Re: VAX in action

2015-10-14 Thread Liam Proven
On 13 October 2015 at 02:33, Sean Caron  wrote:
> I will also lay the blame for my lack of inline quoting at the
> feet of same; GMail makes a total hash of it.


No it doesn't; it works perfectly.

Either hit Ctrl-A to expand all, then trim as required, or if that's
too hard, go into Settings and the Labs tab and enable:


«Quote selected text
Ryan A

Quote the text you have selected when you reply to a message. (Now
works with the mouse too!)
»

It does proper quoting as well or better than any offline MUA. I'm
using it right now.



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The Burroughs B5900 and E-Mode

2015-10-14 Thread Liam Proven
I don't know if this memoir is well-known or not, but I thought it
might interest.

«

The Burroughs B5900 and E-Mode
 A bridge to 21st Century Computing

By Jack Allweiss  Copyright 2010

My name is Jack A. Allweiss, also known as “The Father of the B5900
System”.  I did not give myself that title, my friends and co-workers
at Burroughs Corporation did, and I consider it a great honor.  This
true story is about the B5900, and why it was an important milestone
for Burroughs and later Unisys, as well as the computer industry in
general.
»

http://jack.hoa.org/hoajaa/BurrMain.html

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Re: The Burroughs B5900 and E-Mode

2015-10-15 Thread Liam Proven
On 14 October 2015 at 17:15, Noel Chiappa  wrote:
> Wow! What a fabulous story/writeup! Highly recommend to everyone.


Oh good -- glad someone else enjoyed it. :-)

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Atari Unix

2015-10-17 Thread Liam Proven
Apparently efforts are underway to get this unreleased product working.

I believe it was aimed at the TT030 desktop "workstation" model of the
ST family:


https://en.wikipedia.org/wiki/Atari_TT030


Atari did licence UNIX™ and got a really good deal — $10 a seat!


http://techcrunch.com/2011/01/18/the-atari-st-could-have-run-unix/


… But the original 68000 version couldn't hack it. No MMU.


http://www.dadhacker.com/blog/?p=1383


The product did eventually exist:


http://www.atariunix.com/


But as ever it was too little, too late.


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Re: Atari Unix

2015-10-17 Thread Liam Proven
On 17 October 2015 at 15:06, Dave G4UGM  wrote:
> Perhaps also "too expensive"?

AIUI Atari UNIX never shipped as a product, so that’s academic; nobody
knows what they would have charged. I’m not sure about this, though.

But the “big 3” alternative home computer platforms of the 1980s all
offered a UNIX — Acorn RISC-iX, Commodore Amiga UNIX and Atari UNIX.
None caught on — they were vastly expensive for home users, and the
machines were seen as toys by professionals using SUN workstations and
so on.

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Re: Atari Unix

2015-10-17 Thread Liam Proven
On 17 October 2015 at 16:01,   wrote:
> I was always under the impression that a few of them made it out there?
>
> I have a TT030 and actually was just looking at it last night. It has a VME
> slot (as they call it) that has a dual serial port board installed. I think
> it has a modem port. I know it's not compatible with normal ST softwar,e has
> VGA, does not use a ps2 keyboard but uses an ST keyboard, and has real SCSI
> versus ACSI!
>
> Strange computers. Doesn't look quite as cool as the Mega 2/4 IMHO but still
> interesting!

Er, possible crossed wires here.

The TT shipped, sure.

It’s Atari UNIX that I /think/ did not.


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The KIM Uno -- a modern clone of the KIM-1

2015-10-20 Thread Liam Proven
Just learned of this via a tweet from a former colleague:

«
The KIM Uno is a small "open-source hardware" project to build a
replica of the classic 1976 KIM-1 computer. It doubles up as a 6502
programmable calculator. It costs about $10 in commonly available
parts (board & parts without case or power supply), but provides a
faithful KIM-1 'experience'. An atMega328 (Arduino Pro Mini, actually)
mounted on the back of the board contains all the logic and memory.
»

http://obsolescence.wix.com/obsolescence#!kim-uno-summary/c1uuh



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Vintage BBC Computer gets FPGA Buddies

2015-10-20 Thread Liam Proven
«
The BBC Microcomputer System (or BBC Micro) was an innovative machine
back in the early 1980’s. One feature that impressed reviewers was a
“tube” interface that allowed the machine to become an I/O processor
for an additional CPU. When the onboard 6502 became too slow, it could
become a slave to a Z-80 or even an ARM processor. The bus was
actually useful for any high-speed device, but its purpose was to add
new processors, a feature Byte magazine called “innovative.”

[Hoglet67] has released a very interesting set of FPGA designs that
allows a small board sporting a Xilinx Spartan 3 to add a 6502, a Z80,
a 6809, or a PDP/11 to a BBC Micro via the tube interface. There’s
something satisfying about a classic computer acting as an I/O slave
to a fairly modern FPGA that implements an even older PDP/11.
»

http://hackaday.com/2015/10/03/vintage-bbc-computer-gets-fpga-buddies/

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Re: VCF-Berlin, 2015

2015-10-29 Thread Liam Proven
On 28 October 2015 at 08:58, rod  wrote:
> Well they managed to keep that quiet  or I would have gone like a shot.
> My wife and I go to Germany three or four times a year on holiday.
>
> I worked in Germany for a year (1969/70) and speak enough German to get
> around.
>
> So I am totally hacked off that it was a secret closed show and so I never
> knew about it.
> I could have been there in less than three hours. door to door.
>
> Whoever hid this event form the greater collecting world should be made to
> key in the PDP8 bootstrap 1024 times!!!
>
> Seriously though, it would have been nice to have gone

I was thinking much the same thing. It's only a train ride for me --
OK, a long train ride, but still. I even have a few friends in Berlin
I could have couch-surfed with. :-(


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Know any Fortran programmers who need a more interesting job?

2015-10-30 Thread Liam Proven
«Why NASA Needs a Programmer Fluent In 60-Year-Old Languages

To keep the Voyager 1 and 2 crafts going, NASA's new hire has to know
FORTRAN and assembly languages.
»

http://www.popularmechanics.com/space/a17991/voyager-1-voyager-2-retiring-engineer/

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Re: The list seems very quiet today

2015-10-30 Thread Liam Proven
On 30 October 2015 at 12:02, rod  wrote:
> The list seems very quiet to-day.
> I have had only one post this morning.
> Anybody know why?


No replies to my message about NASA wanting Fortran programmers...

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Re: Know any Fortran programmers who need a more interesting job?

2015-10-30 Thread Liam Proven
On 30 October 2015 at 16:28, Paul Koning  wrote:
> Neat.  I would think that a large fraction of the membership of this list is 
> qualified for that job.


That's why I posted it! :-)



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Re: Vintage computing events in Germany [Was: Re: VCF-Berlin, 2015]

2015-11-05 Thread Liam Proven
On 4 November 2015 at 22:34, Anke Stüber  wrote:
> Hi,
>
> On Wed, Nov 04, 2015 at 09:24:04PM +0100, Anke Stüber wrote:
>> […] Classic Computing 2015 […]
>
> btw, there are more vintage computing events in and around Germany that
> I don't recall being mentioned on the list, like Classic Computing[0]
> (usually in Germany, varying cities) and VCFe/CH[1] (Switzerland,
> Winterthur, unfortunately not happening this year). Also VCFe[2]
> (Germany, Munich) hasn't been mentioned in a while.
>
> If there is any interest, I can post announcements for those events in
> advance.


Echoing whjat

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Re: Vintage computing events in Germany [Was: Re: VCF-Berlin, 2015]

2015-11-05 Thread Liam Proven
On 5 November 2015 at 15:03, Liam Proven  wrote:
> On 4 November 2015 at 22:34, Anke Stüber  wrote:
>> Hi,
>>
>> On Wed, Nov 04, 2015 at 09:24:04PM +0100, Anke Stüber wrote:
>>> […] Classic Computing 2015 […]
>>
>> btw, there are more vintage computing events in and around Germany that
>> I don't recall being mentioned on the list, like Classic Computing[0]
>> (usually in Germany, varying cities) and VCFe/CH[1] (Switzerland,
>> Winterthur, unfortunately not happening this year). Also VCFe[2]
>> (Germany, Munich) hasn't been mentioned in a while.
>>
>> If there is any interest, I can post announcements for those events in
>> advance.
>
>
> Echoing whjat

I appear to have managed to hit UNDO and SEND in a single keystroke. >_<

That previously read:

Echoing what Rod said -- yes, please do!

(A Brit in Central Europe writes.)

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Re: Query for dec teleprinter roms

2015-11-24 Thread Liam Proven
On 21 November 2015 at 10:27, simon  wrote:
> I am very curious as what you are talking about. Is it something with html
> in mail? I configured thunderbird to only show me plain text so I can focus
> on the content and not some graphic noise.

I don't know what they're talking about either. Cory's email looked
normal to me, except for the top-quoting.

Speaking of which, Simon, if you are using Thunderbird then you have
ABSOLUTELY NO excuse for top-quoting. Please do it right.



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Re: Emulation

2015-11-24 Thread Liam Proven
On 21 November 2015 at 16:55, Ray Arachelian  wrote:
> What you really want is the MESS project, http://www.mess.org/ - which
> is part of MAME and has retro computer emulators.


Not any more, no.

As Al K said, MESS has now been merged into MAME.

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Re: DEC Papertape Readers

2015-11-27 Thread Liam Proven
On 27 November 2015 at 13:44, Holm Tiffe  wrote:
> ..a friend forwarded something that look very similar to them, looks as if
> DEC cloned them in some way ..
>
> https://www.facebook.com/Excite.Espana/videos/10154330747448032/
>
>
> :-)


Very nice!

But that looks like the roll (book, whatever) equivalent of a lace
card. I'm amazed it held together enough to play, and I suspect it's
not going to survive more than a handful of plays at best.

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Re: A stored collection piece is a Schrodinger's cat

2015-11-30 Thread Liam Proven
On 28 November 2015 at 11:58, Adrian Graham
 wrote:
> That's what I've been doing for the last 2 months, all centred around fixing
> a PET4032.


