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OpenVMS Hobbyist Program | Hobbyists and OpenVMS | How I Use OpenVMS
Author restoring the game DOOM?
OldIron
Member

Posts: 3
Joined: 15.04.07
Posted on April 15 2007 15:23
Hello,

I recently re-acquired an old Alpha. I would like to get the game Doom back up and running, but for some reason, I cannot for the life of me get the BACKUP command to open this file.
The unzip creates the DOOM.BCK file, but from there, I cannot seem to get it to restore.
Any advice or directions would be GREATLY appreciated!
Actually, my older brother and I want to start playing again, and once the machine is stable, I want to make it a limited access machine on the web.
Below is the url I grabbed the game from.

http://www.openvmshobbyist.org/GAMES/DOOM.ZIP

Thanks for any help...

OldIron
Author
imiller
Administrator

User Avatar

Posts: 277
Location: UK
Joined: 24.02.06
Posted on April 16 2007 00:23
what do you get when you do
BACKUP/LIST DOOM.BCK/SAVE

Is this successful?

If ok the restore the contents

BACKUP DOOM.BCK/SAVE dev:[dir...]
http://www.encompasserve.org/~miller/
Author Not a 'saveset'
OldIron
Member

Posts: 3
Joined: 15.04.07
Posted on April 16 2007 04:57
Sorry about the beginner questions, but hey, it's been 20 years since I did ANYTHING with VMS <G>...

Well, your command responds that it's not a saveset.

I'm guessing that the copy I grabbed from here and saved on my little FTP isn't 'configured' right or something.
Problem is, I'm moving slowly one step at a time, and I haven't gotten a browser up yet, so grabbing direct from openvmshobbyist isn't a viable option yet. I'm having trouble with mozilla, and I just DL'd netscape, but haven't had time to get serious yet.

Is there a command to 'reset' the .zip or .bck file to VMS specs, if this is in fact the problem?

Thanks again for your patience...

OldIron
Author That did it!
OldIron
Member

Posts: 3
Joined: 15.04.07
Posted on April 18 2007 18:54
Jeez

If I only remembered that simple command <G>..
Found the utility, ran it and voila! perfect saveset once again!
Thanks for the directions and advice!

Now it's up and running!

Anyone want to play <G>

Actually, I'm thinking of putting the game on an open port for any who wants/asks to play. (I wonder if anyone would want to play an old game like this other than me and my brother.)

OldIron
Author RE: restoring the game DOOM?
jferraro
Member

Posts: 12
Joined: 06.06.08
Posted on August 16 2008 17:15
Funny... I'd been wondering the same thing. A month or so ago, I put five or so of the old games online with a public [captive] games account. Word of mouth (thus far) has generated quite a steady stream of folks on my machine.

On that topic, yesterday I recompiled a Z-code interpreter so I could play some of the old Scott Adams games (e.g. Pirate Cove). I put them online, but the quickly pulled them offline because I was unable to locate any "freely available" documentation. Anyone know the copyright status of these games -- I believe they were part of the old Infocomm days...

Joe
9563501
Author RE: Infocom documentation status
lexthehex
Member

Posts: 6
Location: Devon, UK
Joined: 19.02.08
Posted on March 14 2009 03:59
I also compiled an Infocom interpreter ('Zip') for my OpenVMS system. Regarding the copyright status of Infocom games and their documentation, Activision (http://www.activision.com - warning, lots of annoying animated stuff) probably still own them. This is very annoying to me as they haven't produced any new compilations for a long time and they're now getting rare (occasionally some of the Lost Treasures Of Infocom series appear on eBay).
15101050 http://brooknet.no-ip.com/
Author RE: restoring the game DOOM?
commodorejohn
Member

