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101090 discussions

Problem getting non-blocking sockets going on BSD 2.11

by toby＠coreware.co.uk

I'm in the midst of writing a MUD for PDP-11s running under BSD 2.11 and have run into a problem getting non-blocking I/O working. I initially wrote a simple test program to setup a non-blocking socket and accept connections then echo back anything typed to all connected sessions. This worked fine. However now I've placed the exact same code into my MUD development, the sockets are blocking. I've got the following in my setup of the socket: /* Set socket to non-blocking */ if( ioctl(s,FIONBIO) == -1 ) { printf("Error ocurred"); } which I believe should make the socket non-block and when I run up the code it doesn't throw a failure on the ioctl, however the socket definitely remains in blocking mode. Anyone have any ideas? I've been scratching my head on this one for days now I've put all the source I've written thus far here: http://www.pdp11.co.uk/wp-content/retromud/ Sorry if the code is a bit cludgy, but I've not programmed C for about 15 years and its only just coming back to me! The file comms.c is where most of the socket actions occurs. All the best, Toby

16 years, 2 months

DEChamonicas

by wdonzelli＠gmail.com

I have a bunch of DEC H3104 Harmonicas - the little boxes that fan a Dshell connector out to 8 MMJs. Is there any interest in these, or should I just throw them in the scrap board pile? I have some of the mounting plates for these as well. -- Will

16 years, 2 months

Museums

by hachti＠hachti.de

> I am not so sure that it is necessarily the case that people lose interest > in things that pre-date their own lifetime. I try to collect only stuff that's older than me - so end 1978 is my limit :-) There are some newer things like 11/23 or late additions to older machines. But all in all I like the fact playing with gear from the time before me. But I can understand the concerns. I also assume that the prices for the good scrap won't rise... Kind regards, Philipp

16 years, 2 months

OT: Old SAC film

by cclist＠sydex.com

Since "Wargames" wa mentioned, I thought I'd post this link to an old PR film from the Strategic Air Command. Only a brief shot of computing gear on reel 1, but lots of teleprinters, teletypes and comm consoles. About 18 minutes long. The first two of three reels are of high quality; for some reason, the third one is not. http://www.gwu.edu/~nsarchiv/nukevault/ebb304/film03.htm Cheers, Chuck

16 years, 2 months

Lusent SCSI things

by wdonzelli＠gmail.com

More weird crap. I have a couple of modules - Lucent 990C01407410 (I think) - that are doing me no good, and will end up as scrap soon. They seem to be Differential In to Single Ended Out converters. They are dated 1997. Any ideas as to what machine used these? 3B series add-on? Anyone need them CHEAP? -- Will

16 years, 2 months

DOS versions compared

by lproven＠gmail.com

I've just been setting up a couple of old PCs to go off to the ComputerAid charity. These are junkers: 1 ? Athlon XP 1800+, 640MB RAM, 1 ? Athlon XP 1700+, 768MB RAM; I've fitted both with 20GB hard disks, a DVD-ROM and a CDRW. Remarkably, this level of kit is what some term "skipware" now - just about the lowest spec that the charity will take. I tried both Linux Mint & TinyXP on them, but both hit snags, and I don't want to spend hours troubleshooting, so I downloaded FreeDOS 1.0 and bunged that on. Remarkably, FreeDOS now comes on CD - there is 150MB of it! The install is pretty fiddly, although it all works. On one of them it even autodetects a PCI Ethernet card & goes online. And to my amazement, I discovered that I'm credited in the README file for the bundled OpenGEM GUI. I am a bit torn over FreeDOS, though. I used to be a big fan of DR-DOS, back in the day, although in the end I saw & deployed far more MS-DOS boxes. :?( But FreeDOS seems to have surpassed both the standalone editions of MS-DOS (which ended at MS-DOS 6.22, although PC-DOS 2000 advanced on that in a few areas). FreeDOS boasts large (20GB) partition/filesystem support, FAT32, Win9x-style Long File Names, native networking, TCP/IP, CD-ROM & writer support, comes with dev tools, web browsers, email, games, all sorts. It's a hell of a DOS system! I was wondering if anyone here had used it in anger at all? How does it hold up compared to MS-DOS, the embedded DOS in Win9x, IBM PC DOS, DR-DOS in its commercial or FOSS incarnations...? -- Liam Proven ? Profile: http://www.linkedin.com/in/liamproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AOL/AIM/iChat/Yahoo/Skype: liamproven ? LiveJournal/Twitter: lproven MSN: lproven at hotmail.com ? ICQ: 73187508

16 years, 2 months

Classilla 9.1 released

by spectre＠floodgap.com

It's still technically off-topic (2002 is only 8 years ago), but for Mac OS 8.6 and 9 users, I released Classilla 9.1 tonight, the most current version of the Mozilla-based web browser I maintain for the classic Mac OS. It's still a work in progress, but I eat my own dogfood, and this tastes good enough to put in the can. (And belabour the metaphor.) http://www.classilla.org/ -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- There are few problems that the liberal usage of high explosives can't cure.

16 years, 2 months

joysticks for dos games

by brianlanning＠gmail.com

I need to do a bit more research on this. But can someone suggest a good joystick for older PCs with db15 connectors? Most of them seem to be cheesy flight sticks. I've seen playstation style controllers with usb connectors on them. Something like this would be ideal if it had a db15 connector. Any suggestions? brian

16 years, 2 months

DEC Graphics, was : VAX graphics

by emu＠e-bbes.com

Hi all, the discussion triggered it again : Did really no documentation of the grinell systems survive ? Cheers

16 years, 2 months

Labtam 32032

by alec＠sensi.org

Hi! Does anyone have information about Labtam 32032 system ? We've found one in the military depot: http://www.phantom.sannata.ru/forum/index.php?t=6175 (cyrillic, use Google Translator) Seems, this machines was rather popular in the USSR (behind the iron curtain) - it was possible to avoid COCOM since Labtam was an Australian company. It used NSC 32K processol and Unix V2.0 http://en.wikipedia.org/wiki/National_Semiconductor_32016 -- -=AV=-

16 years, 2 months

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