On 2015-05-23 09:59, Jochen Kunz wrote:
Advantage:
- No obscure FPGA magic needed.
Disadvantage:
- No obscure FPGA magic needed.
?
;-)
On 2015-07-22 08:02, dwight wrote:
I recall that everyone was thinking the military would switch to
ADA and the 432 was groomed for that.
It was believed that more correct software could be created that
way. At least the generals bought it.
Was a wonderful idea, but the performance of the 432
On 2015-08-27 22:43, Kyle Owen wrote:
Yup, I'm aware of the owner's manual, but my question was more aimed at
What are the common failure modes of this drive? rather than how to
operate it. I'll see what it'll take to get my VAX connected via Ethernet.
Looks like I've got the hardware, but not
Hi all,
anybody know, which system used it?
It is a 1986 CRT controller, which was pretty fancy
back then. But never saw actual hardware with it ...
Thanks
On 2016-06-24 08:23, Swift Griggs wrote:
However, I think most folks these days would faint if they were forced to
work on a terminal.
Just don't tell them, that they do ;-)
If you really think about it, the terminals just got faster and
got more colors. (and you call them smartphone, thin
On 2016-01-17 18:11, Warner Losh wrote:
Would love to help, but I have the PC100-B. The PC100-A board is somewhat
different than the
PC100-B, but not super different.
Have you checked the diagnostics table in the technical reference to see
what all LEDs lit means?
I'd crack open my copy, but it
On 2016-01-16 14:15, shad wrote:
After full disassembling, cleaning and reassembling, I'm ready to try it!
PSU seems to work well, power goes on with almost precise voltages, then
all the test leds on the back will lit on...
then nothing happens! No video, no sign of life.
And they stay
On 2016-02-16 15:09, Andreas Sikkema wrote:
Hi,
Is anyone interested in PCS Cadmus/QU68000 systems? We at Hack42 have no
idea what to do with them. We need to downsize and these take up a
significant amount of our space.
So, are they all taken? Anybody picked them up?
Cheers
On 2016-08-11 14:08, Douglas Taylor wrote:
I have a MicroVax 4000 that I am trying to update the license PAKs on,
the last time I had valid PAKs on this machine was in 2002 (Hobbyist
Licenses).
I registered and have received the new Hobbyist License PAKs.
I connected a laptop and transferred
On 2016-08-11 20:36, Al Kossow wrote:
One of the highest projects I have in the queue is getting one of John's
M4 9914V drives with 18 track MR heads running in my new lab at CHM.
What's the interface on the 18 track head?
On 2016-08-12 10:27, Al Kossow wrote:
physical is a .1 grid of square pins coming off of a flex cable to the head
stack.
electrical is you supply a bias current and directly read magnetic flux with an
opamp
OK,
I traced all of that out the last time I made a run at this windmill. John used
On 1969-12-31 17:00, E. Groenenberg wrote:
Hi.
I recently acquired a 'CHAS' single board computer containing a Motorola
68000 processor. It contains a keyboard and 2 roms (have not powered it
up yet).
See the picture at http://www.groenenberg.net/download/pic/CHAS.jpg
nice, big board ...
I
On 2016-09-06 02:43, Fritz Mueller wrote:
Hi all, thanks for the help/advice!
Another idea that might work would be to take an FPGA proto board that I have
and hack up a better serial port — something with some buffering and xon/xoff
logic sitting downstream of the USB interface.
Why not
Anybody has a spare one, to sell?
With all the discussions about the P350/P380, I went to my storage,
and found two p350s without power supplies :(
Cheers
On 2016-10-04 06:49, Rod Smallwood wrote:
Hi All
I have just had a huge DEC Miro Fiche library given to me.
Just a stupid question, as we are on the microfiche again ;-)
Is there no "modern" format of TIFF or similar, which could save the
whole microfiche as one picture?
Would save all the
On 2016-08-26 06:16, Rob Jarratt wrote:
I have found a tear in the "arrow head" of the leader of a TK70 drive. I do
have a spare somewhere should I need it, but I was wondering if anyone has
any clever ways to repair it?
Isn't it easier, to just order the replacement?
On 2016-10-29 06:32, william degnan wrote:
Quick question...
I have one for you too ;-)
Was there a version of kermit for CP/M ?
Cheers
On 2016-10-29 06:32, william degnan wrote:
Quick question...I am setting up disks to be imaged from various requests
including yours. Do you know the tracks/sectors of the sage disks, off
hand?
