help - 11/34 console problem

[Lyle Bickley]

On Tuesday 01 November 2005 13:14, Tony Duell wrote:
--snip--
> As you probably know, the console is controlled by an 8008
> microprocessor. Of course it's an 8 bit device. Maybe some 'carry' is not
> working correctly.
>
> Alas DEC didn't publish a source listing (or even a binary dump) of the
> console firmware in the printset. This is going to make troubleshooting a
> little harder, since you probably don't know what it should be doing. It
> is clearly running a program, and that program is reading the keyboard
> and scanning the display. So it is somewhat correct.

DEC did publish it in a "rare" version of the KY11 Maintenance Manual. It 
contains the complete 8008 listing.

I put a copy at my website - available by anonymous ftp to bickleywest.com in 
the "dec" directory.

Grab it while you can :-)

Cheers,
Lyle
-- 
Lyle Bickley
Bickley Consulting West Inc.
Mountain View, CA
http://bickleywest.com

"Black holes are where God is dividing by zero"