Is Sir aware of Tynemouth Software?

http://blog.tynemouthsoftware.co.uk/2015/09/commodore-pet-8032-repair-overclocked-to-death.html

http://blog.tynemouthsoftware.co.uk/2015/05/commodore-pet-romram-replacement-boards.html

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Re: A stored collection piece is a Schrodinger's cat

2015-11-30 Thread Liam Proven
On 30 November 2015 at 18:43, Adrian Graham
 wrote:
> All of this fixing I'm currently doing is all Dave's fault, so yes :)


[Actual LOL]

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Re: A stored collection piece is a Schrodinger's cat

2015-12-01 Thread Liam Proven
On 1 December 2015 at 01:12, Adrian Graham  wrote:
> The
> ROM/RAM replacement board he sells is an excellent 40 pin toolkit to help
> tracing faults in the vast majority of PETs so with the help of Dave and the
> good folk here I've got life back into my most dead 4032.


He's a smart and very helpful chap.

He built a Raspberry Pi 2 into my old LMT 68FX2 ZX Spectrum
replacement keyboard. The snag is, a Spectrum keyboard layout is
really very little use with anything else (e.g. Linux or RISC OS.)
Shame, as it has a good action and feel -- individual sprung keys.

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Re: Oberon and the OberonStation (retro-style FPGA computing)

2015-12-02 Thread Liam Proven
On 24 November 2015 at 08:45, Mark Wickens  wrote:
> Thanks for letting us know about this William - I'm sure there is still
> plenty of interest in Oberon, Modula-2, Modula-3 and other derivatives.


Was there ever an ARM version? I am wondering how hard it would be to
port to Raspberry Pi...

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Re: TU-58

2015-12-02 Thread Liam Proven
On 2 December 2015 at 17:13, Tony  wrote:
> Mathematically, circumference is PI times diameter or 3.14159. times the
> diameter.


[1] Please do not top-quote.

[2] Turn up your humour detectors.

The OP was making a joke about this:

https://en.wikipedia.org/wiki/Indiana_Pi_Bill

That is why he said "in some states" with a smiley.

By attempting to "correct" him, you have merely exposed your own
ignorance of history and mathematics and your inability to work out
the meaning of a smiley.


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Re: Oberon and the OberonStation (retro-style FPGA computing)

2015-12-02 Thread Liam Proven
On 2 December 2015 at 17:54, Jos Dreesen  wrote:
> On 02.12.2015 15:04, Liam Proven wrote:
>>
>> On 24 November 2015 at 08:45, Mark Wickens 
>> wrote:
>>>
>>> Thanks for letting us know about this William - I'm sure there is still
>>> plenty of interest in Oberon, Modula-2, Modula-3 and other derivatives.
>>
>>
>>
>> Was there ever an ARM version? I am wondering how hard it would be to
>> port to Raspberry Pi...
>>
>
> Check out  http://www.astrobe.com/default.htm


Thanks for the info!

So, Oberon *Language* yes, but Oberon *operating system* no?

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Re: [cctalk] Re: TOP POSTING

2015-12-10 Thread Liam Proven
On 10 December 2015 at 16:54,   wrote:
> Bad news is Gmail never deletes your emails, ever. They remove them from
> your view but keep it on their servers for profiling you.

*I* never delete my emails. I have a trail back to 1994. So?

Also, [[Citation needed]] for paranoid ravings.


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Re: TOP POSTING (was: RE: Best 200 buck I have ever spent!!! Deal of a lifetime!!!

2015-12-11 Thread Liam Proven
On 10 December 2015 at 18:07, tony duell  wrote:
> If your mail program doesn't let you scroll to the end of a message and
> start typing then it is fundametnally broken. It may not be convenient, but
> that is not my problem!


Strongly agree. Adrian, if your email client doesn't let you
bottom-quote properly, it's broken.

The only desktop client I've seen that is so completely broken is MS Outlook.

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Re: [cctalk] Re: TOP POSTING

2015-12-11 Thread Liam Proven
On 10 December 2015 at 18:19, Fred Cisin  wrote:
> Let's indulge, for a moment, in some paranoid rantings, . . .
> IF Google were not so honorable and ethical, what kind of power
> COULD they eventually wield with such complete knowledge of people?


I'm with Scott McNeally.

"You _have_ no privacy on the Internet. Get over it."

If I cared, I could run my own server, PGP everything, etc. I am capable of it.

But [a] life's too short [b] Gmail is a very good service, runs on all
my PCs and devices, keeps them all in sync -- mail, address book and
calendar [c] Even if I did go PGP-crazy, there are very few people I
could communicate with.

I have other email addresses. Lots of 'em. About 5 still get checked
regularly. But, frankly, Gmail is the best, so I stay with it.

I am paranoid enough to use a local client to keep a local backup, though...

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Re: [cctalk] Re: TOP POSTING

2015-12-11 Thread Liam Proven
On 10 December 2015 at 20:42, Rich Alderson
 wrote:
> From: Liam Proven
> Sent: Thursday, December 10, 2015 8:33 AM
>
>> On 10 December 2015 at 16:54,  > wrote:
>>> Bad news is Gmail never deletes your emails, ever. They remove them from
>>> your view but keep it on their servers for profiling you.
>
>> *I* never delete my emails. I have a trail back to 1994. So?
>
> Piker.

Um. I don't know what that means. In UK English, "pikey" is a highly
offensive pejorative term for a person of Gypsy or Romany origin, or
these days, more generically, a person of very lower-class origins:
"trailer trash". I am guessing you didn't mean that. :-)

So, what, it means I'm very young? I'm fine with that, given I'm nearing 50. :-D


> My e-mail archives extend back to the 1970s, stored on 9-track mag tape
> (with slight interruptions for job changes--learned that lesson after a 
> while).
> Oh, ;-)

I had some too -- I never preserved my old DOS-based OLR/email program
Matrix. :-( I only have emails from when I switched to a Windows
client onwards. :-(

But in 1970, I was 3. I got my first email account at 15Y old, at
University. Didn't keep those, either. :-(


> On the subject line topic, I read this list via an Exchange/Outlook setup,
[...]
>  Simple.  Quick.

This must be some strange new usage of the words "simple" and "quick"
that I wasn't previously aware of.

[To paraphrase Douglas Adams.]

ObEditWar: I'm still trying to learn ErgoEmacs, but damn it is hard to love...


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Re: [cctalk] Re: TOP POSTING

2015-12-11 Thread Liam Proven
On 11 December 2015 at 15:33, Kevin Anderson
 wrote:
> I used to be an ardent bottom-poster like this list requires, but then I was 
> given one very good reason to switch that I believe is valid and persuasive 
> -- bottom posting (and even inline posting), I understand, is a very royal 
> pain in the arse for people who are visually disabled or challenged and 
> require the use of assistance software.


Yes, this is true. And for the benefit of the 1 blind close friend
with whom I email a lot, I learned, uncomfortably, to top-post.

Now I do it with everyone because people miss bottom-posted replies. :-(

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Re: TOP POSTING (was: RE: Best 200 buck I have ever spent!!! Deal of a lifetime!!!

2015-12-11 Thread Liam Proven
On 11 December 2015 at 19:47, Dave G4UGM  wrote:
>
> I have searched high and low for a decent e-mail client for Windows. All the
> ones I have tried suck in some way. Outlook will no longer let me post
> in-line on HTML mails. FreeBird won't look at calendars. Em is just a pain.

I don't use Windows unless someone pays me to suffer it.

However, I used to use and like Thunderbird and still do on Linux and Mac.

If you're willing to go proprietary -- I prefer not to -- I have heard
nothing but praise for The Bat! [sic]

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Re: TOP POSTING (was: RE: Best 200 buck I have ever spent!!! Deal of a lifetime!!!

2015-12-11 Thread Liam Proven
On 11 December 2015 at 23:48, Dave Wade  wrote:
> It does not make sense for the ply to come at the end. It's a total waste of
> time having to re-read all the unnecessary crap many times just to get to a
> one sentence reply.


You don't. I don't. Any decent MUA suppresses this. Again, if you see
this kind of behaviour, you have a broken email client.

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Re: TOP POSTING (was: RE: Best 200 buck I have ever spent!!! Deal of a lifetime!!!

2015-12-11 Thread Liam Proven
On 11 December 2015 at 23:57, Dave Wade  wrote:
> In order to get buttons that let you go to the next message


There's one on your keyboard. It's the big long rectangular one at the bottom.

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Re: [cctalk] Re: TOP POSTING

2015-12-12 Thread Liam Proven
On 12 December 2015 at 03:00, Rich Alderson
 wrote:
> From: Liam Proven
> Sent: Friday, December 11, 2015 10:54 AM
>
>> On 10 December 2015 at 20:42, Rich Alderson  
>> wrote:
>
>>> From: Liam Proven
>>> Sent: Thursday, December 10, 2015 8:33 AM
>
>>>> *I* never delete my emails. I have a trail back to 1994. So?
>
>>> Piker.
>
>> Um. I don't know what that means. In UK English, "pikey" is a highly
>> offensive pejorative term for a person of Gypsy or Romany origin, or
>> these days, more generically, a person of very lower-class origins:
>> "trailer trash". I am guessing you didn't mean that. :-)
>
>> So, what, it means I'm very young? I'm fine with that, given I'm nearing
>> 50. :-D
>
> Two cultures separated by a common language, and all that.

Indeed.

> According to the dictionaries of American English which I just consulted, it 
> is
> refers to small-time gamblers and others who make limited cash outlays.  Hmm.

Oh! OK. New one on me, and I thought I was reasonable at US idioms. I
have probably misheard or misparsed it before now, thought it
strangely out-of-context and moved on.

> In nearly 60 years of reading and watching movies and television program(me)s,
> the internalized definition I have for it is any person who does something in 
> a
> small way.  Usually used jokingly.  Thus, that your collected e-mail is two
> decades' less duration than mine leads to such a description.

That was my general impression, but I read it as age rather than
quantity. Close enough for government work.

> Certainly no offense intended.

Oh, none taken!

