mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-24 11:11:02 -07:00
2.3 KiB
2.3 KiB
atarist
Almost PC compatible
Atari ST disks are standard MFM encoded IBM scheme disks without an IAM header. Disks are typically formatted 512 bytes per sector with between 9-10 (sometimes 11!) sectors per track and 80-82 tracks per side.
For some reason, occasionally formatting software will put an extra IDAM record with a sector number of 66 on a disk, which can horribly confuse things. The Atari profiles below are configured to ignore these.
Be aware that many PC drives (including mine) won't do the 82 track formats.
Options
- Format variants:
360: 360kB 3.5" 80-track 9-sector SSDD370: 370kB 3.5" 82-track 9-sector SSDD400: 400kB 3.5" 80-track 10-sector SSDD410: 410kB 3.5" 82-track 10-sector SSDD720: 720kB 3.5" 80-track 9-sector DSDD740: 740kB 3.5" 82-track 9-sector DSDD800: 800kB 3.5" 80-track 10-sector DSDD820: 820kB 3.5" 82-track 10-sector DSDD
Examples
To read:
fluxengine read atarist --360 -s drive:0 -o atarist.imgfluxengine read atarist --370 -s drive:0 -o atarist.imgfluxengine read atarist --400 -s drive:0 -o atarist.imgfluxengine read atarist --410 -s drive:0 -o atarist.imgfluxengine read atarist --720 -s drive:0 -o atarist.imgfluxengine read atarist --740 -s drive:0 -o atarist.imgfluxengine read atarist --800 -s drive:0 -o atarist.imgfluxengine read atarist --820 -s drive:0 -o atarist.img
To write:
fluxengine write atarist --360 -d drive:0 -i atarist.imgfluxengine write atarist --370 -d drive:0 -i atarist.imgfluxengine write atarist --400 -d drive:0 -i atarist.imgfluxengine write atarist --410 -d drive:0 -i atarist.imgfluxengine write atarist --720 -d drive:0 -i atarist.imgfluxengine write atarist --740 -d drive:0 -i atarist.imgfluxengine write atarist --800 -d drive:0 -i atarist.imgfluxengine write atarist --820 -d drive:0 -i atarist.img
References
-
Atari ST Floppy Drive Hardware Information by Jean Louis-Guerin
-
Atari ST Floppy Drive Software Information by Jean Louis-Guerin