--------------------------------------------------------------------------- Load cache ---------------------------------------------------------------------------
| 144 | // |
| 145 | //--------------------------------------------------------------------------- |
| 146 | bool DiskCache::Load(int index, int64_t track, shared_ptr<DiskTrack> disktrk) |
| 147 | { |
| 148 | assert(index >= 0 && index < static_cast<int>(cache.size())); |
| 149 | assert(track >= 0); |
| 150 | assert(cache[index].disktrk == nullptr); |
| 151 | |
| 152 | // Get the number of sectors on this track |
| 153 | int64_t sectors = sec_blocks - (track << 8); |
| 154 | assert(sectors > 0); |
| 155 | if (sectors > 0x100) { |
| 156 | sectors = 0x100; |
| 157 | } |
| 158 | |
| 159 | if (disktrk == nullptr) { |
| 160 | disktrk = make_shared<DiskTrack>(); |
| 161 | } |
| 162 | |
| 163 | disktrk->Init(track, sec_size, sectors, cd_raw, imgoffset); |
| 164 | |
| 165 | // Try loading |
| 166 | if (!disktrk->Load(sec_path, cache_miss_read_count)) { |
| 167 | ++read_error_count; |
| 168 | |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | // Allocation successful, work set |
| 173 | cache[index].disktrk = disktrk; |
| 174 | |
| 175 | return true; |
| 176 | } |
| 177 | |
| 178 | void DiskCache::UpdateSerialNumber() |
| 179 | { |