Floppies Backup - Disk Images

[Cass]

I'm trying to create a backup of the floppies I currently have. But there are problems regarding strange/unusual formats, like the Tri-Formatted disk (Amiga/Atari/PC) found on several magazines, and others...

Till now, I've tried the transdisk with the parameters "-d multi-os 0" (for the unit 0, df0:), and the DIC (Disk Image Creator). Unfortunately, I couldn't recreate the original. (corrupt/wrong image files).

Any ideas on how should I create an identical image of the floppy (with the possibility to transfer back to a physical medium)?


I`ve used dms in the first place, but the r/w errors encountered, made me searching for an alternative solution.

[Cass]

do you by any chance know if the originals were created with standard drive?

No info on how this disks were produced... But it is a standard FAT format mixed with FFS tracks. Amiga needs the track 40 and the PC the 0. I don`t remeber where lies the fat/bootblock for atari, but it has same geometry with the PC format.

A more trivial format, is the A-Max disks, the ones produced by the mac emulator software.

[Cass]

@ InTheSand

This should do the work.

cyl 64 side 0: length 12495/5 2
 (raw)
cyl 64 side 1: length 12495/2 2
 (raw)
cyl 65 side 0: length 12495/6 (AmigaDOS)
cyl 65 side 1: length 12666/0 (AmigaDOS)

Here is an example of the output during the disk image creation. I've used the "rawread -r -f triformat" as command line parameters. The result is an adf file with 1740538 bytes length. When mounted with latest WinUAE version, the disk is recognised as a NonDos disk. Same result with diskimage.device v37.7 .
Is there a possibility to write back the .adf to a floppy? The standard utils won't do the work...

[Cass]

can't be written back to real floppies on standard Amiga hardware.

Is there a non-standard Amiga h/w that can recreate the originals (catweasel maybe)?

The proble was the .adf produced by this utility was unusable even under the emulation, so I doubt it would be of any further use.

IPF might be a better solution. How can I create an .IPF image?