| 27 | D88ImageWriter(const ImageWriterProto& config): ImageWriter(config) {} |
| 28 | |
| 29 | void writeImage(const Image& image) override |
| 30 | { |
| 31 | const Geometry geometry = image.getGeometry(); |
| 32 | |
| 33 | int tracks = geometry.numCylinders; |
| 34 | int sides = geometry.numHeads; |
| 35 | |
| 36 | std::ofstream outputFile( |
| 37 | _config.filename(), std::ios::out | std::ios::binary); |
| 38 | if (!outputFile.is_open()) |
| 39 | error("cannot open output file"); |
| 40 | |
| 41 | Bytes header; |
| 42 | ByteWriter headerWriter(header); |
| 43 | for (int i = 0; i < 26; i++) |
| 44 | { |
| 45 | headerWriter.write_8(0x0); // image name + reserved bytes |
| 46 | } |
| 47 | headerWriter.write_8(0x00); // not write protected |
| 48 | if (geometry.numCylinders > 42) |
| 49 | { |
| 50 | headerWriter.write_8(0x20); // 2HD |
| 51 | } |
| 52 | else |
| 53 | { |
| 54 | headerWriter.write_8(0x00); // 2D |
| 55 | } |
| 56 | headerWriter.write_le32( |
| 57 | 0); // disk size (will be overridden at the end of writing) |
| 58 | for (int i = 0; i < 164; i++) |
| 59 | { |
| 60 | headerWriter.write_le32( |
| 61 | 0); // track pointer (will be overridden in track loop) |
| 62 | } |
| 63 | header.writeTo(outputFile); |
| 64 | |
| 65 | uint32_t trackOffset = 688; |
| 66 | |
| 67 | for (int track = 0; track < geometry.numCylinders * geometry.numHeads; |
| 68 | track++) |
| 69 | { |
| 70 | headerWriter.seek(0x20 + 4 * track); |
| 71 | headerWriter.write_le32(trackOffset); |
| 72 | int side = track & 1; |
| 73 | std::vector<std::shared_ptr<const Sector>> sectors; |
| 74 | for (int sectorId = geometry.firstSector; |
| 75 | sectorId <= geometry.numSectors; |
| 76 | sectorId++) |
| 77 | { |
| 78 | const auto& sector = image.get(track >> 1, side, sectorId); |
| 79 | if (sector) |
| 80 | { |
| 81 | sectors.push_back(sector); |
| 82 | } |
| 83 | } |
| 84 | std::sort(begin(sectors), |
| 85 | end(sectors), |
| 86 | [](std::shared_ptr<const Sector> a, |