On Mon, Apr 22, 2024 at 01:06:42AM +0100, Peter Coghlan via cctalk wrote:
[...]
> This was implemented by a humble 6502 running at (mostly) 2MHz, with one 8
> bit arithmetic register, two 8 bit index registers, one 8 bit stack
> pointer, a 16 bit program counter and a few flag bits.
> I would
On Fri, Apr 19, 2024 at 09:34:42PM -0700, Chuck Guzis via cctalk wrote:
> On 4/19/24 19:39, ben via cctalk wrote:
[...]
>> Now is a good time to stock up for any z80 projects or repair, while they
>> are $10 or less on epay.
Unless people start panic-buying them, Z80 chips are likely to languish
On Sun, Sep 10, 2023 at 05:44:59PM +0100, Liam Proven via cctalk wrote:
[...]
> No idea of the CPU performance. 4MHz Z80A but whether there was any
> contention or anything I have no idea. I believe one of the
> interesting bits of the design is that there's no ROM at all. They
> came with a
On Fri, Sep 01, 2023 at 04:32:57PM -0600, ben via cctalk wrote:
[...]
> I think that way has been for a while. Having a hard time finding a 68B50
> on ebay. All the modern serial devices (I can buy) seem to be serial
> interfaced. Sigh.
I see the 68B50 on AliExpress, and they're probably even
On Fri, Aug 04, 2023 at 08:51:31AM -0500, John Herron via cctalk wrote:
[...]
> That price is interesting. Does that imply the value has gone down after
> some skyrocketed close to 1 million? One still has to make the decision of
> a owning a house or an apple 1.
Well, both of them are treated as
On Sun, Jun 11, 2023 at 09:21:52AM -0600, ben via cctalk wrote:
[...]
> I would of thought the AMIGA would have a say here, as it reads a disk
> track as just a bunch of flux transitions.
The Amiga has a choice of two fixed clock rates, both of which happen to
correspond with common DD disk
On Thu, May 25, 2023 at 12:52:39PM +0100, 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.
No need even to design anything or faff around
On Wed, May 17, 2023 at 12:02:05PM -0500, Mike Katz via cctalk wrote:
> That is because Amiga uses GCR recording rather then FM or MFM.
Nope. You may have gotten confused with the Commodore 64 drives, which
were very Special, or perhaps early Apple gear.
The Amiga's disk controller supports both
On Tue, Mar 14, 2023 at 09:16:02PM +, Jonathan Chapman via cctalk wrote:
[...]
> It's nice to support the designers in some capacity, but buying knockoffs
> fuels the ecosystem that creates knockoffs. With our stuff, it's never
> been that a single knockoff operation eats our lunch, it's that
On Tue, Feb 07, 2023 at 12:27:33PM +0100, Cedric Amand via cctalk wrote:
> I've looked at the problem a bit, there are two issues to solve at first
> glance ; (A) there doesn't seem to be a telnet server library in python,
> so whatever you do you have to write your own telnet server, which is a
>
On Fri, Jan 20, 2023 at 07:55:50PM -0800, geneb via cctalk wrote:
[...]
> I'm surprised nobody has mentioned the AppleSauce yet. Yes, it requires a
> Mac. Yes, they're currently out of stock, but Yes, it's absolutely the
> best solution out there for disk imaging. https://applesaucefdc.com/
It's
On Tue, Jan 17, 2023 at 10:16:18AM +, Peter Coghlan via cctalk wrote:
[...]
> How about translating code from Z80 which has several registers to 6502
> with rather fewer? That would seem to need some more intelligent thinking
> on how to simulate the unavailable registers without causing
On Tue, Jan 17, 2023 at 05:42:55AM +, Chris via cctalk wrote:
[...]
> The only answer that anyone can provide is redundancy. Keep 2 or 3 copies
> of everything on seperate external drives. Every 3 to 5 years buy new
> drives and transfer the data to them. Or just run checkdisk twice a year
>
On Wed, Nov 30, 2022 at 08:10:27PM -0500, Paul Koning via cctalk wrote:
[...]
> 5V tolerant does not mean 5V compatible. I have right now some 5V devices
> I want to control, and it's not exactly clear whether a 3.3V device will
> drive outputs high enough to reliably make 5V devices see them as
On Sat, Nov 12, 2022 at 10:28:09AM +, Tony Duell via cctalk wrote:
[...]
> The other day I saw a product with a flashing LED, the flash rate was set
> with a knob. Yes, a microcontroller with a pot connected to an analogue
> input and LED hung off an output port. This is the sort of thing I'd
On Fri, Oct 21, 2022 at 12:15:02PM +1100, Doug Jackson via cctalk wrote:
[...]
> Yet another American seler who doesn't understand how simple overseas
> shipping is.
As far as I can tell, the price to ship anything overseas from the USA is
twice the value of the item, plus fifty bucks, plus ten
On Sun, Sep 25, 2022 at 10:39:46AM -0500, Adrian Stoness via cctalk wrote:
> On Sun, Sep 25, 2022 at 10:26 AM Tony Duell via cctalk <
> cctalk@classiccmp.org> wrote:
>> Does anyone have a Philips P2000C CP/M luggable with the carrying strap?
>> I will be restoring such a machine in the near-ish
On Wed, Aug 10, 2022 at 11:53:34PM -0600, Grant Taylor via cctalk wrote:
> Does anyone know if it's possible, or -- better -- have experience using a
> cell phone as a dial up modem?
I did it routinely in the late 1990s and early 2000s. I stopped once I got a
GPRS-capable handset, since that was
On Wed, May 11, 2022 at 07:14:23AM -0400, Bill Degnan via cctalk wrote:
> I get these every so often despite my gmail account. I believe when you're
> on a thread that has an email address within in it that gets flagged, all
> associated emails are also.flagged, based on how the reply all setting
On Thu, Apr 21, 2022 at 07:12:07PM -0400, Sean Conner via cctalk wrote:
[...]
> Agree here. I loved the 68K and have fond memories of writing programs in
> it. But while the x86 has been Frankensteined into 64 bits, I don't think
> I can see the 68K ever being a 64-bit architecture. I don't think
On Mon, Jan 31, 2022 at 07:51:28PM -0500, Paul Koning via cctalk wrote:
[...]
> Yes, RT-11 is a somewhat unusual file system in that it doesn't just
> support contiguous files -- it supports ONLY contiguous files. That makes
> for a very small and very fast file system.
> The only other example I
On Mon, Jan 31, 2022 at 02:21:19PM -0800, Fred Cisin via cctalk wrote:
[...]
> That limit lasted until MS-DOS 3.31 / PC-DOS 4.00 After that, the limit
> was bumped up to 2GB. (Probably would have been 4GB if they had used an
> UNSIGNED 32 bit number, and given up the option of having negative file
On Tue, Jan 18, 2022 at 04:47:36PM -0700, Grant Taylor via cctalk wrote:
> On 1/18/22 2:21 PM, Peter Coghlan via cctalk wrote:
>> https://www.thisiswhyimbroke.com/floppy-disk-table/
> I like it!
The ratios are wrong: it's about twice as thick as it ought to be. It's
apparently been designed by
On Sun, Jan 02, 2022 at 06:59:47PM -0700, ben via cctalk wrote:
> On 2022-01-02 6:28 p.m., Zane Healy via cctalk wrote:
[...]
>> On that note a Raspberry Pi 2b running SIMH/VAX is about 1.6 VUPS.
> But can the Pi handle a gazillion students all time sharing at once @
> 2400? How long was the VAX
On Sat, Dec 04, 2021 at 06:20:33PM -, Chris Long via cctalk wrote:
> Great.not.
>
> Why do we need woke Lego?
To annoy people who use dogwhistles.
