On 2020-07-10 04:37, Don North wrote:
On 7/9/2020 6:25 PM, Bob Supnik wrote:
Yes, the PDP11 Architecture Handbook was a post-facto effort. The J11
was finished; DEC did not intend to do another PDP11 processor. (I
wrote a spec for one, primarily as an exercise in trying to do a
different
--
Re: [Simh] pdp11 fails MAINDEC CPU test 14 D0NA
From: Johnny Billquist b...@softjar.se
Date: Jul 9, 7:29 PM
To: Paul Koning paulkon...@comcast.net
CC: Paul Moore paulmoore...@hotmail.com, simh@trailing-edge.com
On 2020-07-10 02:19, Paul Koning wrote:
The VAX architecture seems to
Yes, the PDP11 Architecture Handbook was a post-facto effort. The J11
was finished; DEC did not intend to do another PDP11 processor. (I wrote
a spec for one, primarily as an exercise in trying to do a different
microcode structure than the PLA/ROM of the LSI11/F11/J11, but I lost
it.) The
> On Jul 9, 2020, at 8:29 PM, Johnny Billquist wrote:
>
> On 2020-07-10 02:19, Paul Koning wrote:
>> The VAX architecture seems to have been an explicit design effort. For the
>> Alpha this was even more obvious, where a monstrously large book (certainly
>> 500 pages, maybe double that) was
On 2020-07-10 02:31, Bob Eager wrote:
On Thu, 9 Jul 2020 19:49:13 -0400
Paul Koning wrote:
The best reference for implementation dependencies is the PDP11
architecture handbook. It covers the topic in Appendix B, 13 pages,
52 separate items. I don't see it on Bitsavers, unfortunately.
On Thu, 9 Jul 2020 19:49:13 -0400
Paul Koning wrote:
> The best reference for implementation dependencies is the PDP11
> architecture handbook. It covers the topic in Appendix B, 13 pages,
> 52 separate items. I don't see it on Bitsavers, unfortunately.
On 2020-07-10 02:19, Paul Koning wrote:
The VAX architecture seems to have been an explicit design effort. For the
Alpha this was even more obvious, where a monstrously large book (certainly 500
pages, maybe double that) was written and reviewed in depth before anything was
cast into
TX, I know where the tools are, I already downloaded, built, ...
Just passing on the fact that the link on the home page is broken
-Original Message-
From: Simh On Behalf Of Bob Eager
Sent: Thursday, July 9, 2020 5:23 PM
To: simh@trailing-edge.com
Subject: Re: [Simh] tools link on web
On Thu, 9 Jul 2020 23:53:39 +
Paul Moore wrote:
> Just FYI
> Goes here http://simh.trailing-edge.com/sources/simtoolsv310-0/
Just go for:
http://simh.trailing-edge.com/sources/simtools/
That's the latest in the 'classic SIMH' repository.
As Mark says, for the V4.x (whatever x is) you'll
> On Jul 9, 2020, at 8:13 PM, Johnny Billquist wrote:
>
> I know that CPU differences are documented in multiple different handbooks
> and documents. But I am not aware of any definitive documentation of the
> PDP-11 architecture like what you seem to refer to Paul (similar to the VARM
>
The latest simtools can be found at https://github.com/simh/simtools available
as a zip via https://github.com/simh/simtools/archive/master.zip
From: Simh on behalf of Paul Moore
Sent: Thursday, July 9, 2020 1:53 PM
To: simh@trailing-edge.com
Subject:
Just FYI
Goes here http://simh.trailing-edge.com/sources/simtoolsv310-0/
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The best reference for implementation dependencies is the PDP11 architecture
handbook. It covers the topic in Appendix B, 13 pages, 52 separate items. I
don't see it on Bitsavers, unfortunately.
paul
> On Jul 9, 2020, at 7:33 PM, Johnny Billquist wrote:
>
> Yes, if the test says
Yes, if the test says that, it must be wrong, since the 11/05 and 11/20
do not do the same thing here. This is documented in the MicroPDP-11
Handbook, for example
(http://www.bitsavers.org/pdf/dec/pdp11/handbooks/EB-24944-18_Micro_PDP-11_Handbook_1983-84.pdf,
page 379 and forward).
Johnny
So the test doc is wrong then, it says valid for 11/05, 20 and 10 (this is the
MAINDEC manual dated oct 73)
I was running with SET CPU 11/05
Maybe the engineers knew to just ignore that failure, 'don’t worry they all
halt there, just hit run, trust me'
Ran the same test on 11/20 and it passes
This is a test that tests something which is actually implementation
dependent. So you need to run the appropriate test on the appropriate CPU.
More specifically:
The following processor uses the original content of Rn as source when
doing an operation like MOV Rn,(Rn)+
LSI-11, 11/04,
Not sure if you are interested but I found that simh fails test 14. (Running
the tests on my own emu project and wondered if simh would pass all of these
nasty tests too)
007176: 010700 mov r7,r0
; @.
007200: 012700
Peter Allan wrote:
> Gus sent me two files. They are both called vt240.zip.
Thank you for the instructions. Can you please provide the zip file?
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