PDP-11/23 system for sale in Portland Oregon

Hi, Pictures can be found here: http://sierracircuitdesign.ddns.net/temp/pdp11/ The system is located in Portland, Oregon. Local pick-up is preferred. Not sure if it still works. I have not tried to turn it on in years. I do not have any software of floppies for it. I'm not sure what it's worth.

Re: PDP-11/23 system for sale in Portland Oregon

On Sat, Oct 8, 2016 at 11:31 AM, Scott Baker wrote: > Hi, > > Pictures can be found here: http://sierracircuitdesign.ddns.net/temp/pdp11/ > > The system is located in Portland, Oregon. Local pick-up is preferred. > Not sure if it still works. I have not tried to turn it on in years. > I do not hav

PDP-11/23 System available for sale in Bedford, NH

Hello all, I have my PDP-11/23 system for sale in Bedford, NH. Please see this message thread at VCFED.ORG for my description: http://www.vcfed.org/forum/showthread.php?54193-FS-Clean-fully-working-PDP-11-23-system

large Wire wrap cards

I picked up 3 of these a while back, I am unsure of what kind of machine they go to. The plan was to use them to prototype on, but then I found some even better wire wrap boards and set these aside. I did not want to have to go through getting all the wire off of them. They are up for sale or trad

Re: large Wire wrap cards

They look like Multibus (I).

Re: large Wire wrap cards

On 10/9/2016 2:22 PM, devin davison wrote: I picked up 3 of these a while back, I am unsure of what kind of machine they go to. The plan was to use them to prototype on, but then I found some even better wire wrap boards and set these aside. I did not want to have to go through getting all the

Re: large Wire wrap cards

On 2016-Oct-09, at 2:22 PM, devin davison wrote: > I picked up 3 of these a while back, I am unsure of what kind of machine > they go to. The plan was to use them to prototype on, but then I found some > even better wire wrap boards and set these aside. I did not want to have to > go through gettin

Re: large Wire wrap cards

On 10/09/2016 03:58 PM, Brent Hilpert wrote: > Exactly what machine they came out of, who knows, but the two > different-sized card edge connectors and the power supply pinout > would suggest they are Multibus boards. Agreed. --Chuck

Re: cctech Digest, Vol 28, Issue 4

> > > -- > > > > Message: 1 > > Date: Sat, 8 Oct 2016 11:31:29 -0700 > > From: Scott Baker > > To: cct...@classiccmp.org > > Subject: PDP-11/23 system for sale in Portland Oregon > > Message-ID: > > > gmail.com> > > Conte

Re: cctech Digest, Vol 28, Issue 4

I'm interested! I'm down in California and I also have no idea what it's worth, I'm new to the PDP scene. On Oct 9, 2016 10:00 AM, wrote: > Send cctech mailing list submissions to > cct...@classiccmp.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://www.

SCSI Tape Emulator

Folks, I am "playing" with a small VAX and want to install software onto it, some of which are in SIMH ".tap" format files. I was thinking it would be nice to have a SCSI Tape emulator that worked a bit like the USB floppy emulators that are about. So it would plug into the SCSI bus and allow ".T

Re: New acquisition. Ploycorp Poly 1. New Zealand school computer

On 2016-10-08 22:33, Terry Stewart wrote: Hi guys, In case anyone is interested... http://www.classic-computers.org.nz/blog/2016-10-9-poly-acquisition.htm This could have been the BBC of New Zealand schools... (-: Terry (Tez) Thank-you for this; it brings back some memories. I visited Welli

Re: SCSI Tape Emulator

This would be a quite useful device, not only for SCSI, but for other interfaces also. > Am 10.10.2016 um 11:06 schrieb Dave Wade : > > Folks, > > I am "playing" with a small VAX and want to install software onto it, some > of which are in SIMH ".tap" format files. I was thinking it would be ni

Re: SCSI Tape Emulator

On Oct 10, 2016 10:06 PM, "Dave Wade" wrote: > > Folks, > > I am "playing" with a small VAX and want to install software onto it, some > of which are in SIMH ".tap" format files. I was thinking it would be nice to > have a SCSI Tape emulator that worked a bit like the USB floppy emulators > that a