>>> On the subject line topic, I read this list via an Exchange/Outlook setup,
>> [...]
>>>  Simple.  Quick.
>
>> This must be some strange new usage of the words "simple" and "quick"
>> that I wasn't previously aware of.
>
> Well, given that I first learned EMACS (to give the TECO spelling) when you
> were all of 8 years old, the method I described *is* simple and quick, for me.

First editor. Hmm. I guess the Commodore full-screen BASIC code editor
on the PET series doesn't really count. But before I used it in any
anger, in Comp Sci class, I got a ZX Spectrum after playing with my
uncle's ZX 81. But the Spectrum barely had an editor, either, so I
mostly used Beta BASIC which was slightly (slightly) richer. (A used
Spectrum 48K cost my parents £80. No idea of exchange rates in
1982-1983: at a total guess ITRO US$ 140-150? That was the most
computer we could afford.)

First actual discrete editor which could load and save files was
probably EDT on a terminal on the University VAX in about 1985. I was
never a master but I could use it. Does that have enough early-editor
kudos? Probably not. :-(

> Isn't this the Old Geezers club? :-)

Well, quite! :-D

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Re: What did computers without screens do?

2015-12-16 Thread Liam Proven
On 14 December 2015 at 23:16, Ian S. King  wrote:
> And think of all the PDP-8s *still* buried in the control units of
> factories across the world.  The majority of these machines had no
> displays, not even teleprinters.  Some had custom controls wired in through
> stock or custom modules, and some had no more "UI" than the front panel
> ("set switches 2 and 3 to the 'on' position and press the 'run' key").
> Some didn't even have that - the stock 8/m was a turnkey system.  The
> reasoning was the same as that behind the microcontroller replacing the
> 555: complex behavior could be modeled in software rather than intricate
> analog elements, and it was easy to change things if you needed to (e.g.,
> if you changed out an instrument or effector.


Much the same reason that ARM cores are widely embedded today. AIUI
it, it is typical for a modern smartphone not merely to be based on a
multicore ARM CPU, but to contain something ITRO half a dozen other
ARM cores as well.

The main CPU may well be a big.LITTLE device -- e.g. 8 cores, 4
complex superscalar fast ones which take lots of electricity, and 4
small simple dumber ones *with the same instruction set* that use very
little but have a much lower IPC, so that the phone's OS can switch
between fast cores and power-frugal cores depending on load and
available battery power.

Then the Wifi chip contains an ARM core running part of the stack, and
so does the Bluetooth chip, and so does the NFC chip, and so does the
power-management chip, and so does the battery-monitoring chip, and so
does the USB controller... etc.

ARM cores can be *very* cheap to license, and it's easier to implement
stuff in software and run it on a tiny slow ARM core than build
hardware to do it.

By the same token, a colleague and friend of mine recently discovered
this gem & Tweeted it:

Chris Williams ‏@diodesign

TIL modern Intel chipsets have a hidden SPARC core (inside Intel's
Management Engine)
https://recon.cx/2014/slides/Recon%202014%20Skochinsky.pdf … (2014)

2:59 AM - 14 Dec 2015

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Re: Wood (was Re: IBM Mainframe terminal stuff)

2015-12-20 Thread Liam Proven
On 20 December 2015 at 04:30, Eric Smith  wrote:
> On Fri, Dec 18, 2015 at 8:27 PM, Fred Cisin  wrote:
>> Was it the Processor Technology Sol that had oak strips on the sides?
>
> Walnut.

Are you sure it wasn't rosewood?

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;-)


Re: Available: various PSION organizers, parts, and documentation from the mid-80s

2015-12-30 Thread Liam Proven
On 22 December 2015 at 05:03, steven stengel  wrote:
> I have boxes full of like-new PSION II organizers that I recently received 
> from a US distributed.
>
> These aren't rare or valuable, but they are new in the box and seemingly 
> never used.
>
> There are different models, with both 2 and 4 line displays, and different 
> amounts of memory.
>
>
> I also have memory modules, cables, and development documentation.
>
> There's also a PSION module duplicactor.
>
>
> If any of this interests anyone, let me know.

Wow!

Do you have any LZ64 or plain ol' LZ models?

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Re: Remember the old "Choose your own adventure books" By D & D! ! !

2015-12-30 Thread Liam Proven
On 21 December 2015 at 13:46, Mike  wrote:
> Has any of you took one of them old choose your own adventurer books and
> coded it into a text RPG in basic?


Blimey, yes, I have -- but in about 1983!

Even then, given my very meagre programming ability, I found it a dull
project. The simplistic way of doing it was a lot of GOTOs -- which is
basically what the book is -- and the proper way, with a database of
text and jumps, was tedious.

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Re: Data Recovery Services

2016-01-21 Thread Liam Proven
On 21 January 2016 at 12:50, Peter Faraday  wrote:
> Iv had some luck with drives where the head gets suck in the park position.
> If the drive spins up then shuts down it could be this. Bit of an
> agricultural fix but, take the lid off and give the head a slight nudge off
> the centre and get the lid back on quick.  I'm lead to believe this will
> only work with old drives dew to the tolerances in gap of head to platter.
> Big risk with this is crashing the head into the disk but iv used it a few
> time with 100% success. The drives were from early 90s


https://en.wikipedia.org/wiki/Stiction#Hard_disk_drives

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Re: What to Do with a PS/2?

2016-01-26 Thread Liam Proven
On 26 January 2016 at 06:24, Mark J. Blair  wrote:
>  So I think my next challenge is to figure out how to write out 1.8M XDF 
> floppies from the installation floppy images. Maybe I can find a utility to 
> write them from DOS? I have a 386 clone running MS-DOS 6.22 that I use for 
> running ImageDisk.

Should work. Even a DOS shell under Windows should, I think. They're
just 1.4MB disks with some extra sectors per track and tracks --
pushing the spec a little, not different hardware.

There are lots of disk images of OS/2 out there -- I used to have 1.0,
1.1, 1.2, 1.3, 2.0, 2.1, 3.0, 4.0 and 4.5 before I switched countries.

Try VetusWare:
http://vetusware.com/

Or OldDos Ru:
http://old-dos.ru/

However, sorry to say, but I think the 3.x / 4.x timeline will be too
new and require higher-spec hardware than a 486 with 12MB.

> I use a SCSI2SD in it for its hard drive, and I can pop the MicroSD card into 
> a reader on my Mac to get files on and off of it.

Mid-1990s era CDs were usually not bootable media, because the
firmware of the time couldn't do it. You tended to need to boot off a
floppy or 2 and a small setup program ran, then accessed the CD and
bootstrapped the main one off CD.

So don't expect the ISO to be bootable. Look on it for boot floppy
images, in /BOOTDISK/ or something like that.

Another option:

Boot it under DOS. Install MSCDEX and SCSI CD drivers -- and SMARTDRV.
Ensure that DOS can see and read the CD-ROM drive and that it's
cached. (Important -- CDs are very slow without caching.)

Copy the OS/2 files into a subdirectory of the DOS drive, or even into
a whole dedicated partition. (Older versions should be _substantially_
less than a CD-full.)

E.g.:

C: -- MS-DOS
D: -- OS/2 OS
E: -- installer files
F: -- free for data or swap file.

Then hack the config file on the boot CD to read the files from the hard disk.

I've been following your posts on Twitter about this, and enjoying it.
:-) Good work so far!

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Re: What to Do with a PS/2?

2016-01-27 Thread Liam Proven
On 26 January 2016 at 17:24, Mark J. Blair  wrote:
> That site looks a bit more challenging for an English-only speaker. :) Maybe 
> google translate can help me find my way around... yeah, much better now. 
> Thanks for the links!

Yes, it certainly is. I live in the Czech Republic, but I don't speak
Czech worth a damn -- but between that and rudimentary Cyrillic
reading ability, I can handle a little very basic Russian. That site's
still too much for me, but Google Chrome and Google Translate make it
navigable.

I don't normally recommend such things, but for decades-old releases
of an OS, Bittorrent can be your friend, too.

E.g.

https://thepiratebay.se/search/ibm%20os%202/0/99/300

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Re: What to Do with a PS/2?

2016-01-27 Thread Liam Proven
On 27 January 2016 at 07:18, Mark J. Blair  wrote:
> That XDFCOPY.EXE from the BonusPak ISO also has the same issue under MS-DOS 
> 6.22 on the PS/2. However, I got an OS/2 prompt from the first two floppies 
> of the OS/2 Warp Connect 3.0 set (which are regular 1.44M floppies), and then 
> I can CD to the DOS 6.22 HD and use that XDFCOPY.EXE to write the images. Yay!
>
> This is like a text adventure.


:-D

Yes, it is a bit, isn't it?

I actually bought OS/2 with my own money. I was always extremely
averse to doing that.

It was good for its time, but NT 3.x was technically superior, just
lacking in the UI department.

Win95 brought a better UI. NT 4 combined them and Windows 2000 brought
them together -- NT with Plug&play, power management etc.

I don't like to have to say it, but Windows was better than OS/2. And
Windows drove the rest of the industry onwards, to better it.

Which, now, with Ubuntu and RHEL and Mac OS X and iOS and Android, it
has, I reckon.

Today there is eComStation. I have review copies but I've never got it
100% working. I may need to dedicate a machine to it. :¬(

I miss OS/2, just as something genuinely /different/ in the greater
DOS family -- but really, NT was better in almost every way. Less
flexible by far, but also far more polished and stable. (E.g. I could
reliably kernel-trap an OS/2 machine with Fractint, one of my
favourite apps.)

But trying the modern version today brings the bad memories flooding
back, I'm afraid... Of multi-thousand-line CONFIG.SYS files, of
juggling drivers (PATA versus SATA today, for example), of patchy or
missing hardware support etc.

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Re: What to Do with a PS/2?

2016-01-28 Thread Liam Proven
On 27 January 2016 at 23:00, Geoffrey Oltmans  wrote:
> Hmmm... agree to disagree I guess. I generally found the Workplace shell in
> OS/2 a bit cumbersome and maddening compared to a lot of the GUI
> alternatives.


I have to agree.

Classic MacOS, particularly in MacOS 8 and 9, was perhaps the most
polished GUI I've ever used.