On Thu, Nov 18, 2021 at 01:09:34PM -0500, Paul Koning via cctalk wrote:
> On Nov 18, 2021, at 11:59 AM, Peter Corlett via cctalk
> wrote:
>> I assume you've already attempted to throw the usual household stuff at it
>> as if it was a phone or TV. If not, dig out the glass clea
On Thu, Nov 18, 2021 at 03:34:19PM +0100, jacob--- via cctalk wrote:
> I got a Apple cube here as part of a larger haul, at some point someone
> placed a bit of tape on the clear polycarbonate case, the tape is long
> gone but the yellow glue remains.
> Am unsure about the hardness of it, if I
On Mon, Oct 25, 2021 at 10:18:51AM +0200, Sijmen J. Mulder via cctalk wrote:
[...]
> It's especially frustrating when, after having put in the work, projects
> refuse even trivial patches for Solaris and derrivatives or sometimes even
> BSDs because 'who uses that anyway'. (I include the patches
On Mon, Sep 27, 2021 at 01:14:54PM -0700, Yeechang Lee via cctech wrote:
> Liam Proven says:
[...]
>> If you were going to spend as much as a new car on an early home
>> computer,
> If you're going to exaggerate for effect, don't exaggerate so much that
> your meaning is lost.
I went and looked
On Mon, Sep 27, 2021 at 09:55:08AM -0400, Murray McCullough via cctalk wrote:
> [...] WIN 11 is much more secure than previous Windows versions. [...]
Windows 11 hasn't even been released yet, so this cannot be known. Any
claims of "much more secure" comes from press releases and other marketing
On Sat, Sep 04, 2021 at 09:34:30AM -0400, emanuel stiebler via cctalk wrote:
> On 2021-09-04 08:30, Antonio Carlini via cctalk wrote:
>> "Digital Diggings" couldn't get BlueSCSI to work on either VAX or Alpha:
>> https://www.youtube.com/watch?v=zFEh7owqHxU=36s. That's a pity as it's
>> much
On Wed, Aug 25, 2021 at 12:04:34PM -0400, Douglas Taylor via cctalk wrote:
[...]
> In the video on youtube and in my experience the screen formating codes
> seem to be incorrect. You can see this in the video when a man page is
> brought up. The bolding does not occur. I get the same result
On Tue, Aug 24, 2021 at 08:47:33AM -0500, John Foust via cctalk wrote:
> At 04:13 AM 8/24/2021, Peter Corlett via cctalk wrote:
>> move.b ([0x12345678, %pc, %d0.w*8], 0x9abcdef0), ([0x87654321, %sp], %a0*4,
>> 0x0fedcba9)
> And which language and compiler case was this aimed at?
On Tue, Aug 24, 2021 at 01:38:33AM +0100, Tom Stepleton via cctalk wrote:
> For the sake of illustration to folks who are not necessarily used to
> thinking about what computers do at the machine code level, I'm interested
> in collecting examples of single instructions for any CPU architecture
>
On Mon, Aug 16, 2021 at 11:10:47AM -0400, Ethan O'Toole via cctalk wrote:
> Scored an A3000. Prior owner cut a hole where the floppy goes and mounted
> a PC floppy in there. Looking for an original front plate and the matching
> floppy drive to restore machine to original look.
Those funky 150RPM
On Sun, Aug 15, 2021 at 01:29:37AM -0400, J. David Bryan via cctalk wrote:
> On Sunday, August 15, 2021 at 12:55, Kevin Parker wrote:
[...]
>> ...but on my limited understanding it required support from the web
>> server to actually give effect to this.
> I believe that's right. At least all of
On Sun, Jul 25, 2021 at 11:46:17AM -0600, Grant Taylor via cctalk wrote:
> On 7/24/21 10:26 PM, Chuck Guzis via cctalk wrote:
>> My recollection of the DMF Microsoft period was that if you purchased a
>> retail MS product using the DMF format and couldn't get it read on your
>> system, a call to
On Wed, Jul 21, 2021 at 10:51:30AM -0700, r.stricklin via cctalk wrote:
[...]
