In article by Robin Birch:
> Warren,
> Why not do this as a terminal emulator that can switch into emulating a
> tape drive by some start/stop messaging using the console device. You
> could upload a simple bootstrap using ODT that could then read a more
> complex boot driver in. If you use the console then that shoud be
> universal across all PDP11s.
>
> Robin
I had thought of that. I'm not sure I want to write a terminal emulator :)
I guess I should ask those people with tapeless PDP-11s.
If you had a method of booting and installing disk images over a serial
line, would you be happy with a serial line to a `tape server' separate
to your console line, or would you rather have the two combined?
Warren
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Warren, I have the DZ-11 docs; I'll scan the relevant sections and mail it
to you.
-- Ian
-----Original Message-----
From: Warren Toomey [mailto:wkt@henry.cs.adfa.edu.au]
Sent: Sunday, January 28, 2001 5:25 PM
To: PDP-11 Unix Preservation Society
Subject: [pups] Help! Standalone DZ-11 driver
Hi all,
I'm working on a new version of my Vtserver, which allows a PDP-11
with no tape drive to boot from a Unix/Linux server (via serial cable) and
install a UNIX. See ftp://minnie.cs.adfa.edu.au/pub/PDP-11/Vtserver
At present I'm working on a new version which uses the 2.11BSD boot code
so as to support more disk drives. The work in progress is at:
http://minnie.cs.adfa.edu.au/Vtserver. At present it's not usable
unless you have a PDP-11/45.
I've got a potential user with an 11/34, two RK05s and a DZ-11. I can't
find any details of DZ-11 here in my peripherals handbooks, and the 2.11
kernel drivers are a bit too complicated to read.
My existing KL-11 driver is below. Can someone come up with a standalone
equivalent for a DZ-11, or point me at some docs?
I'll be away from 1st to 14th Feb, so there may be some delays in
responding.
Thanks all,
Warren
struct vtdevice {
int rcsr,rbuf;
int tcsr,tbuf;
};
#define NVT 2
struct vtdevice *VTcsr[NVT + 1] = {
(struct vtdevice *)0176500, /* We use VTcsr[0] unit 1 */
(struct vtdevice *)0,
(struct vtdevice *)-1
};
/* Get a character, or timeout and return with hitim zero */
char vtgetc()
{
register c;
VTcsr[0]->rcsr = 1; hitim=3; lotim=65535;
while ((VTcsr[0]->rcsr&0200)==0) {
lotim--;
if (lotim==0) hitim--;
if (hitim==0) { putchar('t'); return(0); }
}
c = VTcsr[0]->rbuf; return(c);
}
vtputc(c)
register c;
{
register s;
while((VTcsr[0]->tcsr&0200) == 0) ;
s = VTcsr[0]->tcsr;
VTcsr[0]->tcsr = 0; VTcsr[0]->tbuf = c; VTcsr[0]->tcsr = s;
}
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>From Warren Toomey <wkt(a)henry.cs.adfa.edu.au> Wed Jan 31 08:13:30 2001
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Subject: Re: [pups] A bootable disk image for a PDP-11/34?
In-Reply-To: <200101301820.KAA24283(a)chiton.ucsd.edu> from Carl Lowenstein at
"Jan 30, 2001 10:20:58 am"
To: Carl Lowenstein <cdl(a)mpl.ucsd.edu>
Date: Wed, 31 Jan 2001 09:13:30 +1100 (EST)
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In article by Carl Lowenstein:
> Just from the historical point of view, note that the first major
> file on a genuine 6th Edition distribution tape _is_ a bootable
> RK05 image. Something like 4000 blocks.
>
> carl
Yes, but it doesn't boot on an 11/34 :(
That's the problem.
Cheers,
Warren
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>From Ian King <iking(a)microsoft.com> Wed Jan 31 08:38:15 2001
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From: Ian King <iking(a)microsoft.com>
To: "'Ken Wellsch'" <kwellsch(a)tampabay.rr.com>,
Carl Lowenstein
<cdl(a)mpl.ucsd.edu>
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: RE: [pups] A bootable disk image for a PDP-11/34?