I also retain great fondness for Acorn's RISC OS desktop, with its
unusual and distinctive elegance:
* "maximise" only makes a window as big as it needs to be to show all
icons without scrolling
* drag-and-drop file saving -- no need for a directory browser in the dialog
* the first GUI with anti-aliasing & full-window moving & resizing (as
opposed to outlines)
* the first Icon Bar, before even the NeXT Dock, AFAIK

WPS was impressively powerful and had an impressive design, but the
actual implementation was a bit patchy and clunky. Sorry to have to
say it, but I found the Windows 9x Explorer more actual /use./ The
idea of the Start menu, implemented as a directory of directories, was
*inspired*. Shortcuts are clunky but they work -- if the
implementation had originated on NT and NTFS, it would have worked
better.

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Re: What to Do with a PS/2?

2016-01-28 Thread Liam Proven
On 27 January 2016 at 18:38, j...@cimmeri.com  wrote:
> Correct me if I'm remembering incorrectly (probably am), but wasn't NT a
> descendent of DEC VMS?

Oversimplifying freely:

DEC OS team lead Dave Cutler wanted to take VAX/VMS multi-platform.
DEC rejected this. So he allowed himself and his core team leads to be
headhunted by Microsoft.

Microsoft had recently fallen out with IBM over OS/2. OS/2 1.x was a
joint MS/IBM development. IBM kept the 80386 version, OS/2 2.x. MS got
the portable, CPU-independent version, OS/2 3.x, which was barely more
than a skeleton draft at that point.

MS hired Cutler and gave him the OS/2 3 project. Cutler & his team
retained some of it, but redid a lot, reusing ideas, concepts and even
filenames from VMS -- but no code, obviously.

The result was named "Windows NT".

Entertainingly, WNT is what you get if you shift the letters of 'VMS"
1 position forward in the alphabet.

Actually, though, it was developed on multiple CPU platforms, and one
was an in-house board design based around Intel's RISC chip, the i860
-- codenamed the N10. NT allegedly stood for "N Ten" before MS
marketing retconned it to "New Technology".

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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-01-28 Thread Liam Proven
On 28 January 2016 at 17:45, Jerome H. Fine  wrote:
> I run Windows 98SE on a 14 year old Pentium III.  I have
> replaced the power supply twice and all three hard disk drives.

I have answered this at length before.

Do not even *TRY* to run Win9x on modern hardware. Most things won't
work, there are no drivers, and it remains horribly inefficient.

The same codebase as Netscape 7.2 still exists. It is called Mozilla
Seamonkey. It is a more modern, updated version of the *same program*.
I have previously posted links to detailed instructions on how you
could migrate your entire profile, complete and intact, onto Seamonkey
(or Thunderbird, the stand-alone mail program) without needing to
change or reconfigure anything.

NT-based Windows is a lot more pleasant, more reliable and on a modern
multicore CPU much faster and more responsive than Win98.

I suspect most people would recommend Windows 7, which has
substantially the same look and feel as Win 98 and would require
minimal re-familiarisation.

As for Ersatz-11, there is a Win32 version, or you could run the
existing version under a VM in Virtualbox, a free hypervisor.

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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-01-28 Thread Liam Proven
On 28 January 2016 at 19:40, Chuck Guzis  wrote:
> The latest rig that I've run 98SE on is a  Intel P3 (440GX) with 2GB of
> memory.  I can do it, but it took the "unofficial final service pack" to
> reduce the amount of memory to something reasonable.

Exactly. I think it can't handle >512MB and it *definitely* can't do
multicore. It's pointless. It's buying a new car and putting
roller-skate wheels on it... because you're used to skates.

> Drivers, I think would be the stumbling block on modern hardware.

Definitely.

> I'd use
> VirtualBox in any case to deal with that issue.  I've certainly done with
> other old systems.

Well yes, but you need a host OS, and there is no reason not to _use_
that host OS and work on it.



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Re: What to Do with a PS/2?

2016-01-30 Thread Liam Proven
On 30 January 2016 at 06:18, Robert Ferguson  wrote:
> This is exactly correct, although marketing had nothing to do with the “NT” 
> retcon; we did it ourselves.
>
> - Rob
>
> ps: the i860 was not a pleasant thing. There was much rejoicing in the halls 
> the day we decided to drop it as a target architecture.


Wow! Thanks for that! My compliments on your work.

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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-02-04 Thread Liam Proven
On 31 January 2016 at 17:19, Noel Chiappa  wrote:
> BTW, are you indicating that Win 98SE _in general_ should only be used for
> retro-computing, or only Win 98SE _in the particular configration you
> described_ should only be used that way?


AFAICS:

At all. Ever.

It's a nearly 20y old piece of code which was notoriously unstable and
insecure when it was new.

Look, I built, installed, ran, maintained & supported MS-DOS-based PCs
for over 20y. I am not biased against DOS. But it's one of the
feeblest OSes ever to sell well.

DOS-based Windows was a bodge, a kludge, a temporary fix because OS/2
bombed and NT took a while to get ready. But NT is a better OS in
every important or material way.

I don't run MS OSes any more. I've moved on. Life's too short. I'm a
domain expert in them: this is why I no longer use them.

I'm typing under Mac OS X (on a 30y old keyboard) and my laptops run
Linux. All require vastly less maintenance and are more stable and
reliable -- as well as much cheaper -- than MS solutions.

But anyone with an ounce of technical knowledge should know better
than to run an old, unmaintained, out-of-support MS OS on any live
Internet-facing machine. Even if it exchanges media with
Internet-facing machines, *no*. Don't do it.

Move on.

Retro computing is a great hobby, even a way of life, but whereas a
decades-old copy of anything from Linux to Multics is as safe today as
it ever was, OSes of the Internet era *cannot* be used safely once
they're well out of date. Old viruses are still out there, waiting to
pounce.

It's enough work fixing up old machines without fighting old malware too.

Don't do it.

Nothing older than Win7 on any Windows PC that accesses the Internet.

This includes email. Yes, Jerome Fine, I'm talking to you, among others.

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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-02-04 Thread Liam Proven
On 4 February 2016 at 15:07, Mazzini Alessandro  wrote:
>
> I would disagree on this point. Unix and linux, in all its flavours, had 
> plenty of security fixes in the same timeframe mentioned, so I would not 
> consider them as safe as etc
>
> That they are less obvious to attack, in comparison, is another thing.


Oh yes, true, but you need to think about the roles.

Unix was traditionally mostly used as a /server./ The exploits and
malware are about getting remote access to a server, or at least
taking it offline or rendering it inaccessible.

Windows is primarily a client OS, used for surfing, email, chat,
downloading & running programs, etc.

/Totally/ different usage patterns.

And the vast success of OS X as a client -- now the most successful
closed-source UNIX® of all time, with more installed seats than all
the others ever put together -- compared with the small amount of
malware and very few successful exploits, shows the difference.


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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-02-04 Thread Liam Proven
On 4 February 2016 at 15:17, Dale H. Cook  wrote:
> It is unusable in one important way. This thread began as a discussion of 
> running serial port terminal emulators on a PC. At work I still use some 
> MS-DOS programs (admittedly not terminal emulators) over serial ports. For my 
> purposes (setting up a variety of vintage specialized hardware over RS-232) 
> NT-based operating systems are sometimes unusable because they present the 
> application program with a virtual serial port, and MS-DOS programs running 
> under those operating systems cannot read from or write to the UART 
> registers. Some of the setup programs for that vintage hardware were written 
> before the mid-1990s and access the UART registers, so I have to run those 
> under Win98 or earlier. I have a portable MS-DOS 3.3 machine that I use to 
> set up that vintage hardware.

A fair point, but then, one is not going to use MS-DOS to browse the
Web in 2016, right? Even the handful of ancient DOS web browsers can't
handle the modern Web.

There's a big difference between a "daily driver" and a specialist tool.


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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-02-04 Thread Liam Proven
On 4 February 2016 at 15:57, j...@cimmeri.com  wrote:
> Well, my 2 cents: I still use WinXP for all my primary, workhorse machines.
> Rarely have any issues with it.

I *really* hope you've applied the registry hack to get EposReady
updates for it, then!

http://www.theregister.co.uk/2014/05/26/german_tinkerer_gets_around_xpocalypse/

>Win7 is ok but annoyingly
> over-user-friendly.

Agreed. I don't like the ribbons, the new fake-folders in Explorer --
but it works, it's supported and updated.

>  Win 98, though... I don't see the point of using it
> any more.  It can't do anything that XP can't do far better.

Agreed, as far as Win32 apps go. DOS stuff, though, no. :(

To answer your offlist question, BTW: I am typing on an original Apple
Extended II keyboard attached to a 2011 Mac mini running OS X 10.10,
though an ADB-USB convertor.

My laptops run Ubuntu although I experiment regularly with all the
mainstream contenders. The workhorse is an old, cheap Thinkpad X200
with Ubuntu 14.04, the latest long-term support version. The
desktop-replacement, now sidelined by the Mac, has Ubuntu 15.10,
ArchLinux, CrunchBang and others.

Both the PCs can dual-boot into Win7, although I don't use it as much
as every *year* these days, so this always means a ton of updates
before I can do anything.

The Mac has a Win10 VM on it, just for playing with. I don't like it
much, to be honest. The last Windows version I really liked was
Windows 2000 -- since then, the bloat has piled on for little reward.
XP can be stripped down to nearly as lean as W2K, though. I sometimes
run the TinyXP 3rd party distro inside VMs.

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Re: Can Windows 98SE run on an Intel I7 with SATA hard drives?

2016-02-05 Thread Liam Proven
On 4 February 2016 at 19:35, Dale H. Cook  wrote:
> In my world it is impossible for any one computer to do everything that I 
> need to do with a computer, thus my five active PCs and many spares, plus old 
> stuff like my CP/M machines in my personal museum. I don't use an MS-DOS 
> machine to browse, and I don't use an NT-series-OS machine to run MS-DOS 
> programs that need UART register access that NT does not allow.


Then you will be fine.

But you are refusing to address the actual point here: people choosing
to use long-obsolete versions of Windows for everyday mainstream use,
which is suicidally risky.


