NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

mycroft
Sat Nov  1 09:09:12 PST 1997
Update of /cvsroot/src/sys/dev/ic
In directory netbsd1:/var/slash-tmp/cvs-serv12860

Modified Files:
        z8530sc.h z8530tty.c 
Log Message:
More changes taken from com driver:
Stop output as fast as possible when DCD is deasserted.
Do *not* automatically drop DTR when DCD is deasserted.
Only check for rr0 bits that we care about (DTR and DCD).