PDP-11/23 Debugging

Ben Sinclair bensinc at gmail.com
Thu Nov 20 10:48:40 CST 2014

I did find a Sigma brand M8043 equivalent on eBay for a decent price (via a
make best offer). Is using non-DEC hardware just adding more variables, or
are they generally okay? I do like that it has dip switches rather than
wire wrapped jumpers!

On Thu, Nov 20, 2014 at 10:38 AM, Ben Sinclair <bensinc at gmail.com> wrote:

> I'm in Iowa, and unfortunately I don't any spares! I'll check eBay in a
> bit and see if there are any good ones up there right now. They seem to
> come up pretty frequently!
> On Thu, Nov 20, 2014 at 10:32 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu>
> wrote:
>>     > From: Ben Sinclair
>>     > It doesn't seem to work on mine, so maybe I am having an interrupt
>>     > problem on the DLV11!
>> Definitely an interrupt problem of some kind! But this is a big step;
>> knowing
>> we have a specific problem, we can try and track it to its lair.
>>     > I have V6 jumpered, V7 jumpered, and V5 on X to 0. According to the
>>     > manual, that's the factory setting. Is that how you have yours
>> setup?
>> Yes.
>> So the first question is 'do you have a spare DLV11-J you can swap in'?
>> I'm
>> assuming the answer is 'no'. :-) Where are you located?
>>         Noel
> --
> Ben Sinclair
> ben at bensinclair.com

Ben Sinclair
ben at bensinclair.com

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