RE: SCSI Tape Emulator

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mike Ross > Sent: 10 October 2016 11:07 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: SCSI Tape Emulator > > On Oct 10, 2016 10:06 PM, "Dave Wade" wrote: > > > > Folks, > >

Re: SCSI Tape Emulator

> I am "playing" with a small VAX and want to install software onto it, some > of which are in SIMH ".tap" format files. I was thinking it would be nice to > have a SCSI Tape emulator that worked a bit like the USB floppy emulators > that are about. It would be nice! Not the same, but there is a p

Re: SCSI Tape Emulator

On 2016-10-10 12:07, Mike Ross wrote: Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? Did anybody try if it works on a VAX? The SCSI2SD is the only one whioch I didn't try, now the newer version is out, and should even be faster. But didn't have the time to try. And,

Re: Twiggys [was: Re: ka... ching!]

On Sun, Oct 9, 2016 at 6:07 PM, Brad H wrote: > > > Original message > From: "Ian S. King" > Date: 2016-10-09 5:08 PM (GMT-08:00) > To: "General Discussion: On-Topic and Off-Topic Posts" < > cctalk@classiccmp.org> > Subject: Re: Twiggys [was: Re: ka... ching!] > > On Sun, Oct

Re: SCSI Tape Emulator

On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > > Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > > I am not sure, it looks there is some code in there for tape but its very > minimal. > In addition there are no interfaces on the card to select the ".tap" file > to b

Re: SCSI Tape Emulator

On 10/10/2016 8:24 AM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? I am not sure, it looks there is some code in there for tape but its very minimal. In addition there are no interfaces on t

Re: SCSI Tape Emulator

> On Oct 10, 2016, at 11:24 AM, Charles Anthony > wrote: > > On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > >>> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? >> >> I am not sure, it looks there is some code in there for tape but its very >> minimal. >> In addit

Re: Twiggys [was: Re: ka... ching!]

On Sat, Oct 8, 2016 at 8:42 PM, Chuck Guzis wrote: > On 10/08/2016 06:13 PM, TeoZ wrote: > > > > Everybody has something they do to chill out, some drink or jog, or > > play games. > > Certainly, but playing computer games after a hard day in front of the > number-cruncher seems like a terrible w

Re: Twiggys [was: Re: ka... ching!]

On Sun, Oct 9, 2016 at 4:00 PM, Mouse wrote: > To a point, perhaps. But some of the old games were just _good_. My > own favourite is Tempest, one of the few colour vector games. 24 > _kilo_bytes for the entire game, and it's still one of the most > engaging games I've ever played. > Ooh! Me

Re: SCSI Tape Emulator

On Oct 11, 2016 3:48 AM, "emanuel stiebler" wrote: > > On 2016-10-10 12:07, Mike Ross wrote: > >> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > > > Did anybody try if it works on a VAX? > The SCSI2SD is the only one whioch I didn't try, now the newer version is out, and

Re: SCSI Tape Emulator

On Mon, Oct 10, 2016 at 10:23 AM, Paul Koning wrote: > > > On Oct 10, 2016, at 11:24 AM, Charles Anthony < > charles.unix@gmail.com> wrote: > > > > On Mon, Oct 10, 2016 at 4:51 AM, Dave Wade wrote: > > > >>> Would it not be a SMOP to get a SCSI2SD device to emulate a tape drive? > >> > >> I

Re: SCSI Tape Emulator

Don't tape emulator boxes already exist, both for SCSI and Pertec interfaces? It seems to me that I've seen a few. --Chuck

Re: Twiggys [was: Re: ka... ching!]

On 10/10/2016 11:32 AM, Geoffrey Oltmans wrote: > Apologies for saying this, but it almost sounds like to me that you > are validating their "no mainframe programmers wanted" stance. ;) Not really--it seems to me that a great deal of early work with microprocessors was successfully done by mainf

Chip info reqd: MR9736-002 CRT controller?

