Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-03-02 Thread allison via cctalk
On 03/02/2018 06:44 AM, Maciej W. Rozycki via cctalk wrote: > On Wed, 28 Feb 2018, Paul Koning via cctalk wrote: > >> With the VAX, this got cleaned up to a significant extent, and ditto >> with Alpha. In both cases, an internal validator tool was created to >> verify that, at least from the

Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-03-02 Thread Maciej W. Rozycki via cctalk
On Wed, 28 Feb 2018, Paul Koning via cctalk wrote: > With the VAX, this got cleaned up to a significant extent, and ditto > with Alpha. In both cases, an internal validator tool was created to > verify that, at least from the point of view of instruction execution, a > new machine worked the

RE: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-28 Thread Rich Alderson via cctalk
From: Doug Ingraham Sent: Wednesday, February 28, 2018 9:53 AM > This is a great story! And it probably indicates that when developing the > Toad-1 this particular diagnostic was never run from an original DEC generated > tape or the Toad-1 would have failed the diagnostic. Alternatively

Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-28 Thread Chuck Guzis via cctalk
On 02/28/2018 10:55 AM, Paul Koning via cctalk wrote: > In general, manuals are only a rough approximation of reality. I > remember an old joke that "PDP-11/x is compatible with PDP-11/y if > and only if x == y". And sure enough, if you look at the models > appendix of the PDP-11 Architecture

Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-28 Thread Paul Koning via cctalk
> On Feb 28, 2018, at 1:10 PM, David Bridgham via cctalk > wrote: > > >> Imagine our chagrin when days of trying to correct the >> problem led to the conclusion that the diagnostic was incorrect. > > I may have a situation like this in working on my FPGA PDP-10. The

Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-28 Thread David Bridgham via cctalk
> Imagine our chagrin when days of trying to correct the > problem led to the conclusion that the diagnostic was incorrect. I may have a situation like this in working on my FPGA PDP-10.  The Processor Reference Manuals seem quite clear that the rotate instructions take E mod 256.  One of the

Re: Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-28 Thread Doug Ingraham via cctalk
On Tue, Feb 27, 2018 at 2:46 PM, Rich Alderson via cctalk < cctalk@classiccmp.org> wrote: > > Fast forward 20 years, to Living Computer Museum, where a KI-10 based > DEC-1070 > was undergoing restoration. Diagnostics were needed, so the resident > TOPS-20 > programmer laid hands on the MAINDEC

Bug-for-bug compatibility [was RE: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]]

2018-02-27 Thread Rich Alderson via cctalk
From: Paul Koning Sent: Monday, February 26, 2018 12:19 PM >> On Feb 26, 2018, at 12:06 PM, Doug Ingraham via cctalk >> > wrote: >> The purpose of an emulator is to accurately pretend to be the original >> hardware. It doesn't matter that the original OS runs on a

Writing emulators (Was: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-26 Thread Fred Cisin via cctalk
The purpose of an emulator is to accurately pretend to be the original hardware. It doesn't matter that the original OS runs on a particular emulator. If a program can be written that runs on the original hardware but fails on the emulator then there is a flaw in that emulator. On Mon, 26 Feb

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-26 Thread Glen Slick via cctalk
On Mon, Feb 26, 2018 at 12:19 PM, Paul Koning via cctalk wrote: > > Another example is the work pdp2011 had to do in order to make RSTS boot on > that FPGA based PDP-11 emulation, because RSTS was doing some CPU-specific > hackery to test for an obscure CPU (or FPU?) bug

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-26 Thread Paul Koning via cctalk
> On Feb 26, 2018, at 12:06 PM, Doug Ingraham via cctalk > wrote: > > The purpose of an emulator is to accurately pretend to be the original > hardware. It doesn't matter that the original OS runs on a particular > emulator. If a program can be written that runs on

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-26 Thread Doug Ingraham via cctalk
On Fri, Feb 23, 2018 at 2:49 PM, Rick Murphy via cctalk < cctalk@classiccmp.org> wrote: > On 2/21/2018 5:14 PM, Paul Koning via cctalk wrote: > >> Ok, then it could be for VMS, which also does this (via Andy's >> unsupported driver). I don't know of PDP-11 or other minicomputer systems >> that

