Date   : Tue, 18 Jul 2006 13:19:50 +0000
From   : Jules Richardson <julesrichardsonuk@...>
Subject: Re: Getting .SSD disk images onto a beeb...

Ian Wolstenholme wrote:
> I don't think the Xfer & cable is going to be any use, I think you have to
> write disc images directly to the disc using something like Omniflop or
FDC, the
> cable link is only for transferring files which can then be saved at the BBC
> end onto a formatted BBC disc.

I could have sworn I'd used it before to read a disk image from a beeb, 
though. I need to set a beeb up soonish as a test machine anyway, so I'll have 
a look.

> As far as I know (others will be able to say for certain), the SSD and IMG
> format is a straight sector-by-sector copy of a DFS disc from start to finish,
> ie. beginning at track 0 sector 0 up to track 79 sector 9, and a DSD is
> the same except it has a second disc image at the end of the first as the
> "other side" of the DFS disc.

Ahh, makes life easier if that's true - I just expected it to do something 
'clever' like compress blank sectors (or sectors that had all the same data). 
If it's just a raw format that makes things easier.

cheers

Jules