Sorry, I got my machine finally home two days ago.
During transport, it was really bend out of
On 2016-10-29 15:08, william degnan wrote:
On Oct 29, 2016 4:53 PM, "Fred Cisin" wrote:
Of course, but I just wanted to do this guy a favor and image the disks,
And he really appreciates that!!!
I did not want to set up my system and get all into it and whether I have
On 2016-10-29 18:05, Fred Cisin wrote:
On Sat, 29 Oct 2016, emanuel stiebler wrote:
So both are 5.25", half height.
one is a mitsubishi M4853-342MG,
IIRC, that's a 80track double density drive. (aka "720K", aka "quad
density")
(the 4854 is the 1.2M version
On 2016-10-29 09:21, allison wrote:
On 10/29/2016 09:55 AM, emanuel stiebler wrote:
Was there a version of kermit for CP/M ?
yes and there were more than a few modem/terminal programs.
for CP/M 68K?
On 2016-10-30 15:40, william degnan wrote:
On Sun, Oct 30, 2016 at 9:44 AM, emanuel stiebler <e...@e-bbes.com> wrote:
I also got last week a IBM PC 5170, if I could get it working,
it should be able to write the SAGE II floppies, right?
if it's a 96 tpi drive and you have a newer OS li
On 2016-11-04 13:56, tony duell wrote:
Crashed after a while, and only shows 128K (512k is populated),
It appears that there's a DIP shunt block on the CPU board where each shunt
corespond to a row of DRAMs. You should check all 4 positions are shorted.
According to the technical manual:
On 2016-11-05 14:25, tony duell wrote:
I have one question:
How does it check, how much RAM is in it?
Boot shows 128K, but the board has 512K
Incidentally there is a .zip file on Bitsavers called SageSources. Unpack it,
and in Sources1 look at PROM2.TXT. That is part of the 68000 source
for
Anybody has a spare to sell, give away, trade?
Thanks
On 2016-11-04 15:20, william degnan wrote:
great to hear
Yes, I'm enjoying this little machine ;-)
I have one question:
How does it check, how much RAM is in it?
Boot shows 128K, but the board has 512K
On Fri, Nov 4, 2016 at 3:40 PM, emanuel stiebler <e...@e-bbes.com> wrote:
On 2
On 2016-10-13 20:00, william degnan wrote:
I may have some software that is missing from that site, if so I will image
and upload will let you know
Thanks!
On 2016-10-22 22:08, allison wrote:
So to do that you have two project the hardware is fairly straight
forward (see the
applicable Bus interfacing books put out by DEC) but the software to use
it is a project.
FYI I have never heard of any one recreating the RQDX1/2/3 software
protocol MSCP
as
On 2016-11-15 14:58, Ken Seefried wrote:
From: Rico Pajarola
Does no one have NCDWare 3.2.1 or earlier?
Nostalgia...I really liked the NCD 19 I used many moons ago.
Reasonably snappy at the time, nice mono screen, quiet. Funny enough
I recently resurrected an NCD Explora
On 2016-10-30 06:56, william degnan wrote:
I have a disk labeled Sage II Cp/m 68 (000) Kermit. That is what the OP
was looking for, for his newly acquired Sage II.
Great!
We were discussing how to
image theae disks, I don't have a 96tpi - capable drive set up on my
current disk imaging
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
On 2016-10-31 09:16, Ethan Dicks wrote:
On Mon, Oct 31, 2016 at 11:11 AM, emanuel stiebler <e...@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 runni
On 2016-10-13 17:16, william degnan wrote:
Did you get this from Ebay?
Nope, just waited few years until it popped up ;-)
http://www.thebattles.net/sage/
Yes, I know that one. I also got some documentation with it,
checked already if it is all on the web and it is.
Weirdly, some
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
On 2016-10-12 09:21, Eric Smith wrote:
DEC PDP-10:
MACRO-10
CP/M:
Turbo Pascal
(These are significantly more challenging than most of the other games
that have been mentioned, but with more subjective scoring.)
Good one ;-)
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.
Hi all,
anybody has any experience with that:
http://www.drem.info/
?
On 2017-01-13 03:23, Randy Dawson wrote:
Ohhmygosh!
I am reading and it looks like most of it is there, with some goofy stuff
messing up the subroutine declarations, and binary inserted in places.