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-23 Thread Rick Murphy via cctalk
On 2/21/2018 5:14 PM, Paul Koning via cctalk wrote: Ok, then it could be for VMS, which also does this (via Andy's unsupported driver). I don't know of PDP-11 or other minicomputer systems that do DECtape overlapped seek. I suppose it could be for artistic verisimilitude... TSS/8. It was a

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-22 Thread Paul Koning via cctalk
> On Feb 22, 2018, at 3:09 AM, Chris Hanson via cctalk > wrote: > > On Feb 21, 2018, at 11:09 AM, Al Kossow via cctalk > wrote: >> >> That is tricky to cleanly and efficiently implement where each component is >> modeled independently and >>

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-22 Thread Peter Coghlan via cctalk
Guy Sotomayor Jr wrote: > >> On Feb 21, 2018, at 12:19 PM, Rich Alderson via cctalk >> wrote: >> >> From: Guy Sotomayor Jr >> Sent: Wednesday, February 21, 2018 11:24 AM >> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-22 Thread Chris Hanson via cctalk
On Feb 21, 2018, at 11:09 AM, Al Kossow via cctalk wrote: > > That is tricky to cleanly and efficiently implement where each component is > modeled independently and > glued together with a higher-level framework. This is why I wonder if multithreaded emulation might be

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-21 Thread Lars Brinkhoff via cctalk
Rich Alderson wrote: > It's not for Tops-10. SimH only provides the KS-10 processor[1], so > DECtape is not a possible peripheral. > [1] Although there is a KA-10 in the works. Also KI-10 in its current state. Maybe PDP-6 in the future.

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Chris Elmquist via cctalk
> On Feb 21, 2018, at 3:52 PM, Chuck Guzis via cctalk > wrote: > >> On 02/21/2018 12:28 PM, Al Kossow via cctalk wrote: >> That actually just came up for discussion in a donation review meeting this >> week at >> CHM. >> >> I don't know if they're that interesting w/o

Re: SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-21 Thread Paul Koning via cctalk
> On Feb 21, 2018, at 3:25 PM, Rich Alderson via cctalk > wrote: > > From: Paul Koning > Sent: Wednesday, February 21, 2018 6:41 AM > >> And while there is roughly-accurate simulation of DECtape in SIMH (presumably >> for TOPS-10 overlapped seek to work?) > > It's not

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Charles Anthony via cctalk
On Wed, Feb 21, 2018 at 4:28 AM, Philipp Hachtmann via cctalk < cctalk@classiccmp.org> wrote: > > On 19.02.2018 02:52, Zane Healy via cctalk wrote: > >> What do they have up there for Honeywell? >> > > I was looking through the pics and saw - nothing... But I also would be > VERY interested about

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Guy Sotomayor Jr via cctalk
> On Feb 21, 2018, at 12:19 PM, Rich Alderson via cctalk > wrote: > > From: Guy Sotomayor Jr > Sent: Wednesday, February 21, 2018 11:24 AM > >>> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk >>> wrote: > >>> Typically you'd emulate the

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Henk Gooijen via cctalk
Van: Al Kossow via cctalk<mailto:cctalk@classiccmp.org> Verzonden: woensdag 21 februari 2018 20:11 Aan: cctalk@classiccmp.org<mailto:cctalk@classiccmp.org> Onderwerp: Re: Writing emulators (was Re: VCF PNW 2018: Pictures!) On 2/21/18 10:59 AM, Paul Koning via cctalk wrote: &

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Chuck Guzis via cctalk
On 02/21/2018 12:28 PM, Al Kossow via cctalk wrote: > That actually just came up for discussion in a donation review meeting this > week at > CHM. > > I don't know if they're that interesting w/o the software and documentation, > and even > then, these things were all locked down with licenses,

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Charles Anthony via cctalk
On Wed, Feb 21, 2018 at 11:24 AM, Guy Sotomayor Jr via cctalk < cctalk@classiccmp.org> wrote: > > > > On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk < > cctalk@classiccmp.org> wrote: > > > > > > Caching doesn't change user-visible functionality, so I can't imagine > wanting to emulate that.

