Trying to get my RLV11 working

[Johnny Billquist]

On 2015-10-28 21:40, Ben Sinclair wrote:
> Well I just figured out something important...The switch numbers on my
> board backwards! I was going over the docs again, and noticed that MSB
> and LSB in their board diagram were on the wrong sides, compared to
> the switch numbers referenced on the next page. I'm not sure if that's
> just the way it is, or maybe someone replaced my switches at some
> point. After changing my switches I can now read 774400, which gives
> me 144201.
>
> The VRLAC0 diagnostic now goes further, but it thinks something is
> wrong. Now of course I have no idea what it thinks is wrong here!

[...]

Ah! Progress. That explains your initial problems then.
Well, now that we can communicate with the controller, let's move on. Do 
you have any drives connected? Do you have the terminator for the drives 
in place? Is all the cards in the Q-bus continuous without any gaps in 
the bus?

	Johnny

>
>
> DR>START
>
> CHANGE HW (L)  ? Y
>
> # UNITS (D)  ? 1
>
> UNIT 0
> 11/23 PROCESSOR (L) Y ?
> BUS ADDRESS (O)  174400 ?
> VECTOR (O)  160 ? 330
> DRIVE (O)  0 ?
> BR LEVEL (O)  5 ?
>
> CHANGE SW (L)  ? Y
>
> DROP ON ERROR LIMIT (L) N ?
> AUTOSIZE (L) N ?
>
> CVRLA DVC FTL ERR  00113 ON UNIT 00 TST 009 SUB 000 PC: 020052
> BUS RESET DID NOT CLEAR RLCS
> CONTROLLER: 174400  DRIVE: 0
> EXP'D: 140200 REC'D: 144200
>
> CVRLA DVC FTL ERR  00004 ON UNIT 00 TST 012 SUB 000 PC: 020264
> RLCS READ/WRITE ERROR (BIT 0 DON'T CARE)
> CONTROLLER: 174400  DRIVE: 0
> EXP'D: 140200 REC'D: 144200
>
> CVRLA DVC FTL ERR  00007 ON UNIT 00 TST 015 SUB 000 PC: 020600
> BIT SET INSTRUCTION ON RLCS YIELDED WRONG RESULT
> CONTROLLER: 174400  DRIVE: 0
> EXP'D: 140200 REC'D: 144200
>
> CVRLA DVC FTL ERR  00008 ON UNIT 00 TST 016 SUB 000 PC: 020724
> BIT CLEAR INSTRUCTION ON RLCS YIELDED WRONG RESULT
> CONTROLLER: 174400  DRIVE: 0
> EXP'D: 141776 REC'D: 145776
>
> ... And many more!
>
>
>
> On Wed, Oct 28, 2015 at 3:06 PM, Ben Sinclair <ben at bensinclair.com> wrote:
>> Okay, I think I need to be looking at 774400, which doesn't return
>> anything. Also, the PDP11GUI has a handy RL11 dialog to show all of
>> the registers, which I think shows the same thing... It's not there!
>>
>> I've double checked my switch settings, and tested the switches
>> themselves for continuity just to make sure they weren't bad (which
>> has happened to me before). Beyond something physically wrong with the
>> boards, is there anything else I might check?
>>
>> On Wed, Oct 28, 2015 at 2:35 PM, Ben Sinclair <ben at bensinclair.com> wrote:
>>> For 18 bit addresses, I assume I would look at 74400 instead? I get
>>> 177777 there.
>>>
>>> I did just try moving the RLV11 boards below everything else (except
>>> the BDV11), with the same results as before.
>>>
>>> On Wed, Oct 28, 2015 at 12:29 PM, Johnny Billquist <bqt at update.uu.se> wrote:
>>>> On 2015-10-28 18:25, Ben Sinclair wrote:
>>>>>
>>>>> I just tried to read 774400 from ODT, and it just gives the question
>>>>> mark. So, I don't think it's seeing it at all right now! I'll try
>>>>> moving it next.
>>>>
>>>>
>>>> I wonder if it really uses 18 bit addresses in the console.
>>>>
>>>>          Johnny
>>>>
>>>>
>>>>>
>>>>> On Wed, Oct 28, 2015 at 11:46 AM, Ben Sinclair <ben at bensinclair.com>
>>>>> wrote:
>>>>>>
>>>>>> No magic smoke so far!
>>>>>>
>>>>>> I think you had written something a while back that would test that
>>>>>> interrupt. Was that correct, or is there another diagnostic I can use
>>>>>> to test that?
>>>>>>
>>>>>> The 17440 wasn't a typo, it's just my misunderstanding of how the
>>>>>> addressing works. I'll read the actual location later today and see
>>>>>> what I find!
>>>>>>
>>>>>> On Wed, Oct 28, 2015 at 11:43 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu>
>>>>>> wrote:
>>>>>>>
>>>>>>>       > From: Ben Sinclair
>>>>>>>
>>>>>>>       > According to the Microcomputer Interfaces Handbook, my H9273
>>>>>>> backplane
>>>>>>>       > should be all ABCD.
>>>>>>>
>>>>>>> Yup, that was one of the first things I checked - whilst realizing that
>>>>>>> if
>>>>>>> it wasn't, it was too late... :-)
>>>>>>>
>>>>>>>       > Am I correct in that I shouldn't have any problem using the RLV11
>>>>>>> in
>>>>>>>       > that backplane?
>>>>>>>
>>>>>>> Not that I am aware of.
>>>>>>>
>>>>>>>           Noel
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Ben Sinclair
>>>>>> ben at bensinclair.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Johnny Billquist                  || "I'm on a bus
>>>>                                    ||  on a psychedelic trip
>>>> email: bqt at softjar.se             ||  Reading murder books
>>>> pdp is alive!                     ||  tryin' to stay hip" - B. Idol
>>>
>>>
>>>
>>> --
>>> Ben Sinclair
>>> ben at bensinclair.com
>>
>>
>>
>> --
>> Ben Sinclair
>> ben at bensinclair.com
>
>
>


-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol