bugfixes to frequency calculation, now works with any sample rate and has correct frequencies for musical notes
channel 3 now supports volume @ expense of +7 cycles
custom now needed volume setup, due to triangle wave having volume control since last commit
more octaves, more effects, working converter
better protracker compatibility, bugfixes to vibrato+tremolo
oops, left in serial.begin by mistake
tuning for piezo
squawk now runs playrouting on it's own
cycle count
less rules, new converter
lots of help from fredrik
conversion is now bidirectional
converter "windows-ified" + linux binaries + bugfixes
prepared for sd-card support
cleanup
small change to pt oscs, saves 32 bytes rom
removed commented out code
sketches now default to pin 11
restructuring to prepare next play row after playing to minimize delays when accessing slow media - might be broken now, needs testing
added fifth pcm channel (2 clock cycles)