Re: D9090 back to life !

I had assumed a D93, D96, and D99 could theoretically exist.

For the 8060, perhaps D86 could be used?  Viz 8050, 8250 => D80, D82.




On Mon, Jan 27, 2014 at 6:21 AM, Steve Gray <sjgray@rogers.com> wrote:

> Perhaps D96 and D99 ;-)
>
> Steve
>
>
> > On Jan 27, 2014, at 6:37 AM, "A. Fachat" <afachat@gmx.de> wrote:
> >
> > The Track number starts at zero? But there can't be any data blocks
> there as track 0 says "end of file block"....
> >
> > Btw the file extension d90 should be free for use, but d60 might be used
> for the (even more scarce?) 8060 8" floppy drives...
> >
> > André
> >
> >
> > Am 27. Januar 2014 12:11:17 schrieb Rob Clarke <
> crock@clarke-family.org.uk>:
> >
> >>
> >> >> I'd now like to extract a complete image of the drive to see if
> there is any deleted files that may be of interest. I was going to use the
> WMUTIL.PRG basic/ml program written by Andre Fachet and Bo Zimmerman to
> pull an image but does the concept of a .D90 image exist?
> >> > Why not, it should just be an image in ascending order of
> >> > (track,sector), 256 bytes per sector.
> >> > The cbmlink software by me includes a disk image reader, which
> >> > basically increments the sector and track counters until an illegal
> >> > track or sector is reported, and then steps to sector 0 on the next
> >> > track, or ends copying when the track number becomes invalid.
> >> > I hope that the WMUTIL.PRG does the same.
> >>
> >> Yes, it does (only I spelt it wrong, it's EMUTIL). The only gotcha is
> that the track numbers run from 0 on the D9060/D9090 and 1 on the floppy
> drives.
> >>
> >> > It should not be too hard to modify cbmconvert to support D9090
> >> > images.  There is only a single directory, right? And the maximum file
> >> > system size is 255 tracks, 256 sectors per track, 256 bytes per
> >> > sector, right?  That would be a bit under 16 megabytes (16 MiB - 64
> >> > KiB).
> >> > I could actually be interested to do this; it has been a while since I
> >> > updated the tool. :)
> >>
> >> Sounds olike an excellent plan! I'm not yet familiar with the detailed
> internals for the HD's but yes, I think so. As I said above the tracks go
> from 0-152 and the sector numbers run from 0-127 on the D9060 and 0-195 on
> the D9090.
> >>
> >> Rob
> >>
> >>       Message was sent through the cbm-hackers mailing list
> >
> >
> >
> >      Message was sent through the cbm-hackers mailing list
>
>        Message was sent through the cbm-hackers mailing list
>


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