Method LoadSnapshot

source/Mockingboard.cpp:1277–1357

}

bool MockingboardCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
{
	if (m_slot == 0 || m_slot == 3)
		throw std::runtime_error("Card: wrong slot");

	if (version < 1 || version > kUNIT_VERSION)
		throw std::runtime_error("Card: wrong version");

	if (QueryType() == CT_Phasor)
		return Phasor_LoadSnapshot(yamlLoadHelper, version);

	//

	AY8910UpdateSetCycles();

	if (version >= 6 && version <= 12)
	{
		bool isVotrax = yamlLoadHelper.LoadBool(SS_YAML_KEY_VOTRAX_PHONEME);
		m_MBSubUnit[0].ssi263.SetVotraxPhoneme(isVotrax);	// SC01 only in subunit 0
	}

	for (UINT subunit = 0; subunit < NUM_SUBUNITS_PER_MB; subunit++)
	{
		MB_SUBUNIT* pMB = &m_MBSubUnit[subunit];

		char szNum[2] = {char('0' + subunit), 0};
		std::string unit = std::string(SS_YAML_KEY_MB_UNIT) + std::string(szNum);
		if (!yamlLoadHelper.GetSubMap(unit))
			throw std::runtime_error("Card: Expected key: " + unit);

		pMB->sy6522.LoadSnapshot(yamlLoadHelper, version);
		UpdateIFRandIRQ(pMB, 0, pMB->sy6522.GetReg(SY6522::rIFR));			// Assert any pending IRQs (GH#677)
		AY8910_LoadSnapshot(yamlLoadHelper, subunit, AY8913_DEVICE_A, std::string(""));

		pMB->ssi263.LoadSnapshot(yamlLoadHelper, PH_Mockingboard, version, subunit);

		pMB->nAYCurrentRegister[0] = yamlLoadHelper.LoadUint(SS_YAML_KEY_AY_CURR_REG);

		if (version == 1)
		{
			pMB->sy6522.SetTimersActiveFromSnapshot(false, false, version);
		}
		else if (version >= 2 && version <= 7)
		{
			bool timer1Active = yamlLoadHelper.LoadBool(SS_YAML_KEY_TIMER1_ACTIVE);
			bool timer2Active = yamlLoadHelper.LoadBool(SS_YAML_KEY_TIMER2_ACTIVE);
			pMB->sy6522.SetTimersActiveFromSnapshot(timer1Active, timer2Active, version);
		}

		if (version <= 7)
		{
			yamlLoadHelper.LoadBool(SS_YAML_KEY_TIMER1_IRQ);	// Consume redundant data
			yamlLoadHelper.LoadBool(SS_YAML_KEY_TIMER2_IRQ);	// Consume redundant data
			yamlLoadHelper.LoadBool(SS_YAML_KEY_SPEECH_IRQ);	// Consume redundant data
		}

		pMB->state[0] = AY_INACTIVE;
		pMB->state[1] = AY_INACTIVE;