Date: Tue, 30 Jan 2001 14:38:15 -0800
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Ken, I tried using that image and gunzip told me there was a crc error; it
wouldn't unzip it. (I downloaded it three times, just in case there was a
transmission error -- twice by ftp, once by http.) I've also tried the
"Dennis" images, which are supposedly straight RK05 images; E11 won't boot
'em. One issue on which I'm not clear: where is the boot address? Stuff at
loc 0 doesn't look like boot instructions.
If I could get an image to run in an emulator (as I mentioned, I'm running
E11 from DBit), I'd write some cheesy little loader to bring it down the
serial line (I already have it sketched out); but until I can at least get
one to boot in the emulator, I'm reluctant to spend the hours (at 9600 baud)
to spray it onto a disk. <sigh>
Any suggestions you may have would be greatly appreciated. -- Ian
-----Original Message-----
From: Ken Wellsch [mailto:kwellsch@tampabay.rr.com]
Sent: Tuesday, January 30, 2001 10:30 AM
To: Carl Lowenstein
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
I'll second that. The V6 tape image I provided to PUPS has the
usual boot blocks at the start of the tape then as I recall three
RJ05 disk images. Long long ago I think I got folks interested in
using emulators like Bob Supnik's by using the first tape disk image
as the "disk" image for "sim" and booted V6... but it has been more
than 6 years now since I did that and I may be rusty on details.
-- Ken
Carl Lowenstein wrote:
>
> Just from the historical point of view, note that the first major
> file on a genuine 6th Edition distribution tape _is_ a bootable
> RK05 image. Something like 4000 blocks.
>
> carl
>
> carl lowenstein marine physical lab u.c. san diego
> {decvax|ucbvax} !ucsd!mpl!cdl cdl(a)mpl.ucsd.edu
> clowenstein(a)ucsd.edu
>
> > From owner-pups(a)minnie.cs.adfa.edu.au Tue Jan 30 08:17 PST 2001
> > From: Ian King <iking(a)microsoft.com>
> > To: "'wkt(a)cs.adfa.edu.au'" <wkt(a)cs.adfa.edu.au>,
> > PDP-11 Unix Preservation Society <pups(a)minnie.cs.adfa.edu.au>
> > Subject: RE: [pups] A bootable disk image for a PDP-11/34?
> > Date: Mon, 29 Jan 2001 23:19:44 -0800
> >
> > In fact, if someone has RK05s and isn't too far away, I'd love to get a
> > bootable image on an RK05 cartridge -- of course I'd pay postage both
ways.
> > (I even have some original shipping boxes.)
> >
> > -----Original Message-----
> > From: Warren Toomey [mailto:wkt@henry.cs.adfa.edu.au]
> > Sent: Monday, January 29, 2001 8:44 PM
> > To: PDP-11 Unix Preservation Society
> > Subject: [pups] A bootable disk image for a PDP-11/34?
> >
> >
> > He'd like a 6th Edition bootable RK05 disk image that he can download
> > onto his real disk.
> >
> > Many thanks all!
> >
> > Warren
> >
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>From Ken Wellsch [mailto:kwellsch@tampabay.rr.com] Wed Jan 31 09:27:56 2001
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From: Ken Wellsch <kwellsch(a)tampabay.rr.com>
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Subject: Re: [pups] A bootable disk image for a PDP-11/34?
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Hi Ian,
Indeed, looks like there has been some bit rot on the archive... sigh.
Luckily I am a pack rat and have copies of my Waterloo days data. The
images are all clean there. Curiously enough I even found the directory
where I ran that simulation (circa Oct/94 I see). I just rebuilt the
code there and ran it on my NetBSD/i386 system and it boots V6 just fine.
In case you don't read minds, after doing the 'attach ...' then 'boot rk0'
the intuitive V6 boot prompt '@' is where you type 'rkunix' for example B^)
Almost instantly I had a 'login:' prompt, and the image is off the tape
so there is no root password set...
Don't forget to type 'date' when logged in ... it is a hoot to see B^)
Oh heck, never thought to actually try to set the date, post 2000...
maybe better to let it live back in 1975...
I've tar/gzip'ed the bundle. Do you want me to try and UUencode it
and mail it to you? It is nearly 1 Mbyte in binary form...
