Hi Ingo

> but when the a112 came out i sold the s612 to a very
> good friend. afaik the s612 cannot save samples via midi dump,
> only via floppy drive.

I do not know whether the S612 uses an protocol of its own or standard
sample dump. There is a very good graphic editor/library program for
Atari ST by Harald Plontke, you will find on my pages:
http://fa.utfs.org/files/S612.ZIP
http://fa.utfs.org/files/X7000.ZIP

Florian