[sebhc] h17 and h8d disk images

Dwight K. Elvey dwight.elvey at amd.com
Wed Sep 1 17:36:59 CDT 2004

 There is one thing I've thought would be good to
add to the h8d format. I think we could add one byte
to the end that would be the volume number.
This could be optional since HDOS disk already include
this in the first track data. Adding one more byte
would cause allocation of another disk block on
most files systems ( like DOS or Windoze ). That
is a reasonable waste of space to always use.
 This information could be determined by any program as
simply checking the file size. One byte longer than the
100K bytes and it must have a volume number attached.
If exactly 100K bytes, the first track information could
be used.
 I believe that most current programs would just ignore
this last byte. I'm relatively sure my program would.
I currently buffer a track at a time. This should keep
it backwards compatible.
 What do others think?

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