[sebhc] Re-creating actual floppies from archive

Joe Smith bandit1921 at cox.net
Tue Mar 14 16:36:03 CST 2006


All those images and no way to turn them back into disks? That is 
basically what I want to know,I don't really see anything that lets 
you do that.Nor is it very clear about what and how.
At 02:24 PM 3/14/2006 -0800, you wrote:
>Hi Joe
>  If the it is an ascii text file that
>you are trying to recover, you can write a simple
>program, in the language of your choice, to reorder
>the sectors. Once you know the order, extracting
>the file should be relatively easy. I'm assuming
>it is a text file that you are trying to look at.
>  You just need to know the sector size and the number
>of sectors per track. Buffer a track at a time,
>un-scramble the sectors and write the buffer to
>a file. Once you locate the file you want, just
>read it out.
>  I dn't know of any specifc utility for this. You
>should write your own. If it is good, put it on
>the site.
>Dwight
>
>
> >From: "Joe Smith" <bandit1921 at cox.net>
> >
> >Even if I could write it out to a 1.44 disk would be good, that is
> >what I need to know, what utility does that?
> >At 02:07 PM 3/14/2006 -0800, you wrote:
> >>Hi
> >>  Most early CP/M used interleaving of the sectors.
> >>Once it is un-zipped, it is still just a raw image.
> >>If you wanted to look at specific files, you'd need
> >>to figure the inteleaving.
> >>Dwight
> >>
> >> >From: "Joe Smith" <bandit1921 at cox.net>
> >> >
> >> >It is in the archive under cpm software
> >> >At 03:25 PM 3/14/2006 -0500, you wrote:
> >> >> > Wasn't talking about zip files Dave,the little file that is
> >> >> inside of the zip.
> >> >> > Example:PIE 1.5b  Distribution Disk, that is what is in the PIE.zip,
> >> >> > how does one read that file into something understandable?
> >> >> > Kind of like uuencode/decode..
> >> >>
> >> >>I don't recognize "PIE" - is this somthing you downloaded from my
> >> >>site? If so, it's something that I've forgotten about (and not something
> >> >>I created) - give me a reminder as to where (exactly) is is?
> >> >>
> >> >>Dave
> >> >>
> >> >>--
> >> >>dave06a (at)    Dave Dunfield
> >> >>dunfield (dot)  Firmware development services & tools: www.dunfield.com
> >> >>com             Collector of vintage computing equipment:
> >> >>                 http://www.parse.com/~ddunfield/museum/index.html
> >> >>
> >> >>--
> >> >>Delivered by the SEBHC Mailing List
> >> >
> >> >Joe Smith
> >> >joebandit
> >> >jtsdadinaz
> >> >Conbuilder debugger /Programmer
> >> >
> >> >--
> >> >Delivered by the SEBHC Mailing List
> >>
> >>
> >>--
> >>Delivered by the SEBHC Mailing List
> >
> >Joe Smith
> >joebandit
> >jtsdadinaz
> >Conbuilder debugger /Programmer
> >
> >--
> >Delivered by the SEBHC Mailing List
>
>
>--
>Delivered by the SEBHC Mailing List

Joe Smith
joebandit
jtsdadinaz
Conbuilder debugger /Programmer

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