>> In case of personal use(getty working for another PC with cross cable, 
 >> and call out port will be used for tip, kermit or something like
 >> that), it works fine. But that mechanism is derived from old cgd's
 >> hack, so reconsideration will be necessary to make more robust and
 >> cleaner. This version may cause some conflict between dial-in and
 >> call-out port sometimes(not so many).

 Bill> How do you do the arbitration? Let's make it more robust.

Basically, it is done like you said. But more hack is necessary when
Carrier is lost or set. This is slightly difficult point to make it
machine independent.

 Bill> One of the reasons for the origonal posting was that I'm working
 Bill> with Gordon Ross on getting the Machine Independent zs driver to work
 Bill> with the mac68k port. I'm almost ready to send him the new files to
 Bill> see about integration; the multiple signal source code is all that's
 Bill> left, plus any dial-in/dial-out support. So the zs driver is getting
 Bill> cleaned up a bit.

Sorry to say ugly because I didn't know such new zs drivers. That's
sounds good for me too. Although sparc port is for 1.1R, Do you want
my patch?

I am going to check FreeBSD's driver to improve my patch.
--
Koji Imada - je4owb/2
koji@math.human.nagoya-u.ac.jp