On Tuesday, February 27th, 2024 at 13:30, ben via cctalk
wrote:
> I had z80/s100 kit once, but the power supply failed taking every thing out.
Ouch.
> I think the PI is too cheap of computer build wise for emulation
> of any system. It might blink your lights, but never run 20 users
>
Hi Paul,
thanks for your answer and the interesting links...
> > Aha, interesting! Did a short search, but have not been able to
> > find a picture of a casette. Just a pile of paper tape instead ;-)
> >
> > https://images.app.goo.gl/HYqkpYHJUxZeGfiA8
>
> Bitsavers has a collection of G-15
> On 02/27/2024 2:13 PM CST Doug McIntyre via cctalk
> wrote:
>
>
> On Tue, Feb 27, 2024 at 11:10:34AM -0700, ben via cctalk wrote:
> > PS: With low cost Chinese PCB's and vintage parts, why are people not
> > building real hardware replica's of interesting machines.
> But they are..
You
On Tue, 27 Feb 2024, Dr. Erik Baigar wrote:
I wonder whether anyone kows if someone else had the idea
of putting paper/mylar tape into a casette for repeated use
e.g. to load an OS or similar.
The Diehl Dilector had cassettes with a paper tape loop.
Christian
The “support” channel has the most info on the applesause.
Sent from my iPhone
On Feb 27, 2024, at 15:12, Wayne S wrote:
Chuck, not to disagree much, because you are an expert, but there’s more to
decoding floppies than just reading them. Some floppies have tracks that are
recorded at
Chuck, not to disagree much, because you are an expert, but there’s more to
decoding floppies than just reading them. Some floppies have tracks that are
recorded at different speeds. Some have tracks that use different modulation
gcr on some and mfm on others. A lot of floppies have different
On 2/27/24 14:42, Wayne S via cctalk wrote:
> Take a look at the Applesauce.
> It hooks up to a lot of different floppy drives and records and decodes the
> flux.
> Version2 of the hardware is being sourced and should be available in a few
> months.
>
Good grief, there are more of these
> On 02/27/2024 12:29 PM CST paul.kimpel--- via cctalk
> wrote:
> Bitsavers has a collection of G-15 manuals.
Rob Kolstad (formerly of BSDI) and I sat down last August to categorize
his online scans. AFAICT he has the largest collection. (Of course
I forgot to bring my copy of the technical
Take a look at the Applesauce.
It hooks up to a lot of different floppy drives and records and decodes the
flux.
Version2 of the hardware is being sourced and should be available in a few
months.
Sent from my iPhone
> On Feb 27, 2024, at 14:32, Martin Bishop via cctalk
> wrote:
>
>
>>
> On 02/27/2024 9:05 AM CST Jon Elson via cctalk wrote:
>
> I think the Bendix G-15 had cassettes for the 5-level tape
> they used.
I can confirm this from personal experience.
mcl
>> I would love to see a PDP-8 with 1/2 size flip chips using today's smaller
>> logic.
Can you get the logic ? Especially the bus / backplane driving parts.
https://retrocmp.com/projects/qbone/326-qbone-unibone-alternative-bus-drivers
Q-bus transceivers (DS8641 being a classic) are
On 2024-02-27 1:13 p.m., Doug McIntyre via cctalk wrote:
On Tue, Feb 27, 2024 at 11:10:34AM -0700, ben via cctalk wrote:
PS: With low cost Chinese PCB's and vintage parts, why are people not
building real hardware replica's of interesting machines.
But they are..
I can't tell what you'd find
On Tue, Feb 27, 2024 at 11:10:34AM -0700, ben via cctalk wrote:
> PS: With low cost Chinese PCB's and vintage parts, why are people not
> building real hardware replica's of interesting machines.
But they are..
I can't tell what you'd find interesting since the list is pretty wide.
I've got an
On 2/27/24 10:10, ben via cctalk wrote:
> On 2024-02-27 9:20 a.m., CAREY SCHUG via cctalk wrote:
>> It's not a cassette, but the PB-440 (Pitney-Bowes), renamed Raytheon
>> 440 and its upgrade the raytheon 520 had a large reel paper tape with
>> a bidirectional read and an "operating system" Load
erik＠baigar.de wrote:
>
> > think the Bendix G-15 had cassettes for the 5-level
> > tape
> > they used.
> Aha, interesting! Did a short search, but have not been able to
> find a picture of a casette. Just a pile of paper tape instead ;-)
>
> https://images.app.goo.gl/HYqkpYHJUxZeGfiA8
On 2024-02-27 9:20 a.m., CAREY SCHUG via cctalk wrote:
It's not a cassette, but the PB-440 (Pitney-Bowes), renamed Raytheon 440 and its upgrade
the raytheon 520 had a large reel paper tape with a bidirectional read and an
"operating system" Load the os, say we want to run fortran, spin down
On 2/27/24 08:58, erik--- via cctalk wrote:
Hi Jon!
think the Bendix G-15 had cassettes for the 5-level tape
they used.
Aha, interesting! Did a short search, but have not been able to
find a picture of a casette. Just a pile of paper tape instead ;-)
It's not a cassette, but the PB-440 (Pitney-Bowes), renamed Raytheon 440 and
its upgrade the raytheon 520 had a large reel paper tape with a bidirectional
read and an "operating system" Load the os, say we want to run fortran, spin
down to fortran, read the program in on 80 column cards
Hi Jon!
> think the Bendix G-15 had cassettes for the 5-level tape
> they used.
Aha, interesting! Did a short search, but have not been able to
find a picture of a casette. Just a pile of paper tape instead ;-)
https://images.app.goo.gl/HYqkpYHJUxZeGfiA8
> of mylar tape instead of paper.
On 2/27/24 00:17, Dr. Erik Baigar via cctalk wrote:
I wonder whether anyone kows if someone else had the idea
of putting paper/mylar tape into a casette for repeated use
e.g. to load an OS or similar.
I think the Bendix G-15 had cassettes for the 5-level tape
they used.
I had an optical
> On Feb 27, 2024, at 1:17 AM, Dr. Erik Baigar via cctalk
> wrote:
>
>
> Hi there - recently I posted a small video on a rugged
> paper tape casette...
>
> https://www.youtube.com/watch?v=O2jnThYsPKc
>
> I wonder whether anyone kows if someone else had the idea
> of putting paper/mylar
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