test-drb October 2016

test-drb@ccmp.vtda.org

203 participants
312 discussions

by vintagecomputer＠bettercomputing.net

I get hit by that every couple of weeks. ?I still have no idea what a 'bounce' is or what I'm doing or not doing to cause it to drop me. ?Kind of frustrating because it just drops me and then I miss chunks of conversations I'm watching. Sent from my Samsung device -------- Original message -------- From: Curious Marc <curiousmarc3 at gmail.com> Date: 2016-10-22 2:42 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: Re: OT: Excessive bounce notices? Got the excess bounce warning and membership disabled too. Just clicked the link on the message to re-enable myself. Hopefully it worked, since I'm still here... Marc > On Oct 22, 2016, at 9:22 AM, Liam Proven <lproven at gmail.com> wrote: > >> On 22 October 2016 at 17:27, Adrian Graham <witchy at binarydinosaurs.co.uk> wrote: >> Ditto, and ditto. I also thought it was due to the dyndns attack so just >> resubbed after emailing Jay, but if everyone did that who got an excessive >> bounce message the poor chap will have quite a full inbox. > > Yes, me too. > > -- > Liam Proven ? Profile: http://lproven.livejournal.com/profile > Email: lproven at cix.co.uk ? GMail/Twitter/Facebook/Flickr: lproven > Skype/MSN: lproven at hotmail.com ? LinkedIn/AIM/Yahoo: liamproven > Cell/Mobiles: +44 7939-087884 (UK) ? +420 702 829 053 (?R)

7 years, 5 months

HP 9826A on Epay

by hp-fix＠xs4all.nl

I was jusy crawling ePay and found this one. For who is interested, about one hour left, 1 bid $100,- at this moment. I'm not the seller or affiliated with him or her. http://www.ebay.com/itm/HP-9826-Hewlett-Packard-With-Catalog-parts-Or-Repair -Only-/172369586516 <http://www.ebay.com/itm/HP-9826-Hewlett-Packard-With-Catalog-parts-Or-Repai r-Only-/172369586516?hash=item2822072954:g:NPMAAOSwmLlX8XkP> -Rik

7 years, 5 months

It's BASIC Week again!

by fozztexx＠fozztexx.com

I do a regular contest on RetroBattlestations called BASIC Week which is a sort of tribute to the days when it was common for programs to be published in books and magazines and people would type them into their computers. One of the neat things about distributing software through type-in listings is that there?s no need for working disk drives or tape drives, or to do complicated things like get a serial connection working and find a way to transfer files. If a computer has built-in BASIC just turn it on and start typing! Past programs have displayed vector graphics, silly text screen animations, and a couple of games. This time around the program is called Winchester Drive and the concept is to explore a mansion to see what you can find. I decided this time around to try out true sprites and made a version for both the Apple II and Commodore 128. I wanted to do a Commodore 64 version but couldn't find any line drawing routines written in assembly anywhere! I thought for sure in the last 33 years some book or magazine somewhere would have written a couple of simple routines to clear the graphics screen and draw some lines that you could POKE in and then call with SYS. Oh well, I will leave the C64 version to someone else. :-) The challenge is more about honor and glory and getting an excuse to show off old computers and/or skills with porting, but I do give out vinyl decals & stickers for prizes (http://imgur.com/a/iAS5T). I know that the TI-99/4A, Atari 400/800, Coleco Adam, MSX, and maybe some others also had sprites. Sprites aren?t really needed for porting to other systems, they?re just an easy way to move the player around the screen. The program could definitely be ported to systems that use simple character graphics or even plain text screens. The complete source code has been posted to github, and you can see the full rules and check out other submissions here: https://redd.it/3ko0nd -- Follow me on twitter: @FozzTexx Check out my blog: http://insentricity.com

7 years, 5 months

Sage II

by emu＠e-bbes.com

Hi all, finally found myself a SAGE II. (no software) Anybody could help me out with the floppies for it? Was there a kermit version for it? Cheers & thanks

7 years, 5 months

Analogue monitor board repair

by witchy＠binarydinosaurs.co.uk

Folks, I think I know the answer to this before I even ask, and that answer will be 'got a schematic' to which the answer's 'no and I doubt one exists any more' but... My recent Executel addition has a 5" screen with associated analogue board that seems to be powered from a display chip I can't find any info on, and at least one of the adjustment potentiometers has suffered metal fatigue and broken: http://www.binarydinosaurs.co.uk/STCExecutelScreenPot.jpg http://www.binarydinosaurs.co.uk/STCExecutelAnalogueBoard.jpg http://www.binarydinosaurs.co.uk/STCExecutelDisplayChip.jpg I've replaced it with a seemingly common 10K modern part that I had in my spares box but it's unknown whether the display worked at all prior to it being put in very damp storage, also the rating of the failed pot isn't known but the capacitor next to it is 50V. I've also removed, checked and replaced out of spec capacitors, one of them was a 680nF 50V radial. I could only find a 63V PET version on cpc's website and did much reading on differing capacitor types, concluding that it SHOULD be OK. Power supply is known good because it's one of my working ones, the original is still dead. Hence the question - am I wasting my time without a schematic for this analogue board? Cheers! -- Adrian/Witchy Binary Dinosaurs creator/curator Www.binarydinosaurs.co.uk - the UK's biggest private home computer collection?

