LMI Lambda?

[Daniel Seagraves]

> On Feb 9, 2017, at 11:38 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:
> 
>> From: Alfred M. Szmidt
> 
>> System 46 for the MIT CADR is licensed under a 3-clause BSD license --
>> start hacking. ;-) You even have an emulator for the MIT CADR.
> 
> Everyone seems to have blown right past this, but it might be important.
> 
> Does anyone know if the Lambda matches the CADR? Or did they make changes
> ('improvements')? I always had the impression that it was basically a CADR
> clone.
> 
> A CADR emulator, running the MIT code, would certainly be OK.

It’s not an exact clone - The microcode is different, and they added a lot to the system after they got it. It’s between the CADR and TI/Symbolics. The first Lambda release was equivalent to CADR System 99, and they branched off from there.