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Ethan Dicks via cctalk
On Wed, Feb 21, 2018 at 2:11 PM, Chuck Guzis via cctalk wrote: > For what it's worth, I differentiate "cycle correct" from "real time". Agreed. I've been testing Z-80 emulators over the past year because a CP/M game (Scott Adams' Adventures) depends on the R register

SimH DECtape vs. Tops-10 [was RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]]

2018-02-21 Thread Rich Alderson via cctalk
From: Paul Koning Sent: Wednesday, February 21, 2018 6:41 AM > And while there is roughly-accurate simulation of DECtape in SIMH (presumably > for TOPS-10 overlapped seek to work?) It's not for Tops-10. SimH only provides the KS-10 processor[1], so DECtape is not a possible peripheral.

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Rich Alderson via cctalk
From: Guy Sotomayor Jr Sent: Wednesday, February 21, 2018 11:24 AM >> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk >> wrote: >> Typically you'd emulate the I/O device functionality, regardless of whether >> that is implemented in gates or in co-processor firmware.

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Seth J. Morabito via cctalk
Guy Sotomayor Jr via cctalk writes: >> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk >> wrote: >> >> >> Caching doesn't change user-visible functionality, so I can't imagine >> wanting to emulate that. The same goes for certain error handling. >> I've seen an

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Charles Anthony via cctalk
On Wed, Feb 21, 2018 at 8:52 AM, Ray Arachelian via cctalk < cctalk@classiccmp.org> wrote: > Now, you don't want to run your emulated guest CPU(s) at full speed on > the host machine, because you'll overheat it, and typically, it'll run a > multi-process OS anyway and you don't want to starve the

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Charles Anthony via cctalk
On Wed, Feb 21, 2018 at 6:45 AM, Zane Healy via cctalk < cctalk@classiccmp.org> wrote: > > > On Feb 19, 2018, at 6:51 AM, Noel Chiappa via cctalk < > cctalk@classiccmp.org> wrote: > > Really the H6180 looks a lot more like the DPS-8 I remember. We had a > single CPU Dev system, and a 4 CPU

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Adrian Stoness via cctalk
i dont think there is any physical hardware to test from left sept for maybe part of the front panel and a tape drive sitting in europe in museum and a couple random bit in some private collections drawings theres some but not allot. most of the known documentation is in dutch and from what i

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Henk Gooijen via cctalk
Van: Ethan Dicks via cctalk<mailto:cctalk@classiccmp.org> Verzonden: woensdag 21 februari 2018 20:44 Aan: Paul Koning<mailto:paulkon...@comcast.net>; General Discussion: On-Topic and Off-Topic Posts<mailto:cctalk@classiccmp.org> Onderwerp: Re: Writing emulators (was Re: VCF

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Al Kossow via cctalk
On 2/21/18 10:59 AM, Paul Koning via cctalk wrote: > The absence of that emulation isn't a big deal, unless you want to run the > Richy Lary PDP-8 emulator on that emulated 11/60. (Has it been preserved?) > > People have been searching for it for a while now, but it appears to have been

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Al Kossow via cctalk
On 2/21/18 11:11 AM, Chuck Guzis via cctalk wrote: > Putting it another way, one can maintain a cycle counter in an emulator > whose contents are updated when certain tasks have been accomplished. Synchronization at start of instruction fetch, DMA complete, and firing of an interrupt can hide

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Henk Gooijen via cctalk
Van: Paul Koning via cctalk<mailto:cctalk@classiccmp.org> Verzonden: woensdag 21 februari 2018 20:37 Aan: Guy Sotomayor Jr<mailto:g...@shiresoft.com> CC: General Discussion: On-Topic and Off-Topic Posts<mailto:cctalk@classiccmp.org> Onderwerp: Re: Writing emulators (wa

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Al Kossow via cctalk
That actually just came up for discussion in a donation review meeting this week at CHM. I don't know if they're that interesting w/o the software and documentation, and even then, these things were all locked down with licenses, except for the really early ones like Daisy and Valid. On

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Paul Koning via cctalk
> On Feb 21, 2018, at 2:47 PM, Henk Gooijen via cctalk > wrote: > > ... > Tekst on my website: > > The only other PDP-11 that has a WCS option (KUV11, M8018) is the PDP-11/03, > KD11-F processor. > Ritchie Lary wrote the micro-code for the PDP-11/60 to emulate the

