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Re: Who Knew ?

Path csiph.com!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From Andreas Kohlbach <ank@spamfence.net>
Newsgroups comp.os.linux.misc, alt.folklore.computers
Subject Re: Who Knew ?
Followup-To alt.folklore.computers
Date Mon, 01 Nov 2021 13:52:08 -0400
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Cross-posted to 2 groups.

Followups directed to: alt.folklore.computers

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On Mon, 1 Nov 2021 04:44:51 +0000, The Natural Philosopher wrote:
>
> On 31/10/2021 19:47, Andreas Kohlbach wrote:
>> On Sun, 31 Oct 2021 13:35:46 +0000, The Natural Philosopher wrote:
>>>
>>> More than that, operating in small model mode, you could pretty much
>>> run 8080 code through a translator and port CP/M programs to it
>>> easily.
>>> The business market had been taken by the 8080/z80 and CP/M while the
>>> hobbysist were all using 6502s.
>> Hmm. If you consider the "bedroom coders" in the UK hobbyists - they
>> mainly coded on the ZX Spectrum (may some on the ZX81/80 before), which
>> has a Z80 CPU.
>
> Most UK 'home' computers were *not* based on a z80.
>
> Sinclair came very late to the party.
>
> First micro I saw was altair 8800 - s100 bus. 8080. That was serious
> . 1974 or thereabouts

"Home computers" are described from any micro as the Altair 8800
(designed 1974 but showed up in January 1975 to start the craze). True,
that one had a 8080.

> The Apple 1 was around 1973, 6502 again

It was released 1976. The 6502 itself is from 1975. About 200 Apple 1
were produced, making it a collector's item today. Only with the Apple 2
a year later they produced large quantities.

> Then the Apple II, PET and trash 80 came a couple of years later.

1977.

> Only the trash 80 was z80. But it could be used in business.

I think the TRS-80 can also be considered a non-business computer. 

> At that time the split was clear. CP/M was for business and ran on
> Z80s/8080s.

UK "Home micros" with a Z80 (ZX Spectrum, Amstrad CPCs, ...) where not
shipped with CP/M, although you could probably run it. Did this (in an
emulator) with the CPC <https://www.youtube.com/watch?v=qStVxf0XlE0>.

> 6502s were for hobbyists writing in basic and assembler.

The UK market (and that's what we're talking here about) saw more Z80
based ZX (Spectrum, 81/80) machines that Commodore 64s.

But the UK saw also a big number of Acorn computers, which ran a
6502. Those, like Apple 2s, were rather expensive that they were mainly
used in the education sector.

If you check some links of
<https://en.wikipedia.org/wiki/List_of_British_computers> it can be
noticed that most of the used a Z80.

> As for 6809s - great chip. No one really used it.

The TRS color computer and "clone" Dragon 32/64 did. Latter also sold in
numbers.

[...]

>> OK, there were many using a C64 (6510, similar to a 6502) and the
>> Oric,
>> which sold reasonably well in the UK and France back in the day.
>> But considering me as hobbyist back in the 1980s I indeed started to
>> code
>> in assembler on a 6502 (C64).
>> 
>
> Exactly.  Wasn't Apple II  a 6502 as well?

Yes, but at least in Europe to expensive for the common user. Outside the
UK most got a C64, while in the UK Spectrums ruled the market.

F'up2 alt.folklore.computers
-- 
Andreas

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