14 Nov
1998
14 Nov
'98
1:36 p.m.
What you want to look for is a device that could use
BCD (or another 4
bit code), and that would need a CPU, and that wouldn't gain much from
the extra instructions of the 4040. Such things are not that common.
That describes many devices that use Texas Instruments TMS100
and descendants instead of 4004's :-).
How come people are so hot after 4004's and 8008's - even ripping
up PDP-11/34a's to get at the 8008's inside, for example - when nobody
cares about the TMS100's?
Tim.
14 Nov
14 Nov
2:22 p.m.
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5:57 p.m.
On Sat, 14 Nov 1998 CLASSICCMP(a)trailing-edge.com wrote:
How come people are so hot after 4004's and
8008's - even ripping
up PDP-11/34a's to get at the 8008's inside, for example - when nobody
cares about the TMS100's?
Because TMS1000's are still made last I checked. The 4004 has been
"obsolete" for a while, it is known as the first microprocessor, it's the
ancestor of the MPU used in the ubiquitous PC, and it comes in that cool
white ceramic case. Not to mention the challenge of finding them -- sort
of a large scale hide and seek game.
They're not as interesting as working computers, but they're more
interesting than most other obsolete MPU's. Personally, I don't make much
of an effort to collect CPU's, but I do try to collect the docs for them,
and I'm still looking for an MCS-4 manual or copy thereof (or scan, Eric).
-- Doug
6:12 p.m.
Doug Yowza wrote:
and I'm still looking for an MCS-4 manual or copy
thereof (or scan, Eric).
Send me your Email address
Regards,
_---_--__-_-_----__-_----_-__-__-_-___--_-__--___-__----__--_--__-___-
Hans B Pufal Comprehensive Computer Catalogue
<mailto:hansp@digiweb.com> <http://digiweb.com/~hansp/ccc>
7:58 p.m.
On Sat, 14 Nov 1998 CLASSICCMP(a)trailing-edge.com wrote:
How come people are so hot after 4004's and
8008's - even ripping
up PDP-11/34a's to get at the 8008's inside, for example - when nobody
cares about the TMS100's?
Ignorance?
Sellam Alternate e-mail: dastar(a)siconic.com
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ard＠p850ug1.demon.co.uk -
CLASSICCMP＠trailing-edge.com -
dastar＠ncal.verio.com -
hansp＠digiweb.com -
yowza＠yowza.com