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Merge pull request #212 from TomHarte/MFMParserDensity

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Improves the variability of the MFM parser used for static analysis
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Thomas Harte 2017-08-18 15:57:37 -04:00 committed by GitHub
commit b24d04fc09
1 changed files with 5 additions and 2 deletions
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7
Storage/Disk/Encodings/MFM.cpp
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@ -175,7 +175,10 @@ template<class T> std::shared_ptr<Storage::Disk::Track>
}
while(segment.data.size() < expected_track_bytes) shifter.add_byte(0x00);
if(segment.data.size() > expected_track_bytes) segment.data.resize(expected_track_bytes);
// Allow the amount of data written to be up to 10% more than the expected size. Which is generous.
size_t max_size = expected_track_bytes + (expected_track_bytes / 10);
if(segment.data.size() > max_size) segment.data.resize(max_size);
segment.number_of_bits = (unsigned int)(segment.data.size() * 8);
return std::shared_ptr<Storage::Disk::Track>(new Storage::Disk::PCMTrack(std::move(segment)));
@ -231,7 +234,7 @@ std::unique_ptr<Encoder> Storage::Encodings::MFM::GetFMEncoder(std::vector<uint8
#pragma mark - Parser
Parser::Parser(bool is_mfm) :
Storage::Disk::Controller(4000000, 1, 300),
Storage::Disk::Controller(4000000, 32, 300),
crc_generator_(0x1021, 0xffff),
shift_register_(0), is_mfm_(is_mfm),
track_(0), head_(0) {