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Commit Graph

6 Commits

Author SHA1 Message Date
Jim
4ddd43debf Add async I/O code to devpnc, but disabled for now: there is a delay
problem with remote terminal sessions:

1. netlink to remote Prime
2. a prirun
3. l (list directory)
4. displays a little, then a longish pause up to 30 seconds, then the rest

Does a similar thing with stat us.  Hitting Enter will cause it to
finish, while typing characters does not.  I suspect this is a problem
with Prime's networking code, but not sure.

Also, if async I/O is used, the QUIT. OK, message doesn't appear after
ctrl-p.  I think they are getting wiped out by Primenet's buffer
flushes.

All of this might be subtle timing problems because I changed the
default clock rate from 250/330/500/whatever times per sec to 20 times
per second in this rev 19 version of Primos.
2011-08-15 17:11:28 -04:00
Jim
e4dfa3fade Interrupt immediately after xmit and rcv instead of doing a poll. 2011-08-14 23:53:12 -04:00
Jim
b1bb5c9a3c Fixed PNCDIM halt bug (= sb == in POLL), minor cleanups 2011-08-14 17:42:10 -04:00
Jim
703940e525 PNC cleanups, still halts at RCV_ERR2 in PNCDIM on node B during
a directory copy from node A to a disk on node B.
2011-08-14 12:10:14 -04:00
Jim
c3ba188ae4 First "working" PNC emulation, but has circuit reset issues 2011-08-13 16:13:22 -04:00
Jim
fde9c6e812 Initial PNC driver (no receive yet), added #ifdefs for trace, allow
continuing after real HLT in S and R modes for old T&M diagnostics,
expanded list of Prime device drivers
2011-07-30 17:06:19 -04:00