> Would it be possible to build a small computer, 8088/8086
> just for this?
>
I don't see why not, but given the choice I'd pick just about any
other processor family. Probably a 68000.
-tony
On 2023/05/25 5:11 p.m., Sellam Abraham via cctalk wrote:
Tom,
You may save yourself some time with this nifty contraption ==>
https://www.ebay.com/itm/303620862566
It's a floppy disk cleaning apparatus. You place the floppy disk into the
frame, apply your cleaning solution and cloth to the in
On Thu, 25 May 2023, Sellam Abraham via cctalk wrote:
Tom,
You may save yourself some time with this nifty contraption ==>
https://www.ebay.com/itm/303620862566
It's a floppy disk cleaning apparatus. You place the floppy disk into the
frame, apply your cleaning solution and cloth to the index op
Tom,
You may save yourself some time with this nifty contraption ==>
https://www.ebay.com/itm/303620862566
It's a floppy disk cleaning apparatus. You place the floppy disk into the
frame, apply your cleaning solution and cloth to the index opening, and
then manually spin the disk.
Sellam
On Th
> On May 25, 2023, at 6:29 PM, Christian Kennedy via cctalk
> wrote:
>
>
> On 5/25/23 12:30, Chuck Guzis via cctalk wrote:
>> ...and we still get gems like the Boeing 737MAX...
>
> I get your point, but it's a bad example. MCAS worked precisely as
> specified, and while one could have a d
On 5/25/23 15:35, Tom Stepleton via cctalk wrote:
> Does this seem like a sensible plan? If so, what would be the best way to
> clean as much mould off the cookie as I can? Tools that come to mind are
> distilled water (tap water here is full of chalk), dish soap,
> cyclomethicone, and of course m
>
> This evening I went to check Vstart for any oscillation. However, all of a
> sudden, the current draw is down to 85mA and PWM has started working. I am
> at a loss to explain it. I wondered if there might be a dry joint, but I
> have tried a few light taps and shakes and it continues to work. P
On 25/05/2023 19:47, Paul Koning via cctalk wrote:
Not only that, but all correctly implemented GigE devices will fall back not
just to 100 but also to 10 Mb/s. That's part of standards conformance, and
from what I can tell even low cost devices like D-Link or Netgear do this.
Yes, including
On 5/25/23 13:38, geneb via cctalk wrote:
That wasn't a software problem, that was a criminally cheap management
problem - they deleted the comparator for the AoA indexer to save money.
Yes, but probably not Boeing's. AoA disagree was an available option
that most /airlines/ explicitly elect
Greetings,
Amidst all the floppy archiving discussion, here's a slightly different
question:
The weather is warmer now where I live, so it's starting to be a good time
to do messy work outdoors. I have some mouldy floppy diskettes that I'd
like to try to read (mostly 5.25"), plus a good flux read
On 5/25/23 12:30, Chuck Guzis via cctalk wrote:
...and we still get gems like the Boeing 737MAX...
I get your point, but it's a bad example. MCAS worked precisely as
specified, and while one could have a discussion regarding if those
specifications were wrong, the logic was that a MCAS fai
On 5/25/23 13:21, Paul Koning via cctalk wrote:
On May 25, 2023, at 3:30 PM, Chuck Guzis via cctalk
wrote:
On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:
The way SPARK works is that you have code and then can also provide
proofs for the code. Proofs are you might expect are *hard* to
> On May 25, 2023, at 4:38 PM, geneb via cctalk wrote:
>
> On Thu, 25 May 2023, Chuck Guzis via cctalk wrote:
>
>> On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:
>>>
>>
>>> The way SPARK works is that you have code and then can also provide
>>> proofs for the code. Proofs are you might
> -Original Message-
> From: Peter Coghlan via cctalk
> Sent: 20 May 2023 09:20
> To: 'General Discussion: On-Topic and Off-Topic Posts'
>
> Cc: Peter Coghlan
> Subject: [cctalk] Re: Rainbow H7842 PSU Fault
>
>
>
> Ok, it looks like there is not a severe leak from the -12V line to
On Thu, 25 May 2023, Chuck Guzis via cctalk wrote:
On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:
The way SPARK works is that you have code and then can also provide
proofs for the code. Proofs are you might expect are *hard* to write
and in many cases are *huge* relative to the actual
> On May 25, 2023, at 3:30 PM, Chuck Guzis via cctalk
> wrote:
>
> On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:
>>
>
>> The way SPARK works is that you have code and then can also provide
>> proofs for the code. Proofs are you might expect are *hard* to write
>> and in many cases are
Just wondering what's marking Guy's posts with ***SPAM***. It's
beginning to look like a Monty Python sketch.