You have wrecked my weekend.
This gets me started with trying to build the thing.
please let us
On 2017-01-14 01:48, Rob Jarratt wrote:
Has anyone had experience of using an item like this for soldering and PCB
inspection work?
Yes,
I think I have the same, bought it moth ago, and I'm
pretty happy with it.
However, this little LED light is nice for checking out something,
if you like to
On 2017-03-28 19:20, Parent Allison via cctalk wrote:
I don't know which PDP-11 that is either. It's a 3rd party card.
Anyone recognize it?
-ethan
Its defiantely J11 powered, the white ceramic chip carrier gives that away.
Likely a J11 power Q or Unibus CPU of late vintage.
ROI was
On 2017-07-29 01:16, David Griffith via cctalk wrote:
I'm trying to verify the correct dimensions for a 160mm x 100mm
EuroCard. I figured this would be simple: 160 millimeters by 100
millimeters. But when I submitted a template to the Kicad project at
On 2017-08-03 11:12, Al Kossow via cctalk wrote:
It would be nice, though if someone just finished a MSCP controller with a CF
or SD on it.
I don't think there is enough demand for it. So to finish it would take
some effort, and the boards wouldn't be cheaper than the SCSI
controllers out
On 2017-08-12 05:21, Fritz Chwolka via cctalk wrote:
Thanks for the Info. Yes I checked all snapshots at the wayback
machine. I hoped that someone has a sage II and saved all from the save
them from www.sageandstride.org website.
Just tell us, what you're missing ...
On 2017-08-10 03:05, Fritz Chwolka via cctalk wrote:
Hi..
I go some SAGE computers as the owner wants to go back to GB.
Actually, which models did you get?
On 2017-08-13 15:46, Fritz Chwolka wrote:
Am 12.08.2017 um 21:33 schrieb emanuel stiebler:
On 2017-08-12 05:21, Fritz Chwolka via cctalk wrote:
Thanks for the Info. Yes I checked all snapshots at the wayback
machine. I hoped that someone has a sage II and saved all from the save
them from
On 2017-08-04 13:51, Noel Chiappa via cctalk wrote:
> From: Paul Koning
>> do industrial SD cards exist?
> If you have a ready-made SD interface, these cards work nicely. If you
> need to build one from scratch it gets tricky, because the interface is
> fairly high speed
On 2017-08-04 14:38, Warner Losh via cctalk wrote:
On Fri, Aug 4, 2017 at 12:18 PM, Noel Chiappa via cctalk <
cctalk@classiccmp.org> wrote:
> USB with 480MHz is fast enough
I think our plan was to skip that speed, and go with the next one down, on
the grounds that the analog part at that
On 2017-08-04 15:15, David Bridgham via cctalk wrote:
On 8/4/17 10:46, emanuel stiebler via cctalk wrote:
Definitely I'll stick with 12Mb/s USB to start (for sure on our
wire-wrapped prototype board) but I'd love to boost that to 480Mb/s
later. The analog issue is one thing that made me
On 2017-08-04 14:01, Noel Chiappa via cctalk wrote:
> From: Al Kossow
> but it looks like they are going EOL
Is that just this particular product (individual SD/etc products seem to go
out all the time, as new and bigger ones come out), or industrial SD cards in
general? I hope not
On 2017-08-04 15:18, Phil Blundell via cctalk wrote:
On Fri, 2017-08-04 at 15:04 -0400, Noel Chiappa via cctalk wrote:
And this path allowed us to get rolling without having to go through
the PC-board fab cycle... (including the complexity of doing boards
with gold fingers).
Just as an aside
On 2017-08-04 14:18, Noel Chiappa via cctalk wrote:
Exactly our plan (although the USB is left until after we get the SD running).
> USB with 480MHz is fast enough
I think our plan was to skip that speed, and go with the next one down,
Probably sufficient for a start ...
> on
the
On 2017-08-04 14:54, Noel Chiappa via cctalk wrote:
> From: Warner Losh
> had problems finding out just how fast Q-Bus can go
Something like 700 nsec for a cycle (best case), so assuming 16-bit
transfers, a max of a little over 20 Mbit/sec.
From an old email from tim Shoppa who
On 2017-08-04 13:17, David Bridgham via cctalk wrote:
I don't think I'm up to going with a higher-end FPGA and trying to
implement SATA even though in many ways I think that's the right
answer. If there's a SATA PHY chip, that's a maybe.