Oh yeah, as Warren mentioned, stock V6 does not run on a '34. I think
it ran on a '40. I know it can run on a '34 because in 1980 I started
using UNIX, V6 running on a '34 B^)
Cheers,
-- Ken
Ian King wrote:
>
> Ken, I tried using that image and gunzip told me there was a crc error; it
> wouldn't unzip it. (I downloaded it three times, just in case there was a
> transmission error -- twice by ftp, once by http.) I've also tried the
> "Dennis" images, which are supposedly straight RK05 images; E11 won't boot
> 'em. One issue on which I'm not clear: where is the boot address? Stuff at
> loc 0 doesn't look like boot instructions.
>
> If I could get an image to run in an emulator (as I mentioned, I'm running
> E11 from DBit), I'd write some cheesy little loader to bring it down the
> serial line (I already have it sketched out); but until I can at least get
> one to boot in the emulator, I'm reluctant to spend the hours (at 9600 baud)
> to spray it onto a disk. <sigh>
>
> Any suggestions you may have would be greatly appreciated. -- Ian
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>From Carl Lowenstein <cdl(a)mpl.ucsd.edu> Wed Jan 31 09:30:55 2001
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From: Carl Lowenstein <cdl(a)mpl.ucsd.edu>
Message-Id: <200101302330.PAA29420(a)chiton.ucsd.edu>
To: wkt(a)cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
Cc: pups(a)minnie.cs.adfa.edu.au
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> From wkt(a)henry.cs.adfa.edu.au Tue Jan 30 14:16 PST 2001
> From: Warren Toomey <wkt(a)henry.cs.adfa.edu.au>
> Subject: Re: [pups] A bootable disk image for a PDP-11/34?
> To: Carl Lowenstein <cdl(a)mpl.ucsd.edu>
> Date: Wed, 31 Jan 2001 09:13:30 +1100 (EST)
> CC: pups(a)minnie.cs.adfa.edu.au
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
>
> In article by Carl Lowenstein:
> > Just from the historical point of view, note that the first major
> > file on a genuine 6th Edition distribution tape _is_ a bootable
> > RK05 image. Something like 4000 blocks.
> >
> > carl
>
> Yes, but it doesn't boot on an 11/34 :(
> That's the problem.
>
> Cheers,
> Warren
Why, said he wonderingly. Is the 11/34 one of those machines that does
not have a directly addressable PSW at 177776 so it must be done with
MPTS and MFPS instructions? Thats all I can think of immediately.
Pulling out my handy PDP-11 architecture handbook, I find this to be so.
There are some other differences between 11/34 and 11/40-45 but this
one would be a real show-stopper.
The modifications to 6th Ed. Unix to take care of this would be
concentrated in the save/raise/lower processor priority routines. Just
offhand I don't think one could make a zero-length binary patch that
would work on the 11/34 and remain 11/40-45 compatible.
I guess I will look at locore.s tonight when I get home. That must
be the place where such things happen.
I wonder what the RT-11 guys did when they had the same problem. I
seem to remember something involving creative use of stack pushes and
RTI instructions to set the processor priority.
carl
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>From Richard Donkin <rdonkin(a)bigfoot.com> Wed Jan 31 09:33:02 2001
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Date: Tue, 30 Jan 2001 23:33:02 +0000
From: Richard Donkin <rdonkin(a)bigfoot.com>
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To: Mark Green <mark(a)cs.ualberta.ca>
Cc: PUPS List <pups(a)minnie.cs.adfa.edu.au>
Subject: Re: [pups] 2.11 BSD compilation fails
References: <20010130160418Z433530-3339+182(a)scapa.cs.ualberta.ca>
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Mark Green wrote:
>
> >
> > While tinkering with the date2.c program posted earlier by Alex
> > Chupakhin, which now runs on 2.11 BSD btw, I discovered the following:
> >
> > - 'cc -o date2 date2.c' works fine, producing a 12K binary
> >
> > - a makefile containing this command fails - the compilation starts but
> > fails silently, producing a 2K binary that is not marked executable.
> > The makefile is:
> >
> > date2: date2.c
> > cc -o date2 -c date2.c
> Remove the -c flag, it tells the compiler to only compile the program
> and not produce an executable.
Ooops... I must have been up too late when I came up with that one.