--Chuck
On 5/25/23 12:13, Will Cooke via cctalk wrote:
> Eclipse is a a java dog and keeping it up to date between versions is a pain,
> but in my experience the benefits Mike mentioned are well worth it.
For an editor, I use Joe--available on platforms from MSDOS to Linux X64
as well as Windows. It's
On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:
>
> The way SPARK works is that you have code and then can also provide
> proofs for the code. Proofs are you might expect are *hard* to write
> and in many cases are *huge* relative to the actual code (at least if
> you want a platinum level pro
> On 05/25/2023 11:13 AM CDT Mike Katz via cctalk wrote:
>
>
> Chuck,
>
> I agree with you that well written and commented C is the way to go.
>
> The advantage to an IDE comes with debugging and easy access symbols and
> variables.
>
Some IDEs can be convinced to use standard makefiles.
On 5/25/23 10:00, Chuck Guzis via cctalk wrote:
On 5/25/23 08:58, Guy Sotomayor via cctalk wrote:
ADA and SPARK (a stripped down version of ADA) are used heavily in
embedded that has to be "safety certified". SPARK also allows the code
to be "proven" (as in you can write formal proofs to ensu
On 2023-05-25 5:52 a.m., Tony Duell via cctalk wrote:
> ...
> It is not unheard-of for classic PCs -- even ISAbus ones -- to have
> 10Mbps ethernet. Most, if not all, 100Mbps ethernet ports will fall
> back to that.
Not only that, but all correctly implemented GigE devices will fall back not
On 2023-05-25 5:52 a.m., Tony Duell via cctalk wrote:
On Thu, May 25, 2023 at 1:54 AM Mike Stein via cctalk
wrote:
I realize he's a bit eccentric, (even more so than many of us ;-) ), but I
I am not 'a bit eccentric'. There is absolutely nothing mild about my
eccentricities!
But it sounds
On 5/25/23 08:58, Guy Sotomayor via cctalk wrote:
>
> ADA and SPARK (a stripped down version of ADA) are used heavily in
> embedded that has to be "safety certified". SPARK also allows the code
> to be "proven" (as in you can write formal proofs to ensure that the
> code does what you say it does
On 5/25/23 07:55, Chuck Guzis via cctalk wrote:
On 5/25/23 04:52, Tony Duell via cctalk wrote:
For the programming language, I stick with C, not C++, not Python and
plain old makefiles--that's what the support libraries are written in.
I don't use an IDE, lest I become reliant on one--a text e
Chuck,
I agree with you that well written and commented C is the way to go.
The advantage to an IDE comes with debugging and easy access symbols and
variables.
I worked for Software Development Systems working on their Freeform
(text based) and Single Step (windows based) debuggers. Which g
Hi all, we are getting overstocked on the 1000 series stuff and wanted
to see if anyone needed anything. We have most everything you could have
in the 1000 A-series hardware. If anyone needs any loaded up A990 boxes
we have a bunch of them configured below for $1,400.00
A990 Server 14-slot Mic
On 5/25/23 04:52, Tony Duell via cctalk wrote:
> USB interfacing is hard, but SD cards are a lot simpler. So use a card
> reader thing to transfer the files to an SD card and design an
> interface for that to ISA bus.
That's my approach with my own setups. 32GB SD cards are very
inexpensive and
On Thu, May 25, 2023 at 1:54 AM Mike Stein via cctalk
wrote:
>
> I realize he's a bit eccentric, (even more so than many of us ;-) ), but I
I am not 'a bit eccentric'. There is absolutely nothing mild about my
eccentricities!
> But it sounds like he'll explore one of the flux-transition gizmos;
Recently i digged out a system called Rexon 30, which was sold in
germany/europe as a CMC 7030.
The OS called RECAP BB was stored on a combined hard/removeable disk
drive. There is no floppy or tapedrive at all.
BB stands for a version of Business-Basic.
The removeable pack got lost but there is
In message
Mike Stein via cctalk wrote:
> I realize he's a bit eccentric, (even more so than many of us ;-) ), but I
> think we're being a little hard on Tony, especially considering the many
> contributions he's made to our hobby over the years with reverse-engineered
> schematics and
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