[sebhc] Re-creating actual floppies from archive

Joe Smith bandit1921 at cox.net
Tue Mar 14 17:19:22 CST 2006


It is under software/disk-images/other .. Or basically how does one 
make a disk out of the h8d files?

At 03:07 PM 3/14/2006 -0800, you wrote:
>Hi Joe
>  Now I'm confused. Where did you get the file
>you are talking about. I looked on www.sebhc.org/archive/
>and only see hard sectored stuff for the CPM files.
>Where did you find the zip file? If I can look at the file,
>maybe I can help. Otherwise who knows.
>Dwight
>
>
> >From: "Dwight Elvey" <dwight.elvey at amd.com>
> >
> >Hi Joe
> > I only know about the hard sectored images.
> >These are all just sector by sector copies
> >and there is a way to put them back on disk
> >using the utility on the site that I wrote.
> > Who ever created the soft sectored images
> >can speak up and tell you what tool he used.
> >I'm sure they can be put back on disk with
> >the same tool.
> >Dwight
> >
> >
> >>From: "Joe Smith" <bandit1921 at cox.net>
> >>
> >>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
> >>
> >>--
> >>Delivered by the SEBHC Mailing List
> >
> >
> >--
> >Delivered by the SEBHC Mailing List
>
>
>--
>Delivered by the SEBHC Mailing List

Joe Smith
joebandit
jtsdadinaz
Conbuilder debugger /Programmer

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