I picked up a nice Tektronix 1241 logic probe to help me debug my old
computers, and I have everything I need (4 6460 pods, 1 6462, a few
flying lead sets, some grabbers, etc...) except ground leads (Tek PN
344-0267-00). Anyone out there have any to spare? Any suggestions for
good places to find accessories for old logic analyzers like this (my
Google searches keep turning up sites that want $400 for a probe and
don't even have anything in stock...)
Thanks,
Josh
Re: "Glad to hear you're keeping your trusty LaserJet 4 - those are really
great printers. And, on the plus side ....."
Ah, the Laserjet 4+ is an even better version ........
:-)
Is anyone available to pack and ship a MacTV from Land O' Lakes, Florida?
If so, please contact me directly.
Thanks!
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
For those who are still interested in this (Rik?), I've now built the
interface from an HP262x keybaord (actually one 'borrowed' from my HP2623
terminal) to my HP120.
The differenve between the 2 keyboard interfaces is quite simple. The
HP120 puts the scan counter in the keyboard, the interface being the
clock and reset lines for this counter, along with an active-high
'current key pressed' siganl. The HP262x puts the scan counter in the
terminal, the inteface is the 7 key select lines (basically the outputs
of the counter) and an active-low 'key pressed' signal (open-collector).
Although the Hp262x runs the keybaord at 5V, it's all 4000 series logic
interally, and can be run at the 12V of the HP120 interface.
So the interface between this keyoard and the HP120 is little more than a
7 it counter.
I've now built it, it's a little box with a DA15 socket on one end to
take the plug from the unmodified HP2623 keyboard (I obviously wanted to
leave the keyoard unchanged so I can still use it with the 2623 terminal)
and a short cable coming out of the other end ending in an RJ11 plug to
go into the HP120.
Inside are 3 chips, all common 4000 series CMOS parts. :
A 4024 (7 bit counter). This is linked to the clock and reset lines from
the HP120 via the resisotr/diode protection networks as used in an HP150
keyboard.
The bottom 6 outputs of this counter are buffred by a 4050 chip and then
fed via a 16 pin header plug nad socket to the DA15 socket for the
keyboard. This chip may not be necessary, but some counters don't like
driving long cables (glitches on the outputs can change the state of the
flip-flops). I dout the 4024 sufferes from this, but adding one chip to
be sure seems worth it.
The last output from that counter is buffered bu 2 sections of a 4049 in
cascade. The reason I used that chip is that I needed a NOT gate to
invert the open-collector key-pressed/ signal from the HP2623 keyboard.
This I did,, after pulling said signal high with a 3k3 resistor. The
output of that NOT gate is again given a diode/resistor protection
circuit and fed to the HP120
And it works. It worked first time actually (well, I did test as I went
along, but after fitting the last connection , plugging everything in and
powering up, it worked). I can type on the keyboard, the correct [1]
characters come up. I can use the function keys, configuration screen, etc.
[1] Modulo the fact that I have Danish/Norwegian ROMs in my HP120 (!)
I am now looking at modifying an HP150 keyboard to work with the HP120.
More news if I get that working!
-tony
Thanks for whoever it was who posted the info on the IBM 029 keypunch
on eBay. I have won it, nobody else bid. After it has been shipped
across the Atlantic I will have to think about converting it from 60Hz
to 50Hz. I have the remains of a 50Hz verifier which has a 240v / 50Hz
motor I should be able to use. Hopefully the rest runs on DC, so a
step down transformer before the transformers and bridge rectifiers
might be enough. Shipping costs more than the item of course.
Anyone have any thoughts if it is worth trying the whole thing with
just a 240 - 110 transformer? If the motor burns out, not the end of
the world.
I've got a Telebit T2500 modem with a manual but no power supply.
I also have a Penril Alliance .v32 modem with manual, no supply.
If interested, email me off list. Thnx!
g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
OpenQM - A Multi-Value database for the masses, not the classes.
http://gpl.openqm.com - Get it _today_!
Hej G?ran,
There's always donation to IT-Ceum in Link?ping. Kinda far away, but still in Sweden and a nice Museum.
Cheers,
Lee Courtney
Menlo Park, CA 94025
--- On Sat, 4/11/09, G?ran Axelsson <axelsson at acc.umu.se> wrote:
> From: G?ran Axelsson <axelsson at acc.umu.se>
> Subject: Large cache of classic computer in Ume?, Sweden
> To: General at acc.umu.se, "On-Topic Posts Only" <cctech at classiccmp.org>
> Date: Saturday, April 11, 2009, 3:22 AM
> Hi List!
