SpeedPacker 3.0

[kenshigros]

Hi.Is there a way to add Speedpackerv3.0 compression ? (from AtariST/E)
Thank you
https://demozoo.org/productions/69933/

[temisu]

It is actually interesting format, and the linked disk contains some more formats as well. I need to do a proper investigation but it is format that looks exact fit for the project