Date   : Thu, 29 Oct 2020 10:25:07 +0000
From   : pb@... (Phil Blundell)
Subject: Econet via Ethernet & PC

The 68B54 bus interface isn't a very good fit for a PIC. I had a go at doing
it with an AVR a few years ago and it was a pain.

I keep meaning to dust off the latest iteration of my Econet interface which
uses a little FPGA to replace the ADLC. Any assistance with that project
welcome ?

p.


On 29 October 2020 10:09:16 GMT, Chris Johns <chris@...> wrote:
>I would imagine a PIC could interface to the master type Econet and 
>provide a USB interface, or even direct to Ethernet.
>
>If a Pi could cope with the interrupt response needed (the ADLC has I 
>think 2 bytes of buffering so you need to be quick, that said a Pi is 
>what 1.3GHz thesedays and the BBC was 2Mhz) you could probably build
>one 
>into a fileserver with an Econet 'HAT'
>
>Cheers
>
>Chirs
>
>On 29/10/2020 08:48, Alan Williams wrote:
>>
>> It?s hard without an Econet interface for your PC* ?or an 
>> ?Econet<->AUN bridge in dedicated hardware.
>>
>> A USB Econet interface would be an idea, some are rumoured.
>>
>> I have not tested this Arduino Filestore idea.? (I want to get my
>real 
>> Filestores running again, & I think a PI might be a better platform 
>> for this kind of thing)
>>
>> https://stardot.org.uk/forums/viewtopic.php?t=13940
>>
>> I believe you can run AUND on Linux to serve NetFS Archimedes clients
>
>> but that code doesn?t include support ?for 6502 clients since 
>> connecting them isn?t practical.
>>
>> *Even if you have an Ecolink card its hard to find an ISA slot these 
>> days and it never did run a fileserver on dos 3.21.
>>
>> Alan
>>
>> *From: *<bbc-micro-bounces+ajw=bigblue.net.au@...> on 
>> behalf of <lug@...>
>> *Date: *Thursday, 29 October 2020 at 7:27 pm
>> *To: *'BBC Micro Mailing List' <bbc-micro@...>
>> *Subject: *[BBC-Micro] Econet via Ethernet & PC
>>
>> Hi all
>>
>> There?s quite a bit of modern stuff around for the BBC (Datacentre, 
>> SPI, RPi0 etc etc) but has anyone done anything clever with Econet???
>
>> About 10 years ago, I put together a sort of Econet with a clock box,
>
>> a BBC Model B (with Econet), an A5000 (with Ethernet and Econet) and 
>> lashed together a means by which I could create an image with ADFS 
>> Explorer on the PC and use the A5000 as a sort of bridge to move the 
>> stuff to the Model B.
>>
>> The trouble was, work though it did, it was a bit clunky (and didn?t 
>> handle the execution address for each file brilliantly). Is there a 
>> way, for example, of having a Beeb look to a PC for its Station
>254??? 
>> Presumably the PC would have to be running BeebEm or something
>similar.
>>
>> Cheers
>>
>> R
>>
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