>
> I'm helping a friend to empty a storage which he has to
> have empty by the end of the month so time is short. This
> message is a mix between "look what I've got" and "Help,
> need a good home for this lot". I'm taking over a large part
> of this collection but I can only take care of the most
> precious computers.
>
> The contents of the storage is a lot of personal stuff and
> other random objects, but he also collects old computers
> with focus on Norsk Data machines.
> More or less of what we can see so far, this is the major
> parts...
> - ND-5700, two full rack, one complete, one missing a CPU.
> I'll take care of this system.
> - ND-Filestore, disks and tape. I'll take this one too
> - ND-110 Compact, 4 machines. I'll save all and reserve one
> for my self.
> - ND-110 Satellite, about 10 machines. I'll try to save
> all, reserving one or two myself.
> - ND-Butterfly, 2-3 machines, all spoken for.
> - A huge stash of manuals. Will be saved and scanned. A lot
> of doubles exists.
> See the list at http://www.ndwiki.org/wiki/Virtual_library#ND_Library_Teg_in_Ume.C3.A5
>
> - ND-Notis terminals. (Nokia VT220 terminals). Circa 80
> terminals. Only a few are spoken for, anything left near the
> end of the month will go into the dumpster.? :-(
>
> - NEC Monograph, new systems in boxes 4-6 systems, complete
> with graphics controller and all. For running DTP under Win
> 3.0/3.1, monochrome monitor Maybe two spoken for.
>
> - A lot of Archie computer laptop parts, 286.
> - ISA IDE controllers, new in box. approximately 30 cards.
> - Some IBM system 3 manuals, RPG2
> - ... plus a lot more that I can't remember right now.
>
> We have found a number of other computers among all the
> scrap, some really nice ones. I liked the ABC 1600, an unix
> machine made by Luxor with a twistable screen with white
> phosphor. But those computers are going to remain in my
> friends custody.
>
> If time permits we could send stuff by mail or in some
> other way. We might store some stuff if we know we could
> ship it off after the move but this month will take all our
> time just to clear space and move the bigger machines
> around.
> Local pickup is preferred and will get priority over any
> shipping.
>
> My phone number is int+46 (0)73 98 67 881.
>
> /G?ran
>
Greetings Folks!
As many of you noticed almost a year ago, we started having issues with the
classiccmp server. Some of these were hardware issues, some software, etc.
Due to the extreme generosity of Al Kossow, a new server was recently
provided for the list. It is a very nice 2U dual cpu 2.2ghz opteron with 4gb
ram, dual gigabit ethernet, and six 300gb hot swap ata drives. Two of the
drives are mirrored (gmirror) and hold the OS (freebsd 7.1) & software. Of
the remaining drives, 3 are in a zfs raid5 pool and one drive is a hot
spare. These drives hold the websites, ftp sites, mailing list data, etc.
Over the past few weeks I've been working to migrate all the
classiccmp-related websites that I host on the server to the new machine.
Last I did the classiccmp.org website (which means the archives were
unavailable for a week or two as they existed {and were still being updated}
on the old server). A day or two later I migrated the archives and finally
yesterday - the list itself. To the best of my knowledge, all should be up
and running well. There is *STILL* a problem with the htdig indexing of the
lists. I am going to finally dedicate some time to researching that. I've
been putting it off for eons because I've mostly forgotten everything I used
to know about HtDig. I still have to do a little work to get metrics back
up, unfortunately my favorite tool (mod_watch {interfaced with cacti}) is no
longer supported so I may be looking for a new tool along those lines to
implement. If you have suggestions, please email me off-list, I don't want
to start a long off-topic discussion of modern hosting tools.
I would like to post a list of all the classiccmp-related websites, ftp
sites, etc. that are lurking on the server, as I suspect some are not
commonly known. Everyone who has things hosted on the classiccmp server is
aware of it - so if you object to me posting your URL please email me within
the next few days and let me know and I'll omit your site.