>> Regarding your "IDE HDDs were extremely rare" comment, did *anyone* other
>> than Quantum release an IDE drive in that 5.25" form factor? I can't
>> think of any, everything else was 3.5", although some early vendor's
On Wed, Jul 21, 2021 at 06:48:08AM -0500, Jules Richardson via cctalk wrote:
[...]
> Regarding your "IDE HDDs were extremely rare" comment, did *anyone* other
> than Quantum release an IDE drive in that 5.25" form factor? I can't think
> of any, everything else was 3.5", although some early
On Fri, Jun 25, 2021 at 04:53:08PM -0600, Grant Taylor via cctalk wrote:
> On 6/25/21 2:48 AM, Peter Corlett via cctalk wrote:
[...]
>> The other is in the software layer: the standards are a mess and the
>> full gamut of serial protocols are not available and/or not implemented
&
On Thu, Jun 24, 2021 at 06:46:41PM -0600, Grant Taylor via cctalk wrote:
[...]
> The 4k monitors that I've worked with have been ultra high DPI. This means
> that things that don't have DPI settings end up being tiny on the screen.
It works fine on MacOS, except for various garbage ports from
On Wed, Jun 23, 2021 at 11:42:22AM -0700, Van Snyder via cctalk wrote:
[...]
> I have a vague recollection of a story about a FORTH processor that put
> the addresses of the functions to be executed on the return-address stack
> (68000?) and then executed a RETURN instruction.
I was initially
On Sun, Jun 20, 2021 at 08:06:26PM -0600, ben via cctalk wrote:
[...]
> My latest gripe, is I still am looking for a algorithm to generate code
> for a single accumulator machine for an arithmetic expression. Parenthesis
> need to evaluated first and temporary variables allotted, thus a two pass
>
On Fri, Mar 26, 2021 at 09:02:20AM +0100, Christian Corti via cctalk wrote:
[...]
> Why is the price marked in GBP and why doesn't he ship to Germany?
Assuming anything gets shipped at all. Perhaps they don't want to take money
from anybody too local who might cause them some grief.
I note they
On Sun, Mar 14, 2021 at 04:32:20PM +0100, Maciej W. Rozycki via cctalk wrote:
> On Sun, 7 Mar 2021, Noel Chiappa via cctalk wrote:
>>> The 286 can exit protected mode with the LOADALL instruction.
[...]
> The existence of LOADALL (used for in-circuit emulation, a predecessor
> technique to modern
On Tue, Mar 02, 2021 at 01:06:24PM +0100, Peter Corlett via cctalk wrote:
[...]
> I'll say. Modern kit gets 1 FLOPS per MHz per core [...]
And indeed with the speed of modern machines with clock speeds in the GHz
and TFLOPS, and thousands of cores in some devices, we use large SI
multipliers
On Mon, Mar 01, 2021 at 10:40:41PM -0800, Boris Gimbarzevsky via cctalk wrote:
[...]
> Out of curiousity, decided to benchmark one of my old, really cheap PC
> laptops that got in 2010 and it managed 30 Mflops using double precision
> arithmetic. 10 Mflop performance no longer as impressive as it
On Wed, Feb 03, 2021 at 01:09:50AM -0800, jim stephens via cctalk wrote:
> On 2/2/2021 11:51 PM, Peter Corlett via cctalk wrote:
>> The Raspberry Pi Pico has a similar price to the Blue Pill and seems a
>> much better machine for this task, although I haven't combed through its
>
On Tue, Feb 02, 2021 at 08:50:56PM -0700, ben via cctalk wrote:
> On 2/1/2021 6:07 AM, Peter Corlett via cctalk wrote:
[...]
>> You're describing a failing in C and similar languages stuck in the
>> 1960s. Here's a Rust method that does add-exposing-carry:
>> https://doc.rust
On Tue, Feb 02, 2021 at 09:20:01AM -0800, Chuck Guzis via cctalk wrote:
[...]
