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Commodore Business Machines and their products. Use more specific tags like [commodore-64] or [amiga] instead if appropriate.
20
votes
7
answers
5k
views
Which 8-bit computers were used in German schools in the 1980s?
I know Commodore was big in Germany, which would make it a likely candidate, unless nationalistic pressure acted again? …
1
vote
1
answer
559
views
Amiga versus Atari ST computer introductions [closed]
Commodore introduced some important products at conventions: PET at West Coast Computer Faire 1977, CBM 8032 at NCC 1980, C64 at CES 1982. What was the format of these? … the Atari ST was therefore just a 'walk up to the booth and take a look' affair, whereas the Amiga could get a more elaborate stage presentation of the kind Steve Jobs liked to arrange, and this is why Commodore …
6
votes
1
answer
544
views
Commodore-Motorola lawsuit in 1984
According to Commodore: The Amiga Years, the reason the Commodore UNIX machine project in the early 80s used the Z8000 rather than the 68000 was an ongoing lawsuit with Motorola:
With the Commodore-Motorola …
0
votes
1
answer
248
views
Commodore – The Inside Story [closed]
Commodore – The Inside Story, by David Pleasance, who was a manager in Commodore UK. …
9
votes
1
answer
658
views
Selling computers via dealers and the mass market
Looking at the history of Commodore as discussed in e.g. http://www.filfre.net/2012/04/computers-for-the-masses/ they started off selling the PET as a business computer via dealers, then introduced the … This apparently led to many dealers feeling betrayed and abandoned and in turn abandoning Commodore, which was a problem a few years down the road when they introduced the more expensive Amiga and wanted …
5
votes
1
answer
793
views
First Commodore 80-column monitor
Commodore made color monitors previously, but the ones used with machines like the 64 and Plus/4 only had to display 40 columns; some of the later PET models did 80, but that was monochrome. … Was the 1084 the first Commodore color monitor suitable for 80-column text? …
6
votes
1
answer
700
views
When did MOS Technology upgrade to 5µm?
I'm trying to understand exactly why various chips were designed the way they were at different times, in the service of which I have a rather specific question:
When did MOS Technology upgrade to 5µ …
13
votes
6
answers
2k
views
Part-bad chips other than RAM
Still useless for the C64, of course, but Commodore did (mistakenly, but still did) introduce the C16 as a spriteless lower-end machine. … But Commodore was a very cost-conscious company that was known to base designs on what kind of chip they currently had in surplus; if they didn't do that, is there a reason I am overlooking? …
17
votes
5
answers
4k
views
Why was the 1540 a computer in its own right?
The Commodore 1540 disk drive, along with its better-known successor the 1541, is a computer in its own right, with its own 6502 CPU.
Why was it designed like that? …
8
votes
0
answers
235
views
The works of Frontier Manufacturing
Having spent the last however many decades believing Commodore Semiconductor Group was a simple rename of MOS Technology, I just watched a video – quite interesting in its own right – which casually remarks … Much has been said and written about the central importance of MOS Technology in the history of Commodore as a computer company; almost no one seems to have even heard of Frontier Manufacturing, and no …
24
votes
7
answers
2k
views
Commodore BASIC and binary floating point precision
Are there any easy example that show precision errors in Commodore BASIC, that would not be present if it would be based on decimal FP? … Some Commodore BASIC (MS-BASIC) equivalent to the 0.1 + 0.2 = 0.3 test on IEEE 754. …
3
votes
1
answer
493
views
Transatlantic gray market Commodore PETs and 220V/50Hz vs. 115/60Hz
In the late seventies, Commodore sold the PET in Europe at a considerably higher price than in America; they could get away with this because there was less competition there. …
2
votes
1
answer
338
views
TED computers and delayed RAM chips
From 'A Company on the Edge', page 545:
Commodore marketing scheduled the release of the TED computers for May 1984, but met with inevitable delays due to RAM shortages and problems with the supplier …
10
votes
1
answer
1k
views
Commodore Plus/4 60671 bytes free - how?
It is widely known that, while the Commodore 64 did indeed provide 64K of RAM for machine code programs, only 38K was usable from BASIC; this was because bank switching was needed to get at the rest, but … But the Commodore Plus/4 apparently provided 60K to BASIC programs. By the above reasoning, this should be impossible.
How did it work? …
5
votes
0
answers
179
views
Vic-20 total game cartridge sales
Game cartridges on the Commodore machines faded away later, but seemed to be quite popular at that time: http://www.zimmers.net/anonftp/pub/cbm/vic20/Cartlist-1.9m.txt
Console manufacturers plan on eventually … I would be interested in either a number by Commodore alone, or by Commodore plus third parties. …