I'd like to take this time to re-iterate my offer to host any classic
computer related websites, ftpsites, mailing lists, wiki's, blogs, etc. at
no charge. I don't want to run the site, I just provide free hosting and
bandwidth - the site is still yours. The server is in a world class
datacenter with serious bandwidth - not on a DSL line in a basement or
anything :) Along those lines, several people recently asked to move their
classic computing sites to the server and I asked them to wait till the new
server was up. We have gobs of free disk and the machine is reliable now, so
re-contact me and we'll get it up and running.
My classiccmp email address got to a half gig, it will be a long, long time
before I skim through it. However, I have put it into a different mailbox so
I can definitely see any new emails to my classiccmp address and will keep
on top of those. Or attempt to :)
I am trying to get back to things classiccmp related - as well as actively
reading the list again instead of just watching the server. I departed for a
while due mostly to classiccmplist-burnout and "work stuff". The work stuff
has mostly settled down, and I find myself very much wanting to dig back
into my beloved DG's, HP's, and yes, even the DEC's </troll> My last
acquisition was an excellent Data General Dasher D200 terminal, which will
look awesome sitting next to the Eclipse S/130. Next project is to make room
for a metric boatload of 800/1200 DG minis and get them here instead of
storage.
Glad to see all the familiar faces, as well as some new ones. Best regards,
Jay West
Paul Koning <Paul_Koning at Dell.com> wrote:
>>>>>> >>>>> "Don" == Don North <ak6dn at mindspring.com> writes:
>
> Don> The 'even/odd-skew-by-6' algorithm mentioned in a previous email
> Don> is what I found works for XXDP. It is probably the DEC
> Don> 'standard' for RX01/02 drivers.
>
> I would assume that is the case. I found it in a RSTS driver, and
> the that that two very different systems share a mapping function
> suggests it's a DEC standard. (DEC certainly tended to standardize
> this sort of thing company-wide.)
Yeah. I can report that RSX do the same skewing/interleaving as well.
And to make the point even clearer to the original poster: this is not
something simh is aware of, or involved in. This is a mapping algorithm
done by the PDP-11 in software (in the driver). So it definitely applies
in this case.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
Fred Cisin <cisin at xenosoft.com> writes
> You don't think agree that even the theoretician should understand that
> some algorithms can take advantage of existing order and end early, while
> others are a fixed duration?
>
>
> Example: The library is doing a "retrospective conversion" of its card
> catalog to an OPAC ("Online Public Access Catalog"). The cards are
> mechanically scanned. They are nominally in order, however, due to being
> handled by humans, a lot, there "might be" some errors in sequence.
> "Might" - yeah, right. Which sort is "better"? "Shell-Metzner" or
> "shaker"?
In the past couple years Google and Amazon return search results
to not just the title or author, but the text in the book if it has
been OCR'ed or was originally electronic. Obviously Google knows
a lot about efficient free-text searching but other folks know it too.
In the past 15 or 20 or maybe even 30 or 40 years in the right circles
(I do not hang around in database circles! But I was using Rdb a while
back) the catalog would be loaded
straight to an indexed database with several keys arranged for
easy alphabetical sorting. The indexed database might even be
smart enough to allow free-text or associative searching through
some clever trickery. Even if there wasn't an index on the field we
wanted to sort on there's probably the SQL "ORDER BY (whatever)"
keyword. I will admit that databases can do some spectacularly
slow things if you build your indices wrong, and even the most
expensive version of Oracle can suddenly become much slower than
an Apple II running a linear search on a cassette-tape file
in the hands of the clueless.
In the past 10 years or so, I'd just say (in Perl) "sort keys %hash".
Surprisingly until fairly recently this could, worst case, be a quadratic
sort but they recently put some tricks in (preshuffling) so this
will basically never happen.
If I was interviewing a recent CS graduate I would expect him to
not address the problem of a card catalog index by talking only about sorting,
I'd expect him to know some of the newer technologies - databases with
keys; maybe even knowing about hashes if I ask about how a database
implements an index; possibly knowing about the indexing technolgies
allowing free-text searches. If he started talking about
bubble vs shell sort I would go "OK, you got the points for knowing
about sorting, now teach me about this new stuff" about 10 words in.
If I wanted to know what he knew about how algorithmic complexity I'd ask
him about bogosort which probably they didn't teach him about in school,
but would give him a leg up if he had been reading or maybe even
contributing to the Jargon File for the past few decades.
If a candidate agreed with me that buying Oracle got the governor
of California fired, I'd hire him on the spot.
