Method Save

pcsx2/SIO/Memcard/MemoryCardFolder.cpp:1015–1059

}

s32 FolderMemoryCard::Save(const u8* src, u32 adr, int size)
{
	//const u32 block = adr / BlockSizeRaw;
	//const u32 cluster = adr / ClusterSizeRaw;
	const u32 page = adr / PageSizeRaw;
	const u32 offset = adr % PageSizeRaw;
	const u32 end = offset + size;

	if (end > PageSizeRaw)
	{
		// is trying to store more than one page at a time
		// do this recursively so that each function call only has to care about one page
		const u32 toNextPage = PageSizeRaw - offset;
		Save(src + toNextPage, adr + toNextPage, size - toNextPage);
		size = toNextPage;
	}

	if (offset < PageSize)
	{
		// is trying to store (part of) an actual data block
		const u32 dataLength = std::min((u32)size, PageSize - offset);

		// if cache page has not yet been touched, fill it with the data from our memory card
		auto it = m_cache.find(page);
		MemoryCardPage* cachePage;
		if (it == m_cache.end())
		{
			cachePage = &m_cache[page];
			const u32 adrLoad = page * PageSizeRaw;
			ReadDataWithoutCache(&cachePage->raw[0], adrLoad, PageSize);
			memcpy(&m_oldDataCache[page].raw[0], &cachePage->raw[0], PageSize);
		}
		else
		{
			cachePage = &it->second;
		}

		// then just write to the cache
		memcpy(&cachePage->raw[offset], src, dataLength);

		SetTimeLastWrittenToNow();
	}

	return 1;
}

void FolderMemoryCard::NextFrame()
{