Thanks
Richard
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>From Bill Gunshannon <bill(a)cs.scranton.edu> Wed Jan 31 11:45:20 2001
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From: Bill Gunshannon <bill(a)cs.scranton.edu>
To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
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On Tue, 30 Jan 2001, Ken Wellsch wrote:
> Don't forget to type 'date' when logged in ... it is a hoot to see B^)
>
> Oh heck, never thought to actually try to set the date, post 2000...
> maybe better to let it live back in 1975...
>
I assume it is just like Ultrix-11 was, soooooo
Here's a quick way to get the date right until you get a chance to
install a fixed "date" command. Yes, it is only the date command
that is not Y2K ready.
First: Set the date to 9912312359
Second: wait one minute. It is now 1 Jan 2000.
Third: Set the date to 12312359
Fourth: wait one minute. It is now 1 Jan 2001.
Fifth: Set the month, day, hour and minute to the current time.
Voila. Primitive, but it works. I guess I could try building the GNU
date command on Ultrix-11 or maybe just get the sources from FreeBSD.
All the best.
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
bill(a)cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
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>From Ian King <iking(a)microsoft.com> Wed Jan 31 16:58:53 2001
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From: Ian King <iking(a)microsoft.com>
To: "'Carl Lowenstein'" <cdl(a)mpl.ucsd.edu>, wkt(a)cs.adfa.edu.au
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: RE: [pups] A bootable disk image for a PDP-11/34?
Date: Tue, 30 Jan 2001 22:58:53 -0800
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Again, I'd be glad to do things like this, if I could get an image to run on
an emulator -- that's been a goal. I've tried various 'processors' (in
emulation), but not been successful at booting the Unix kernel. Can anyone
say, "I booted image X on emulator Y and had a successfully running Unix"?
If so, please please please share your experience -- I haven't been able to
boot anything out of the PUPS archive on the E11 emulator (held out by some
to be the best).
And, if/when I have success, I promise to share a field report. :-) -- Ian
-----Original Message-----
From: Carl Lowenstein [mailto:cdl@mpl.ucsd.edu]
Sent: Tuesday, January 30, 2001 3:31 PM
To: wkt(a)cs.adfa.edu.au
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
> From wkt(a)henry.cs.adfa.edu.au Tue Jan 30 14:16 PST 2001
> From: Warren Toomey <wkt(a)henry.cs.adfa.edu.au>
> Subject: Re: [pups] A bootable disk image for a PDP-11/34?
> To: Carl Lowenstein <cdl(a)mpl.ucsd.edu>
> Date: Wed, 31 Jan 2001 09:13:30 +1100 (EST)
> CC: pups(a)minnie.cs.adfa.edu.au
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
>
> In article by Carl Lowenstein:
> > Just from the historical point of view, note that the first major
> > file on a genuine 6th Edition distribution tape _is_ a bootable
> > RK05 image. Something like 4000 blocks.
> >
> > carl
>
> Yes, but it doesn't boot on an 11/34 :(
> That's the problem.
>
> Cheers,
> Warren
Why, said he wonderingly. Is the 11/34 one of those machines that does
not have a directly addressable PSW at 177776 so it must be done with
MPTS and MFPS instructions? Thats all I can think of immediately.
Pulling out my handy PDP-11 architecture handbook, I find this to be so.
There are some other differences between 11/34 and 11/40-45 but this
one would be a real show-stopper.
The modifications to 6th Ed. Unix to take care of this would be
concentrated in the save/raise/lower processor priority routines. Just
offhand I don't think one could make a zero-length binary patch that
would work on the 11/34 and remain 11/40-45 compatible.
I guess I will look at locore.s tonight when I get home. That must
be the place where such things happen.
I wonder what the RT-11 guys did when they had the same problem. I
seem to remember something involving creative use of stack pushes and
RTI instructions to set the processor priority.
carl
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>From Ian King <iking(a)microsoft.com> Wed Jan 31 17:05:55 2001
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From: Ian King <iking(a)microsoft.com>
To: "'Ken Wellsch'" <kwellsch(a)tampabay.rr.com>
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: RE: [pups] A bootable disk image for a PDP-11/34?