Forget about SATA, even if some people like it here;-)
On 2017-08-04 15:04, Noel Chiappa via cctalk wrote:
> From: Paul Koning
> flash storage devices do wear leveling. The fact that you're writing to
> the same block number doesn't mean you're actually writing to the same
> spot on the physical flash memory.
Yeah, but why 'waste'
On 2017-08-04 18:12, David Bridgham via cctalk wrote:
On 8/4/17 11:25, emanuel stiebler wrote:
What FPGAs are you using?
Xilinx Artix 7. More specifically, we're using a ZTEX 2.13 FPGA module
for our prototyping. Unless some good reason came up, I was thinking to
stick with the same FPGA
On 2017-08-05 08:55, David Bridgham via cctalk wrote:
On 8/5/17 04:29, emanuel stiebler wrote:
Xilinx Artix 7. More specifically, we're using a ZTEX 2.13 FPGA module
for our prototyping. Unless some good reason came up, I was thinking to
stick with the same FPGA.
Artix 7? Nice, use them
On 2017-08-05 02:15, Rob Jarratt via cctalk wrote:
-Original Message-
From: Rob Jarratt [mailto:robert.jarr...@ntlworld.com]
Sent: 15 July 2017 22:11
To: General Discussion: On-Topic and Off-Topic Posts
(cctalk@classiccmp.org)
Subject: Looking for a
On 2017-08-04 04:14, Christian Corti via cctalk wrote:
On Thu, 3 Aug 2017, emanuel stiebler wrote:
On 2017-08-03 11:12, Al Kossow via cctalk wrote:
It would be nice, though if someone just finished a MSCP controller
with a CF or SD on it.
I don't think there is enough demand for it. So
On 2017-06-23 14:55, Connor Krukosky via cctalk wrote:
I am in no way affiliated and wish it wasn't on the other side of the
country so I could get it!
https://sfbay.craigslist.org/scz/sys/6188389886.html
"I have a single monochrome HP 9836 computer with two monitors and three
printers left.
anybody here knows what the right name for it is?
I need to replace some on a vlc, but how to find the right one ...
Thanks!
On 2017-06-14 19:54, Al Kossow via cctalk wrote:
On 6/14/17 7:27 AM, Toby Thain via cctalk wrote:
A thousand boxes are not at all accessible.
They are trivial to access. You just have to cart your lazy asses to Fremont.
I probably will take exactly that route ;-)
But seriously, does it
On 2017-06-13 23:40, Mark Kahrs via cctalk wrote:
In case you hadn't heard, the DEC archives at CHM are available and here's
the PDF:
http://archive.computerhistory.org/resources/access/text/finding-aids/102733963-DEC/102733963-DEC.pdf
Really hope it will all be scanned in one day. At least
On 2017-09-18 12:48, Camiel Vanderhoeven via cctech wrote:
So, I¹m in the market for an SMD drive. It has to be one of the following
four types though:
* Fujitsu M2351 (Eagle)
* CDC 9766
* NEC D2352
* NEC D2363
And I¹d prefer it to be located somewhere in continental Europe (even
better if
On 2017-10-06 14:39, Chuck Guzis via cctalk wrote:
On 10/06/2017 12:08 PM, Fred Cisin via cctalk wrote:
I take it that your students didn't read Don Knuth's wonderful book on
sorting and searching--the one with the fold-out chart on various tape
sorts--including those for tape drives with
On 2017-10-06 15:35, Fred Cisin via cctalk wrote:
On Fri, 6 Oct 2017, emanuel stiebler via cctalk wrote:
It was fun optimizing/ tuning your software, when computers cost
thousand of dollars, and the only thing which would make them go faster
was to work on the algorithms.
Now, it is much
On 2017-10-06 15:25, emanuel stiebler via cctalk wrote:
On 2017-10-06 14:39, Chuck Guzis via cctalk wrote:
On 10/06/2017 12:08 PM, Fred Cisin via cctalk wrote:
I take it that your students didn't read Don Knuth's wonderful book on
sorting and searching--the one with the fold-out chart
On 2017-10-06 15:25, emanuel stiebler via cctalk wrote:
It would probably heart their feelings, and kick them into an emotional
crisis, looking for a safe space ;-)
hurt, sorry ;-)
On 2017-10-05 17:37, Jack Harper via cctalk wrote:
I appreciate the description of your STM32F407 machine - makes sense and
gives me hope that I can replicate the functionality in the 68K world.
