v2.1a

Release Notes:

• IMG.CFG: Allow up to 256 sectors per track
• IMG.CFG: Split skew into per-cylinder and per-side values (cskew/sskew)
• IMG.CFG: Introduce image-file layout option (file-layout=):
  • sequential,interleaved: Cylinder-first or side-first track ordering
  • reverse-sideN: Side-N cylinders in reverse order (high to low) (N=0,1)
  • sides-swapped: Ordering of disk sides is swapped in the image file
• 7-Segment LED: Display track number when an image is mounted
  • FF.CFG: "display-type = led-trk"
  • Displays slot number as usual during image selection/navigation
  • First button press reverts to slot display; Next press begins navigation
• LCD/OLED: Display full cylinder number on displays wider than 16 columns
  • Previously truncated at cylinder 99