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Merge pull request #703 from TomHarte/Sup133

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Fixed: the final track field in an MSA is inclusive, not exclusive.
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Thomas Harte 2019-12-24 23:30:04 -05:00 committed by GitHub
commit daacd6805e
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1 changed files with 2 additions and 2 deletions
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4
Storage/Disk/DiskImage/Formats/MSA.cpp
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@ -80,7 +80,7 @@ std::shared_ptr<::Storage::Disk::Track> MSA::get_track_at_position(::Storage::Di
const auto position = address.position.as_int(); const auto position = address.position.as_int();
if(position < starting_track_) return nullptr; if(position < starting_track_) return nullptr;
if(position >= ending_track_) return nullptr; if(position > ending_track_) return nullptr;
const auto &track = uncompressed_tracks_[size_t(position - starting_track_) * size_t(sides_) + size_t(address.head)]; const auto &track = uncompressed_tracks_[size_t(position - starting_track_) * size_t(sides_) + size_t(address.head)];
assert(!track.empty()); assert(!track.empty());
@ -88,7 +88,7 @@ std::shared_ptr<::Storage::Disk::Track> MSA::get_track_at_position(::Storage::Di
} }
HeadPosition MSA::get_maximum_head_position() { HeadPosition MSA::get_maximum_head_position() {
return HeadPosition(ending_track_); return HeadPosition(ending_track_ + 1);
} }
int MSA::get_head_count() { int MSA::get_head_count() {