If I had a new hire and I saw him writing any sort algorithm, I'd teach
him how to do it by using one already built into the system.
Tim.
I've got an old Compaq LTE (I believe it's the original 8088 variant,
but I can't find a model # on it anywhere) that I'm trying to recover
some files from for a friend. The power supply is long gone. The hard
drive is certainly some proprietary interface, so I'd prefer to try to
get the laptop running before I try to take it apart and read the drive
in something else.
Anyone have a power supply for one of these, or know what voltages it
takes? (It has a 4-pin power connector, don't know if this style of
connector has a name...)
Thanks,
Josh
I thought I recall some of you guys looking for one of these, in a few chats last week.
I'd buy it, but I dont have a system (anybody have one they would sell to to a fellow vintage fan?)
Randy
ebay
$40 at present
250394374739
_________________________________________________________________
Hotmail? is up to 70% faster. Now good news travels really fast.
http://windowslive.com/online/hotmail?ocid=TXT_TAGLM_WL_HM_70faster_032009
I sent this a couple weeks back, about when the list went down for a few
days. I'm not sure if it was received or not. There were no inquiries,
so either nobody wants S-100 stuff these days, or the message didn't get
out. Sorry if it is a dup and nobody is interested.
A gentleman contacted me and said he had some things that his brother
had made/used back in the day, but he wanted to find a new home for them
after his brother died. I have given away my S-100 stuff, so I have no
use for it. He doesn't want his email address on the web, so contact me
and I'll put you in touch with him.
Al Kossow, this stuff is coming from Bob Senzig -- this was his brother
Don's stuff.
1) Z-80 CPU 2810A assembly number 02810001A (mfg)
2) Model 2422 multi mode floppy disk controller assembly number
02422-001 rev B (mfg)
4) Data technology 018A000 rev 2 (manufactured)
5) Vector Graphics 64K RAM Assembly number 3504 (mfg)
6) Vector Graphics serial card ZCB (mfg)
7) Processor Technology Co. 2KRO (hand wired) with boot PROM
8) GODBOUT 4K static RAM (hand wired)
10) Vector Graphics floppy disk drive disk controller assembly number
356500000600 (mfg)
11) Altair DMA interface 1976 (hand built)
12) Processor technology 4K RA (hand assembled)
13) 4K static RAM by Solid State Music 1976 (hand assembled)
15) Extender card (hand assembled)
17) IMS Associates Inc 1976 CRI rev 1 Audio interface board (hand assembled)
18) Godbout 4K byte RAM module (hand assembled)
Ok, I have found the 8" floppy disk with the ISIS-II PL/M-86 compiler on
it. It is transferring at the blazing speed of 2400 bits/second using
Kermit protocol into a PC. From that point I will be able to send it to
a computer that sends my e-mails out. So we wait for 2400 bits/second
to transfer the plm86 compiler with its overlay files. It really is
slow. I love the technology, but it is slow!
Stay Tuned for Updates!
Jeff Erwin said the following on 4/11/2009 6:42 PM:
> Yes, I do! Thanks!
>
> On Sat, Apr 11, 2009 at 3:32 PM, Dave Mabry <dmabry at mich.com
> <mailto:dmabry at mich.com>> wrote:
>
> Jeff,
>
> Your requests all came through today. Don't know what was wrong
> with the list server, but at the same time I saw your request here
> I saw someone telling you that you have e-mail.
>
> My question is this. Do you still need the PLM-86 that runs under
> ISIS-II? If so, I can probably locate it. I'll have to serial
> transfer it from my MDS to a PC, so I don't want to do it if you
> already have it.
>
> Let me know if you still need it.
>
> Dave
>
> Jeff Erwin said the following on 4/6/2009 1:12 PM:
>
> I purchased the Godbout 85/88 card for my Imsai 8080, seems to
> be working
> fine so far, although
> not at 5Mhz. I must have a memory card that can't handle the
> blazing 5 Mhz
> access.
>
> I am looking for a PLM86 compiler. I have the PLM80 compiler and
> linker/locator
> (if anyone needs this, please let me know) but am struggling
> finding the
> PLM86
> compiler and associated linker/locator. I am currently loading
> code into my
> system via a HEX loader I wrote and sending the hex file in
> via the serial
> port
> from my Mac Pro (yes, a $5000 quad-processor computer serving
> as a dumb
> terminal
> to my 2Mhx 8080).
