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Old 19 February 2021, 22:30   #1
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Floppy disk Floppy boots but can't access in Workbench?


I'm new to Amiga and have ran into a problem.

I'm using FS-UAE 3.0.5 to emulate an Amiga 1200 running 3.1 Kickstart and vanilla/stock Workbench v3.1 rev 40.42

I can boot the Amiga with the following floppy: https://telparia.com/fileFormatSampl...FS/voyager.adf

It runs the floppy, a demoscene prog with lots of cool graphics and music. Fun!

My goal is to get a listing of the files on the floppy and copy them off so I can dig into the files.

Problem is, Workbench 3.1 can't access the floppy.
When attempting to get a listing in the Shell with DIR DF0: it tells me: Not a DOS disk in device DF0

From my research, my guess is that this floppy has a non-standard filesystem, maybe even a custom one the author did to squeeze more space for the demo.

Being new to the Amiga, I'm not sure what to do next.

Question 1: Is there additional file system support that I can add to Workbench so it will read this floppy?

Question 2: Are there shell commands or amiga programs I can run that will print more info about the disk, to try and figure out what filesystem it's been formatted with?

Question 3 (edit): Maybe I should use something like WHDLoad? Although this appears to be for a real Amiga and also looks quite daunting.


PS - Really loving working with the Amiga so far! Grew up with a C64, always wanted an Amiga

Last edited by Sembiance; 19 February 2021 at 22:44. Reason: Formatting
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Old 20 February 2021, 19:50   #2
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It's a Non-Dos disk

Try something like GoADF

FYI WinUAE could rip 2 mods (15 secs + 3 mins 4 secs) from it
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Old 21 February 2021, 01:12   #3
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Originally Posted by Nobby_UK View Post
It's a Non-Dos disk

Try something like GoADF

FYI WinUAE could rip 2 mods (15 secs + 3 mins 4 secs) from it
Thanks so much for the info!

I ran GoADF on it and indeed it just comes up as an NDOS disk (Non-DOS). So that's not gonna help me get the files out of it.

Upon thinking of it more, it might not even have the concept of files, as the demo coder could have come up with any way they wanted to store and access the data.

I'm going to research the WinUAE ripping feature. I currently run fs-uae under Linux. My hunch is it's probably just looking for the known file signatures, such as MOD, in the raw data.
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Old 21 February 2021, 18:07   #4
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voyager.adf is a non-AmigaDOS filesystem disk image.

If you want to rip images/sounds from it, try using Action Replay, or equivalent:

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