# REC clears the seed pattern and captures a physical-key melody live.
# Stop playback, then SAVE waits until the release tail is fully silent.
100 btn 13
220 keys 0x80
380 keys 0
580 keys 0x400
740 keys 0
1000 keys 0x40000
1200 keys 0
1600 btn 13
4300 btn 12
4400 btn 9
9000 end
