In
<caajsdjjxze65sxksjshe9e25bqkffkhipmkj6xulaqytn+s...@mail.gmail.com>,
on 06/03/2014
at 08:03 AM, John McKown <[email protected]> said:
>Especially back in the days when it was basically all hardware.
On the low end S/360 processors it was *not* basically all hardware;
only the 2044[1], 2075, 2091, 2095 and 2195 were hard wired. So the
timing depends on what controls were available to the microcode, e.g.,
complementing in the same cycle as an add.
[1] Well, it had no SS instructions so you needed a simulator
to run S/360 software.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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