2-dpnmKrl9jKHL@dialup-64.157.50.39.Dial1.Washington1.Level3.net> <yaSf7.6499$in6.1133248@news6-win.server.ntlworld.com>

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From: jav...@earthlink.net (John Varela)
Reply-To: jav...@earthlink.net
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Newsgroups: alt.folklore.computers
Subject: Re: IBM 9020 FAA/ATC Systems from 1960's
References: <7HU77.9333$TM5.980906@typhoon.southeast.rr.com> <memo.20010727094436.36989A@mikekingston.compulink.co.uk> <vd2NzVOTNb7v-pn2-vdi55dTSr5Cy@dialup-63.208.164.65.Dial1.Washington2.Level3.net> <jwU87.26231$J37.6143999@typhoon.southeast.rr.com> <vd2NzVOTNb7v-pn2-S9FIPi2udxUW@dialup-63.208.164.94.Dial1.Washington2.Level3.net> <9k3oan$t35$1@top.mitre.org> <vd2NzVOTNb7v-pn2-kRuq3Z30rY3O@dialup-209.244.87.87.Dial1.Washington2.Level3.net> <9l0m6j$la3$1@top.mitre.org> <K2Tc7.108947$TM5.16755795@typhoon.southeast.rr.com> <6aie7.52269$e%3.8225465@news2-win.server.ntlworld.com> <NKQS2gVdCOMx-pn2-dpnmKrl9jKHL@dialup-64.157.50.39.Dial1.Washington1.Level3.net> <yaSf7.6499$in6.1133248@news6-win.server.ntlworld.com>
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