Method initSSG

BambooTracker/opna_controller.cpp:2447–2505

/

/***********************************/
void OPNAController::initSSG()
{
	mixerSSG_ = 0xff;
	opna_->setRegister(0x07, mixerSSG_);
	noisePeriodSSG_ = 0;
	opna_->setRegister(0x06, noisePeriodSSG_);
	hardEnvPeriodHighSSG_ = 0;
	hardEnvPeriodLowSSG_ = 0;

	for (size_t ch = 0; ch < 3; ++ch) {
		auto& ssg = ssg_[ch];
		ssg.ch = ch;

		ssg.isKeyOn = false;
		ssg.hasKeyOnBefore = false;
		ssg.isInKeyOnProcess_ = false;

		ssg.refInst.reset();	// Init envelope

		ssg.echoBuf.clear();

		ssg.neverSetBaseNote = true;
		ssg.baseVol = bt_defs::NSTEP_SSG_VOLUME - 1;	// Init volume
		ssg.oneshotVol = UNUSED_VALUE;
		ssg.isHardEnv = false;

		// Init sequence
		ssg.shouldSkip1stTickExec = false;
		ssg.wfItr.reset();
		ssg.wfChState = SSGWaveformUnit::makeOnlyDataUnit(SSGWaveformType::UNSET);
		ssg.envItr.reset();
		ssg.envState = SSGEnvelopeUnit();
		ssg.tnItr.reset();
		ssg.arpItr.reset();
		ssg.ptItr.reset();
		ssg.ptSum = 0;
		ssg.shouldSetEnv = false;
		ssg.shouldSetSqMaskFreq = false;
		ssg.shouldSetHardEnvFreq = false;
		ssg.shouldUpdateMixState = false;
		ssg.shouldSetTone = false;

		// Effect
		ssg.isArpEff = false;
		ssg.prtmDepth = 0;
		ssg.isTonePrtm = false;
		ssg.vibItr.reset();
		ssg.treItr.reset();
		ssg.volSld = 0;
		ssg.volSldSum = 0;
		ssg.xVolSldItr.reset();
		ssg.detune = 0;
		ssg.fdetune = 0;
		ssg.nsItr.reset();
		ssg.nsSum = 0;
		ssg.transpose = 0;
		ssg.hasRequestedTnEffSet = false;
	}