North Star Horizon

From: William Donzelli <william_at_ans.net>
Date: Sun May 17 17:41:00 1998

> What is strange is the rarity of the Philips machines I mentioned (the
> P800 series). There were at least 10 different models. The small
> P850 (maximum memory 2kW) was built from TTL and totally hardwired - no
> microcode - the control logic was a state machine. The P855 and P860 had
> memory management. And the P851 was an LSI version of the P855 I think. That
> one was microcoded.

I can understand why they would be rare in North America. I remember
seeing ads (in 1970s era issues of Electronics - still cursed for throwing
the things away!) for them only a few times. I do not think they were
marketted here much at all.

William Donzelli
william_at_ans.net
Received on Sun May 17 1998 - 17:41:00 BST