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Fixed: catalogue bitmap is in blocks, not sectors.

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This commit is contained in:
Thomas Harte 2017-08-17 12:47:47 -04:00
parent 58063b69a6
commit 42ad670ec8
1 changed files with 18 additions and 12 deletions
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30
Storage/Disk/Parsers/CPM.cpp
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@ -24,24 +24,30 @@ std::unique_ptr<Storage::Disk::CPM::Catalogue> Storage::Disk::CPM::GetCatalogue(
int track = parameters.reserved_tracks;
while(catalogue_allocation_bitmap) {
if(catalogue_allocation_bitmap & 0x8000) {
std::shared_ptr<Storage::Encodings::MFM::Sector> sector_contents = parser.get_sector(0, (uint8_t)track, (uint8_t)(parameters.first_sector + sector));
if(!sector_contents) {
return nullptr;
}
size_t size_read = 0;
do {
std::shared_ptr<Storage::Encodings::MFM::Sector> sector_contents = parser.get_sector(0, (uint8_t)track, (uint8_t)(parameters.first_sector + sector));
if(!sector_contents) {
return nullptr;
}
catalogue.insert(catalogue.end(), sector_contents->data.begin(), sector_contents->data.end());
sector_size = sector_contents->data.size();
catalogue.insert(catalogue.end(), sector_contents->data.begin(), sector_contents->data.end());
sector_size = sector_contents->data.size();
size_read += sector_size;
sector++;
if(sector == parameters.sectors_per_track) {
sector = 0;
track++;
}
} while(size_read < (size_t)parameters.block_size);
}
catalogue_allocation_bitmap <<= 1;
sector++;
if(sector == parameters.sectors_per_track) {
sector = 0;
track++;
}
}
printf("%lu\n", catalogue.size());
std::unique_ptr<Catalogue> result(new Catalogue);
bool has_long_allocation_units = (parameters.tracks * parameters.sectors_per_track * (int)sector_size / parameters.block_size) >= 256;
size_t bytes_per_catalogue_entry = (has_long_allocation_units ? 16 : 8) * (size_t)parameters.block_size;