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Al Kossow via cctalk
On 2/21/18 6:41 AM, Paul Koning via cctalk wrote: > SIMH in principle allows the writing of cycle-accurate CPU simulators, but I > don't believe anyone has bothered. Atari 2600 requires it. Any simulation of an embedded system that did cycle counting for timing would require it as well. One

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Pontus Pihlgren via cctalk
opic and Off-Topic > Posts<mailto:cctalk@classiccmp.org> > Onderwerp: Re: Writing emulators (was Re: VCF PNW 2018: Pictures!) > > > > However, it is my belief (and I think others have also stated) that > > assuming infinitely fast I/O (e.g. no delays what so ever) c

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Ray Arachelian via cctalk
On 02/21/18 13:49, Ray Arachelian via cctalk wrote: > https://en.wikipedia.org/wiki/Executor_(software) > One more, I point to this because it addresses quite a lot of stuff that's needed to emulate a CPU, though you don't need to implement it this way at all.

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Ray Arachelian via cctalk
On 02/21/18 12:44, Eric Christopherson wrote: > > era, but not all.  see: https://github.com/ctm/executor.git > and > https://github.com/ctm/executor.git > - some of this is called > "High Level >

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Chuck Guzis via cctalk
For what it's worth, I differentiate "cycle correct" from "real time". That is, if you're talking about emulating non-mechanical devices, "cycle correct" emulation should be fairly straightforward, but making it "real time" (i.e. implementing an emulator such that it's indistinguishable by an

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Paul Koning via cctalk
> On Feb 21, 2018, at 1:36 PM, Adrian Stoness via cctalk > wrote: > > i dont think there is any physical hardware to test from left sept for > maybe part of the front panel and a tape drive sitting in europe in museum > and a couple random bit in some private

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Henk Gooijen via cctalk
; Onderwerp: Re: Writing emulators (was Re: VCF PNW 2018: Pictures!) On Wed, Feb 21, 2018 at 07:44:33PM +, Henk Gooijen via cctalk wrote: > > Van: Paul Koning via cctalk<mailto:cctalk@classiccmp.org> > Verzonden: woensdag 21 februari 2018 20:37 > Aan: Guy Sotomayor Jr<mailto

RE: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Henk Gooijen via cctalk
Van: Henk Gooijen via cctalk<mailto:cctalk@classiccmp.org> Verzonden: woensdag 21 februari 2018 21:20 Aan: Pontus Pihlgren<mailto:pon...@update.uu.se>; General Discussion: On-Topic and Off-Topic Posts<mailto:cctalk@classiccmp.org> Onderwerp: RE: Writing emulators (was Re: VCF

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Ethan Dicks via cctalk
On Wed, Feb 21, 2018 at 1:59 PM, Paul Koning via cctalk wrote: > If microcode is not user-changeable, or if that capability is not a core > feature, then you can easily omit it. That tends to make the job much > easier. For example, I don't know that anyone emulates the

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Paul Koning via cctalk
> On Feb 21, 2018, at 2:24 PM, Guy Sotomayor Jr wrote: > > > >> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk >> wrote: >> >> >> Caching doesn't change user-visible functionality, so I can't imagine >> wanting to emulate that. The same

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Guy Sotomayor Jr via cctalk
> On Feb 21, 2018, at 10:59 AM, Paul Koning via cctalk > wrote: > > > Caching doesn't change user-visible functionality, so I can't imagine wanting > to emulate that. The same goes for certain error handling. I've seen an > emulator that included support for bad

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Paul Koning via cctalk
> On Feb 21, 2018, at 11:19 AM, Ray Arachelian via cctalk > wrote: > > On 02/19/18 19:36, Adrian Stoness via cctalk wrote: >> whats invovled in makin an emulator? >> i have a chunk of stuff for the phillips p1000 > > Quite a lot actually. A single CPU system is

Re: Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Eric Christopherson via cctalk
On Wed, Feb 21, 2018 at 10:19 AM, Ray Arachelian via cctalk < cctalk@classiccmp.org> wrote: > On 02/19/18 19:36, Adrian Stoness via cctalk wrote: > > whats invovled in makin an emulator? > > i have a chunk of stuff for the phillips p1000 > > Quite a lot actually. A single CPU system is difficult