Posts: 9
Joined: 19.11.12
Posted on May 23 2014 06:00
Old thread, but I'm curious - I've managed to download the DOOM ZIP archive from this site and extract it on my VAXStation without issue, but I can't get the BCK file to restore properly - BACKUP claims that it's not a valid save set. I know there can be issues with VMS file attributes not getting set correctly, but since I passed the ZIP through untouched and extracted it on the VAX using a native unzip utility, I thought that should all get set correctly. Am I missing something?
Author RE: restoring the game DOOM?
reinhardtjh
Member

Posts: 29
Location: Cincinnati, OH, USA
Joined: 15.12.05
Posted on May 25 2014 20:55
Yeah. It suffers the classic problem of a VMS save set transferred via a non VMS FTP program. You need the DCL command file that sets the RMS file characteristics back to the correct ones for a BACKUP saveset.

Check out the information here: http://h71000.www7.hp.com/openvms/freeware/backup.html

john H. Reinhardt
vaxman75 johnhreinhardt
Author RE: restoring the game DOOM?
Bruce Claremont
Member

Posts: 485
Joined: 07.01.10
Posted on May 27 2014 02:31
$! RESET_BACKUP_SAVESET_ATTRIBUTES.COM
$!
$! P1 is the specification of the BACKUP
$!
$! This procedure resets the record format and
$! length attributes of a BACKUP saveset --
$! can get "broken" during certain sorts of
$! transfers -- such as FTP. This procedure reads
$! (undocumented) saveset record attributes
$! out of the target
$!
$! First render the saveset readable, and
$! check that the file exists.
$!
$ Set File /Attributes=(RFM:FIX,MRS:512,LRL=512,ORG=SEQ,RAT=NONE) 'p1'
$!
$ Open/Error=whoops/Read BckSaveset 'p1'
$ Read/Error=whoops/End=whoops BckSaveset Record
$ Close/Nolog BckSaveset
$!
$! Find the blocksize from within the record...$
$ BlockSize = 0
$ BBH_L_BLOCKSIZE = %x28*8
$ BlockSize = F$CVUI(BBH_L_BLOCKSIZE, 32, Record)
$ If BlockSize .lt. 2048 .or. BlockSize .gt. 65535
$ Then
$ Write sys$output "Unexpected block
$ Goto whoops
$ Else
$ Set File /Attributes=(RFM:FIX,LRL='BlockSize', MRS='BlockSize',RAT=none) 'p1'
$ endif
$ exit
$!
$WHOOPS:
$ Write sys$output "Error"
$ exit
Author RE: restoring the game DOOM?
fluidbyte
Member

Posts: 4
Location: USA
Joined: 22.09.09
Posted on January 12 2015 18:29
A handy command I learned to run to fixup a BCK savesets once transferred back to VMS from beyond VMS comfy confines:

FIXBCK == "SET FILE /ATTR=(RFM:FIX,LRL:32256)"

$ FIXBCK saveset.bck

(works for DOOM too smiley )

BTW, often a random zip-file gets its record attributes messed up -- it needs to be Stream-LF to unzip properly on VMS, so convert it (generate a stream_lf.fdl if needed):

$ CONVERT/FDL=stream_lf.fdl zipfile.zip zipfile.zip;


DOOM FOREVER!
Edited by fluidbyte on January 12 2015 18:30
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malmberg
December 12 2017
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malmberg
September 10 2017
https://sourceforge.net/p
/vms-ports/wiki/VMSInstal
lation/ For the most part just use VMS 6.1 media instead of 7.3. But why run the older release?


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August 07 2017
Where can I find the write up on running VMS 6.1 using the simh emulator?

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Happy to have found my password again!

pintero
March 16 2017
peteherrera. Agreed.

peteherrera
March 04 2017
It would be nice to be able to buy the lastest hardcopy full OpenVMS docset at a very reduced price through the Hobbyist program. smiley

malmberg
February 05 2017
Decus > Connect > Encompass<Country>

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Hello, I am in need of the openvms.disk, but I don't know where to obtain it

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personal alpha

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personal alpha+

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