The quick version : Does anyone know the exact physical and logical
disk format used by CP/M on the Philips P2000C portable computer?
The long version with explanations :
I am having reasonable success transfering files to/from disk images
for my Osborne 1A (using cpmtools) and IBM5155 (MS-DOS, o
Hello everyone,
I am working on a Rainbow 100A which is showing a diagnostic code on the
lights at the back of 0110101. This is supposed to be Message 1 "Main Board
Video".
I have disassembled the 8088 firmware and checked address traces with a
logic analyser and my suspicion is that actual
Tony,
Maybe this software catalogue will help you:
https://electrickery.nl/comp/p2000c/doc/PTC_Katalogus.pdf
-Rik
-Oorspronkelijk bericht-
Van: Tony Duell via cctalk
Verzonden: zondag 8 december 2024 19:55
Aan: General Discussion: On-Topic and Off-Topic Posts
CC: Tony Duell
Onderwerp
On Sun, Dec 8, 2024 at 12:39 PM Rob Jarratt via cctalk <
cctalk@classiccmp.org> wrote:
> Hello everyone,
>
>
>
> I am working on a Rainbow 100A which is showing a diagnostic code on the
> lights at the back of 0110101. This is supposed to be Message 1 "Main Board
> Video".
>
OK That's likely a fa
Hello Warner,
Thanks for your detailed reply.
I forgot to mention that I do get a display of sorts, it looks like this:
https://robs-old-computers.com/wp-content/uploads/2024/11/img_20241127_222706.jpg
I had assumed that this would mean the DC011 and DC012 were OK, otherwise it
wouldn