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Ray Arachelian via cctalk
On 02/21/18 08:16, Peter Corlett via cctalk wrote: > > A programmer of modest ability should be able to knock up a simple > switch()-based step-by-step CPU emulation in a few hours. This is analogous to > a simple microcoded CPU and the performance will suck. Yeah, please don't code this way.  Big

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Ray Arachelian via cctalk
On 02/21/18 09:41, Paul Koning via cctalk wrote: > > SIMH in principle allows the writing of cycle-accurate CPU simulators, but I > don't believe anyone has bothered. It's hard to see why that would be all > that interesting. For some CPUs, the full definition of how long > instructions take

Writing emulators (was Re: VCF PNW 2018: Pictures!)

2018-02-21 Thread Ray Arachelian via cctalk
On 02/19/18 19:36, Adrian Stoness via cctalk wrote: > whats invovled in makin an emulator? > i have a chunk of stuff for the phillips p1000 Quite a lot actually.  A single CPU system is difficult enough, but a mainframe might be much, much harder.  The idea to use an existing emulator framework,

RE: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-21 Thread Dave Wade via cctalk
org> > Subject: Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!] > > > > > On Feb 20, 2018, at 8:18 PM, Sean Conner via cctalk > <cctalk@classiccmp.org> wrote: > > > > It was thus said that the Great Eric Christopherson via cctalk once stated:

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Zane Healy via cctalk
> On Feb 19, 2018, at 6:51 AM, Noel Chiappa via cctalk > wrote: > >> From: geneb > >> they've got a DPS-8 maintenance/operator/? panel ... It's fully >> operational and is connected via some magic hardware to a Raspberry Pi >> running a Multics emulator. > >

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Peter Corlett via cctalk
On Mon, Feb 19, 2018 at 06:36:13PM -0600, Adrian Stoness via cctalk wrote: > whats invovled in makin an emulator? > i have a chunk of stuff for the phillips p1000 That depends on how accurate you want the emulation to be. A programmer of modest ability should be able to knock up a simple

Re: VCF PNW 2018: Pictures!

2018-02-21 Thread Philipp Hachtmann via cctalk
On 19.02.2018 02:52, Zane Healy via cctalk wrote: What do they have up there for Honeywell? I was looking through the pics and saw - nothing... But I also would be VERY interested about if and what Honeywell stuff they have.

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Adrian Stoness via cctalk
interesting

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Sean Conner via cctalk
It was thus said that the Great Eric Christopherson via cctalk once stated: > On Tue, Feb 20, 2018 at 5:30 PM, dwight via cctalk > wrote: > > > In order to connect to the outside world, you need a way to queue event > > based on cycle counts, execution of particular

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Charles Anthony via cctalk
On Tue, Feb 20, 2018 at 4:01 PM, Eric Christopherson via cctalk < cctalk@classiccmp.org> wrote: > On Tue, Feb 20, 2018 at 5:30 PM, dwight via cctalk > wrote: > > > In order to connect to the outside world, you need a way to queue event > > based on cycle counts, execution

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Eric Christopherson via cctalk
_ > From: cctalk <cctalk-boun...@classiccmp.org> on behalf of Pontus Pihlgren > via cctalk <cctalk@classiccmp.org> > Sent: Tuesday, February 20, 2018 11:22:32 AM > To: Adrian Stoness; General Discussion: On-Topic and Off-Topic Posts > Subject: Writing emulat

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread dwight via cctalk
From: cctalk <cctalk-boun...@classiccmp.org> on behalf of Pontus Pihlgren via cctalk <cctalk@classiccmp.org> Sent: Tuesday, February 20, 2018 11:22:32 AM To: Adrian Stoness; General Discussion: On-Topic and Off-Topic Posts Subject: Writing emulators [Was:

Re: Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Paul Koning via cctalk
> On Feb 20, 2018, at 2:22 PM, Pontus Pihlgren via cctalk > wrote: > > On Mon, Feb 19, 2018 at 06:36:13PM -0600, Adrian Stoness via cctalk wrote: >> whats invovled in makin an emulator? >> i have a chunk of stuff for the phillips p1000 > > I would say it depends a lot

Writing emulators [Was: Re: VCF PNW 2018: Pictures!]