What 68k machines do you have there, you like to attach to the 7970?
Cheers
Hi,
trying to check some MFM drives I have on my shelf.
Have an IBM PC AT, with an WD1003 controller in it.
So, what is the best(?) or easiest piece of software,
to format the drives, check for bad blocks, etc.?
I think I remember something like "ontrack" for doing it,
but didn't touch PCs for
anybody still uses them, collects them?
I have to move, so I'm trying to thin out my collection of
those ...
If you like one, looking for documentation, etc. drop me an email please.
Cheers
Hi all,
I planing on moving from the Midwest to the the east coast.
Any recommendations how to pack the stuff? I'll get a container
for my stuff, 19" racks we don't have to talk about, but what about all
the smaller stuff, like desktop workstations, hard drives, monitors,
terminals etc?
in the Midwest are you?
Denver area ...
Good luck with the move.
On Sun, Aug 27, 2017 at 2:33 PM, emanuel stiebler via cctalk
<cctalk@classiccmp.org <mailto:cctalk@classiccmp.org>> wrote:
Hi all,
I planing on moving from the Midwest to the the east coast.
Any recommendations
On 2017-08-27 16:11, Kirk Davis wrote:
I just moved from the Bay Area to AZ and I'll tell you what I did.
Cardboard boxes with news paper. uHaul seemed to have the best boxes. The Small
and
Med have handles which help. Number the boxes with a sharpie and take pictures
of
> the number then the
On 2017-11-28 08:54, Noel Chiappa via cctalk wrote:
and the whole thing is here:
https://github.com/dabridgham/QSIC
including the Verilog for the uengine. Dave reports that it should be easy to
adapt his uengine design to other uses, it should run in pretty much any
FPGA. So if you want to
On 2017-11-17 18:11, Jim Brain via cctalk wrote:
I'm currently working on a single board computer system, designing from
scratch partially as an education experience, and also as something that
might be of interest to others.
I've laid out the first version of the SBC, and I realize it would
On 2017-11-18 23:48, Jim Brain wrote:
> Looking at the schematic for the ECB, I cannot find any description of
> the signals BAI, BAO, IEI, and IEO. Can anyone shed some light on the
> function of these signals?
Here again:
https://en.wikipedia.org/wiki/Europe_Card_Bus
I have some ECB
On 2017-11-18 14:09, Douglas Taylor via cctech wrote:
> I have a couple of vaxes that output 'unique' video, Alpha 3000 300,
> Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76.
>
> The Alpha and VLC each have a 3W3 type of connector and the 3100 has a
> 15 pin DEC designed connector.
The
Denver area, pickup only ...
Anybody?
Hi all,
anybody in Denver area is looking for some?
(6 foot tall, grey) pickup only.
On 2017-12-07 03:55, Jon Elson via cctech wrote:
On 12/03/2017 10:28 AM, Aaron Jackson via cctech wrote:
I'm looking after a VAX 4000 for a friend, which has a SCSI Q-bus card
(M5976). If the card did not have the large metal face, would it work in
a Q-bus PDP-11? We are not going to
Anybody looking for one?
Free for pickup, 80433 colorado
Hi all,
anybody has some spare in the bin, he doesn't need?
Looking for 18 pieces, preferably NEC, -12.
Thanks!
On 2017-10-31 00:54, Paul Anderson via cctalk wrote:
There is another list member coming through here from the east coast and
going to Denver and back. Hopefully he'll junk in here...
Thanks, Paul
Who is it, and where on the east coast is he?
On 2018-05-01 04:54, Noel Chiappa via cctalk wrote:
> So someone mentioned this to me:
>
> https://www.ebay.com/itm/222941705847
>
it is a "desktop system" ;-)
On 2017-12-31 07:32, Noel Chiappa via cctalk wrote:
So, I've been making wooden racks to hold a lot of my DEC boards, and I've
finally come up with a nice design for one, which holds quad boards:
http://ana-3.lcs.mit.edu/~jnc/tech/jpg/QuadRack.jpg
which holds them vertically.
Nice!