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StackExchange retrocomputing forum

2016-02-05 Thread Liam Proven
This now has enough followers to move on to the next stage of the
approvals process -- gathering enough example questions...

http://area51.stackexchange.com/proposals/94441/

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Re: Virtualizing AIX 1.3 - WAS::::Re: AIX for IBM PS/2

2016-02-05 Thread Liam Proven
On 5 February 2016 at 18:07, Steven Hirsch  wrote:
> On Fri, 5 Feb 2016, Torfinn Ingolfsen wrote:
>
>> On Fri, Feb 5, 2016 at 2:57 PM, Mazzini Alessandro 
>> wrote:
>>>
>>> Last night I had no issues to navigate it. Didn't try today
>>
>>
>> the URL works fine here.
>
>
> Must have been authored against IE and happens to hit a Firefox bug.  It
> renders properly in Win7 IE.  I'm seeing an increasing number of such
> problems lately.

What are remarkable -- and *totally* wrong -- assumption to make.

Works fine on Google Chrome on Mac OS X, incidentally.

Google Sites are dynamically generated from a high-level markup the
user enters in a special editor, AIUI. The fact that it is a Google
product, a company that makes its own cross-platform browser and is a
rival of Microsoft, makes the contention that it's a
Microsoft-specific page ludicrous.

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Re: Mystery system

2016-02-05 Thread Liam Proven
On 5 February 2016 at 17:16, Torfinn Ingolfsen  wrote:
> (Norwegian "inn" is the same as English "in")
> :-)

Og "i" også, er det ikke sant?

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Re: Farewell and thanks!

2016-02-06 Thread Liam Proven
On 5 February 2016 at 23:54, Steven Hirsch  wrote:
> I've finally had my fill of the general grumpiness and bluntly worded
> interactions on this list.
>
> Over the years I have learned a lot and would like to particularly express
> my thanks to Tony Duell, Fred Cisin and Chuck Guzis for being unfailingly
> polite and very forthcoming with technical advice.

I apologise for the offence that I have given.

I am British, not American, and the tone of European converse is far
too abrupt and confrontational for an American-dominated forum. I was
rebuked by moderators twice that day alone for comments which I had
thought were reasonable and proportionate.

I was wrong. My comments were inappropriate. I regret them and
apologise for them.

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Re: Looking for a small fast VAX development machine

2016-02-21 Thread Liam Proven
On 20 February 2016 at 19:51, Greg Stark  wrote:
> I work on Postgres and we have always claimed to support VAX machines
> but have the caveat "Code support exists for M32R and VAX, but these
> architectures are not known to have been tested recently." in our
> documentation. Recently I started a project to get a member in our
> build farm building Postgres for VAX to fill this gap. So far I've
> been using simh but I would be really interested in getting a decently
> fast VAX that doesn't take too much space (or power) to run builds on.
>
> I am currently in Europe (Dublin) but will be visiting NYC, Florida,
> and Montreal in the upcoming months so this is a good chance for me to
> pick one up without paying exorbitant shipping if there's any around.


I have a VAXstation 4000 going spare. It's currently at Red Hat's
offices in Farnborough. More details on request (if I can find them!)

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Re: Looking for a small fast VAX development machine

2016-02-21 Thread Liam Proven
On 21 February 2016 at 16:27, Liam Proven  wrote:
> I have a VAXstation 4000 going spare. It's currently at Red Hat's
> offices in Farnborough. More details on request (if I can find them!)


It's a 4000/60, I'm afraid it's untested, and Farnborough is just
outside London England.

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Re: Looking for a small fast VAX development machine

2016-02-22 Thread Liam Proven
On 22 February 2016 at 15:39, Toby Thain  wrote:
> So has Minix 3 - last I checked, x86 & ARM only - what's the point of that.


Oh, come on. Be fair.

First, it's a student project without a huge amount of visibility in
the outside world.

Secondly, those are *the* two main computing platforms in the world
today, amounting to sales of *billions* of processors every year. I
suspect that every other general-purpose processor arch put together
amounts to a rounding error compared to ARM+x86.

It's not NetBSD. They're comparing it to NetBSD for what you could
call marketing purposes, but it's not a fork or derivative or anything
else. It's a whole new kernel to which they are porting the NetBSD
userland, as it's a good, clean, solid, FOSS offering.

If you want a simple low-end very portable Unix, there is still NetBSD itself.

Minix 3 is not just another FOSS Unix. It is trying to become
something very very different, something that has never been
successfully done in the FOSS world: a true microkernel Unix-like OS.

Not like the Xnu kernel of MacOS X: that is based on Mach 3.0, but it
is a large monolithic kernel containing a single huge in-kernel "Unix
server" derived from FreeBSD.

Unlike the GNU HURD, Minix 3 is relatively complete and functional --
and it's got there in under a decade.

It's not a new version of Minix 1 or 2 -- it's a totally new kernel.

The *only* OS in the world remotely comparable to Minix 3 is QNX,
which is not FOSS.

Minix 3 is built from a number of cooperating user-space processes --
servers -- which can die and be respawned while the OS is running.
Yes, including the filesystem, network stack etc. They even have tech
demos of this allowing for in-place complete version upgrades of the
running OS, *without reboots.*

Minix 3 is the single most technically impressive new Unix-like OS
that I have seen or heard of in the entire FOSS world in this century.

It deserves more respect than "what's the point of that".


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Re: Looking for a small fast VAX development machine

2016-02-22 Thread Liam Proven
On 21 February 2016 at 17:37, tony duell  wrote:
> Be careful. There are several Farnboroughs in England, and the one
> 'just outside London' is almost certainly not the one you mean. The
> 'just outside London' one for me is between Bromley and Green
> Street Green.
>
> I assume you mean the one in Hampshire, but...


I confess I didn't know that there was more than one Farnborough.
However, I did specify that the VAXstation was in Red Hat's UK HQ.

There's only one Red Hat and it only has one UK HQ. It is in the
business estate adjacent to Farnborough Airport in Hants.

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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-22 Thread Liam Proven
On 22 February 2016 at 16:54, Toby Thain  wrote:
> Portability was a fundamental free software tenet. It has technical benefits
> and it would make the project more relevant. The original Minix was far more
> portable.
>
> If it can't adapt to what comes after x86 and ARM in whatever markets(?) it
> is pursuing then it will be in danger of extinction. Surely if it is chasing
> things like QNX then that would be vital - it's a different market with more
> diversity of architectures.
>
> I don't think the current perceived size of x86/ARM markets will protect it
> as effectively as a diversity of targets would. Remember how ubiquitous
> SPARC, VAX, 68K were at one time; if you were stranded there, you don't
> exist now.


Again: *it's an experimental research and educational project*.

It is not a replacement for NetBSD. If you want lots of platforms,
then NetBSD still exists.

And it *is* portable and it runs on 2 totally dissimilar CPU
architectures, one CISC, one RISC.

It is an attempt to demonstrate that it is possible to build a true
microkernel Unix.

There are or have been compromised hybrid microkernel Unices -- DEC
OSF/1, Mac OS X, arguably MkLinux, and various other academic projects
that were never released or deployed publicly.

Minix 3 is different: it's true FOSS and the team are soliciting
community involvement.

But while it's still an incomplete project that is in development,
they're only targeting the 2 main arches which comprise about 99.9% of
the modern computer market.




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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-23 Thread Liam Proven
On 22 February 2016 at 17:36, Mazzini Alessandro  wrote:
> Not to intrude, but apple could also have gone with the serious power cpu,
> thus not "needing" to move to x86. As long as there's enough of a push, sw
> houses release versions for a different architecture... and power is hardly
> a dead end.


The problem is that the mainstream PC market is increasingly going to
portables. Laptops outsell desktops 2 times over now.

POWER chips are still going strong but they're big and run hot taking
lots of power. Apple needed a CPU line that could offer good notebook
chips as well as desktop chips, and POWER (and PowerPC) was only
addressing desktop devices.

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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-23 Thread Liam Proven
On 22 February 2016 at 17:41, Toby Thain  wrote:
> *Today's* "modern computer market."
>
> Are they doing _that_ or are they going after QNX? Or both? #confused

It's a decade-old project. It needs to run on cheap commodity kit.
Cheap commodity kit means x86 and ARM.

What is in any way confusing about that?

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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-24 Thread Liam Proven
On 23 February 2016 at 23:41, Maciej W. Rozycki  wrote:
>
>  Are you sure?  I've seen plenty of Freescale cores going pretty low as
> far as power consumption goes, like their whole e200 line to start from
> the very low end, but there's also e6500 for example if you want 64 bits
> and more processing power.  And then plenty of choice in between.


AFAIK, not remotely competitive with the Core 2 Duo line, which is
what Apple had in mind when it switched the Mac line's CPUs the second
time.

And whereas PowerPC Macs could run Classic MacOS in a VM, Macintels
can run Windows in a VM, which is far, far more useful. I personally
didn't like the move, but it was a smart one for the company.

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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-24 Thread Liam Proven
On 23 February 2016 at 20:15, Charles Anthony
 wrote:
>
> And let us not forget the wombat, beloved of the VMS RDBMS.
>
> "PLOT WOMBAT"


I remember discovering WOMBAT in the Help command for RDB, and sitting
there, increasingly bemused, exploring the various options within HELP
WOMBAT... wondering if this was some surreal joke being played on
me... :-)

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Re: Minix 3 vs portability - was Re: Looking for a small fast VAX development machine

2016-02-24 Thread Liam Proven
On 23 February 2016 at 16:46, Toby Thain  wrote:
> So where does QNX come in? Isn't that embedded rather than
> desktop/laptop/tablet?

It's also the basis of Blackberry 10, the OS on my Passport.

There is a desktop version -- I wrote about it a few years ago:

http://www.theregister.co.uk/2013/11/01/25_alternative_pc_operating_systems/?page=2

It's still a free download but the company took it closed-source again
(IIRC) and the freebie download version hasn't been updated.