Hi folks, The restoration of the STC Executel 3910 I mentioned the other day continues with picture help from another collector who bought one at the same time I did. I've got it powering up and the tiny monitor is trying to display something but the horizontal hold has gone so I'm suspecting dr

Re: Twiggys [was: Re: ka... ching!]

On 10/10/2016 1:03 PM, Chuck Guzis wrote: On 10/10/2016 11:32 AM, Geoffrey Oltmans wrote: Apologies for saying this, but it almost sounds like to me that you are validating their "no mainframe programmers wanted" stance. ;) Not really--it seems to me that a great deal of early work with mic

Re: Twiggys [was: Re: ka... ching!]

On 10/10/2016 01:21 PM, jim stephens wrote: > If you are talking about the arcade operation here in this thread, > that was separate from the programming staff for the consoles. This would have been about 1974, so probably arcade stuff. As a matter of fact, I recall the job adverts from Atari i

Re: Twiggys [was: Re: ka... ching!]

On Mon, Oct 10, 2016 at 2:21 PM, jim stephens wrote: > One thing you got on the 2600, was almost nothing to do your programming on. > There was the rom with lots of code space, but there was I think either 256 > or 512 bytes of ram total, and 1/2 of it was owned by the "system" such as > it was.

Re: Twiggys [was: Re: ka... ching!]

On Sat, Oct 8, 2016 at 6:13 PM, Corey Cohen wrote: > Actually a lot of late 70's and early 80's computers were bought by a lot of > ham radio guys for their setups. > > The only people I knew in the late 70's or early 80's doing "Business" things > at home with personal computers were doing word

Re: Twiggys [was: Re: ka... ching!]

On Sun, Oct 9, 2016 at 2:37 PM, Fred Cisin wrote: > Douglas Adams was instrumental in a few games. > But, somebody once asked him what he most liked to play with on his Mac. He > said The Desktop. It's like "Hunt the Wumpus" but with no Wumpus... -ethan

Re: Twiggys [was: Re: ka... ching!]

On 10/10/2016 1:29 PM, Chuck Guzis wrote: On 10/10/2016 01:21 PM, jim stephens wrote: If you are talking about the arcade operation here in this thread, that was separate from the programming staff for the consoles. This would have been about 1974, so probably arcade stuff. As a matter of

Re: Twiggys [was: Re: ka... ching!]

On 10/10/2016 1:38 PM, Ethan Dicks wrote: On Sun, Oct 9, 2016 at 2:37 PM, Fred Cisin wrote: Douglas Adams was instrumental in a few games. But, somebody once asked him what he most liked to play with on his Mac. He said The Desktop. It's like "Hunt the Wumpus" but with no Wumpus... -ethan

Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

On Sun, Oct 9, 2016 at 4:58 AM, Peter Corlett wrote: > Find better games :) > > The theme of this list means that I should recommend some retro games and > gaming systems... I am actively seeking lists of favorite games on all platforms prior to 1995. Specifically, things that require Windows an

RE: SCSI Tape Emulator

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis > Sent: 10 October 2016 20:57 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: SCSI Tape Emulator > > Don't tape emulator boxes already exist, both for SCSI and P

VCF Midwest 11 Videos!

I am pleased to announce that the full lot of speaker videos from this year's Vintage Computer Festival Midwest have been posted to our YouTube channel. There is a play list of this year's videos here: https://www.youtube.com/playlist?list=PLE-Iywr9LQESedwj_46tFIaPoyrUf-mHs In addition to the fi

Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

Would anyone care to donate floppy disk flux-transition images for use in development of utility software and for regression-testing the same? It would be much appreciated. Images from "normal" floppy formats (IBM FM and MFM, e.g., TRS-80, IBM PC, or almost anything using 177x/179x/279x or 765/827

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

Anyone know how you can locate a Discferret and Catweasel? Sent from my iPhone > On Oct 10, 2016, at 4:08 PM, Eric Smith wrote: > > Would anyone care to donate floppy disk flux-transition images for use > in development of utility software and for regression-testing the > same? It would be mu

