rose@galtee.cs.wisc.edu (Jody Foster) (03/14/91)
Coherent Digest Vol. 91.1, No. 20 Thu Mar 14 09:35:20 CST 1991 Today's Topics: Re: com1l UUCP revisited Sources for ZOO Re: Sources for ZOO MGR window manager ZOO lp problems Re: ZOO files on piggy Administrivia: The Coherent Digest is a forum for discussion of the MWC Coherent 3.x operating system. Send submissions to "coherent@cs.wisc.edu" and administrivia to "coherent-reqeust@cs.wisc.edu". Previous issues are archived for anonymous FTP access on piggy.ucsb.edu in the directory "pub/coherent/mail-list". ---------------------------------------------------------------------- Date: Tue, 12 Mar 91 15:43:49 EST From: brendan@cs.widener.edu (Brendan Kehoe) To: coherent Subject: Re: com1l Pat Quairoli (quairoli@cs.widener.edu) wrote: > We have just installed coherent on a 286 dtk pc. We haven't > had any major problems except with the com1l driver. We were able > to connect a vt100 to com1 one night then we connected the pc to a > sun sparc. After this we have not been able to get com1l to work. We also had UUCP running well between the PC & the Sparc for about a week .. then *something* was changed (null modem switched, something) that made it not work anymore. We're both totally baffled. - -- Brendan Kehoe - Widener Sun Network Manager - brendan@cs.widener.edu Widener University in Chester, PA A Bloody Sun-Dec War Zone ------------------------------ Date: 12 Mar 91 16:07:42 EST From: Stephane Doucet <73207.1247@CompuServe.COM> To: <coherent> Subject: UUCP revisited UUCP, :) Well...for all to know. My box accepts logins just fine. I dial in to it all the time. So far from what I can gather...that end of things is fine. Not for all the world would I modify it. Yes...the port is enabled fine. UUCP does a good job of disabling getty to dial out and then re-enabling afterwards. Thats good. :) One thing the uulog says is that ACU Problem...dialed failed message even though I heard it connect. Then uulog shows that the modem said ^M0^M^M10 which is basically numeric result codes for OK and CONNECT 2400. I was talking to MWC and was told that UUCP should NOT hear any messages from your modem. Just from the other end. If it does see stuff from your modem it gets confused (obviously). I am going home to see if I can set the modem to Q1 instead of Q0 (results off) and try again. If that doesn't work....who knows? Also the tech did not know why UUCP went and read the MODEMCAP file. Be careful of that file. That is basically where all my problems with UUCP have been so far: bad baud rate, resetting the modem back to verbose instead of numeric, etc. I'll let you know what happens and if anyone knows anything...let me know. :) - -Stephane ------------------------------ Date: Tue, 12 Mar 91 15:56:07 -0600 From: lark@greylock.tivoli.com (Lar Kaufman) To: coherent, dhesi%cirrusl@oliveb.ATC.olivetti.com Subject: Sources for ZOO Rahul, This is an open letter (cross-posted to the Coherent mailing list) for your attention and information. A number of Coherent users have used ZOO on other platforms, and some of us have expressed an interest in using ZOO as the archive program of choice with Coherent. Unfortunately, several people's attempts to port ZOO to Coherent failed, probably because of Coherent size limitations. I received email from Joachim Riedel notifying me that he had a working port of ZOO to Coherent, and I responded by asking him for the sources for Coherent. Today I received a facsimile from Joachim Riedel, which I herewith transcribe: (from Joachim@jrix.radig.de) To Lar Kaufmann (sic) Sources for ZOO Hello Lar I just received your Mail about the sources for ZOO. Yesterday my harddisk stopped moving (something in the stepper electronic) and so I have no possibilities to receive news for some days, weeks or whatever. For Mail I just tried my Laptop (with Coherent) and just received your letter. But there are still 4 MB of News for my Machine in the queue (still waiting for WNEWS 2.0 from the MINIXUG). So I send you this fax. Today I asked a friend of mine and he agreed to send the sources to Piggy. There is only one problem that there is no hint who adapted the sources for Coherent (I don't want to send him new sources just with my name added). When you find a file named zoo.taz (zoo.tar.Z) in the next days on piggy please be so kind and add my address. If there are problems with it, please blame me. Thanks Joachim Anyway, Rahul, I wanted you to be aware that we are seeking a viable ZOO package for Coherent, and to allow you to comment/contribute to the anonymous adaptation of ZOO sources to work in the Coherent environment. I would rather have attributed sources, frankly, but in any case I would be happier if you were aware of what adaptations were made to the ZOO package. Thank you for your attention. - -lar P.S. My thanks also to Joachim Riedel for his contribution and for going to the trouble (and cost) of faxing me from Germany to let us know what he is doing for us. P.P.S. I have no connection with the Coherent Newsletter or the host system "piggy", except as a contributer to the newsletter via correspondence. Lar Kaufman I would feel more optimistic about a bright future (voice) 512-794-9070 for man if he spent less time proving that he can (fax) 512-794-0623 outwit Nature and more time tasting her sweetness lark@tivoli.com and respecting her seniority. - E.B. White ------------------------------ Date: Tue, 12 Mar 91 14:44:19 -0800 From: Rahul Dhesi <dhesi%cirrusl@oliveb.ATC.olivetti.com> To: lark@greylock.tivoli.com (Lar Kaufman) Cc: coherent Subject: Re: Sources for ZOO Hi Lar, Thanks for your message re zoo on Coherent. I don't know anything about such a port. However, I would be interested in officially supporting it if I can. It is actually a little surprising that