18 Jan
2004
18 Jan
'04
4:41 a.m.
On Fri, 16 Jan 2004, Tony Duell wrote:
thinking about it) were based on microprocessors. But
I do remember a
Byte article on making a homebrew CPU (from TTL). I think it was called
'EGO', and hung off a Tandy 2000.
There has been a series of articles in the Elektor magazine from mid'74
until 1975 with the title "Computer 74". It was a real CPU that was built
with SN74xx TTL parts. The Funkschau magazine showed the principles of a
simple four species electronic calculator with transistors, this was in
the late 60's.
Christian