On Sun, 19 Jan 2025, Tony Duell via cctalk wrote:
You can do an awful lot without microcontrollers.
A rabbit hole to wander down in this vein is BEAM Robotics...
e.g. https://en.wikipedia.org/wiki/BEAM_robotics
Gordon
On Fri, 3 May 2024, Steve Lewis via cctalk wrote:
There was talk regarding BASIC as an operating system.
Basic as an Operating System vs. An Operating system written in Basic?
The original Acorn Archimedes (First ARM CPU system) had an OS initially
called "Arthur" which was written in BBC Ba
On Wed, 1 May 2024, Mike Katz via cctalk wrote:
Let's hear your earliest introduction to BASIC.
The first computer I used ran BASIC - HP9830A. I was at school in
Edinburgh in '77/'78. I was 15/16 at the time.
The "stupid computer" beat me at "NIM" then the teacher showed me the
listing - "
On Wed, 24 Apr 2024, David Brownlee via cctalk wrote:
If we're talking about machines with a Z80 and 6502, it would be
remiss not to link back to the machine mentioned in the original
message - the BBC micro, with its onboard 6502 and "Tube" interface
which could take a second processor option,
On Wed, 6 Sep 2023, Christian Corti via cctalk wrote:
On Tue, 5 Sep 2023, Tom Ivar Helbekkmo wrote:
James B DiGriz via cctalk writes:
Oh, I've always been interested in them, just that opportunity and
means never converged when I wasn't distracted by other things, and
then they became yester
On Mon, 4 Sep 2023, Bill Gunshannon via cctalk wrote:
Weren't the TI 900 series the things called Transputers?
I don't think so...
You may be thinking of the Inmos T9000 Transputer - successor to the T800
and T4xx (16-bit) series Transputer...
Gordon
(Worked for one of the spin-off compani
On Sat, 5 Aug 2023, Bill Degnan via cctalk wrote:
Something has to be the most sought-after thing in every collectors'
hobby. The Apple I is not historically significant enough alone to justify
the prices they get, there is a cultural/memorabilia component too. Just
rare enough to form an elit
On Fri, 4 Aug 2023, Paul Koning via cctalk wrote:
On Aug 4, 2023, at 9:05 AM, Gordon Henderson via cctalk
wrote:
I have a HiPlot plotter - it's DMP-29, but I'm fairly sure it takes the
same pens as the DMP-2 which I also have but in a million pieces - but
right now without pens
I have a HiPlot plotter - it's DMP-29, but I'm fairly sure it takes the
same pens as the DMP-2 which I also have but in a million pieces - but
right now without pens.
I have been promised some but it may be many weeks...
I'm wondering if anyone has any old (or NOS?) pens for them? What I'm
On Thu, 22 Dec 2022, Cedric Amand via cctalk wrote:
Hey everyone, No - I won't ask if this is on topic or not :) I'm
currently reparing an ALPS plotter ( a Tandy "ce 150" equivalent ) and
it's not the first time I face the same problem ; how to replace NiCD
batteries. In the past what I did is
On Fri, 23 Sep 2022, emanuel stiebler via cctalk wrote:
Hi all,
anybody has some GCC or any other tool chain for the above?
Or some pointers, which was the last version of the GCC tool chain which
supported the i860, and would be still compile-able on this days tools/OS's?
Anything?
I can't
On Tue, 28 Sep 2021, Al Kossow via cctalk wrote:
"I've been using vi for about two years, mostly because I can't figure out
how to exit it."
:q
you're welcome
No, no... you're doing it all wrong ... it's ZZ
See . :q is colon q enter, so 3 buttons. ZZ is jsut 2 buttons (shift
doesn't count
On Tue, 24 Aug 2021, Tom Stepleton via cctalk wrote:
Hello,
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 that
are unusually
On Wed, 23 Jun 2021, Van Snyder via cctalk wrote:
On Wed, 2021-06-23 at 13:36 -0400, Paul Koning via cctalk wrote:
Typical FORTH implementations are neat in that respect, since they
use a threaded code encoding that allows for fast and efficient
switching between threaded code (subroutine calls
I'm moving soon and need to down-size a little, so selling off my PDP-8/a.
