Deciphering an odd floppy disk format.

Mattis Lind mattislind at gmail.com
Sat Feb 13 13:15:57 CST 2021


Den lör 13 feb. 2021 kl 19:45 skrev Chuck Guzis via cctalk <
cctalk at classiccmp.org>:

> On 2/13/21 9:18 AM, Mattis Lind via cctalk wrote:
>
>
> > Link contains histogram files and a raw track flux file.
> >
> >
> https://drive.google.com/drive/folders/1URC5i8AsRyP08d_ZhWRovbDp2TMgdj4B?usp=sharing
> >
> A quick glance shows the typical t 1.5t and 2t MFM pattern, so I'd start
> with that.


I'll try that.



> As to the 8x/5xH intervals, they appear to be part of the
> preamble to address marks.
>
>
Can you please elaborate!  What do you mean by 8x/5xH intervals?

You think that these fluxes are part of some address mark or data mark,
right?



> --Chuck
>


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