> When I last proposed the STM32F407, I was met with "Oh, but the Blue Pill
> is cheaper". Okay, use the Blue Pill, but my code won't work with it. Not
> once has anyone contacted me and said "I'd like to try my hand at
On Mon, Feb 01, 2021 at 08:15:25PM +0100, Liam Proven via cctalk wrote:
> On Mon, 1 Feb 2021 at 20:00, Fred Cisin via cctalk
> wrote:
>> I had always been told, "A pint is a pound, the world around."
"The world" meaning "the USA", of course.
> Aha! Does that mean a pint of water weighs 1lb?
On Fri, Jan 29, 2021 at 01:12:55PM -0800, Chuck Guzis via cctalk wrote:
[...]
> Most old (pre S/360) digit/character-addressable architectures were
> big-endian (i.e. higher-order characters occupied lower addresses)
> Even PDP-11 isn't strictly little-endian, though Intel X86 definitely is.
I
On Wed, Jan 20, 2021 at 02:05:37PM -0700, ben via cctalk wrote:
[...]
> I don't see languages in general have improved since the the mid
> 1960's. Hardware and language models don't reflect each other,
> and don't have extendable data sizes and types.
> PL/I seems to have been the best,but too
On Fri, Jan 15, 2021 at 11:21:11AM -0500, Nemo Nusquam via cctalk wrote:
[...]
> In 1999, a fellow student in a UML course worked for a large information
> company (Reuters, I think?) and told me that they had embarked on an
> expensive s/w conversion project. Their back-end systems were
On Thu, Jan 14, 2021 at 07:43:13PM -0800, Chuck Guzis via cctalk wrote:
[...]
> APL was difficult for those used to traditional programming languages, not
> primarily because of the character set, but because it's basically a
> vector/matrix programming language.
It is *also* the use of symbols.
On Thu, Dec 31, 2020 at 07:43:12PM -0800, Michael Brutman via cctalk wrote:
> Disclaimer: I don't speak for Google ...
> The thread shows a lot of Google bashing. Insinuating that Google makes it
> difficult so that people follow the path of least resistance is part of
> that.
I didn't insinuate
On Wed, Dec 30, 2020 at 10:13:40AM -0500, Bill Degnan via cctalk wrote:
[...]
> Attempting to pull in this thread a tad, there are relatively simple
> measures that can be taken to bring a private mail server into compliance
> with gmail, Amazon, Microsoft level mail server protocol and
>
On Mon, Dec 28, 2020 at 05:12:09PM -0500, Bill Degnan via cctalk wrote:
[...]
> For those of you who run your own mail servers please consider updating
> your DNS / authentication to match gmail standards.
Google has more resources than me. How about they update their systems to
match Internet
On Tue, Dec 15, 2020 at 08:09:04PM +0100, Johan Helsingius via cctalk wrote:
> On 15-12-2020 10:40, Liam Proven via cctalk wrote:
>> It's nothing new. 15y ago or something, there were umpteen Communities on
>> Livejournal for any conceivable subject or interest -- most created by
>> kids without
On Tue, Nov 17, 2020 at 10:34:10AM +0100, mazzinia--- via cctalk wrote:
> Interesting read,
> What is your opinion of the Seagate exos 7e8 units ? (and does SED make any
> difference in ensuring a bit more quality of the platters)
I've not used them, but Exos disks ought to be be just fine. You
On Tue, Nov 17, 2020 at 09:36:00AM -0500, Bill Gunshannon via cctalk wrote:
[...]
>>> It also turns out that £1 ≈ €1 ≈ $1.
> Close, but no cigar. I just bought something from Europe 3 days ago.
This rule of thumb only applies to stuff imported from the USA to Europe, or
from anywhere to the UK.
On Tue, Nov 17, 2020 at 02:54:27PM +0100, Liam Proven via cctalk wrote:
> Peter Corlett via cctalk wrote:
>> Five MyBooks bought 18 months ago had debranded He8 disks in there: very
>> nice.
>> The three Elements a few months back have (non-SMR) WD Reds in them, which
On Wed, Nov 18, 2020 at 12:20:36PM -0800, Fred Cisin via cctalk wrote:
[...]
