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This'll do for getting the ADF into the machine.

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This commit is contained in:
Thomas Harte 2016-09-25 18:32:26 -04:00
parent de863719d0
commit 523dbb9678
2 changed files with 25 additions and 2 deletions
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25
StaticAnalyser/Acorn/Disk.cpp
View File

@ -248,7 +248,30 @@ std::unique_ptr<Catalogue> StaticAnalyser::Acorn::GetADFSCatalogue(const std::sh
FMParser parser(true);
parser.set_disk(disk);
std::shared_ptr<Storage::Encodings::MFM::Sector> directory = parser.get_sector(0, 2);
std::shared_ptr<Storage::Encodings::MFM::Sector> free_space_map_second_half = parser.get_sector(0, 1);
if(!free_space_map_second_half) return nullptr;
std::vector<uint8_t> root_directory;
root_directory.reserve(5 * 256);
for(uint8_t c = 2; c < 7; c++)
{
std::shared_ptr<Storage::Encodings::MFM::Sector> sector = parser.get_sector(0, c);
if(!sector) return nullptr;
root_directory.insert(root_directory.end(), sector->data.begin(), sector->data.end());
}
// Quick sanity checks.
if(root_directory[0x4cb]) return nullptr;
if(root_directory[1] != 'H' || root_directory[2] != 'u' || root_directory[3] != 'g' || root_directory[4] != 'o') return nullptr;
if(root_directory[0x4FB] != 'H' || root_directory[0x4FC] != 'u' || root_directory[0x4FD] != 'g' || root_directory[0x4FE] != 'o') return nullptr;
switch(free_space_map_second_half->data[0xfd])
{
default: catalogue->bootOption = Catalogue::BootOption::None; break;
case 1: catalogue->bootOption = Catalogue::BootOption::LoadBOOT; break;
case 2: catalogue->bootOption = Catalogue::BootOption::RunBOOT; break;
case 3: catalogue->bootOption = Catalogue::BootOption::ExecBOOT; break;
}
return catalogue;
}

2
Storage/Disk/Formats/AcornADF.cpp
View File

@ -21,7 +21,7 @@ AcornADF::AcornADF(const char *file_name) : _file(nullptr)
// very loose validation: the file needs to be a multiple of 256 bytes
// and not ungainly large
if(file_stats.st_size & 255) throw ErrorNotAcornADF;
if(file_stats.st_size < 2048) throw ErrorNotAcornADF;
if(file_stats.st_size < 7 * 256) throw ErrorNotAcornADF;
_file = fopen(file_name, "rb");
if(!_file) throw ErrorCantOpen;