Date: Tue, 30 Jan 2001 23:05:55 -0800
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Ken, if you send it to my personal email account, there's no size
restriction (I run the mail server); it's iking(a)killthewabbit.org. I would
greatly appreciate your sending it to me. BTW, I've been using 1977 (the
year I graduated fron high school) on my PDP-11 under RSX-11; some tools
won't accept the "01" year. :-)
Cheers -- isk
PS: I've hired a lot of Waterloo folks -- smart buggers, the lot of them.
:-)
-----Original Message-----
From: Ken Wellsch [mailto:kwellsch@tampabay.rr.com]
Sent: Tuesday, January 30, 2001 3:28 PM
To: Ian King
Cc: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
Hi Ian,
Indeed, looks like there has been some bit rot on the archive... sigh.
Luckily I am a pack rat and have copies of my Waterloo days data. The
images are all clean there. Curiously enough I even found the directory
where I ran that simulation (circa Oct/94 I see). I just rebuilt the
code there and ran it on my NetBSD/i386 system and it boots V6 just fine.
In case you don't read minds, after doing the 'attach ...' then 'boot rk0'
the intuitive V6 boot prompt '@' is where you type 'rkunix' for example B^)
Almost instantly I had a 'login:' prompt, and the image is off the tape
so there is no root password set...
Don't forget to type 'date' when logged in ... it is a hoot to see B^)
Oh heck, never thought to actually try to set the date, post 2000...
maybe better to let it live back in 1975...
I've tar/gzip'ed the bundle. Do you want me to try and UUencode it
and mail it to you? It is nearly 1 Mbyte in binary form...
Oh yeah, as Warren mentioned, stock V6 does not run on a '34. I think
it ran on a '40. I know it can run on a '34 because in 1980 I started
using UNIX, V6 running on a '34 B^)
Cheers,
-- Ken
Ian King wrote:
>
> Ken, I tried using that image and gunzip told me there was a crc error; it
> wouldn't unzip it. (I downloaded it three times, just in case there was a
> transmission error -- twice by ftp, once by http.) I've also tried the
> "Dennis" images, which are supposedly straight RK05 images; E11 won't boot
> 'em. One issue on which I'm not clear: where is the boot address? Stuff
at
> loc 0 doesn't look like boot instructions.
>
> If I could get an image to run in an emulator (as I mentioned, I'm running
> E11 from DBit), I'd write some cheesy little loader to bring it down the
> serial line (I already have it sketched out); but until I can at least get
> one to boot in the emulator, I'm reluctant to spend the hours (at 9600
baud)
> to spray it onto a disk. <sigh>
>
> Any suggestions you may have would be greatly appreciated. -- Ian
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>From Ken Wellsch [mailto:kwellsch@tampabay.rr.com] Wed Jan 31 23:20:06 2001
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Date: Wed, 31 Jan 2001 08:20:06 -0500
From: Ken Wellsch <kwellsch(a)tampabay.rr.com>
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To: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
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Ian King wrote:
>
> Ken, I tried using that image and gunzip told me there was a crc error; it
> wouldn't unzip it. (I downloaded it three times, just in case there was a
> transmission error -- twice by ftp, once by http.)
So going over all the things I can easily do data integrity checks on, I've
run 'gzip -tv' on all the GZip'ed things and found three that are apparently
damaged:
gzip: ./PDP-11/Distributions/dec/Ultrix-3.1/ultrix-3.1-bootape.tar.gz:
invalid compressed data--crc error
gzip: ./PDP-11/Distributions/research/Ken_Wellsch_v6/v6.tape.gz:
invalid compressed data--crc error
gzip: ./PDP-11/Distributions/unsw/90/record0.gz:
invalid compressed data--crc error
I can't comment on the *.Z compressed archives as they do not do any crc.
I will have to peruse my stack of archive CD's made at various stages of
the archive to see if I have the other two (I have a good 'v6.tape.gz' file).
I did not try and run the MD5 list yet. But this is an example of why I
had been pushing for the use of MD5 for all items in the archive... B^)
-- Ken
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>From Ken Wellsch <kwellsch(a)tampabay.rr.com> Thu Feb 1 02:07:09 2001
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From: Ken Wellsch <kwellsch(a)tampabay.rr.com>
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To: Bill Gunshannon <bill(a)cs.scranton.edu>
CC: pups(a)minnie.cs.adfa.edu.au
Subject: Re: [pups] A bootable disk image for a PDP-11/34?
