Subject: Re: serial changes to scc (zs) driver (was: Re: Further pmax changes to -current: breakage to be expected)
To: Jonathan Stone <jonathan@dsg.stanford.edu>
From: Takuya Koumoto <takuya-k@is.aist-nara.ac.jp>
List: port-pmax
Date: 04/01/1998 16:00:35
> Anyway, Takyua Koumoto's changes have been in -current for a couple of
> days now. it seems to work fine on a 3MIN.

The changes are made by Yasufumi Itoh. :-) He is mostly
working on x68k port.

> I no longer have a databook with the scc in it, so I dont know what
> those bits really mean;).

Documents for Z8530 are available on Zilog's web site. But
we should import Jason's MI zsc driver from alpha. It is
very much clean!

> They look like they are putting the 8530
> clock on the TxC and RxC pins.  Does the mouse or keyboard actually
> take clock bits from the serial cable? I suppose it's possible.

I think so.

> Do you have a pmax machine with an lk-201 and a DEC puck mouse?
> If a serial mouse and keyboard with these changes, I guess it's OK.
> It certainly seems to work as-is (or as-was).

No, I have a DEC5000/25 which has no serial mouse and
keyboard. So I couldn't test them.

Takuya
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