2018-02-20 Thread Pontus Pihlgren via cctalk
On Mon, Feb 19, 2018 at 06:36:13PM -0600, Adrian Stoness via cctalk wrote: > whats invovled in makin an emulator? > i have a chunk of stuff for the phillips p1000 I would say it depends a lot on how complex your target machine is. But in essense you will have to write code for each device you

RE: VCF PNW 2018: Pictures!

2018-02-20 Thread Dave Wade via cctalk
assiccmp.org> > Subject: Re: VCF PNW 2018: Pictures! > > whats invovled in makin an emulator? > i have a chunk of stuff for the phillips p1000 > Many new emulators are either based on MAME or SIMH. There is a guide on writing a new SIMH emulator here:- http://simh.trailing-edge

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Jon Elson via cctalk
On 02/19/2018 02:26 PM, Chuck Guzis via cctalk wrote: On 02/19/2018 11:48 AM, Al Kossow via cctalk wrote: Even more to bring one back on-line, which is why it's impractical to restore in the foreseeable future. I can't even imagine the effort it would take to get a 7090 or 7094 operating again

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread Charles Anthony via cctalk
On Mon, Feb 19, 2018 at 5:02 PM, geneb via cctalk wrote: > On Mon, 19 Feb 2018, Charles Anthony wrote: > > >> >>> >>> The emulator is running on a Intel Nuc, not a PI. Also, I was one of a >> group that wrote the emulator, I can't take credit for the whole thing. >> > > I

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread geneb via cctalk
On Mon, 19 Feb 2018, Charles Anthony wrote: On Mon, Feb 19, 2018 at 6:44 AM, geneb via cctalk wrote: On Sun, 18 Feb 2018, Zane Healy via cctalk wrote: What do they have up there for Honeywell? Any DPS-8’s? I know they should have at least a box of GCOS-8 manuals

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread Adrian Stoness via cctalk
whats invovled in makin an emulator? i have a chunk of stuff for the phillips p1000 On Mon, Feb 19, 2018 at 5:57 PM, Charles Anthony via cctalk < cctalk@classiccmp.org> wrote: > On Mon, Feb 19, 2018 at 6:44 AM, geneb via cctalk > wrote: > > > On Sun, 18 Feb 2018, Zane

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread Charles Anthony via cctalk
On Mon, Feb 19, 2018 at 6:44 AM, geneb via cctalk wrote: > On Sun, 18 Feb 2018, Zane Healy via cctalk wrote: > > What do they have up there for Honeywell? Any DPS-8’s? I know they >> should have at least a box of GCOS-8 manuals (in hindsight, the only >> manuals I regret

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Chuck Guzis via cctalk
On 02/19/2018 11:48 AM, Al Kossow via cctalk wrote: > Even more to bring one back on-line, which is why it's impractical > to restore in the foreseeable future. I can't even imagine the effort it would take to get a 7090 or 7094 operating again using volunteer labor. --Chuck

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Al Kossow via cctalk
Even more to bring one back on-line, which is why it's impractical to restore in the foreseeable future. On 2/19/18 10:25 AM, Jon Elson via cctalk wrote: >> A 7094? Neat! Very historic machine. >> >> > Gotta have a LOT of space to house one of those! > > Jon

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Jon Elson via cctalk
On 02/19/2018 08:45 AM, Noel Chiappa via cctalk wrote: > From: Al Kossow >> On 2/18/18 12:20 PM, Brent Hilpert via cctalk wrote: >> ... his 709 went to the CHM. Anything else of the big stuff? > the 7094 and 650 A 7094? Neat! Very historic machine. Gotta have a LOT of

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Al Kossow via cctalk
On 2/19/18 6:45 AM, Noel Chiappa via cctalk wrote: > I wonder if it would be possible to fabricate the extras needed to run CTSS No point, because we aren't going to restore it.

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread Noel Chiappa via cctalk
> From: geneb > they've got a DPS-8 maintenance/operator/? panel ... It's fully > operational and is connected via some magic hardware to a Raspberry Pi > running a Multics emulator. Technically it's an H6180; the DPS-8 is a later generation of hardware in the same family. More

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-19 Thread Noel Chiappa via cctalk
> From: Al Kossow >> On 2/18/18 12:20 PM, Brent Hilpert via cctalk wrote: >> ... his 709 went to the CHM. Anything else of the big stuff? > the 7094 and 650 A 7094? Neat! Very historic machine. I wonder if it would be possible to fabricate the extras needed to run CTSS on

Re: VCF PNW 2018: Pictures!

