Method LoadSnapshot

source/Harddisk.cpp:1419–1481

}

bool HarddiskInterfaceCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
{
	if (version < 1 || version > kUNIT_VERSION)
		ThrowErrorInvalidVersion(version);

	if (version <= 2 && (regs.pc >> 8) == (0xC0|m_slot))
		throw std::runtime_error("HDC card: 6502 is running old HDD firmware");

	m_unitNum = yamlLoadHelper.LoadUint(SS_YAML_KEY_CURRENT_UNIT);
	if (version < 5)
	{
		m_isFirmwareV1or2 = true;
		FixupUnitNum();
	}

	m_command = yamlLoadHelper.LoadUint(SS_YAML_KEY_COMMAND);

	if (version >= 3)
		m_notBusyCycle = yamlLoadHelper.LoadUint64(SS_YAML_KEY_NOT_BUSY_CYCLE);

	m_saveStateFirmwareV1 = m_saveStateFirmwareV2 = false;
	if (version < 4)
		m_saveStateFirmwareV1 = true;
	else if (version == 4)
		m_saveStateFirmwareV2 = true;

	if (version >= 5)
	{
		m_statusCode = yamlLoadHelper.LoadUint(SS_YAML_KEY_SP_STATUS_CODE);
		m_fifoIdx = yamlLoadHelper.LoadUint(SS_YAML_KEY_FIFO_INDEX);

		//

		if (!yamlLoadHelper.GetSubMap(SS_YAML_KEY_FIRMWARE))
			throw std::runtime_error(std::string("HDC") + ": Missing: " + SS_YAML_KEY_FIRMWARE);
		yamlLoadHelper.LoadMemory(m_saveStateFirmware, APPLE_SLOT_SIZE);
		yamlLoadHelper.PopMap();
		m_saveStateFirmwareValid = true;

		// NB. A command line option can be used to ignore the HDC's firmware:
		// . Used by AppleWin-Test (regression suite) so that an older save-state file can be used to test newer HDC firmware (eg. GH#1207).
		if (Snapshot_GetIgnoreHdcFirmware())
			m_saveStateFirmwareValid = false;
	}

	// Unplug all HDDs first in case eg. HDD-2 is to be plugged in as HDD-1
	for (UINT i = HARDDISK_1; i < NUM_HARDDISKS; i++)
	{
		Unplug(i);
		m_hardDiskDrive[i].clear();
	}

	bool userSelectedImageFolder = false;
	for (UINT i = HARDDISK_1; i < NUM_HARDDISKS; i++)
		userSelectedImageFolder |= LoadSnapshotHDDUnit(yamlLoadHelper, i, version);

	if (!userSelectedImageFolder)
		RegSaveString(REG_PREFS, REGVALUE_PREF_HDV_START_DIR, 1, Snapshot_GetPath());