Method setNoteSlideFM

BambooTracker/opna_controller.cpp:1076–1083

}

void OPNAController::setNoteSlideFM(int ch, int speed, int semitone)
{
	auto& fm = fm_[ch];
	if (semitone) {
		fm.nsItr = std::make_unique<NoteSlideEffectIterator>(speed, semitone);
	}
	else fm.nsItr.reset();
}


void OPNAController::setTransposeEffectFM(int ch, int semitone)