2018-02-19 Thread geneb via cctalk
On Sun, 18 Feb 2018, Zane Healy via cctalk wrote: What do they have up there for Honeywell? Any DPS-8’s? I know they should have at least a box of GCOS-8 manuals (in hindsight, the only manuals I regret sending up there). Zane, they've got a DPS-8 maintenance/operator/? panel sitting right

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Evan Koblentz via cctalk
the one at MARCH on loan. there are supposed to be more in DC That's what I alluded to in my reply, just didn't give the location... yes the owner has a few more. Anyone who is a serious buyer () can contact me privately and I will put you in contact with the seller. But yes, the one

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Cory Heisterkamp via cctalk
On Feb 18, 2018, at 1:53 PM, Brent Hilpert via cctalk wrote: > > Paul Pierce has a G-15: > http://www.piercefuller.com/collect/bendix/index.html > > Or he did, ca 2001. > > I would so like to be restoring a tube computer. > > How is Cory's LGP-30 project going, if he's reading?

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Zane Healy via cctalk
> On Feb 18, 2018, at 3:29 PM, Angelo Papenhoff via cctalk > wrote: > > On 17/02/18, Michael Brutman via cctalk wrote: >> For your viewing pleasure ... >> >> https://photos.app.goo.gl/QPfZ4WXPdIdUo5gn2 > > Thanks! > > I'm a bit late to the party but I just added a

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Zane Healy via cctalk
I’m typing this on a Late-2010 Mac Pro. That was exactly what I thought when I saw that photo. I really hope the next model is worth owning, as I’ve seen zero reason to upgrade to a Trashcan. Zane > On Feb 18, 2018, at 3:16 PM, Al Kossow via cctalk > wrote: > >

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Steve Malikoff via cctalk
Gene said > Here's another pile of photos. These are mostly of the basement and 3rd > floor storage areas. > > https://imgur.com/a/ti86K > > g. So it's true. The Mod 40 really was damaged and the console lever tips misplaced during their acquisition of it. I had had it on my bucket list to see

Re: Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Ed Sharpe via cctalk
although we have phillips  broadcast  gear! Love our  LDK-20 camera and camera chains!   Ed#  www.smecc.org      In a message dated 2/18/2018 4:38:22 PM US Mountain Standard Time, cctalk@classiccmp.org writes:   not allot of phillips stuff in north amarica is there? On Sun, Feb 18, 2018 at

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Adrian Stoness via cctalk
not allot of phillips stuff in north amarica is there? On Sun, Feb 18, 2018 at 5:29 PM, Angelo Papenhoff via cctalk < cctalk@classiccmp.org> wrote: > On 17/02/18, Michael Brutman via cctalk wrote: > > For your viewing pleasure ... > > > > https://photos.app.goo.gl/QPfZ4WXPdIdUo5gn2 > > Thanks! >

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Angelo Papenhoff via cctalk
On 17/02/18, Michael Brutman via cctalk wrote: > For your viewing pleasure ... > > https://photos.app.goo.gl/QPfZ4WXPdIdUo5gn2 Thanks! I'm a bit late to the party but I just added a bunch of photos to it. I had to contain myself not to add all the PDP-5,6,7,10 photos :) All of my photos from

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Al Kossow via cctalk
would have been funnier if it said Mac Pro https://www.apple.com/mac-pro/ On 2/18/18 3:14 PM, alan--- via cctalk wrote: > > Who's exhibit was this?  And did it win best in show? > > https://www.atlhcs.org/wp-content/uploads/2018/02/0211181006-e1518571107250-768x1024.jpg

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread alan--- via cctalk
Who's exhibit was this? And did it win best in show? https://www.atlhcs.org/wp-content/uploads/2018/02/0211181006-e1518571107250-768x1024.jpg -Alan On 2018-02-17 21:55, Michael Brutman via cctalk wrote: For your viewing pleasure ... https://photos.app.goo.gl/QPfZ4WXPdIdUo5gn2 -Mike

