Method LoadSnapshotFloppy

source/Disk.cpp:2376–2443

}

bool Disk2InterfaceCard::LoadSnapshotFloppy(YamlLoadHelper& yamlLoadHelper, UINT unit, UINT version, std::vector<BYTE>& track)
{
	const std::string simpleFilename = yamlLoadHelper.LoadString(SS_YAML_KEY_FILENAME);
	const std::string absolutePath = version >= 9 ? yamlLoadHelper.LoadString(SS_YAML_KEY_ABSOLUTE_PATH) : "";

	std::string filename = simpleFilename;
	bool bImageError = filename.empty();

	if (!bImageError)
	{
		DWORD dwAttributes = GetFileAttributes(filename.c_str());
		if (dwAttributes == INVALID_FILE_ATTRIBUTES && !absolutePath.empty())
		{
			// try the absolute path if present
			filename = absolutePath;
			dwAttributes = GetFileAttributes(filename.c_str());
		}

		if (dwAttributes == INVALID_FILE_ATTRIBUTES)
		{
			// ignore absolute name when opening the file dialog
			filename = simpleFilename;
			// Get user to browse for file
			UserSelectNewDiskImage(unit, filename.c_str());

			dwAttributes = GetFileAttributes(filename.c_str());
		}

		bImageError = (dwAttributes == INVALID_FILE_ATTRIBUTES);
		if (!bImageError)
		{
			if (InsertDisk(unit, filename, dwAttributes & FILE_ATTRIBUTE_READONLY, IMAGE_DONT_CREATE) != eIMAGE_ERROR_NONE)
				bImageError = true;

			// InsertDisk() zeros m_floppyDrive[unit], then sets up:
			// . m_imagename
			// . m_fullname
			// . m_bWriteProtected
		}
	}

	yamlLoadHelper.LoadBool(SS_YAML_KEY_WRITE_PROTECTED);	// Consume
	m_floppyDrive[unit].m_disk.m_byte = yamlLoadHelper.LoadUint(SS_YAML_KEY_BYTE);
	m_floppyDrive[unit].m_disk.m_nibbles = yamlLoadHelper.LoadUint(SS_YAML_KEY_NIBBLES);
	m_floppyDrive[unit].m_disk.m_trackimagedata = yamlLoadHelper.LoadUint(SS_YAML_KEY_TRACK_IMAGE_DATA) ? true : false;
	m_floppyDrive[unit].m_disk.m_trackimagedirty = yamlLoadHelper.LoadUint(SS_YAML_KEY_TRACK_IMAGE_DIRTY) ? true : false;

	if (version >= 4)
	{
		m_floppyDrive[unit].m_disk.m_bitOffset = yamlLoadHelper.LoadUint(SS_YAML_KEY_BIT_OFFSET);
		m_floppyDrive[unit].m_disk.m_bitCount = yamlLoadHelper.LoadUint(SS_YAML_KEY_BIT_COUNT);
		m_floppyDrive[unit].m_disk.m_extraCycles = yamlLoadHelper.LoadDouble(SS_YAML_KEY_EXTRA_CYCLES);

		if (m_floppyDrive[unit].m_disk.m_bitCount && (m_floppyDrive[unit].m_disk.m_bitOffset >= m_floppyDrive[unit].m_disk.m_bitCount))
			throw std::runtime_error("Disk image: bitOffset >= bitCount");

		if (ImageIsWOZ(m_floppyDrive[unit].m_disk.m_imagehandle))
			UpdateBitStreamOffsets(m_floppyDrive[unit].m_disk);	// overwrites m_byte, inits m_bitMask