It has 16KW core and is in full working order. It has the serial IO board
which I think was standard in the 8/a anyway. It's a 3-card system plus
the 2 x 8KW core boards.
Also included is a Vincent Slyngstad memory/r
On Fri, 29 May 2020, Dave Wade via cctalk wrote:
-Original Message-
From: cctalk On Behalf Of Bill Gunshannon
On 5/29/20 5:24 PM, Jim Brain via cctalk wrote:
At the risk of fanning the language fire, C seems to be a smaller step
up from native machine language than most other languag
On Sat, 22 Feb 2020, Stefan Skoglund via cctalk wrote:
fre 2020-02-21 klockan 14:17 +0100 skrev Christian Corti via cctalk:
Hi,
I'm looking for information about Westward graphics workstations,
especially for the 2019 (from about 1983) and the 2220 (about 1987).
Christian
I believe that is t
On Wed, 28 Aug 2019, Peter Coghlan via cctalk wrote:
I've had several instances of it with BBC Micros, also containing Astec brand
power supplies. Typically, when switched on after a long period of idleness,
the machine works fine for minutes to hours, then there is a quiet pop followed
by a wh
As an aside - once upon a time I worked for a company that made their own
Sparc boards to fit inside a supercomputer and several of them were inside
secure military/government establishments. Sometimes a board would fail
and have to go back for a fix - and then the RTC/NVRAM chip had to be
r
On Fri, 2 Nov 2018, Columbia Valley Maker Space via cctalk wrote:
Hello everyone - my first post, so be easy on me!
I have just acquired a PDP8/a and a Remex punch tape reader. The unit
starts up and displays some data on the displays, and that is about all
I can tell you.
I am going to do som
On Fri, 26 Oct 2018, emanuel stiebler via cctalk wrote:
On 2018-10-25 14:48, Chuck Guzis via cctalk wrote:
While this was a failure on a spectacular level, it was by no means the
only misstep by Intel. The i860 RISC CPU at one time was even being
endorsed by BillG as a possible personal comp
On Tue, 23 Oct 2018, ben via cctalk wrote:
On 10/23/2018 3:32 PM, Gordon Henderson via cctalk wrote:
On Tue, 23 Oct 2018, ben via cctalk wrote:
The PDP 11 is nice machine, but I am looking for simpler designs
where 16K words is a valid memory size for a OS and small single user
software
On Tue, 23 Oct 2018, ben via cctalk wrote:
The PDP 11 is nice machine, but I am looking for simpler designs
where 16K words is a valid memory size for a OS and small single user
software.
Try the Modular One with an OS written in BCPL.
https://www.cs.ox.ac.uk/files/3230/PRG08.pdf
Although
On Wed, 10 Oct 2018, Al Kossow via cctalk wrote:
On 10/10/18 8:56 AM, Gordon Henderson via cctalk wrote:
I will - once I've worked out how to open it. Took the plastic covers
off to find an enclosed steel case. Tin opener?
there are pictures of the one I have open at
http://bitsaver
On Wed, 10 Oct 2018, Al Kossow via cctalk wrote:
On 10/10/18 7:00 AM, Al Kossow via cctalk wrote:
On 10/10/18 2:42 AM, Gordon Henderson via cctalk wrote:
So I'm a bit stuck. I've found some manuals online but they're not really
helping - I'll take it to bits later and s
Long shot, but you never know...
I recently obtained an Altos 386/1000 system (80386 + 4GB RAM in a tower
case with tape drive and floppy)
After a quick clean and check it powered up, gave a whinge about a flat
battery (which I'm told is to be expected), and then booted SysV r3 Unix
OK.
On Wed, 9 May 2018, Mike Loewen via cctalk wrote:
I recall using 'trn' as my goto reader, back in the day.
Some of us still use trn to this day
Gordon
On Tue, 1 May 2018, Hagstrom, Paul via cctalk wrote:
On May 1, 2018, at 6:06 PM, Bill Gunshannon via cctalk
wrote:
Personally, I find all of this hilarious. ebay has been shady for as long
as I have watched it. I gave up seriously bidding on "auctions" years ago.
Seems every time I bid an
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