Key  | Action in VICE                   | Action in SW-Emu
-----+----------------------------------+---------------------------------------
 ß   | + / next instrument              | nothing
 ´   | - / previous instrument          | nothing
 Ü   | note F-7 (base octave 5)         | nothing
 +   | note G-7 (base octave 5)         | + / next instrument
 Ö   | note D#6 (base octave 5)         | note D#6 (base octave 5)
 Ä   | nothing                          | nothing
 -   | step 8 bars down                 | - / previous instrument
 <   | increase tempo                   | nothing


