SAMdisk

SAMDisk is a command line floppy disk utility. It’s used to read disks and convert disk images. I used it to convert some old Sharp MZ-800 floppy disks into the extended disk format (EDSK) so I can use them in an emulator.

• Homepage: https://simonowen.com/samdisk/
• Github: https://github.com/simonowen/samdisk

Building latest github version with IPF support

The IPF format (image preservation format) is supported in the 4.0 version of SAMdisk. To build SAMdisk from source:

1. get and build https://github.com/simonowen/capsimage using cmake . && make && sudo make install
2. get and build https://github.com/simonowen/samdisk using cmake . && make && sudo make install

$ samdisk
SAMdisk 4.0 ALPHA (Feb  6 2021), (c) 2002-21 Simon Owen

 SAMDISK [copy|scan|format|list|view|info|dir|rpm] <args>

  -c, --cyls=N        cylinder count (N) or range (A-B)
  -h, --head=N        single head select (0 or 1)
  -s, --sector[s]     sector count for format, or single sector select
  -r, --retries=N     retry count for bad sectors (default=5)
  -R, --rescans=N     rescan count for full track reads (default=0)
  -d, --double-step   step floppy head twice between tracks
  -f, --force         suppress confirmation prompts (careful!)

The following apply to regular disk formats only:
  -n, --no-format     skip formatting stage when writing
  -m, --minimal       read/write only used MGT tracks
  -g, --gap3=N        override gap3 inter-sector spacing (default=0; auto)
  -i, --interleave=N  override sector interleave (default=1)
  -k, --skew=N        override inter-track skew (default=1)
  -z, --size=N        override sector size code (default=2; 512 bytes)
  -b, --base=N        override lowest sector number (default=1)
  -0, --head[0|1]=N   override head 0 or 1 value

See https://simonowen.com/samdisk/ for further details.