nanovoice instructions
B: turn pixel on
A: mute pixel
B+up/down: set volume
B+left/right: switch pixel to noise/sine mode
START+up/down: change sampling frequency
START+left/right: change tempo
START+A/B: external sync on/off
SELECT: toggle file menu
in file menu:
B+up/down: load / save
left/right: select file slot
A+B+up: clear pattern
on flashcarts and emulators only one file slot is available, writing to / reading from any slot will access slot 0.