DEC VT05 with OS/8 -- basic system rebuild?

Charles H Dickman chd_1 at nktelco.net
Wed May 13 18:06:57 CDT 2009


Philipp Hachtmann wrote:
> Hi Charles,
>
>> The OS8 Handbook and the documents you mentioned have about all the 
>> information you should need.
> But.. I asked here because it's not always easy to actually FIND the 
> information needed.
> By the way I did not yet find out how to rebuild OS/8 from scratch 
> (including reassembly).
>
> Philipp
>
I don't think that I understood the source of your troubles. I think 
that the basic problem is that most of the OS/8 system did its own 
thing  with the console. There is no getting around that.

I suspect that it is impossible to rebuild OS/8 today. I would be 
surprised if OS/8 was actually maintained on a PDP-8. All of the 
diagnostic listing, for example, were generated using PAL10 on a PDP-10.

I have tried to find a coherent set of binaries and this can be 
difficult too. SET is especially problematical because it requires 
intimate knowledge of the handler it is going to patch. I have the 
opinion that the the suggestions about using SET to change things in the 
KL8-E hander are a red herring, they were probably never added to SET.

-chuck
 



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