Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
> On Tue, 2009-02-24 13:14:06 -0500, David Betz <dbetz at xlisper.com> wrote:
>
>> > I have a friend who has a number (10-20) of 8" RT-11 floppies he wants
>> > to archive to CD-ROM or some other modern media. Is there anyone in
>> > the Boston area (he lives in Medway) who could help with this? I
>> > believe these are RX01 media since I think they were created on a
>> > PDT-11/150 that I gave away to someone a few years ago. Can anyone
>> > here help? What would the fee be for such a service?
>>
>
> I obviously cannot help, but it would be nice if, once it is done,
> describe the procedure for others.
>
Just recently I was able to read my MiniMINC (a PDT-150) floppies with
an 8" drive connected to an AHA1542B (capable of single density) with
Dave Dunfields ImageDisk. I didn't write them back yet (inverted write
protect logic, but assume it will be no problem...
Fred Jan Kraan
Roy said:
>>> I've taken notice of them and have intentions of stopping in there
one of these times I make a trip to The City...
Consider making your trip in the second or third week of September. Then you combine it with a visit to VCF East in New Jersey!
Hi all,
I was searching for a company that sells 1" unoiled paper tape, here
in The Netherlands. No luck. After googling and many pages, I found
a company in the USA: http://www.wncsupply.com/paper-tape-rolls.html
I would like to buy one or two rolls of 1000 ft, order# 0400A,
R-V-PU471 Unoiled / Printed Top Arrow yellowish color, but it comes
in either a package of 28 rolls (1) and weighs 40 lbs, or in a quart
package, 7 rolls, still a weight of 10 lbs. The 7 rolls package costs
$80. That OK, but the shipping costs would make it quite expensive.
My question is simple.
Are there people on this list who also want to buy some rolls of 1"
nice looking yellow paper tape? I would take 2 (or 3) rolls.
Hint: Get a paper tape reader from an old CNC machine from eBay.
(I bought one for $30 and another for $79 two weeks ago). You can
interface such a reader to a computer, in my case the SBC6120 !
Think of it ... booting the SBC6120 from a paper tape. Is that cool?
The site also sells nice reels (http://www.wncsupply.com/reels.html).
I wanted to buy the 4" blue ones, but again shipping costs, aarggghh.
However, a nice lady from the company emailed me that she is looking
into the shipping costs, as the costs quoted on their site is a bit
high.
I hope to hear from one or two people also looking for a few paper
tape rolls ... Please contact me off list.
Links to other companies that sell 1" paper tape are also welcome!
Thanks,
- Henk, PA8PDP
If anyone is interested in this, send Rich an email. I already have
too many VMS boxes; I'd hate to see this get tossed.
John
---------- Forwarded message ----------
From: Rich Asvitt <rasvitt at comcast.net>
Date: Tue, Feb 24, 2009 at 6:13 PM
Subject: Re: Alpha or VAX machine wanted (dublin / pleasanton / livermore)
To: John Floren <slawmaster at gmail.com>
John,
I know it's been a while but are you still interested in getting a VMS machine?
My wife has been asking me what I'm going to DO with my workstation.
As I haven't cranked it up in over a year, I suppose it's time I find
it a good home. ?So if you're still interested, let me know and we can
work something out.
What we have is a Alpha 3000 with an internal disk there is also an
external disk drive. ?There is also a CD drive and a cartridge tape
drive. ?I just cranked it up today and deleted all my junk on the
disks, So it's running fine. ? So.......
Lemme know
Rich
Yea... I remember that place...I was over at Silicon Graphics back in I think 97 and I would stop by there. In fact every time I was in Silicon Vally I stopped by there. There were other places as well, I guess they are all gone now
I'm glad they are still around.
--- On Wed, 2/25/09, Tom Uban <uban at ubanproductions.com> wrote:
From: Tom Uban <uban at ubanproductions.com>
Subject: Halted
To: "On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
Date: Wednesday, February 25, 2009, 9:13 AM
Sorry if this has already gone around, but I only saw it yesterday
after a friend sent me the link:
http://www.nytimes.com/interactive/2009/02/05/technology/personaltech/20090…
It reminded me of ELI in Cambridge Massachusetts, which was a similar
type of place back when I lived in the Boston area, but which is now
gone. I can only imagine that Halted will not be around too much longer
and I definitely want to stop there the next time I'm in the area...
--tom
>In emulation mode (V20) BP = (8080) SP. But I don't follow your
>logic on how to avoid it. Why JRT chose to code things that way,
>I'll never know, but it worked on 8080, 8085 and Z80 and not on V20,
>so it's a bug. And a bug in commercial (i.e. you paid money for it)
>software.
The code snippet you showed seemed to indicate that either you couldn't
preform a call to the same address contained in the stack pointer, or that
you couldn't preform a call as the next instruction after a lxi sp
instruction. Its not really clear which the problem is. I am assuming
the problem relates to following a lxi sp instruction immediatly with a
call instruction, I can see how pipelining instructions could cause this
failure. I cant immagine how calling the address which happens to match
the sp would be an issue.
My thought was that most cp/m programs either left the sp alone, and used
the stack provided by cp/m, or set up a local stack early on in the
program. In either case this bug could be completly avoided. Am I wrong
here? Is the bug related to calling the address which happens to be in
the sp?
>The instruction prefetch queue issue was well documented in the 386,
>as was the use of an unconditional jump to void the queue. Although
>it's lousy practice to use self-modifying code, I don't blame
>MicroPro for it--they wrote their code to an earlier processor.
>But claiming backward compatibility is a different game. Unless
>something is 100% backward-compatible with the original, you'd best
>not advertise it as being backward-compatible at all, unless you like
>answering support calls.
So as I understand your opinion, if NEC had stated in the V20
documentation, that you should not follow a lxi sp instuction immediatly
with a stack operation, this would not have been a bug. In the case of
the 386, they documented issues with the 386 queue, issues which crashed
commercial software, but which are not a bug. In this case, it was just
code written for an older processor.
Les
Hi All,
I am cleaning out my basement and came across a mystery Plessy core stack.
Its 16k by 16 and is a full height Unibus slot card.
Its one of those sandwiched controller/core stack type of card. Looks to be
able to only take up one slot which is nice.
Part number is PM 1116B
I suspect its a compatible 11/05 or 11/10 memory card but I am not sure.
I could plug it into one of my 11/05's but really don't want to do the old see
if it smokes test as I think this lil baby is kinda hard to find and desirable
to the right person/machine.
--
Kindest Regards,
"No Problems Only Solutions"
L.B. Network Consultants LLC.
Baltimore, Maryland
There's one on eBay right now, auction number 230326916375.
(not affiliated with seller, etc etc)
Too rich for my blood right now, but I'd love to hear that someone
here grabs it and gets it scanned.
-Dave
--
Dave McGuire
Port Charlotte, FL