>
> I want to be able to write PLM86 code and do the same for the
> 8088 on the
> GodBout card.
>
> Anyone know where I can find PLM86?
>
> Jeff Erwin
>
>
>
>
>
>
Hi all,
I went to a electronic store near Tek and found these gems if anybody wants them:
4501 Preliminary Service Manual
4050 Graphics System reference Manual
T4002 Graphic Computer Terminal Specification
Unless of course somebody has a 4051 the want to get rid of... How much?
Randy
_________________________________________________________________
Quick access to your favorite MSN content and Windows Live with Internet Explorer 8.
http://ie8.msn.com/microsoft/internet-explorer-8/en-us/ie8.aspx?ocid=B037MS…
I purchased the Godbout 85/88 card for my Imsai 8080, seems to be working
fine so far, although
not at 5Mhz. I must have a memory card that can't handle the blazing 5 Mhz
access.
I am looking for a PLM86 compiler. I have the PLM80 compiler and
linker/locator
(if anyone needs this, please let me know) but am struggling finding the
PLM86
compiler and associated linker/locator. I am currently loading code into my
system via a HEX loader I wrote and sending the hex file in via the serial
port
>from my Mac Pro (yes, a $5000 quad-processor computer serving as a dumb
terminal
to my 2Mhx 8080).
I want to be able to write PLM86 code and do the same for the 8088 on the
GodBout card.
Anyone know where I can find PLM86?
Jeff Erwin
--------------------------------------------------------
I do not own this equipment, please contact Alice below:
--------------------------------------------------------
I live in South Florida, have some old Mac equipment - MacPlus, Quadra, etc. Syquest drive and tapes.
I may be running out of room to keep them. Is there a collector in my area?
Alice Silver <alicessss at aol.com>
--------------------------------------------------------
I do not own this equipment, please contact Alice above:
--------------------------------------------------------
the problem is buyers jacking up their own auctions using friends or fake accts. typically early bids are not actual bids they are just to jack up the price. granted there are honest sellers and buyers but there are practicaly no controls in place for frauds, even in some cases fake items its not always the seller but its a lot harder for a bad buyer to rip people off damn near impossible if yer careful not so with bad sellers and fleabay doesnt care one damn ---------- Sent via Telus My Email 2.0
-----Original Message-----
From: js at cimmeri.com
Sent: 4/11/2009 6:04:14 PM
To: On-Topic and Off-Topic Posts
Subject: Re: (was) I [don't] hate E-Bay (was ...) Annoying bidding from buyer's perspective
>> However from my perspective, every dime over $5.10 (which it was at at
>> 1am saturday morning, a few hours before the end of the auction) was a
>> waste of my money.
>>
> Waaaaaaaaaah. Someone bid against me, waaaaaah.
>
> Its an auction. Get used to it, or only purchase "buy-it-now" items.
>
I'll add, it astonishes me how some people expect everything for
nothing. Are they fresh in from some third-world country where they
earn $1000/year for hard labor? Penny pinchers to an extreme degree!
jS
-------------Original Message:
Date: Sat, 21 Mar 2009 15:31:32 -0700
From: "Chuck Guzis" <cclist at sydex.com>
Subject: Re: Old Timers [was: CompuPro CPU-68000]
On 21 Mar 2009 at 15:50, Jim Battle wrote:
> Chuck, that was spoken like a true old-timer, but your derision is
> laughable. "Hey, you damn verilog coders, get off my lawn!"
>
> I'm surprised, as you saw the transition from tubes to transistors to
> ICs, so it shouldn't shock you that the next evolution of integration
> requires just as much engineering and intelligence, although the
> problems to be solved are somewhat different.
Oh, I was trying to be humorous about it. I write Verilog too; it's
fun in its own way.
I could just have easily grumbled about ... laying out 14 AWG busbar on
mahogany breadboards between surface-mount (meaning that they're
attached with woodscrews) components.
Times change, and all too frequently, we don't. All we can do is
grumble.
--Chuck
--------------Reply:
Aw, some folks just don't get irony and subtle humour...
But you're right: I never thought about it but we've come full circle with
surface-mount techniques; I wonder if royalties are being paid...
m
Hello all,
Does anyone have a keyboard of an IBM 3741 or 3742 spare ?
Mine has stopped working. IBM has used two custom LSI chip in
this keyboard and makes it now non repairable :-(
Please contact me off list if you can help.
