Date   : Sat, 13 Sep 2008 12:59:23 +0100
From   : mfirth@... (Michael Firth)
Subject: Question about 1770 DFS interface testing it on a B

----- Original Message ----- 
From: "Michael McConnell" <soruk@...>
To: <bbc-micro@...>
Sent: Saturday, September 13, 2008 12:47 AM
Subject: Re: [BBC-Micro] Question about 1770 DFS interface testing it on a B


> On Fri, 12 Sep 2008, Michael Firth wrote:
>
>> I do have a copy of something that someone had created called "Utils 
>> ROM".
>>
>> I think it is a copy of the 1770 DFS, but with all the disc related stuff
>> disabled.
>>
>> As a result it will load on its own and give access to the UTILS and SRAM
>> commands.
>
> It's been a long while, but I recall !65Host for the Arc had a similar ROM
> image as part of its setup. I've never tried to load the thing into a real
> BBC though.
>
Thinking about it, that may well have been where my ROM came from. It 
certainly has unusual load/exec addresses, which I think is a sign of it 
having been ex Archimedes.

It seems to work in a NFS only BBC B, at least it does in BeebEm

>> ----- Original Message -----
>> From: "Mark Haysman" <jumbos.bazzar@...>
>> To: <bbc-micro@...>
>> Sent: Friday, September 12, 2008 11:14 PM
>> Subject: Re: [BBC-Micro] Question about 1770 DFS interface testing it on 
>> a B
>>
>>
>>> *DUMP isn't in the OS1.20, as on a standard machine it reports Bad
>>> Command.
>>> It may be in the UTILS section of the 1770 DFS, but if the DFS doesn't
>>> initialise, then you just get the same Bad Command. Just like SRAM, if
>>> there's no 1770 chip and the DFS doesn't fire up, then the SRAM commands
>>> are
>>> not available - a right PIA.
>>>
>>> Mark.
>>>
>>> ----- Original Message -----
>>> From: "Jonathan Graham Harston" <jgh@...>
>>> To: <bbc-micro@...>
>>> Sent: Friday, September 12, 2008 10:02 PM
>>> Subject: Re: [BBC-Micro] Question about 1770 DFS interface testing it on 
>>> a
>>> B
>>>
>>>
>>>> Sprow wrote:
>>>>> just some writeable media (eg. RAM disc). Now on a BBC B things are
>>>>> compounded by the *DUMP command being in the DFS, so you'd still have 
>>>>> to
>>>>
>>>> *DUMP isn't a DFS command, it's a utility command and is available
>>>> whether DFS (or NFS) is enabled or not.
>>>>
>>>> --
>>>> J.G.Harston - jgh@... - mdfs.net/User/JGH
>>>> 05:10:36, 18-Nov-2008 - RISC OS time rolls over to &5000000000
>>>>
>>>> _______________________________________________
>>>> bbc-micro mailing list
>>>> bbc-micro@...
>>>> http://lists.cloud9.co.uk/mailman/listinfo/bbc-micro
>>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> bbc-micro mailing list
>>> bbc-micro@...
>>> http://lists.cloud9.co.uk/mailman/listinfo/bbc-micro
>>>
>>
>>
>>
>> _______________________________________________
>> bbc-micro mailing list
>> bbc-micro@...
>> http://lists.cloud9.co.uk/mailman/listinfo/bbc-micro
>>
>
> -- Michael "Soruk" McConnell
>    Eridani Star System
>
>    MailStripper - http://www.MailStripper.eu/ - SMTP spam filter
>
> _______________________________________________
> bbc-micro mailing list
> bbc-micro@...
> http://lists.cloud9.co.uk/mailman/listinfo/bbc-micro
>