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Evan Koblentz via cctalk
Wow, even a Bendix G-15 in there (although with Control Data logo). Nope, look again, there are two :-) Actually they have three. The last time I checked, the remaining inventory was: - Smithsonian (S/N 1) - CHM (on static display) - these 2 - the one at MARCH - a University in

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread geneb via cctalk
Here's another pile of photos. These are mostly of the basement and 3rd floor storage areas. https://imgur.com/a/ti86K g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.diy-cockpits.org/coll - Go Collimated or Go Home. Some people collect things

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Al Kossow via cctalk
the 7094 and 650 On 2/18/18 12:20 PM, Brent Hilpert via cctalk wrote: > On 2018-Feb-18, at 11:57 AM, Al Kossow via cctalk wrote: >> On 2/18/18 11:53 AM, Brent Hilpert via cctalk wrote: >> >>> Paul Pierce has a G-15: >>> http://www.piercefuller.com/collect/bendix/index.html >>> >>> Or

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Fred Cisin via cctalk
What an amazing selection of hardware and software (people). "wetware"

Re: VCF PNW 2018: Pictures!

2018-02-18 Thread Pontus Pihlgren via cctalk
*gasp* Is that a PDP-6 front panel. I assume it's the one from wireless hill that found it's way there. /P On Sat, Feb 17, 2018 at 06:55:09PM -0800, Michael Brutman via cctalk wrote: > For your viewing pleasure ... > > https://photos.app.goo.gl/QPfZ4WXPdIdUo5gn2 > > > -Mike

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Brent Hilpert via cctalk
On 2018-Feb-18, at 11:57 AM, Al Kossow via cctalk wrote: > On 2/18/18 11:53 AM, Brent Hilpert via cctalk wrote: > >> Paul Pierce has a G-15: >> http://www.piercefuller.com/collect/bendix/index.html >> >> Or he did, ca 2001. > > Paul donated it to CHM > >

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Mark Linimon via cctalk
On Sun, Feb 18, 2018 at 11:55:04AM -0800, Josh Dersch via cctalk wrote: > Small correction: there are three -- two upstairs, one in the basement (with > CDC badging) :) Well, get to work guys, I'd like to be able to sit at the IBM typewriter one more time, just for old time's sake :-) May I ask

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread William Donzelli via cctalk
I will just leave this link right here... https://www.youtube.com/user/uniservo Thanks... -- Will On Sun, Feb 18, 2018 at 2:30 PM, Mark Linimon via cctalk wrote: > On Sun, Feb 18, 2018 at 01:04:38PM -0600, Jon Elson via cctalk wrote: >> Wow, even a Bendix G-15 in there

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Al Kossow via cctalk
On 2/18/18 11:53 AM, Brent Hilpert via cctalk wrote: > Paul Pierce has a G-15: > http://www.piercefuller.com/collect/bendix/index.html > > Or he did, ca 2001. Paul donated it to CHM http://www.computerhistory.org/collections/catalog/102728118

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Josh Dersch via cctalk
On 2/18/2018 11:30 AM, Mark Linimon via cctalk wrote: On Sun, Feb 18, 2018 at 01:04:38PM -0600, Jon Elson via cctalk wrote: Wow, even a Bendix G-15 in there (although with Control Data logo). Nope, look again, there are two :-) Small correction: there are three -- two upstairs, one in the

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Brent Hilpert via cctalk
On 2018-Feb-18, at 11:30 AM, Mark Linimon via cctalk wrote: > On Sun, Feb 18, 2018 at 01:04:38PM -0600, Jon Elson via cctalk wrote: >> Wow, even a Bendix G-15 in there (although with Control Data logo). > > Nope, look again, there are two :-) > >> Talk about a restoration project!!! > > AFAIK

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Al Kossow via cctalk
On 2/18/18 11:30 AM, Mark Linimon via cctalk wrote: > My G-15 website is pretty stale but here it is: > > http://www.obscurecomputers.org/g15/index.html and as far as I know, Paul Pierce still has the CDC users group paper tapes it didn't come with his G-15 afaik

Re: Bendix G-15 [was: Re: VCF PNW 2018: Pictures!]

2018-02-18 Thread Al Kossow via cctalk
On 2/18/18 11:30 AM, Mark Linimon via cctalk wrote: > - the one at MARCH on loan. there are supposed to be more in DC

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