It was nearly the basis of the new Amiga OS:

http://www.trollaxor.com/2005/06/how-qnx-failed-amiga.html

This is after they moved away from TAOS, another stunning OS:

https://news.ycombinator.com/item?id=9806607

Where does QNX come in WRT Minix 3?

Well, while everyone focuses on failed microkernel Unices, e.g. the
HURD, or impure microkernel Unices, like Mac OS X (and AFAIK DEC
OSF/1, AKA Tru64), there's been an actual shipping true-microkernel
Unix and Posix-compatible OS, capable of running a GUI desktop,
running embedded *and* on tablets and smartphones, SMP-capable,
enviably robust, on sale since *1982*.

QNX shows it can be done. All Minix 3 has to do is replicate it as
FOSS, as Linux replicated commercial monolithic Unix kernels as FOSS.

(And Haiku recreated BeOS, and AROS recreated AmigaOS, and so on. FOSS
is arguably better at re-implementing than innovating.)

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Re: cctalk Digest, Vol 20, Issue 29

2016-03-01 Thread Liam Proven
On 1 March 2016 at 14:27, Fred  wrote:
> The vast majority (not
> all, as that would be unfair, and I have met some younger than me folks
> that know their stuff) of youth today know how to USE the device, but not
> necessarily how to fix it if it breaks physically or logically


http://coding2learn.org/blog/2013/07/29/kids-cant-use-computers/

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Free Sinclair QL emulator

2016-03-02 Thread Liam Proven
While experimenting with Sinclair emulators on Ubuntu last night, I
made 2 discoveries which might interest folk here.

First, the author of perhaps the premium Sinclair QL emulator for
Windows, QPC, has made it unrestricted freeware. The news is from
mid-2014 but I'd missed it. Both QPC1 and QPC2 are now available free
of charge. I found this news via Dilwyn Jones' site, here:

http://www.dilwyn.me.uk/emu/

This is the direct download & info site for QPC:

http://www.kilgus.net/qpc/index.html

They come bundled with SMSQ/e, the final-generation QL OS, derived
from QDOS, complete with bootable hard disk images.

The second discovery was that QPC2 for Windows installs and runs
flawlessly under WINE on 64-bit Ubuntu. :-)


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Re: SeaMonkey - Re: Usenet News Servers

2016-03-07 Thread Liam Proven
On 6 March 2016 at 21:33, Dave Wade  wrote:
> SeaMonkey is essentially the same code as in Thunderbird/Firefox. Personally
> I prefer to keep browser and mail/news separate. Pretty sure it will import
> from the old Netscape Communicator.


It appears that Jerome has killfiled me, as I have answered this
question for him at considerable length several times. Perhaps someone
would like to forward my old messages to him.

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Re: Connecting a Cambridge Z88 to the Internet

2016-03-19 Thread Liam Proven
On 18 March 2016 at 15:27, Adrian Graham  wrote:
> I know exactly where my Z88 and power supply are, serial cable and modem
> not a problem. But! Dial-up services? I could RS232 onto a VAX...


Since I've been playing with my new Raspberry Pi 3 today, I was
thinking one of those might make a convenient host system. A USB <=>
RS-232 convertor is probably the easiest way.

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Re: Connecting a Cambridge Z88 to the Internet

2016-03-19 Thread Liam Proven
On 18 March 2016 at 15:09, Austin Pass  wrote:
>> On 18 Mar 2016, at 14:04, Liam Proven  wrote:
>>
>> I've been asked about doing this for an exhibition.
>>
>> From some cursory Googling, it seems that the Z88 has a terminal
>> emulator, and equipped with a suitable serial cable, you could just
>> run a cable to a host device with an Internet connection and have a
>> text-only terminal session fairly readily.
>>
>> Not much more than that, though.
>>
>
> I haven't, but have all the pre-requisites to giving it a go...

I'd be fascinated to hear of any gotchas if you were curious enough to
give it a go. My skills at things like making serial cables are very
minimal indeed.

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Connecting a Cambridge Z88 to the Internet

2016-03-19 Thread Liam Proven
I've been asked about doing this for an exhibition.

>From some cursory Googling, it seems that the Z88 has a terminal
emulator, and equipped with a suitable serial cable, you could just
run a cable to a host device with an Internet connection and have a
text-only terminal session fairly readily.

Not much more than that, though.

Has anyone on CC done this?

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WinWorld

2016-03-30 Thread Liam Proven
Quote:

«
WinWorld from the past, to the present, for the future

WinWorld is an online museum dedicated to the preservation and sharing
of abandonware and pre-release software, as well as any and all
knowledge associated with such works. We offer information, media and
downloads for a wide variety of computers and operating systems. Our
collection includes abandonware operating systems (like Windows 3.1 or
95), beta operating systems (like Chicago, Whistler, and Longhorn),
abandonware applications (like AfterDark, the epic screensaver
software we all grew up with) and more.

We offer all of our content free of charge to any interested party.
Whether you're doing looking to go down memory lane and re-visit
Windows 3.1, do some research on computing history, or repurpose an
old system that can't run the latest and greatest, WinWorld is here to
help by providing unrestricted access to our entire library at no
charge. We do not accept donations, just download and enjoy. WinWorld
provides you with large amounts of downloads and high quality
information that BetaArchive FTP and Vetusware can't compare with! Get
Windows Abandonware, Games, Macintosh old software and more from our
software library right here at WinWorld!

For news, support and discussion visit WinBoards. No registration is
required to post, so why not drop in and say hi?
»

Impressive assortment of OSes and apps for older PCs, Macs and broadly
related systems -- CP/M etc.

https://winworldpc.com/

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Re: Here's what happens when an 18 year old buys a mainframe...

2016-03-30 Thread Liam Proven
On 29 March 2016 at 21:34, geneb  wrote:
> https://www.youtube.com/watch?v=45X4VP8CGtk
>
> It's pretty entertaining. :)


I just Tweeted this. Great story, and a great presentation.

This is the link to the Share Songbook, BTW:

https://www.dropbox.com/s/ot79z78u3zd6vxs/SHARE%20Songbook.pdf?dl=0

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RC2014 homebrew computer

2016-03-30 Thread Liam Proven
I confess it is in no way a classic machine, but I thought that this
might be of interest to some people here. I had not heard of it before
until a chance retweet from a ZX Spectrum-related account today:

http://rc2014.co.uk/

«
RC2014 is a simple 8 bit Z80 based modular computer.  It is inspired
by the home built computers of the late 70s and computer revolution of
the early 80s.  It is not a clone of anything specific, but there are
ideas of the ZX81, UK101, S100 and Apple I in here.  Built mainly with
parts donated to Nottingham Hackspace and components salvaged from
random bits of equipment, it uses modern PCBs.

It runs on a backplane that hosts the individual modules.  This has
standard 0.1″ header sockets meaning new modules are simple and cheap
to design and can use Veroboard or even jumper wires to breadboard.
For resilience, most of the modules have been designed on to dedicated
PCBs.

In it’s typical basic form it has;

32k RAM,
8k ROM (running Microsoft BASIC),
3.7628Mhz Z80 processor
serial communication at 115200 baud.

Other modules include 8k x 8 bank switchable EPROM, SD card
bootloader, ZX Printer interface, Blinkenlights, LED dot matrix
display driver, LCD display driver
»

(Errors in the source material.)

More info and purchasing sources:
https://www.tindie.com/products/Semachthemonkey/rc2014-homebrew-z80-computer/

And a (for my money, insane, but) interesting peripheral:

https://hackaday.io/project/9567-5-graphics-card-for-homebrew-z80


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Re: WinWorld

2016-03-30 Thread Liam Proven
On 30 March 2016 at 18:58, Fred Cisin  wrote:
> They define "abandonware" as:
> "In order for a piece of software to be abandonware, it must, as a general
> guideline:
> Be over 7 years old.
> Be out of support by the manufacturer.
> Be mostly out of use by the general populace (abandoned)"
>
> So, if you are a software author, if you won't SUPPORT stuff that you did
> over 7 years ago, they believe that they have a right to distribute it?

No, not the same thing.

I think the more important question is/are:

Will the original author still *sell* it to you? Or, if it's a
discontinued version of a still-current product, will it make it
available to you in some way, possibly very cheaply or even free of
charge?

I think it is entirely reasonable to ask software vendors to make
obsolete, discontinued, unsupported versions of products, versions
which no longer run on current hardware or operating systems,
available FOC. For instance, Microsoft offers Word 5.5 for DOS as a
free download, as it is Y2K compliant, which no earlier versions were.

For decades, Apple offered MacOS 7.5.5 this way, for instance.

Actually, many vendors will not do this. If they don't, if they no
longer even possess the product in any form, then I do think it's fair
enough that others offer the service.

I own real, licensed copies of OS/2 2.0, 2.1, 3.0, 4.0 and 4.5.
However, due to the age and location of the media, and the fact that
my current laptop and desktop machines do not possess optical drives,
nor any place to fit optical drives, let alone floppy drives, it's
considerably more convenient to download these ancient OSes and run
them in VMs than it is to use my actual originals.

I am thus legally licensed to use them. I own them.

I am not licensed to run CCP/M or CDOS, although I worked with these
OSes in my first 2 jobs, back on the Isle of Man at the end of the
1980s and beginning of the 1990s. I am curious to see if I can get
them running today. I cannot legally obtain them; Digital Research no
longer exists. So, again, I think downloading an old one is legit.

Many companies would, I think, happily block distribution of old
versions, on the bases of protection of trade. I do not own Microsoft
Office 365, nor Office 2013, 2010 or 2007, as I hate the new UI. I do
not even like Office 2003 or XP as much as I liked older versions. I
do own Office 2000 and 1997, though.

So I run a downloaded copy of Word 97, under WINE. It understands the
same file formats, is tiny and very fast even on my 2008-era laptop,
as that machine is a decade newer than the kit it was designed for. I
don't want any newer version, thanks; IMHO the product has degenerated
since then.

I legally own it. I have licences. So I download it, because I can and
because Microsoft won't provide me with a copy of the version I
prefer. Microsoft would prefer me to buy a new copy and then, perhaps,
let me use my old media if I prefer. I don't want to. I own the
version I want. As it happens, though, it's in a storage unit 1000
miles away, with an inconvenient sea in the way.