On 2018-01-07 19:46, ben via cctalk wrote:
> On 1/6/2018 4:01 PM, emanuel stiebler via cctalk wrote:
>> On 2017-12-27 21:35, Randy Dawson via cctalk wrote:
>>
>>> What have you done, with microprogramming this part? In your
>>> architecture, have you changed the
On 2017-12-27 21:35, Randy Dawson via cctalk wrote:
What have you done, with microprogramming this part? In your architecture,
have you changed the microcode, create an instruction to enhance your machine?
I would be interested in any hardware projects, stories (or even in the FPGA, I
hear
On 2018-01-21 23:47, Kevin Bowling via cctalk wrote:
> I have some sun3/vme systems
>
> Several 3/60
> 3/260
> sparcstation 4/370
> SMD disk array for 3/260
>
> The 3/260 and 4/370 have some oddball boards for data (cosys) and
> video acquisition (Aviv).
>
> I also have some spare sparcstation
On 2018-02-08 21:05, Ian via cctalk wrote:
> On Feb 8, 2018, at 11:03, Tom Gardner via cctalk
> wrote:
>>
>> XT2190 was first produced in 3Q 1984 and last produced in 1989 which gives
>> yours a remarkable life span and well beyond the them at most 5 year
>> warranty.
>>
On 2017-12-15 22:35, Chuck Guzis via cctalk wrote:
Hello Chuck,
I started with the stm32f407 a while ago, but gave up,
the support wasn't there than.
I've lately been doing the data transfer stuff using STM32F407
development boards. Cheap ($12 shipped), with a 168MHz ARM CPU and
84Mhz
On 2018-08-03 18:47, Bill Gunshannon via cctalk wrote:
>
>
> On 08/03/2018 01:53 PM, Glen Slick via cctalk wrote:
>> On Fri, Aug 3, 2018 at 2:26 AM, Jan-Benedict Glaw via cctalk
>> wrote:
>>> If it's of interest, I'd probably add a number of VAXstation dumps for
>>> several machines (3100,
On 2018-07-13 20:26, Al Kossow via cctalk wrote:
> Are the firmware eproms for the DECstation archived anywhere?
Are you looking for anything specific, or just like to save them?
I have most of the decstations ('133, '150, '200, '240 and '260),
but all in containers, moving :(
Cheers
On 2018-03-12 15:49, Eric Smith via cctalk wrote:
> As the most obvious example of the impedance mismatch between 370
> architecture and 68000 microarchitecture, the 68000 is hardwired to have
> eight each data and address registers, not sixteen GPRs, and microcode
> can't easily paper over that.
On 2018-03-12 15:49, Eric Smith via cctalk wrote:
> As the most obvious example of the impedance mismatch between 370
> architecture and 68000 microarchitecture, the 68000 is hardwired to have
> eight each data and address registers, not sixteen GPRs, and microcode
> can't easily paper over that.
On 2018-03-15 18:35, Robert Armstrong via cctalk wrote:
>> You might look up Nick Tredennick's book "Microprocessor Logic Design:
>> The Flowchart Method" which is sold at Amazon for an obscene price
>
> FWIW, there are several copies on Abe Books ranging in price from "only"
> $800 (a
On 2018-03-15 09:29, Veit, Holger via cctalk wrote:
> You might look up Nick Tredennick's book "Microprocessor Logic Design:
> The Flowchart Method" which is sold at Amazon for an obscene price - but
> maybe some university library has a copy. It's focus is on a methodology
> for designing
On 2018-04-08 08:37, Bill Gunshannon via cctalk wrote:
>
> None of the disks created with winrawwrite work. I am going to
> assume at this point that USB floppies can not be used to build these
> images. I have a dos box with a real floppy interface but moving stuff
> to it is not easy. (time
On 2018-03-29 14:50, Fred Cisin via cctalk wrote:
> I would, of course, play with doing a few frames manually.
> At least to get any idea of what SIZE the whole thing will need to be.
> But, once that's working acceptably, a good mechanical system is
> essential. There are SO many cards to scan
On 2018-03-29 06:27, Peter Coghlan via cctalk wrote:
> On my machine, the mini console memory test reports that all the memory is
> bad in pretty much all locations and the errors are different each time I
> run the test. I think it is extremely unlikely that all the memory has
> gone
> bad
On 2018-03-28 20:59, Bob Rosenbloom via cctalk wrote:
> On 3/28/2018 6:00 PM, Fred Cisin via cctalk wrote:
If you start with a fiche viewer, then a lot of the mechanical
parts, such as the fiche holder, are well under way. You need to
modify the card movement mechanism to be able
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