Session 9 here gets us into microcode RAM trouble:

https://youtu.be/VWQ7hbV7bN0

Ken’s corresponding blog article

http://www.righto.com/2016/10/restoring-ycs-xerox-alto-day-9-tracing.html

 

Marc

 

And it finally boots on session 8!

https://youtu.be/9OQMhvArI9g

 

> On Sep 10, 2016, at 7:46 PM, CuriousMarc <curiousma...@gmail.com>

> wrote:

> 

> Video of session 6 is up:

> https://youtu.be/b7yVhMT7tr4

> Found our first bad IC. Probably not our last one.

>  

>  

> On 9/3/16 11:08 PM, curiousma...@gmail.com wrote:

> Episode 5, still does not boot, but we are starting to follow long

> why: https://youtu.be/Wr7vDZpniNIr

>  

> Marc

>  

>  

> On Jul 31, 2016, at 6:12 PM, CuriousMarc <curiousma...@gmail.com>

> wrote: 

> Next Episode:

> https://youtu.be/EDw8U1a6s78

> http://www.righto.com/2016/07/restoring-y-combinators-xerox-alto-day_31.html

> Marc

>  

> From: Curious Marc [mailto:curiousma...@gmail.com] 

> Sent: Tuesday, July 12, 2016 2:01 AM

> To: Curious Marc; cctalk@classiccmp.org

> Subject: Re: Y Combinator is restoring one of Alan Kay's Xerox Alto

> machines 

> Ken's in-depth blog post to go with the previous video

> http://www.righto.com/2016/07/restoring-y-combinators-xerox-alto-day_11.html

>  

> On Jul 5, 2016, at 2:46 PM, Curious Marc <curiousma...@gmail.com>

> wrote: 

> Video from yesterday’s work on the Diablo cartridge disc:

> https://youtu.be/PR5LkQugBE0

> Should be up in a few minutes.

> We were tickled pink to have official representation from PARC

> (former Xerox Parc) at the session. Marc

>  

> Ken’s new post on the monitor repair to go with my previous video.

> http://www.righto.com/2016/07/restoring-y-combinators-xerox-alto-day.html

> Al Kossow got us a new CRT tube, so we are probably going to try

> that this week-end. Marc

>  

>  

> Latest entry from Ken Shirriff, trying out BCPL (ancestor of C). On

> the emulator, not yet on the real machine:

> http://www.righto.com/2016/06/hello-world-in-bcpl-language-on-xerox.html 

> Marc

>  

> There are only two entries right now:

> http://www.righto.com/2016/06/y-combinators-xerox-alto-restoring.html

> http://www.righto.com/2016/06/restoring-y-combinators-xerox-alto-day.html

> Marc

>  

>  

>    

 

 

 

-- 

73      AF6WS

Bickley Consulting West Inc.

http://bickleywest.com

 

"Black holes are where God is dividing by zero"

 

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