[LispM] Further Developments

Daniel Seagraves dseagrav at lunar-tokyo.net
Tue Sep 18 09:47:36 PDT 2018



> On Sep 18, 2018, at 1:43 AM, Björn Victor <bjorn at victor.se> wrote:
> 
> Cool, and best of luck with these things too! You know about https://github.com/MMcM/lmkbd2, I'm sure?

I did not; Using their pinout, I verified that my 8748 is (as expected) dead - It reads all ones and does not react to keypresses.

Does anyone know if the Lambda keyboard uses the same 8748 code as a CADR keyboard? LMI uses a 6-pin cable to the console, 5 pins of which are carried (one has no conductor), and at least 4 of which are actually used. There’s a “brad board” between the 38-pin connector on the actual keyboard and the 6-pin cable. I can only locate 4 of those pins as terminating anywhere on the Brad Board. The thing is, I was under the impression the Lambda keyboard uses a different protocol than the CADR, but it may be an effect of the Brad Board and not the actual keyboard itself.




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