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Old 13 February 2017, 04:32   #1
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Can Amiga read/write to Atari ST floppy disks?

I have just acquired an Atari ST, and need some files putting onto floppies to run on it. I don't have a PC, or know anyone who still has a floppied-up PC.

Can I transfer files from my Mac to my Amiga 1200 (with a PCMCIA CF Card Reader), and then from the Amiga save them onto Atari formatted floppies?

What program do I need on the Amiga to do this if so?
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Old 13 February 2017, 05:58   #2
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If I'm reading this thread right: http://www.amiga.org/forums/showthread.php?t=66269

then you should be able to read and write to an Atari-compatible disk using CrossDOS which you can activate by running CrossDOSFileSystem, located in your L folder
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Old 13 February 2017, 10:16   #3
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You activate CrossDOS by running moving PC0 from SYS:Storage/Dosdrivers to DEVSosdrivers.
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Old 13 February 2017, 16:43   #4
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If you just copy the disk images or system files to a DD PC format disk, CrossDos or a similar program will do.

Be advised though that most of the Atari disks use extra sectors and the disk images - .msa for example - need to be written on a disk using a special program, and I'm skeptical that one actually exists for the Amiga.

If you have enough memory on the Atari side you can split the disk images to floppies, join them to Atari RAM disk (available with 3rd party programs) and rewrite to a floppy on the Atari disk drive.

All in all, you'd probably be best off with some modern Atari CF/SD HDD solution.
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Old 13 February 2017, 17:51   #5
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You can write .ST and .MSA on Amiga. Use XadUnDisk from the XAD package and http://aminet.net/package/dev/src/xad_MSA plugin.
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Old 13 February 2017, 21:09   #6
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Old 08 February 2020, 03:10   #7
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Originally Posted by idrougge View Post
You can write .ST and .MSA on Amiga. Use XadUnDisk from the XAD package and http://aminet.net/package/dev/src/xad_MSA plugin.

I tried to do this exact thing today. I installed xadmaster and xad_MSA, enabled CrossDOS and pc0. Formatted a disk on my ST, brought it over to the Amiga and it was recognized and had the correct name and everything. I ran XadUnDisk filename.msa pc0: and it successfully completed writing the image to disk. When I load the disk on my ST, it either bombs immediately or the machine fails to boot entirely. I tried adding the DISKIMAGE option but that didn't work either. Am I doing something wrong?
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