Need help with TR-DOS disk (ZX-Spectrum BetaDisk Interface)

[neonman63]

Hello.
I'm trying to create image of a TR-DOS floppy disk (80 tracks, 2 sides, 256 bytes per sector, 16 sectors). I run the command
./fluxengine read ibm --layout.layoutdata.physical.count=16 --layout.layoutdata.physical.start_sector=1 --layout.layoutdata.sector_size=256 --layout.sides=2 --layout.tracks=80 --heads.start=0 --heads.end=1 --image_writer.filename=gstrd.img
but the output is a mess - head 0 reads normally, but head 1 has errors and repeats. How to correctly specify a custom format for floppy disks for which there is no ready-made profile?

Some screenshots with logs

[neonman63]

Solved by adding --decoder.ibm.trackdata.ignore_side_byte=true

[neonman63]

How to create a custom profile with this settings?

[davidgiven]

Belatedly (sorry, didn't see this bug): the built-in profiles are in src/formats. If you want to add a new one, I'd suggest cut-and-pasting one of the existing formats and adding it to the obvious place in the build.py file. The eco1 profile is a reasonable minimal example.

Do you know anything about the filesystem used on these? It'd be good to get support added.

[neonman63]

Thanks, it has the original TR-DOS file system.
https://sinclair.wiki.zxnet.co.uk/wiki/TR-DOS_filesystem