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From: earle@smeagol.UUCP (Greg Earle)
Newsgroups: net.arch
Subject: Re: Re: Addressing modes (Really 1802)
Message-ID: <649@smeagol.UUCP>
Date: Mon, 17-Mar-86 23:31:33 EST
Article-I.D.: smeagol.649
Posted: Mon Mar 17 23:31:33 1986
Date-Received: Fri, 21-Mar-86 04:48:11 EST
References: <187@anwar.UUCP> <1161@mmintl.UUCP> <460@ccivax.UUCP> <10693@amdcad.UUCP>
Organization: JPL, Pasadena CA
Lines: 33

In article <10693@amdcad.UUCP>, tim@amdcad.UUCP (Tim Olson) writes:
> ...  The 1802 certainly had some interesting concepts
> for its time, however.

Interesting that Tim refers to the 1802 in the past tense ... Here at The
Land That Time Forgot (erm, JPL that is), you folks out there might be
interested to know that both Galileo, and the not-to-fly-till-at-least-1989
Venus Radar Mapper mission (Magellan) are *both* using rad-hardened
1802's as the main CPU in the Command Data Subsystem.  There are Flight
Software people here even now huddled over their RCA COSMAC development
systems ... The people doing test software have to upload Hex'ed binary
files from the COSMAC to an IBM PC, run them through a filter program,
upload again to a Sun-2 which is the main front end to the Lab Test Set (LTS)
which finally uploads it into a breadboard version (in VRM's case) of the
CDS ...  Flight Software may get all the glory, but gimme my leading-edge
Suns anyday.  Anyhow, next time you reminisce about the 1802, shed a tear
for those people for whom the past is not as far back as you think :-)

"Forward, into the Past!" (Overheard at a JPL Flight Software meeting :-)


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	Greg Earle		sdcrdcf!smeagol!earle (UUCP)
	JPL 			ia-sun2!smeagol!earle@csvax.caltech.edu (ARPA)