>> But yesterday, I discovered that the 'L' in words such as "palm", "balm" and
>> "psalm" is _no longer_ silent and is actively pronounced in some regions of
>> the US, and mere surprise was no longer adequate and I was
On Tue, Nov 17, 2020 at 12:37:23AM -0500, Ethan O'Toole via cctalk wrote:
[...]
> HGST. 4TB seem really good.
I have a half-dozen of those in raidz2 on my workstation and can confirm. HGST
disks are good enough that WD bought them, declared them to be so good that
they are clearly Enterprise
On Thu, Oct 22, 2020 at 11:30:40AM -0700, brian--- via cctalk wrote:
> Oddball question here: has anyone ever seen a way to cap off or protect
> standard 0.1" pin header jumpers?
I prefer to not leave boards in places where stuff like pin headers can be
damaged. And really, pin headers are the
On Mon, Sep 28, 2020 at 03:12:50PM +0200, Lawrence Wilkinson via cctalk wrote:
> Sorry I accidentally deleted this message from Dag Spicer, so here it is
> for cctalk. Reply to him or the list, not me!
[I'm not going to attempt to clean-up the top-quoted mess; check your archive
if you can't
On Mon, Sep 21, 2020 at 11:29:14PM -0500, Richard Pope via cctalk wrote:
> The Amiga 1000 with AmigaDos and Workbench was released in late 1985.
> AmigaDos is based on Unix and Workbench is based on X-windows.
Er, no.
The Amiga's operating system is a pre-emptive multitasking microkernel which
On Sun, Aug 30, 2020 at 11:02:50AM -0500, Jules Richardson via cctalk wrote:
[...]
> I found it next to impossible to find information on what - if any -
> technology a particular SSD uses to extend lifespan; while manufacturers all
> compete on things like capacity and speed, very few of them
On Thu, Aug 27, 2020 at 07:11:05AM +, Randy Dawson via cctalk wrote:
[...]
> I hope you say no, because I will probably learn more by keying in the code
> in the text, and finding my errors.
The errors in the code will not be yours. You will learn more by throwing
everything written by
On Thu, Aug 20, 2020 at 04:38:49PM +1000, Steve Malikoff via cctalk wrote:
[...]
> I had a thought, that if the pin spacing was on par with say a common 15-pin
> VGA male connector I could buy a bunch of dirt cheap Golden Dragon ones, set
> them up in the mill and run a high speed slitting saw
On Fri, Jul 24, 2020 at 12:59:51AM +, dwight via cctalk wrote:
> I would think to be a mainframe, it has to have a I/O processor. That is
> about all I can think of.
Contemporary PCs satisfy that description: GPUs are the most visible I/O
processor, and all of the other bus interfaces such as
On Wed, Jul 15, 2020 at 01:09:21PM -0700, Ali via cctalk wrote:
[Hardware RAID controllers]
>> There is no good use case for them in 2020, which is why they're all
>> suddenly quite cheap.
> Why do you say that? Not disagreeing per se but just wondering the reasoning
> behind it.
On the "no good
On Thu, Jul 16, 2020 at 08:52:16AM -0700, Ali via cctalk wrote:
[...]
> This is an article (for the layman) written in 2010 predicting the lack of
> usability of RAID 6 by 2019:
> www.zdnet.com/article/why-raid-6-stops-working-in-2019/. I found the math in
> it interesting and the conclusions
On Tue, Jul 14, 2020 at 10:47:11AM -0700, Ali via cctalk wrote:
[...]
> Is there any reason a Smart Array controller can't be used as a simple SCSI
> controller? I.E. No array, just using it to drive a tape library? TIA!
In general, hardware RAID controllers cannot be used as ordinary
On Thu, Jul 09, 2020 at 01:24:11PM +0200, Stefan Skoglund via cctalk wrote:
[...]
> Vikt (tittade pga frågan om diskarna på vad frakten från Nederländerna skulle
> kosta dvs ca 250 SEK) ?
