public bool ReadDirectorySector(LeImageReader rdr, List<ArchiveDirectoryEntry> entries)
{
byte nextDirTrack = 0;
byte nextDirSector = 0;
for (int i = 0; i < 8; ++i)
{
if (i == 0)
{
nextDirTrack = rdr.ReadByte();
nextDirSector = rdr.ReadByte();
}
else
{
rdr.Seek(2);
}
var fileType = (FileType) rdr.ReadByte();
var fileTrack = rdr.ReadByte();
var fileSector = rdr.ReadByte();
var sName = Encoding.ASCII.GetString(rdr.ReadBytes(16))
.TrimEnd((char) 0xA0);
var relTrack = rdr.ReadByte();
var relSector = rdr.ReadByte();
var rel = rdr.ReadByte();
rdr.Seek(6);
var sectorSize = rdr.ReadLeInt16();
if ((fileType & FileType.FileTypeMask) != FileType.DEL)
{
entries.Add(new D64FileEntry(
sName,
RawImage,
SectorOffset(fileTrack, fileSector),
fileType));
}
}
if (nextDirTrack != 0)
{
rdr.Offset = (uint) SectorOffset(nextDirTrack, nextDirSector);
return true;
}
else
{
return false;
}
}
public List<Address> ReadExceptionRecords(Address addrLoad, uint rvaExceptionTable, uint sizeExceptionTable)
{
var rvaTableEnd = rvaExceptionTable + sizeExceptionTable;
var functionStarts = new List<Address>();
if (rvaExceptionTable == 0 || sizeExceptionTable == 0)
return functionStarts;
switch (machine)
{
default:
Services.RequireService<IDiagnosticsService>()
.Warn(new NullCodeLocation(Filename), "Exception table reading not supported for machine #{0}.", machine);
break;
case MACHINE_R4000:
var rdr = new LeImageReader(this.imgLoaded.Bytes, rvaExceptionTable);
while (rdr.Offset < rvaTableEnd)
{
var addr = Address.Ptr32(rdr.ReadLeUInt32());
rdr.Seek(16);
functionStarts.Add(addr);
}
break;
}
return functionStarts;
}