So, I downloaded it.

Am I admitting to scandalous software piracy?

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Re: Wanted: stand for NeXT monitor

2015-06-10 Thread Liam Proven
On 29 May 2015 at 16:09, Chris Osborn  wrote:
> In fact, when I got OSX (aka OPENSTEP 5) running on a beige G3 tower for the 
> first time, I couldn’t understand why it was so absolutely unusable, since 
> the performance of OPENSTEP 4 on my NeXT was very snappy.


It *really* did not benefit from running on a RISC chip.

(E.g. http://arstechnica.com/civis/viewtopic.php?f=19&t=766974 --
sadly the original article has gone. Couldn't find a mirror.)

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Re: organizing a trip to Cuba

2015-06-25 Thread Liam Proven
On 24 June 2015 at 14:19, Johnny Billquist  wrote:
> Oh, I know. I'm from Sweden. We had a very big scandal where 5 containers
> with a VAX-11/782 and peripherials or something like that was found under
> strange circumstances. When the whole thing started to be investigated
> suddenly no one seemed to know or own those containers. The system was
> unclaimed for years, and it became a question of what to do with it, since
> no one seemed to claim it. I think it was eventually decided that since DEC
> made it, it was returned to them. The original shipping destination was of
> course somewhere in Soviet Union. This was in the early 80s... I'm sure
> someone can find the full story online somewhere.


It's mentioned in the Datasaab article on Wikipedia:

https://en.wikipedia.org/wiki/Datasaab

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Re: [SPAM key] - Re: How many use old browsers (e.g. =< Netscape 4 or IE 6) as their ONLY source of web content?

2015-07-09 Thread Liam Proven
On 3 July 2015 at 18:22, Jerome H. Fine  wrote:
> I understand that Netscape has been replaced by Mozilla.  HOWEVER,
> since CHROME seems to be the most widely used, would CHROME
> be able to support the retention of ALL of my old e-mails and posts
> from usenet?  Over the past 15 years, I probably have accumulated
> over 100,000 e-mails and posts in about 130 folders!  So I would like
> an easy upgrade path which supports being able to view and modify those
> old e-mails and usenet posts.  Can CHROME support that?


Chrome is just a web browser. It does not do email at all.

However, the program that was called Netscape 6.x & 7.x is alive and
well. It was the "Mozilla Internet Suite" -- the final Netscape
releases were Mozilla, rebadged. As Mozilla Inc now focuses on
Firefox, the old Internet Suite was forked and is now called
SeaMonkey.

http://www.seamonkey-project.org/

SeaMonkey will run fine on Windows 7.

What you may have to do is this:

[1] Use an old version of Thunderbird (Mozilla's standalone email
client) to import your Netscape 7 profile. Details here:

http://kb.mozillazine.org/Migrate_from_Mozilla_Suite_or_Netscape_to_Thunderbird

[2] Use a newer version of Thunderbird to import the profile from old
Thunderbird:

http://kb.mozillazine.org/Profile_migration_-_SeaMonkey

This should import your entire Netscape profile and continue to work just fine.

However, in the first instance, copy your whole Netscape 7.2 profile
from the Win98 machine to your unused Win7 machine. Reinstall Netscape
7.2 on the new machine and check it works.

You can download it here:
http://sillydog.org/narchive/full67.php

Then install SeaMonkey. It *should* notice and import your profile.

It is very important to install Netscape *before* SeaMonkey.


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Offered: Amiga 500/2000 BASIC manual, in German

2015-07-23 Thread Liam Proven
In honour of the 30th anniversary. Anyone want this handbuch? In good
condition, some staining on front cover but no dog-ears or creases.

Free for the cost of postage from the Czech Republic.


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Re: Saved DEC kit

2015-08-06 Thread Liam Proven
On 5 August 2015 at 20:25, Fred Cisin  wrote:
> "A pint is a pound, the world around." is no longer true.

Never was. You always did use weird pints. They were *our* bloody
silly measure, until we adopted something more sensible and easier to
use...

And *nobody* else uses pounds, Fahrenheit or MM-DD-YY. Not in about 2
generations, mostly. Often more.

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In Realtime: Saving 25,000 Manuals — August 15, 2015

2015-08-15 Thread Liam Proven
http://ascii.textfiles.com/archives/4683

Apologies if this is old news...

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Re: Booting an IBM MP 3000 S/390 System

2015-08-15 Thread Liam Proven
On 10 August 2015 at 22:39, Eric Christopherson
 wrote:
> He corrects that in the video itself :)


Indeed so. Just watched it through for a second time, actually. Great
fun and I too am jealous. :-D

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Re: More on manuals plus rescue

2015-08-19 Thread Liam Proven
On 20 August 2015 at 01:50, William Donzelli  wrote:
> It does not matter. You can not scan ashes.


Not yet. But the tech is getting closer... From automatically
reassembling the Stasi's shredded files:

http://www.bbc.com/news/magazine-19344978

http://archive.wired.com/politics/security/magazine/16-02/ff_stasi?currentPage=all

http://www.bstu.bund.de/EN/Archives/ReconstructionOfShreddedRecords/VirtualReconstruction/_node.html

... to reading burned 2000YO scrolls from Pompeii:

http://www.bbc.com/news/science-environment-30888767

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Re: Vintage Software Copyright

2015-08-21 Thread Liam Proven
On 22 August 2015 at 01:34, Fred Cisin  wrote:
> and maybe it should have come down ALL the way to MS-DOS price


Arguably -- and I'm aware it's stretching a point -- it did, in the
form of DR-DOS.


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Re: In Realtime: Saving 25,000 Manuals — August 15, 2015

2015-08-21 Thread Liam Proven
On 15 August 2015 at 13:03, Liam Proven  wrote:
> http://ascii.textfiles.com/archives/4683
>
> Apologies if this is old news...


Some pictures, from sun-rescue:

https://www.flickr.com/photos/textfiles/albums/72157657277241785/page1

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Re: punchcard svg file available

2015-09-10 Thread Liam Proven
On 10 September 2015 at 15:42, Fred Cisin  wrote:
> He also said that the colored pencils that I manually did graphs
> with were "COLOUR PENCILS".

Sounds legit to me. But then in the old world we still spell the
proper, old-fashioned-way. ;¬)


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ZX Spectrum disk interfaces

2015-09-15 Thread Liam Proven
A question born only of idle curiosity.

In thge 1980s, I bought an MGT +D disk interface for the Sinclair ZX Spectrum:

https://en.wikipedia.org/wiki/%2BD

In the end, I traded mine in for its upmarket cousin, the DISCiPLE:

https://en.wikipedia.org/wiki/DISCiPLE

(I link to WP as I originally wrote those articles, IIRC. :-) )

I have noticed that multiple people have now cloned the +D:

http://sintech-shop.co.uk/sinclair/-d-disk-interface-clone/a-6196/

http://www.rwapsoftware.co.uk/spectrum/spectrum_storage.html#plusd

But this post, from FB, claims that the Beta Disk interface can handle
high-density drives, giving 1.5MB per disk:

https://www.facebook.com/groups/speccy4ever/permalink/1237322356346334/

Given that HD floppies and drives are far more readily-available than
DD these days, how come most 8-bit interfaces can only handle DD? Is
it purely a data rate issue?


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Re: Is tape dead?

2015-09-15 Thread Liam Proven
On 15 September 2015 at 19:40, Fred Cisin  wrote:
> AVG and McAfee.   not necessarily the best stuff.
> Scan, while the malware was screwing stuff up in the background, did not
> find anything to complain about!


Until a few weeks ago I worked for AVG.

*Don't* run 2 resident shield apps at once. They conflict.


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Re: OT: x86 machine code [Was: Re: Self modifying code, lambda calculus - Re: ENIAC programming]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 13:06, Pontus Pihlgren  wrote:
> I've been told this more than a few times and read it in various places.
> It always make me wonder, could we not allow a mode in modern Intel
> processors that lets us bypass the x86 code emulation/translation and
> run "directly on the metal" (if there were such a thing).
>
> The purpose, of course, would be to gain performance. Certainly this
> would already have been done if there was any significant gain to be
> had?

I think not, because the "RISC core interpreting x86 instructions" is
a fairly gross over-simplification, as best as I have been able to
determine. Yes, all C21 x86 chips borrow lots of design principles
from RISC, but they are CISC chips executing CISC code -- just doing a
lot of fancy on-the-fly optimisations. There isn't an underlying
separate different microcode.

That has been done, though. It was the Transmeta Crusoe line of processors.

These were not directly x86-compatible at all: they had their own
instruction set, and during boot, loaded a translation layer on top
which executed x86 code via a sort of optimising compiler/interpreter
with JIT.

The purpose was to achieve very low power consumption, for portables.
The performance was not as good as native x86 even at the time --
although nearly -- but the processors used significantly less power.

They were not RISC, though: they were VLIW underneath.

I always thought it was *the* critical mistake of Transmeta not to at
least release the native instruction set. If they could also execute
Motorola 680x0 code, or PowerPC code, or Alpha code, or any other
discontinued (or effectively discontinued) instruction set, they would
still have a market today.

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Re: OT: x86 machine code [Was: Re: Self modifying code, lambda calculus - Re: ENIAC programming]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 13:35, Lars Brinkhoff  wrote:
> I believe the VIA C3 had an undocumented feature to allow executing the
> underlying RISC instructions.


[[Citation needed]]

I've never heard of anything like this. Are you perhaps thinking of
the Crusoe family chips?

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Re: Backups [was Re: Is tape dead?]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 16:55, Fred Cisin  wrote:
> CryptoLocker has been around for a year.  I don't think that McAfee nor AVG
> see it.  "Well, it's not a VIRUS, . . ."


Former AVG employee here. I quit; this is not an official statement.

CryptoLocker/CryptoWall/etc are *not* a single program. It's a whole
family of them. The programs are constantly modified so that the
anti-malware doesn't pick them up until it's too late. Antimalware
mostly still uses signature databases for identification, plus hooks
for suspicious activity. Cryptolocker is not infectious, so it doesn't
perform canonical suspicious activities. It opens lots of user data
files but so do indexing tools from Windows Search to Google Desktop
to Copernic.