According to Google Translate: "how much to Sweden?"
For Sweden specifically, about €10 or SEK100. For
On Mon, Jul 06, 2020 at 03:54:10PM -0600, Grant Taylor via cctalk wrote:
[...]
> If I needed one of those drives, I'd be willing to pay $1 / GB plus shipping
> and handling if they were known to be good. (If I needed them) I would buy
> them sight unseen if you ran SpinRite level 2 on the drives
On Sun, Jun 28, 2020 at 01:32:02PM -0700, Chuck Guzis via cctalk wrote:
[...]
> Why is byte-granularity in addressing a necessity?
Because C's strings are broken by design and require one to be able to form a
pointer to individual characters.
> It's only an issue if you have instructions that
On Sat, Jun 27, 2020 at 07:15:25PM -0600, ben via cctalk wrote:
[...]
> At what point do variable names end being comments? There needs to be more
> work on proper documenting and writing programs and modules.
What, auto-generated "documentation" which just lists function names and type
On Thu, Jun 18, 2020 at 10:28:05PM -0400, Tony Aiuto via cctalk wrote:
[...]
> And sometimes, a picture really is worth 1000 words.
But pictures also consume magnitudes-of-order more resources than a thousand
words, and should be used rather more judiciously than they are.
> A tiny SVG diagram
On Fri, Jun 19, 2020 at 12:21:14AM +0100, Pete Turnbull via cctalk wrote:
> [...] Some of the UK banking systems like HOBS survived using viewdata that
> way up to the end of the 1990s, and I still have at least a couple of 1275
> modems.
Hobbyists are still running Viewdata BBSes. Here's one
On Thu, Jun 18, 2020 at 09:42:16AM +0100, Dave Wade via cctalk wrote:
[...]
> I wrote this as one dollar => $1.00
> This as one pound => $1
> And this as one euro => €1
> Lastly one cent => ¢1
This came over the wire as follows:
> Content-Type: text/plain; charset="utf-8"
>
On Wed, Jun 17, 2020 at 10:50:20PM +0100, Rob Jarratt via cctalk wrote:
[...]
> Easy, pictures of unidentified components, sending out schematics that have
> been reverse engineered, documentation, pictures of scope traces when trying
> to find a fault, all sorts. I would agree on a size limit
On Wed, Jun 17, 2020 at 05:39:44PM -0400, Ethan O'Toole via cctalk wrote:
[...]
> The early plasma TVs usually had BNC RGBHV inputs and such. They could take
> VGA in very easily. I'm pretty sure a PC would have been way easier to deal
> with and could reach much higher resolutions... without
On Tue, May 26, 2020 at 05:04:10PM -0700, Fred Cisin via cctalk wrote:
[...]
> also, the Amiga wrote track rather than sector at a time, so a sector write
> needed to be delayed until the track was ready to be written
And could therefore corrupt ten unrelated sectors from other files at the same
On Tue, May 26, 2020 at 02:19:41PM -0700, Yeechang Lee via cctalk wrote:
[...]
> Longstanding tradition in the British computers market.
> "*New Scientist* stated in 1977 that 'the price of an American kit in dollars
> rapidly translates into the same figure in pounds sterling by the time it has
On Mon, May 25, 2020 at 04:17:25PM +0200, Liam Proven via cctalk wrote:
[...]
> So, yes, PETSCII lets you draw some stuff, but I was only about 12. It really
> wasn't enough to grab me for long, not for the price of a car.
If you prefer the price of your wheels to be around £205, there's this
On Sat, May 23, 2020 at 01:24:01PM -0700, Fred Cisin via cctalk wrote:
> On Sat, 23 May 2020, Liam Proven via cctalk wrote:
[...]
>> • the Sinclair ZX Spectrum, which was cheaper & had a crappy keyboard,
> That was a keyboard??
> I thought that it was just a picture of a keyboard glued on, as a
On Thu, May 21, 2020 at 01:34:09PM +0200, Sytse van Slooten via cctalk wrote:
[...]
