Method setNoteSlideADPCM

BambooTracker/opna_controller.cpp:3869–3877

}

void OPNAController::setNoteSlideADPCM(int speed, int semitone)
{
	if (refInstKit_) return;

	if (semitone) {
		nsItrADPCM_ = std::make_unique<NoteSlideEffectIterator>(speed, semitone);
	}
	else nsItrADPCM_.reset();
}

void OPNAController::setTransposeEffectADPCM(int semitone)
{