7 years, 5 months

What hardware runs 2BSD (was Re: For sale 128K Core RAM Industrial PDP 11/40 Massbus System)

by ethan.dicks＠gmail.com

On Mon, Oct 31, 2016 at 11:11 AM, emanuel stiebler <emu at e-bbes.com> wrote: > On 2016-10-31 08:48, Ethan Dicks wrote: > >> One of the great recent updates was backporting the MSCP driver from >> 2.11 to 2.9. That opens up KDF11 MicroPDP-11s to running 2.9 with an >> RQDX3. Prior to that availability, one needed an RLV12 or other Qbus >> disk controller for that platform. > > I missed that :( About 15 years ago, Jonathan Engdahl backported the MSCP driver to 2.9BSD... > more details? First hit: http://home.windstream.net/engdahl/2_9bsd-mscp.htm -ethan

7 years, 5 months

Reasonable price for a complete SOL-20 system?

by james＠attfield.co.uk

> From: "Mike Stein" <mhs.stein at gmail.com> > Subject: Re: Reasonable price for a complete SOL-20 system? > Message-ID: <B1054C1D081C4DB9881083349D0D5B64 at 310e2> > Content-Type: text/plain; charset="iso-8859-1" > > > Any chance you still have a copy of that CP/M port buried somewhere? > We're sort of collecting the various Cromemco ports and emulators. > Sorry Mike, I didn't think so but went through my diskettes anyway and no go - all CDOS. I do believe that there was a Cromemco CP/M in the Don Maslim archives and another in the classicmp Dave Dunfield archives here http://www.classiccmp.org/dunfield/img54306/system.htm. If all else fails, I have found a CROMCPM.TD0 file in my archives which is Teledisk format and is 607Kb but I don't have a functional Teledisk at the moment so can't tell what it represents. I'm not sure of the source but would be happy to forward it to someone with a functional Teledisk, or Dave Dunfield's converter from TD0 to his IMD ImageDisk format. James

7 years, 5 months

Gould 32/77 (was: NWA auctions)

by rickb＠bensene.com

> I'm curious what the Systems 32/77 is.. >Wasn't Gould SEL? maybe an SEL system? The 32/77-series was a 32-bit machine implemented in ECL, based on earlier SEL designs, but is definitely Gould in design/manufacture. Some of the machines in the series had a very powerful (for the time) floating point unit (known as the IPU) that operated in tandem with the main CPU that vastly increased the number-crunching power available The machines were mainly intended for real-time control applications (as used in the flight sim applications in the auction) The machine ran a real-time executive called MPX-32. More information: http://www.encore-support.com/htmls/32_77.htm Years ago, I had some experience with these machines. They were quite powerful for their time, and were also workhorses that just ran and ran. Very robust design. These are neat machines, and I hope that they end up in the hands of someone that can care for them rather than ending up scrap. -- Rick Bensene The Old Calculator Museum http://oldcalculatormuseum.com

7 years, 5 months

Looking for info on a CAMAC module - Kinetic 3912 Unibus Crate Controller

by pete＠petelancashire.com

Over the years I've played around with a few old CAMAC (*) modules, by today's standard they pretty much have zero value, anyway that's another story. Recently I've been offered a CAMAC to Unibus board. A Kinetic 3912 Unibus Crate Controller . A Crate in CAMAC speak is just a chassis with a backplane. The problem with CAMAC is there is almost no information out there, Since I don't YET have a Unibus system, it more of a curiosity then anything. So .. anyone have the manual ? (*) - https://en.wikipedia.org/wiki/Computer_Automated_Measurement_and_Control

7 years, 5 months

[TUHS] Booting PDP-11's from RX02's

by jnc＠mercury.lcs.mit.edu

> From: Don North > Track 0 is not used by standard DEC software I wonder why DEC did't use track 0. The thing is small enough (256KB in the original single-density) that even 1% is a good chunk to throw away. Does anyone know? (I had a look online, but couldn't turn anything up.) If I had to _guess_, one possibility would be that track 0 is the innermost track, where the media is moving the slowest, and as a result it's more error-prone. Another is that IBM used track 0 for something special, and DEC tried to conform with that. But those are pure guesses, I would love to know for sure. Noel

7 years, 5 months

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test-drb October 2016