Method MockingboardCard

source/Mockingboard.cpp:66–124

//---------------------------------------------------------------------------

MockingboardCard::MockingboardCard(UINT slot, SS_CARDTYPE type) : Card(type, slot), m_MBSubUnit{ {slot, type}, {slot, type} }
{
	m_lastCumulativeCycle = 0;
	m_lastAYUpdateCycle = 0;

	for (UINT i = 0; i < NUM_VOICES; i++)
		m_ppAYVoiceBuffer[i] = new short[MAX_SAMPLES];	// Buffer can hold a max of 0.37 seconds worth of samples (16384/44100)

	m_inActiveCycleCount = 0;
	m_regAccessedFlag = false;
	m_isActive = false;

	m_isPhasorCard = (QueryType() == CT_Phasor);
	SetPhasorMode(PH_Mockingboard);		// + re-init's AY CLK

	m_lastMBUpdateCycle = 0;
	m_numSamplesError = 0;

	//

	for (int id = 0; id < kNumSyncEvents; id++)
	{
		int syncId = (m_slot << 4) + id;	// NB. Encode the slot# into the id - used by MB_SyncEventCallback()
		m_syncEvent[id] = new SyncEvent(syncId, 0, MB_SyncEventCallback);
	}

	for (UINT i = 0; i < NUM_SUBUNITS_PER_MB; i++)
	{
		m_MBSubUnit[i].nAY8910Number = i;
		m_MBSubUnit[i].Reset(QueryType());
		const UINT id0 = i * SY6522::kNumTimersPer6522 + 0;	// TIMER1
		const UINT id1 = i * SY6522::kNumTimersPer6522 + 1;	// TIMER2
		m_MBSubUnit[i].sy6522.InitSyncEvents(m_syncEvent[id0], m_syncEvent[id1]);
		m_MBSubUnit[i].ssi263.SetDevice(i);

		// Load speech chip config from Registry
		uint32_t type;
		std::string regSection = RegGetConfigSlotSection(m_slot);
		if (i == 0)
			RegLoadValue(regSection.c_str(), REGVALUE_MOCKINGBOARD_SSI263_SOCKET0, TRUE, &type, kSSI263A_Default);
		else
			RegLoadValue(regSection.c_str(), REGVALUE_MOCKINGBOARD_SSI263_SOCKET1, TRUE, &type, kSSI263B_Default);	// socket-1 for main SSI263
		m_MBSubUnit[i].ssi263.SetType(SSI263Type(type));

		if (i == 0)
		{
			uint32_t hasSC01;
			std::string regSection = RegGetConfigSlotSection(m_slot);
			RegLoadValue(regSection.c_str(), REGVALUE_MOCKINGBOARD_SC01, TRUE, &hasSC01, kSC01_Default == SC01 ? TRUE : FALSE);
			m_MBSubUnit[i].ssi263.SetSC01(hasSC01 ? SC01 : SSI263Empty);
		}
	}

	AY8910_InitAll((int)g_fCurrentCLK6502, SAMPLE_RATE);
	LogFileOutput("MockingboardCard::ctor: AY8910_InitAll()\n");

	Reset(true);
	LogFileOutput("MockingboardCard::ctor: Reset()\n");