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Bill Gunshannon wrote:
>
> On Tue, 30 Jan 2001, Ken Wellsch wrote:
>
> > Don't forget to type 'date' when logged in ... it is a hoot to see B^)
> >
> > Oh heck, never thought to actually try to set the date, post 2000...
> > maybe better to let it live back in 1975...
>
> I assume it is just like Ultrix-11 was, soooooo
> Here's a quick way to get the date right until you get a chance to
> install a fixed "date" command. Yes, it is only the date command
> that is not Y2K ready.
No, V6 predates Ultrix-11 by just a bit I believe.
The date setting format on V6 appears to be '1231245999', that is
two digits for: month, day, hour, minute, year. A trailing 'p' means
the hours are 12 based (and it is PM), otherwise 24 based.
I can confirm as I expected that setting 0131110301 puts me at 1970 B^)
No big deal. I can see in the 'date' source what it is doing...
Thanks for the 'put it into the year 2001' method!
-- Ken
Hi all,
I'm working on a new version of my Vtserver, which allows a PDP-11
with no tape drive to boot from a Unix/Linux server (via serial cable) and
install a UNIX. See ftp://minnie.cs.adfa.edu.au/pub/PDP-11/Vtserver
At present I'm working on a new version which uses the 2.11BSD boot code
so as to support more disk drives. The work in progress is at:
http://minnie.cs.adfa.edu.au/Vtserver. At present it's not usable
unless you have a PDP-11/45.
I've got a potential user with an 11/34, two RK05s and a DZ-11. I can't
find any details of DZ-11 here in my peripherals handbooks, and the 2.11
kernel drivers are a bit too complicated to read.
My existing KL-11 driver is below. Can someone come up with a standalone
equivalent for a DZ-11, or point me at some docs?
I'll be away from 1st to 14th Feb, so there may be some delays in
responding.
Thanks all,
Warren
struct vtdevice {
int rcsr,rbuf;
int tcsr,tbuf;
};
#define NVT 2
struct vtdevice *VTcsr[NVT + 1] = {
(struct vtdevice *)0176500, /* We use VTcsr[0] unit 1 */
(struct vtdevice *)0,
(struct vtdevice *)-1
};
/* Get a character, or timeout and return with hitim zero */
char vtgetc()
{
register c;
VTcsr[0]->rcsr = 1; hitim=3; lotim=65535;
while ((VTcsr[0]->rcsr&0200)==0) {
lotim--;
if (lotim==0) hitim--;
if (hitim==0) { putchar('t'); return(0); }
}
c = VTcsr[0]->rbuf; return(c);
}
vtputc(c)
register c;
{
register s;
while((VTcsr[0]->tcsr&0200) == 0) ;
s = VTcsr[0]->tcsr;
VTcsr[0]->tcsr = 0; VTcsr[0]->tbuf = c; VTcsr[0]->tcsr = s;
}
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>From Robin Birch <robin(a)ruffnready.co.uk> Tue Jan 30 00:11:33 2001
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Date: Mon, 29 Jan 2001 14:11:33 +0000
To: wkt(a)cs.adfa.edu.au
Cc: PDP-11 Unix Preservation Society <pups(a)minnie.cs.adfa.edu.au>
From: Robin Birch <robin(a)ruffnready.co.uk>
Subject: Re: [pups] Help! Standalone DZ-11 driver
References: <200101290124.f0T1Ois26299(a)henry.cs.adfa.edu.au>
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Warren,
Why not do this as a terminal emulator that can switch into emulating a
tape drive by some start/stop messaging using the console device. You
could upload a simple bootstrap using ODT that could then read a more
complex boot driver in. If you use the console then that shoud be
universal across all PDP11s.
Robin
In message <200101290124.f0T1Ois26299(a)henry.cs.adfa.edu.au>, Warren
Toomey <wkt(a)henry.cs.adfa.edu.au> writes
>Hi all,
> I'm working on a new version of my Vtserver, which allows a PDP-11
>with no tape drive to boot from a Unix/Linux server (via serial cable) and
>install a UNIX. See ftp://minnie.cs.adfa.edu.au/pub/PDP-11/Vtserver
>
>At present I'm working on a new version which uses the 2.11BSD boot code
>so as to support more disk drives. The work in progress is at:
>http://minnie.cs.adfa.edu.au/Vtserver. At present it's not usable
>unless you have a PDP-11/45.