> So basically what it comes down to is Quartus or Vivado. I’ve kind of
> implicitly chosen Quartus, because the Altera based development boards tend
> to be a lot nicer and cheaper than the Xilinx based stuff. I
On Tue, Mar 10, 2020 at 10:07:45AM +1100, Doug Jackson via cctalk wrote:
> At the end of the day there are three paths.
> 1. Accept that HP doesn't give two hoots about hobbyists and patch the
> abandoned operating system to fix the problem.
Welcome to the eyepatch-and-parrot approach of the
On Sat, Feb 22, 2020 at 12:47:44AM -0800, Ali via cctalk wrote:
> Does anyone have the "Extended Industry Standard Architecture Revision 3.10"
> specification either in printed/book form that they are willing to separate
> from or in some sort of electronic format ala PDF? I am mostly interested
On Wed, Jan 08, 2020 at 10:17:29AM -0800, Chuck Guzis via cctalk wrote:
> Before I go delving into my pile of SCSI X3T10 documentation and interface
> chip datasheets, exactly *which* flavor of SCSI are we talking about here?
Given the reference to the Amiga, almost certainly SCSI-1, i.e. 8 bit
On Thu, Nov 07, 2019 at 09:31:04AM -0200, Alexandre Souza via cctalk wrote:
> Last IP address of the server (71.91.242.107) also directs to a "it works"
> page, so the entire directory may have been deleted. I also tried to access
> subpages (like
On Wed, Oct 30, 2019 at 02:21:07AM +, Mark Linimon via cctalk wrote:
> Any hints about where in the world this is?
Rule zero: if a location isn't given, it it almost certainly in the USA. Most
Americans think that the world ends at the US border, so this is a very safe
assumption.
On Sat, Oct 19, 2019 at 02:23:46PM -0400, Nigel Johnson via cctalk wrote:
> Judging by the year, it was probably a teletext terminal. [...]
It's not Teletext, unless that word means something different on the other side
of the Pond. Teletext was basically a text system (the hint's in the name)
On Wed, Aug 28, 2019 at 07:07:21PM +1000, Guy Dunphy via cctalk wrote:
[...]
> RIFA caps may be the most hated components in electronics. Even worse than
> dipped
> tantalums, popped electrolytics, and decaying urethane foam.
Amiga collectors would say "batteries", since Commodore selected a
On Thu, Aug 22, 2019 at 12:47:28PM -0500, Tom Uban via cctalk wrote:
[...]
> On a possible related note, I am looking for information on converting CISC
> instructions to VLIW RISC.
Do you mean the theoretical basis, or implementing it? And is this
ahead-of-time ("I want to run *this* binary"),
On Thu, Aug 22, 2019 at 06:30:10PM +, Henk Gooijen via cctalk wrote:
> A few weeks ago I shipped approx 39 kilos from The Netherlands to USA (HP
> A990). At least in Holland, most shippers do not accept such heavy stuff (max
> 30 kilos).
Yeah, well, "dat kan niet" *is* the Dutch motto. I'm
On Thu, Aug 22, 2019 at 10:31:46AM -0700, Steven Stengel via cctalk wrote:
> How do I ship a 50 pound computer from Europe to the United States? Who has
> good rates?
"Europe" contains so many diverse states and cultures that you're going to have
to be a bit more precise about where in the 4
On Sat, Jul 06, 2019 at 12:54:28PM +0300, Bill Degnan via cctech wrote:
> Hi...I am arriving at Gatwick Airport this weds evening1045pm and I have a
> 17 hour layover. I'd like to visit the national computer museum at
> bletchley park about an hour north. [...]
It's actually *two* hours north;
On Fri, Jul 05, 2019 at 03:05:32PM -0600, Grant Taylor via cctalk wrote:
[...]
> How many different protocols / methods can we collectively come up with for
> how email can be transferred?
I use rsync (over ssh) for transferring between a couple of my mail servers. It
is perhaps one of my
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