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Corrects tag preservation.

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This commit is contained in:
Thomas Harte 2019-07-15 17:15:06 -04:00
parent 46b98dab70
commit ca37fd8f4c
1 changed files with 7 additions and 4 deletions
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11
Storage/Disk/DiskImage/Formats/MacintoshIMG.cpp
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@ -246,12 +246,15 @@ void MacintoshIMG::set_tracks(const std::map<Track::Address, std::shared_ptr<Tra
size_t start_sector = size_t(included_sectors.start * get_head_count() + included_sectors.length * pair.first.head);
for(int c = 0; c < included_sectors.length; ++c) {
memcpy(&data_[start_sector * 512], &pair.second[size_t(c)*524 + 12], 512);
const auto sector_plus_tags = &pair.second[size_t(c)*524];
// TODO: the below strongly implies I should keep tags in memory even if I don't write
// them out to the file?
// Copy the 512 bytes that constitute the sector body.
memcpy(&data_[start_sector * 512], &sector_plus_tags[12], 512);
// Copy the tags if this file can store them.
// TODO: add tags to a DiskCopy-format image that doesn't have them, if they contain novel content?
if(tags_.size()) {
memcpy(&data_[start_sector * 12], pair.second.data(), 12);
memcpy(&tags_[start_sector * 12], sector_plus_tags, 12);
}
++start_sector;