PDP-11/23 Debugging

Noel Chiappa jnc at mercury.lcs.mit.edu
Thu Nov 20 10:32:19 CST 2014

    > 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?


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?


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