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

I have a pile of RX50 images at http://yahozna.dyndns.org/scratch/VAX8200/ in SCP format if that helps... - Josh On Mon, Oct 10, 2016 at 2:08 PM, Eric Smith wrote: > Would anyone care to donate floppy disk flux-transition images for use > in development of utility software and for regression-t

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

I see a CW 4 and Discferret sitting on my bench, along with a Supercard Pro. I've got a dead CW 3 and a working one ..somewhere that I wanted to do A/B comparisons with. Eric, I had been trying to find time to set up the diskferret, since that was what you originally asked for, but I can more ea

Re: SCSI Tape Emulator

On Mon, Oct 10, 2016 at 2:02 PM, Dave G4UGM wrote: > >> Don't tape emulator boxes already exist, both for SCSI and Pertec >> interfaces? It seems to me that I've seen a few. >> >> --Chuck > > Do you have any links, I couldn't turn any up? > Are they affordable? Sure, they exist. Can you actuall

Re: SCSI Tape Emulator

On 10/10/2016 02:02 PM, Dave G4UGM wrote: > Do you have any links, I couldn't turn any up? Are they affordable? Only an echo of a name rattling around in my brainpan--AVAX. Maybe a google search will turn up something. --Chuck

Re: SCSI Tape Emulator

"9-track tape emulator" brings up the usual suspects on G they are ~10k dollar devices. http://www.arraid.com/ et. al. On 10/10/16 3:27 PM, Chuck Guzis wrote: > On 10/10/2016 02:02 PM, Dave G4UGM wrote: > >> Do you have any links, I couldn't turn any up? Are they affordable? > > > Only an e

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

Surely someone can come up with a VideoBrain. Dwight From: cctalk on behalf of Ethan Dicks Sent: Monday, October 10, 2016 1:56:40 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

ISO Figure from ENIAC Technical Manual

I know this is a very long shot, but I'm looking for Figure 6-13 from the Part I Technical Manual on the ENIAC by Adele Goldstine. In the table of tables at the front of the manual, this table is one of three listed as "in an envelope attached to the back cover." Neither the scan on archive.org, no

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

On Mon, Oct 10, 2016 at 6:34 PM, dwight wrote: > Surely someone can come up with a VideoBrain. I have heard of the VideoBrain, but I have never seen one in person. Excellent suggestion should one turn up, though I doubt it would trigger much nostalgia in most attendees - fascination, surely, but

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

On Oct 10, 2016 3:33 PM, "Josh Dersch" wrote: > I have a pile of RX50 images at http://yahozna.dyndns.org/scratch/VAX8200/ > in SCP format if that helps... Thanks! I'm not familiar with SCP, but if the file format is documented, I'll add support for it to fluxtoimd.

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

http://www.computerhistory.org/collections/catalog/102743371 I was just wondering where that went. On 10/10/16 3:46 PM, Ethan Dicks wrote: > On Mon, Oct 10, 2016 at 6:34 PM, dwight wrote: >> Surely someone can come up with a VideoBrain. > > I have heard of the VideoBrain, but I have never seen

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

On Oct 10, 2016 3:41 PM, "Al Kossow" wrote: > Do you have a prefered CW transition image format? No preference, as I haven't dealt with them at all yet.

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

Hi Eric, I am a newbie to Kryoflux (it just arrived this past Friday) but I did manage to set it up and try a couple of regular disks. The following link is to my Victor 9000 CP/M-86 boot disk, if I did it correctly. I also included the log file. http://vintagecomputer.ca/download/victor_9000/C

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

“Starfleet Orion” and “invasion Orion”. Hot-seat 2-player and solitaire, respectively, written for the TRS-80 in basic so should adapt to other “dumb” terminal displays reasonably easily. 2-d movement, enter orders then stand back to see how the turn plays out. You get to design your own stars

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

You haven't actually decoded it, you've just captured flux changes. How do you know what is there is actually correct? I'm also puzzled when you refer to "IMD" Dave Dunfield's utility? That won't work on a Victor 9000 disk On 10/10/16 4:12 PM, Santo Nucifora wrote: > http://vintagecomputer.ca/do

