Re: BASIC (& friends) for System machines...

On Oct 31, 4:49 am, Jules <julesrichardso...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
On Tue, 30 Oct 2007 00:35:56 -0700, Alan Williams wrote:
On Oct 30, 12:06 am, j...@xxxxxxxxxxxxxxxxxx wrote:
Jules wrote:
noticed that while the issue 2 board uses a 68B54 ADLC, the issue 1 is a
'just' a 6854 - I don't know if the 'B' variant introduced significant
[snip]
i.e. one's designed for the 6502 1MHz CPU board of the earlier System
machines, whilst the other's for the 6502A 2MHz board which was put into

The 6854 can be accessed by the CPU at up to 1MHz. The 68B54 can be
accessed
at up to 2MHz. (The 68A54 is a 1.5MHz part.)

--
JGH

The early system econet card had the econet clock & terminator circuit
built in. The later ones don't seem to. Unfortunately I don't have
an early one any more.

Hmm, I think I'll hang on to both the flavours I have (I do have a System
One I could hang it off for giggles, I suppose :-)

I have recently had to find my 5 1/4 disk box for some other things,
there are some system disk in there. The question is what does one do
with them?

I'd very much like to get copies of those somehow...

I do have the hardware here to do it, but unfortunately 'here' varies a
bit :-) I expect it'll be about 6 months until I'm next in a position to
fire that hardware up...

I am not sure the pc can read single density, it's a little
Compaq Deskpro of the late P2 age.

I've found far more boards will read FM than will write it - that's
still not many, but you might get lucky.

I have a number of disks of historical interest including much that is
just documentation on early econet. The name Joe Dun seems to be on one
disk.

Interesting. I've got a few odds and ends like that - I only recently
finally managed to archive off all my Acorn floppies / winchesters, so at
least the data's pretty safe now (even if it'll be a while before I can
start digging in to it)

I would probably have all the fileserver software and utilities that
shipped in Australia to use the System 3 as an econet server aka early
level 2. I am not sure that this was as popular at the time in the UK.

I've seen a couple such Systems on the UK side - Cambridge uni seem to
have had them, with Atoms as the network clients.

Which is to say I don't think Acorn actually knew exactly what was going
on here at all. There is a good chance this will include sbasic and
atbasic. (BBC basic 1 for systems, and Atom basic for systems)

Yay! :-)

If you do find a way of archiving them, give me a shout...

cheers

Jules- Hide quoted text -

- Show quoted text -

Ok I have found the disc you want.

I hung a 5.25 drive of a RISC PC to make the image. (well the fourth
one worked anyway)

I also copied the files to dfs on 3.5" media with a BBC, as the DFS
disc reader I have on RISC OS was not happy with the system dos discs.

Unfortunately the space qualifiers messed up the RISC OS DFS disk
reader too so I couldn't extract the files into a zip file.

I used DiskToImg from here: http://mdfs.net/Apps/DiskTools/ to make
the image.

I put it here for now
http://marketing.linkme.com.au/ajw/s4fsboot,b22

Let me know how it goes. I work for linkme.com.au and I am awilliams
at that domain.

The machine this disc was for has 48K.

Alan

.

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