>
>I've got a potential user with an 11/34, two RK05s and a DZ-11. I can't
>find any details of DZ-11 here in my peripherals handbooks, and the 2.11
>kernel drivers are a bit too complicated to read.
>
>My existing KL-11 driver is below. Can someone come up with a standalone
>equivalent for a DZ-11, or point me at some docs?
>
>I'll be away from 1st to 14th Feb, so there may be some delays in
>responding.
>
>Thanks all,
> Warren
>
>
>struct vtdevice {
> int rcsr,rbuf;
> int tcsr,tbuf;
>};
>
>#define NVT 2
>struct vtdevice *VTcsr[NVT + 1] = {
> (struct vtdevice *)0176500, /* We use VTcsr[0] unit 1 */
> (struct vtdevice *)0,
> (struct vtdevice *)-1
>};
>
>/* Get a character, or timeout and return with hitim zero */
>char vtgetc()
>{
> register c;
>
> VTcsr[0]->rcsr = 1; hitim=3; lotim=65535;
>
> while ((VTcsr[0]->rcsr&0200)==0) {
> lotim--;
> if (lotim==0) hitim--;
> if (hitim==0) { putchar('t'); return(0); }
> }
> c = VTcsr[0]->rbuf; return(c);
>}
>
>vtputc(c)
>register c;
>{
> register s;
>
> while((VTcsr[0]->tcsr&0200) == 0) ;
> s = VTcsr[0]->tcsr;
> VTcsr[0]->tcsr = 0; VTcsr[0]->tbuf = c; VTcsr[0]->tcsr = s;
>}
____________________________________________________________________
Robin Birch robin(a)ruffnready.co.uk
M1ASU/2E0ARJ/M5ABD Old computers and radios always welcome
[This is a courtesy copy of a message which was also posted to the
newsgroup(s) shown in the header.]
In article <944vup$3e6$1(a)news.IAEhv.nl>,
"Hans Vlems" <hvlems(a)iae.nl> writes:
|> Bill,
|>
|> tried to telnet but no joy
|>
|> Bill Gunshannon heeft geschreven in bericht
|> <944t6p$1o3d$1(a)info.cs.uofs.edu>...
|> >Ok, here it is. An 11/23+ running Ultrix-11 3.1, available on the
|> >Net.
|> >
|> >telnet to 134.198.175.226
|> >login as guest
|> >password is ultrix11
Well, the bad news it it appears I forgot that at one time no the
distnat past TTL was set to some very low number. If you are more
than a couple hops away from the University of Scranton you won't
be able to get in yet.
However, good news on two fronts. I have put up the sources and
if I have the time I will try to find the offending bit this weekend.
(Anybody who remembers fixing this in any Ultrix-11 or Ultrix-32
when it happened originaly feel free to save me the trouble of
searching through the source.) the other good news is I may be
acquiring an 11/93 shortly. If I do and it actually still works
(one never knows inthese acquisitions) I will probably be putting
Ultrix-11 on it and building a Split I&D system. That will then
become the system I will put on the Net to play with.
Hsve a nice weekend, all.
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
bill(a)cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
It was pointed out to me that I was remiss in not making this
announcement here as well as on USENET. Mea culpa, mea culpa.
-------
Ok, here it is. An 11/23+ running Ultrix-11 3.1, available on the
Net.
telnet to 134.198.175.226
login as guest
password is ultrix11
Don't expect much. As I said, it's only an 11/23+. It has 3M of memory
and an RA81 disk. Things like ftp "run", but they don't "work". Look
to be lack of buffer space, but without any documentation I have not
found out how to tune it any more than it is now. Of course, if I ever
get an 11/73 running I could build a split I&D system which should be
considerably better. Please don't try to crash it. It is likely to
do that all by itself anyway and you would just keep others from trying
it out. No, it's not running any critical applications. If you want
to move some code over to try the compiler or something, try "gkermit".
But remember, it won;t stream and it needs real small packets.