Thanks
Henk
http://www.ibmsystem3.nl
I am a "Power Seller" with over 10 years on E-Bay, probably 5,000
transactions, but I am not a business and most of my activity is buying, not
selling.
First, re: "I hate [ebay] because it defrauded me in 2005", that is, in all
probability, BS. E-Bay didn't defraud you, the other party (buyer or
seller) did. E-Bay is not a principal to the transaction; it is merely a
venue for bringing buyers and sellers together.
Second, IF YOU KNOW HOW TO USE E-BAY, it is EXTREMELY safe. Most of the
sellers (and buyers) are honest, more than 99% I'd say. If you pay through
Pay-Pal with a credit card, you have about 3 levels of protection even if
the seller is fraudulent: E-Bay, Pay-Pal and your credit card company. You
do have to know how to use the various systems to protect yourself; you can
look at a seller's history, and about the comments that people who have
dealt with that seller previously have left about their transactions. If
you educate yourself about how to use E-Bay, it is quite safe. Is it
perfectly, totally safe? No, of course not (neither is any other
marketplace), and getting issues resolved when they do occur can be a hassle
and can take months and require that you be persistent and well organized.
There are a surprising number of people with an aversion to E-Bay. That's
their loss, because it's one of the greatest things that the Internet has
brought us, both as buyers and as sellers.
Barry Watzman
Anyone have any info on rebuilding the head for a regular 9-pin dot
matrix printer? I have an open pin-5 coil on mine, and I would like to
take it apart to see if I can repair/replace the coil, BUT I am a bit
concerned about taking these things apart. Springs flying off, etc.
Looking on-line does not turn up anything (so far) on dismantling these
suckers. If necessary I will document it myself, but was hoping the info
was already out there!
The head I have is an Anadex DPH-100, and the only place on-line that
shows them no longer repairs 'em! Nor did the tech I spoke to recall any
details...
John :-#)#
-------------Original Message:
Date: Fri, 20 Mar 2009 16:36:28 -0700 (PDT)
From: Michael Hart <imsaicollector at yahoo.com>
Subject: Re: CompuPro CPU-68000
You know the hiring managers I normally talk to have no knowledge of hardware design.
So even if I am showing off my electrical engineering prowest by implementing a IEEE-696 memory board.
I have the Protel product (www.protel.com), a $4500 piece of software back in 1999/2000 which became Altium (http://www.altium.com/) used to design the most sophisticated hardware. The manufacturing of the boards I understand have become quite cheap. Anyway thank for URL.
But remember I am primarily as very senior software developer with lots of hardware know how. So how would that hardware know how be exploited in getting me contracts?
At least that has not been the interest when people look at me. But still it is a skill I would one day like to exploite in getting a contract
Michael
------------Snarky Comment:
Cleaning up your spelling and grammar couldn't hurt in getting those
contracts; some people do still care...
another michael
Does anyone have a copy of the Orchid PC-Turbo
186 accelerator card diskette/drivers ?
I have one of these cards but no drivers for the card.
Thanks.....
mwhite8 at nc.rr.com
> Message: 16
> Date: Sun, 22 Mar 2009 10:48:30 -0500
> From: "Michael B. Brutman" <mbbrutman-cctalk at brutman.com>
> Subject: Re: Which way to go, from now on?
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Message-ID: <49C65DCE.20701 at brutman.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Coding ...
>
> Getting a development environment setup for a machine can be fairly
> intensive. Especially if the machine had a few vendors that provided
> environments. Once you are setup, nothing teaches you more about the
> machine than trying to wring something useful out of it. ;-0
>
> My favorite example .. the TCP/IP stack that I wrote for DOS. It is
> part of a long process to put a BBS on my PCjr. I missed the
> opportunity 20 years ago to have a dialup BBS, so I'm making up for it
> with a multi-user Telnet BBS.
>
> Getting the development environment setup, writing code that works and
> is stable, and wringing the performance out of it has put me a lot
> closer to the machine that just powering it on once in a while. Given
> your collection, you could spend a few lifetimes doing software.
>
>
> Mike
<ears perking up>
As an oldtimer trying to teach myself more about TCP/IP, it has occurred to
me to wonder whether a similar project might just be the best way to truly
understand the protocols. I think it is probably best that I continue
working
my way through Stevens' and Snader's books first though.
Later,
Charlie C.