However, Cryptolocker et al spread by fooling users into running
something they shouldn't run. I'm sorry, but you got suckered.

Me, I only use Windows if someone pays me to. Life is too short
otherwise. My desktop is a Mac (and before that was a Hackintosh); my
laptops run Ubuntu. Both are much *much* less work and I don't need to
run antimalware.

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Re: Backups [was Re: Is tape dead?]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 18:25, Dave G4UGM  wrote:
> Are you 100 % sure you don't need anti-malware...
>
> http://appleinsider.com/articles/15/08/05/apple-to-patch-actively-exploited-privilege-escalation-bug-in-os-x-10105---report
>
> from what I have seen the fix from Apple isn't a fix...
>
> http://www.theregister.co.uk/2015/07/22/os_x_root_hole/
>
> but to run SUID. Of course as you know from Facebook I am not a MAC expert, 
> but I do know that if a product has as many lines of code in it as OS X it 
> will have bugs and security holes...


Well, overall, yes.

It's a Unix box. If it was a web server or something, it would be
remotely exploitable, like any other Unix box.

But it's not. It has no outwardly-accessible services at all -- it's
behind a firewall and all it does is share a single folder with my
laptops. It doesn't even have ssh. It isn't a mail server, web server
or anything.

There are a few Trojans on OS X, but I think I am smart enough to avoid them.

There's no adware, no spyware (except what Apple might have built in),
no self-infecting viruses, nothing. I don't use most of Apple's apps
-- I don't use their browser, email client, chat client, or
productivity tools; I very occasionally use their media player and
their text editor, and that's about it. The Apple text editor isn't
the default, incidentally.



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Re: Backups [was Re: Is tape dead?]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 18:49, Fred Cisin  wrote:
> Absolutely.
> I now think that it was a "We're Adobe, click here to update Flash Player"
> or maybe "Java update"

I can see how one of those, done well, might fool most of us. I am not
one of those daredevil ascetics who runs Windows without anti-malware
but with no Flash, Java, etc. -- crap like that is the reason I run
Windows. I won't let MS clients connect to the Internet on my own
machines though -- no MS chat client, email, browser, music player,
video player, _anything_. All disabled or removed and replaced with
FOSS alternatives.

Sadly, this isn't really practical in business.

> But, I never got my winnings from the Elbonian Lottery.

It would have been all muddy anyway.

> It got everything in that computer, and started on the backup drive that was
> currently connected.  I now realize the importance of diconnecting the
> backup drive promptly.D'uh!

Yes, and thank you for the salutory lesson!

> But, it got bogged down in the first directory of the backup drive, and
> hadn't moved on to the other directories by the time it started extortion of
> the computer!  Tht directory was full of zillions of files, mostly photos
> copied from my friend's computer after he died.  He saved me from beyond the
> grave!   And, I still have his machine to make another copy of those.

Small blessings, I guess.

> Hmmm.  30 years ago, I stepped on the DIRectory of a floppy, and created a
> subdirectory that had a subdirectory that was its parent directory.  It
> actually worked well enough to prevent CHKDSK /V from being able to walk the
> DIRectory tree (kept trying to follow subdirectories back onto themselves).
> I wonder if that would work on this?  (until they notice, and change their
> sequence).  Also created files named "*.*" and ".???", multiple
> entries for same file in DIRectory, etc.

Nce...


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Re: Backups [was Re: Is tape dead?]

2015-09-18 Thread Liam Proven
On 18 September 2015 at 19:10, Dave G4UGM  wrote:
> But you do use a browser and all of those have holes...

True, but they do on any OS. There are far fewer 'sploits for OS X or
for Linux than for Windows (e.g. the famed WMF decoder one) -- andf by
avoiding IE or anything that embeds or wraps IE, that reduces the
chances still further.


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Re: OT: x86 machine code

2015-09-18 Thread Liam Proven
On 18 September 2015 at 20:00, Lars Brinkhoff  wrote:
> No, it was not Crusoe.  I'm fairly sure it was VIA, and less sure it was
> the C3.  Maybe Cyrix?  Whatever was current technology around 2002 I
> guess.
>
> I remember reading the rumour that the RISC instruction set was
> accessible, and I contacted VIA about this.  I got an email from someone
> I gathered was a company executive, and I signed an NDA to get the
> information.  I got a paper document in the mail.
>
> Unfortunately, a few years ago I cleaned out the room where the document
> was stored.  As I didn't think it was important at the time, I threw it
> away.
>
> I would love to provide a proper citation, but I searched the net and
> couldn't find anything to back this up.

Remarkable! OK then. As a journo, and one who doesn't generally sign
NDAs, I would not have met this.


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Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-19 Thread Liam Proven
On 19 September 2015 at 17:02, Rod Smallwood
 wrote:
> Its a while back but I seem to remember in BASIC you replaced a set of line
> numbers with another of the same range but different code.

Blimey, I've never seen that.

I do remember that ZX BASIC had a cool-but-dangerous feature: you
could get it to evaluate an arbitrary string as if it were an
expression. This meant you could do cool things in BASIC programs --
enter formulae such as "2*4+3.5" when the program wanted a numeric
value, for instance.

Then a friend showed me that you could also access the program's own
variables. If the program had variables called a, b & c, you could
also enter "a*b+c" and it would use the values.

Which meant that if it /didn't/ have such variables, the program would
crash out with an "unknown variable name" error... a sort of early
"exploit".



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Re: eval() considered dodgy - Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-20 Thread Liam Proven
On 19 September 2015 at 19:45, Toby Thain  wrote:
> Thank God nobody would build such a thing into a modern language, especially
> not the one that runs in almost every browser...

Well, quite. :-)

Or rather, :-(


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Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-20 Thread Liam Proven
On 19 September 2015 at 19:53, tony duell  wrote:
> A lot of disk-based BASICs had a statement that would merge a program from
> disk in this way. Sometimes the program had to be saved in ASCII, not 
> tokenised,
> the BASIC interpretter then essentially read the file as if you were typing 
> it on the
> keyboard. So program lines would indeed replace those with the same line 
> number.

OK, that I've seen, yes. Even, very carefully, used it.

But the examples I've seen do not behave as you describe. Note, I am
not saying it's impossible or never happens, merely that it does not
match the behaviour I've seen.

In ever BASIC interpreter I've ever used, the LOAD command loads a new
program in from $MEDIUM. This implicitly gets rid of the program
previously in memory. It is not the same as a NEW command, which
usually also resets all variables etc.

If you want to keep the existing program in memory *and* load
additional lines from storage, there was a different command: MERGE.

But in everything from ZX BASIC to BBC BASIC to GWBASIC, loading a
program erases all lines of code in interpreter RAM and replaces the
whole program with the one loaded from disk, but leaves variables etc.
intact.

This means that, in effect, the program modules being loaded are
overlays: you can pass state (a whole set of initialised variables and
their values) from one module of code to another. I maintained a large
MS-DOS payroll program written this way: it consisted of 18-30+
sub-64kB modules of code. (How many depended on the client's
requirements.) The first module initialised all the variables in
memory and drew a menu. The menu LOADed the other modules, many of
which LOADed each other to handle the task. All the variables
remaining in place in RAM, all effectively globals, as GW-BASIC didn't
offer local variables, named procedures etc.

The reason was that you couldn't have a program of >64kB on GW-BASIC.
The original developer taught me to think of each chunk as a
procedure, and all the variables as globals. The code was extensively
commented to explain what variables it expected to find in place, what
they held, which ones it would modify etc.

Once I understood it, I found it really elegant.

I don't think I've *ever* seen a program that MERGEd in code during
execution, though. That sounds terrifying!


> One of the extension ROMs for HPL on the HP9825 (a BASIC-like language) had
> a command to store a string as a program line. It could be used within a 
> program,
> thus leading to an official way to have self-modifying code.

Nifty!


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Re: Backups [was Re: Is tape dead?]

2015-09-20 Thread Liam Proven
On 20 September 2015 at 05:58, John Foust  wrote:
> Someone's demonstrated you can hide in the firmware of hard drives.

And access the hypervisor layer of an OS in various ways from programs
executing inside a VM.

So, for instance, much malware self-inactivates if it detects that
it's running inside a guest instance, so that anti-malware
investigators cannot examine its behaviour.

What is now being investigated (doubtless by both sides) is malware
that can inject code into the hypervisor from within a guest. Once
you've reached x86-64 Ring -1, then you're a god, you can do anything
you like to any VM and no anti-malware in the VMs can prevent it.

There is also research into using the increasingly industry-standard
remote-management features in core chipsets to hide or distribute
malware, again out of reach of any OS-level task.

And there is the very controversial claim of malware that could
transmit itself from machine to machine using speakers and microphone.

It's a jungle out there, with all that that implies about parasitism,
zombieism, concealment and stealth and creepy disgusting infections
that hide for a lifetime then apparently explode out of nowhere.


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Re: Self modifying code, lambda calculus - Re: ENIAC programming

2015-09-20 Thread Liam Proven
On 20 September 2015 at 13:54, Peter Coghlan  wrote:
> BBC BASIC (when running on a BBC Micro at least) does clear (most) variables
> when a program is loaded.  Most variables are stored in memory above the
> program and if a small program was replaced by a larger program, some could 
> get
> overwritten.  Acorn may have decided that it was too much trouble to figure 
> out
> whether or which variables might be affected and that it was easier to be safe
> by clearing them every time a program is loaded.
>
> BBC BASIC (on a BBC Micro) doesn't have a MERGE command or equivelant either
> but it is possible to merge programs together using slight hackery.  However,
> once BASIC is made aware of the change, it will clear the variables so a
> certain level of deviousness is required to do stuff like overlays.


Hmmm. I'm now wondering if the command was CHAIN not LOAD...



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Acquiring a bunch of Lisp Machines

2015-09-25 Thread Liam Proven
Just stumbled across this. I don't know what more to the story there is.

http://kremlin.enterprises/post/129364443055/your-code-is-so-bad-we-had-to-make-etclocal

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