Free: Stack of Victor or Sirius floppy disks

[Tony Duell]

> 
> On 02/03/11 03:36, Fred Cisin wrote:
> > Send one to Philip.   But, don't tell him what's special about the format
> > until he ferrets it out!     :-)
> 
> If memory serves, it's a GCR based format recorded in 9-zone Z-CLV. 
> Constant bit density mode, in other words.
> 
> Of course, the bloody technical reference manual is missing almost all 
> the relevant figures, and provides no details about the GCR coding 
> scheme other than the sync pattern (lots an' lots o' 1s -- how predictable).

I can tell you the controller PCB schematic is almost identical to the 
relevant bits of the Commodore 8050 (not suprising, given the designer). 
I have no idea if the contents of the encoder/decoder ROM are the same 
though, and that you would need to know.

-tony