/* static */
void Arpeggiator::Start() {
running_ = 1;
bitmask_ = 1;
tick_ = midi_clock_prescaler_ - 1;
current_direction_ = (direction_ == ARPEGGIO_DIRECTION_DOWN ? -1 : 1);
recording_ = 0;
StartArpeggio();
}
void Timbre::StepArpeggio() {
if (current_octave_ == 127) {
StartArpeggio();
return;
}
int direction = params.engineArp1.direction;
uint8_t num_notes = note_stack.size();
if (direction == ARPEGGIO_DIRECTION_RANDOM) {
uint8_t random_byte = *(uint8_t*)noise;
current_octave_ = random_byte & 0xf;
current_step_ = (random_byte & 0xf0) >> 4;
while (current_octave_ >= params.engineArp1.octave) {
current_octave_ -= params.engineArp1.octave;
}
while (current_step_ >= num_notes) {
current_step_ -= num_notes;
}
} else {
