Re: Program Changing Disk Byte Values on a IIgs?

["Tempest" <tempest@atariprotos.com>]

Ok I've copied the files I want to edit to a disk and I'll edit them
there.  What is the editing tool?  I don't see anything on Copy II Plus
for editing sectors.



On Oct 8, 9:47 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> Tempest wrote:
> > I found my Copy II Plus disk, but I'm not sure how to go about editing
> > the disk.  The file is stored on the HD, so I'm not sure if the program
> > can access it.To edit a disk *image* file, as opposed to a disk itself, you need
> to block edit the file, *not* the hard disk (something to be avoided).
>
> Even then, converting from ProDOS 5.25" disk block numbers to relative
> bytes in a disk image file is potentially very error prone.  (The
> instructions for disk edits that you have refer to the blocks of
> a physical 5.25" disk, not to an image file.)
>
> I'd recommend using a program (DiskMaker, DSK2FILE, etc.) to create
> a real 5.25" disk from the image file, then block edit that as
> prescribed, then, if you wish, re-image the patched disk.
>
> Alternatively, run an emulator, mount the disk image, and use your
> block editor on the image.
>
> -michael
>
> NadaNet networking for Apple II computers!
> Home page:  http://members.aol.com/MJMahon/
>
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