I await any comments and am still hoping someone will find a box of
Ultrix-11 docs sitting in a closet somewhere that I will gladly pay
to ship here.
All the best.
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
bill(a)cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
Hey.
I'm playing around with a /53 running 2.11BSD, trying to port some
software, and I have a (probably stupid) problem: environ.
When I write a simple program like
#include <stdio.h>
extern char **environ;
void main(argc, argv)
int argc;
char **argv;
{
printf("Hello world!");
environ=environ;
}
and compile & link it using cc ("cc -o test test.c"), things go fine,
however if I link things manually ("cc -c test.c ; ld -o test test.o -lc")
I get an unresolved _environ. By some experimentation, I noticed that
including /lib/crt0.o in the linker helps to some extent - however,
the binary generated by cc works like a charm, while the manually
linked version quits with a bus error. Any ideas?
--
Martijn van Buul - Pino(a)dohd.org - http://www.stack.nl/~martijnb/
Geek code: G-- - Visit OuterSpace: mud.stack.nl 3333
Kees J. Bot: The sum of CPU power and user brain power is a constant.
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>From "Steven M. Schultz" <sms(a)moe.2bsd.com> Tue Jan 16 08:15:45 2001
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Subject: Re: [pups] Stupid question..
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Hi -
> From: Martijn van Buul <pino(a)dohd.org>
>
> however if I link things manually ("cc -c test.c ; ld -o test test.o -lc")
> I get an unresolved _environ. By some experimentation, I noticed that
> including /lib/crt0.o in the linker helps to some extent - however,
> the binary generated by cc works like a charm, while the manually
> linked version quits with a bus error. Any ideas?
Try placing /lib/crt0.o before the test.o:
ld -o test /lib/crt0.o test.o -lc
on another note it's usually not a good idea to call a program 'test'
because when you are least expecting it you will end up running
/bin/test and wonder what is wrong.
Steven
my company was recently doing some housecleaning and unearthed about a
dozen RL01 and RL02 platters, along with a bunch of 8" RT-11 floppies,
and doc set for RT-11.
seeing that used platters seem to still be rather common, I'm sure I can
talk accounting into letting them go for the price of shipping.
Likewise with the floppies and documentation. (of course Portland
people can pick up for free, or if you're in SE PDX, I can deliver!)
We have the original DEC packaging for many of the platters, and can
ship worldwide via UPS, DHL, etc...
I guess to bring things back on topic a little, what's the background /
specs of the RL-series drives? I know they're 5 and 10MB, but that's
about it. What interface boards were available for the various PDPs and
VAXen? How fast(?)/reliable/cranky were these things? :)
--
Aaron J. Grier | "Not your ordinary poofy goof." | agrier(a)poofygoof.com
"[I]f you can find the purity in hardcore and gabber, I guess you're
already screwed up enough." -- Drew Smith
All,
I'm just off for a 4-day break, so messages for the tuhs and pups
mailing lists will be queued until I get back.
Hope you all have a safe and happy festive time!
Cheers,
Warren
Although some here may recognize me from the PDP-11 newsgroups, I am a
new member of the mailing list. And I come with a problem right off the
bat!!
Is there anyone here who can give me hand figuring out how to get more
than 1M of memory working on an 11/23+ and an 11/73??
This has me pulling my hair out!! I have a couple of M7551 4M modules
but can't seem to make them work beyond setting them for 1M.
I have Ultrix-11 3.1 running (even with TCPIP!) and really would like
to get more memory so I can make them functional rather than just running.
Is there anyone here who can offer any help.
And as long as I have everyones attention, anyone here who knows anything
about the H777 power supply in the 11/24?? I've got a dead one and I
really miss my only UNIBUS machine. Come to think of it, it would run
ULTRIX-11 pretty good as well if I could revive it.
Any help greatly appreciated.
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
bill(a)cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
Dear All,
I am currently looking at making the 2.11 FP simulator work.
Unfortunately I don't have a non floating point PDP to check things on.
Can some one who has please try running some FP code on the Generic
Kernel for 2.11 and let me know what happens. I am slowly going through
the code but some symptoms would be useful.
regards
Robin
____________________________________________________________________
Robin Birch robin(a)ruffnready.co.uk
M1ASU/2E0ARJ/M5ABD Old computers and radios always welcome
