MAINDEC-11-DZQKC-E-D listing posted (Re: Deciphering PDP-11/05 ZQKC (Instruction Exerciser) MAINDEC failures...)
derschjo at gmail.com
Tue Nov 10 21:42:00 CST 2015
On 11/10/15 2:10 PM, Jay Jaeger wrote:
> On 11/9/2015 3:42 PM, Josh Dersch wrote:
>> On Mon, Nov 9, 2015 at 12:37 PM, Jay Jaeger <cube1 at charter.net> wrote:
>>> On 11/8/2015 11:50 AM, Josh Dersch wrote:
>>>> Anyone have any experience with this particular diagnostic?
>>> The version can normally be identified either by the file name or on the
>>> paper tape if you are using a real paper tape. My guess is that the
>>> version you are running does not match the PDF.
>>> Some of us also have diagnostic listings of various versions, and have
>>> some of them on Microfiche. Unfortunately, I do not seem to have a
>>> listing for DZQKC (any revision). [It isn't missing - it isn't even
>>> listed in the fiche index. :( ]
>>> HOWEVER, I *DO* have a *paper* listing of revision E (among others).
>>> The code starting at 16002 reads
>>> 016002 105737 177564 TSTB @#TPS
>>> 016006 100375 BPL .-4
>>> 016010 006237 177564 TSTB @#TPS
>>> 016014 000001 WAIT ; WAIT FOR FIRST INTERRUPT
>>> The routine starts at 015734 and the comment is ";CHECK TTY INTERRUPT"
>>> AND, the paper copy has a red stamp indicating that a change may be
>>> required for it to operation.
>>> LOC FROM TO
>>> 2266 200 340
>>> 14146 200 340
>>> 16164 5227 4737
>>> 16166 0 160
>>> 160 - 5227
>>> 162 - 0
>>> 164 - 1375
>>> 166 - 207
>>> So, please provide either the complete file name you loaded (if you are
>>> loading from RX, hard disk, DECTape, etc., or the complete information
>>> on the paper tape and we should at least be able to help you figure out
>>> if they match, or not, and whether or not someone has a listing that
>>> matches and can tell you what the error might mean, and perhaps provide
>>> a scan to you (and bitsavers).
>> Thanks, I should have thought to check the revision codes in the first
>> place. Looks like the Bitsavers docs are from revision C; I've been
>> running the paper-tape version that's on Bitsavers (
>> which is labeled as "maindec-11-dzqkc-e-pb" which looks like it should be
>> Revision E (which is fortunate!).
>> If you do have the ability to scan this, I'd love to see it.
> The diagnostic listing is now available in my new bitsavers-contrib
> folder on Google drive:
> This is the only document in there right now, and you will find it in
> the same path that the other occupies on bitsavers, i.e. in folder
> A PDF is there as well as a zip file containing the original .tif files
> as Al Kossow prefers for submissions. (Al: Hint, Hint ;) ).
Thanks a ton for taking the time to make this available. Time for some
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