somebody got it to work, because as I understand it Coherent supports only small memory model programs. I will be away on vacation and out of touch with the email world from March 14 to March 28. After that I'll get in touch with you and try to get a copy of the ported source from you. Thanks. Rahul Dhesi <dhesi@cirrus.COM> UUCP: oliveb!cirrusl!dhesi ------------------------------ No from field? Bad format. ------------------------------ Date: Tue, 12 Mar 91 17:48:03 CST From: rosevax.rosemount.com!grante%rutgers.UUCP@spool.cs.wisc.edu (Grant B. Edwards) To: coherent@spool.cs.wisc.edu Subject: MGR window manager I received a message from the author of MGR yesterday. It gives an overview of the display/keyboard/mouse/process interfaces expected by MGR. If anybody would like a copy, let me know. I built MGR on a Sun 3/60, and it's a very nice package. Porting MGR to Coherent will probably consist of several stages: Write a pty device driver. (MGR doesn't require a pty driver, but it's the easiest way to do a lot of things). Write a graphics device driver that implements bit-blit operations to and from the display. The graphics drivers included in the device driver kit only implement direct writes to video RAM and an ANSI type console interface. The drivers also appear to run in real mode since they do things like load 0xB000 and 0xB800 into the ES register. I'm pretty sure that they won't work on a protected mode system. Write a mouse driver. The mouse driver included in the device driver kit can probably be modified for use with MGR. However, it's for a bus mouse. A serial mouse device driver would need to be written for those of us with a serial mouse. Actually do the port. This could be tricky since we've only got 64k of text space to play with and MGR usually takes about 100k of text space. There are two approaches to this problem: First, start throwing stuff out and optimizing what's left to make it smaller. Second, split MGR into two tasks that use shared memory, semaphores, or message queues to communicate with each other. The 64k limit on data space could be a problem as well since the MGR system implements what X calls "backing store." If an application's window is partially or entirely obscured by other windows, the system remembers what is supposed to be in the window so that when it is uncovered the system repaints the window. Most X servers require the application to re-generate the contents of a window when a window becomes uncovered. Having the system keep bitmaps of covered windows makes life for the application much simpler, but it will eat up 64k of data space pretty quickly. Right now I'm working on a pty device driver. Once that is working I plan on implementing "virtual terminals." ALT-something will be used to switch from one terminal session to another. It's not bit mapped windows, but it's better than nothing. The next step would be to write a graphics driver that implements the bit-blit and line drawing operations that MGR utilizes. Maybe by the time that and the mouse driver are done, the 386 version of Coherent will be available. I've used up more than enough bandwidth and time for today... Grant Edwards Rosemount Inc, CB7 He who dies with 12001 Technology Drive grante@hydro.rosemount.com the most manuals Eden Prairie, MN 55344 uunet!rosevax!hydro!grante wins. ------------------------------ Date: Wed, 13 Mar 91 12:31:36 -0500 From: jwall@hub.cs.JMU.EDU (jay wall) To: coherent Subject: ZOO I have no problem with adopting ZOO. However, I don't see why we need it. ustar and uncompress work well, and I have never had a problem with them, so I really don't want to switch to something different now. I won't stand in anyone's way, but from what I know, there is *no* good reason to move to the ZOO format :-). Anyway, that's my 2 cents worth on the subject... ------------------------------ Date: Wed, 13 Mar 91 12:51:13 EST From: Chet Creider <creider@csd.uwo.ca> To: coherent Subject: lp problems I would appreciate some help with a small problem: after updating to v. 3.1.0, the command "pr filename > /dev/lp" elicits the message, "Can't open /dev/lp". The command works fine, however for when I am logged in as root. The ownerships for lp, lpt1, lpt2 are c-w--w--w- root root. I've tried changing these to "bin bin" (as their analogs are on Xenix: crw-rw-rw- bin bin, but this doesn't help.Can anyone tell the piece of know how I'm evidently missing? Thanks, Chet <creider@csd.uwo.ca> ------------------------------ Date: Wed, 13 Mar 91 13:00:29 -0600 From: lark@greylock.tivoli.com (Lar Kaufman) To: coherent, jwall@hub.cs.JMU.EDU Subject: Re: ZOO Why I like ZOO: * It is public domain. * It is available for more operating systems than any other archive program (This is a premise, not a proven fact.) * It is efficient. * It is more trouble-free than any other archive program I've used. * Because it is public domain, and because the original author maintains an active interest in it, ZOO is probably the best-supported archive tool available. Yes, there are more "Unix-traditional" tools. There are faster tools. There are tools with more features. There are tools that compress more efficiently. But my opinion is that ZOO is the best overall. This message needs a big disclaimer, however: This is only my opinion. - -lar ------------------------------ Date: Wed, 13 Mar 91 14:47:09 -0500 From: shim@zip.eecs.umich.edu To: coherent Subject: files on piggy Does anyone have a full list of descriptions for the files on piggy.ucsb.edu? I'm curious as to what some of the files are, but I don't have the time to download all the files that I want to look at. Thanks! - -Sam- ------------------------------ End of Coherent Digest Vol. 91.1, No. 20 **************************************** -- Scott Rose rose@cs.wisc.edu (608) 238-3801