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63 lines
2.0 KiB
Markdown
63 lines
2.0 KiB
Markdown
Disk: Atari ST
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==============
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Atari ST disks are standard MFM encoded IBM scheme disks without an IAM header.
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Disks are typically formatted 512 bytes per sector with between 9-10 (sometimes
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11!) sectors per track and 80-82 tracks per side.
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Reading disks
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-------------
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Just do:
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fluxengine read atarist
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...and you'll end up with an `atarist.st` file. The size of the disk image will
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vary depending on the format. This is an alias for `fluxengine read ibm` with
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preconfigured parameters.
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Writing disks
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-------------
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FluxEngine can also write Atari ST scheme disks.
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The syntax is:
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fluxengine write ibm -i input.st <options>
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The format of `input.st` will vary depending on the kind of disk you're
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writing, which is configured by the options. You will almost certainly need to
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pass one of these:
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- `--ibm-preset-atarist-360`: a 360kB 3.5" disk, with 80 cylinders, 1 side,
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and 9 sectors per track.
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- `--ibm-preset-atarist-370`: a 370kB 3.5" disk, with 82 cylinders, 1 side,
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and 9 sectors per track.
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- `--ibm-preset-atarist-400`: a 400kB 3.5" disk, with 80 cylinders, 1 side,
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and 10 sectors per track.
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- `--ibm-preset-atarist-410`: a 410kB 3.5" disk, with 82 cylinders, 1 side,
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and 10 sectors per track.
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- `--ibm-preset-atarist-720`: a 720kB 3.5" disk, with 80 cylinders, 2 sides,
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and 9 sectors per track.
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- `--ibm-preset-atarist-740`: a 740kB 3.5" disk, with 82 cylinders, 2 sides,
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and 9 sectors per track.
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- `--ibm-preset-atarist-800`: a 800kB 3.5" disk, with 80 cylinders, 2 sides,
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and 10 sectors per track.
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- `--ibm-preset-atarist-820`: a 820kB 3.5" disk, with 82 cylinders, 2 sides,
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and 10 sectors per track.
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See [the IBM format documentation](disk-ibm.md) for more information.
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Useful references
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-----------------
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- [Atari ST Floppy Drive Hardware
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Information](https://info-coach.fr/atari/hardware/FD-Hard.php) by Jean
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Louis-Guerin
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- [Atari ST Floppy Drive Software
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Information](https://info-coach.fr/atari/software/FD-Soft.php) by Jean
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Louis-Guerin
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