Re: SCSI Tape Emulator

Something new: http://embedded-computing.com/news/launch-scsiflash-tape-replacement-obsolete-end-of-life-tape-drives/ but no price listed. Not targeted at the classic computing hobbyist, so probably going to be expensive. On 10/10/2016 3:34 PM, Al Kossow wrote: "9-track tape emulator" bring

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

On Mon, 10 Oct 2016, Ethan Dicks wrote: I am actively seeking lists of favorite games on all platforms prior to 1995. ... If you've played anything in the past 3 years, I'd especially like to hear about it since that speaks to enjoyment and replayability. If you like it, someone here will

Re: SCSI Tape Emulator

brochure http://www.ssd.gb.com/SCSIFlash/SCSIFlash-Tape/SCSIFlash-Tape%E2%84%A2.pdf On 10/10/16 4:25 PM, Don North wrote: > > Something new: > http://embedded-computing.com/news/launch-scsiflash-tape-replacement-obsolete-end-of-life-tape-drives/ > but no price listed. > Not targeted at the clas

RE: SCSI Tape Emulator

From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM > Details: The .tap format is a series of tape records; each record is > stored as a 2 byte byte count, the data (sometimes rounded to an even > number of bytes), and a repeat of the 2 byte byte count. This format > supports the basic t

Re: SCSI Tape Emulator

http://www.reactivedata.com/Products/SCSI_Bridge_Emulators_to_CF/imgs/SCSI(LRG).JPG This looks like another (german) product. Will keep digging. On 10/10/16 4:49 PM, Al Kossow wrote: > brochure > http://www.ssd.gb.com/SCSIFlash/SCSIFlash-Tape/SCSIFlash-Tape%E2%84%A2.pdf > > > On 10/10/16 4:25

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

On Mon, Oct 10, 2016 at 7:22 PM, Al Kossow wrote: > You haven't actually decoded it, you've just captured flux changes. > If I am not mistaken, I thought that's what Eric was requesting in his original message. > How do you know what is there is actually correct? > I don't because I am new to

Re: SCSI Tape Emulator

On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: > From: Charles Anthony > Sent: Monday, October 10, 2016 12:53 PM > > > Correction: .tap format uses 4 byte counters, in little-endian order. > Order is not relevant for the EOF tape marks, of course, since th

Re: Any Kryoflux, Discferret, Catweasel, or other floppy flux images wanted

On Mon, Oct 10, 2016 at 7:22 PM, Al Kossow wrote: You haven't actually decoded it, you've just captured flux changes. On Mon, 10 Oct 2016, Santo Nucifora wrote: If I am not mistaken, I thought that's what Eric was requesting in his original message. Yes, I believe that what Eric is working

Re: SCSI Tape Emulator

On 10/10/16 5:40 PM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM Correction: .tap format uses 4 byte counters, in little-endian order. Order is not relevant for t

Re: SCSI Tape Emulator

On Oct 10, 2016, at 6:11 PM, Josh Dersch wrote: > >> On 10/10/16 5:40 PM, Charles Anthony wrote: >> >> On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < >> ri...@livingcomputermuseum.org> wrote: >> >>> From: Charles Anthony >>> Sent: Monday, October 10, 2016 12:53 PM >>> >>> >>> Correction: .

Re: SCSI Tape Emulator

On 10/10/16 6:19 PM, Chris Hanson wrote: On Oct 10, 2016, at 6:11 PM, Josh Dersch wrote: On 10/10/16 5:40 PM, Charles Anthony wrote: On Mon, Oct 10, 2016 at 4:49 PM, Rich Alderson < ri...@livingcomputermuseum.org> wrote: From: Charles Anthony Sent: Monday, October 10, 2016 12:53 PM Correc

Re: Gaming on old systems (was Re: Twiggys [was: Re: ka... ching!])

On Oct 10, 2016 7:43 PM, "Jason Howe" wrote: > > > > On Mon, 10 Oct 2016, Ethan Dicks wrote: > >> >> I am actively seeking lists of favorite games on all platforms I recently got a Pocket c.h.i.p and installed MAMe, VICE, etc onto it so I'd have just about any game I ever wanted on a small handh