private Dictionary <Address32, ImportReference> LoadImports()
{
Dictionary <Address32, ImportReference> imports = new Dictionary <Address32, ImportReference>();
XbeLibrary kernelLibrary = new XbeLibrary(rdr.ReadAt(ctx.KernelLibraryAddress - ctx.BaseAddress, (rdr) =>
{
return(rdr.ReadStruct <XbeLibraryVersion>());
}));
rdr.Seek(ctx.KernelThunkAddress - ctx.BaseAddress, System.IO.SeekOrigin.Begin);
for (uint i = 0; ; i++)
{
Address32 ordinalAddress = (Address32)ctx.KernelThunkAddress.Add(i * 4);
if (!rdr.TryReadUInt32(out uint dword))
{
throw new BadImageFormatException("Unexpected EOF while reading import table.");
}
if (dword == 0)
{
break;
}
else if ((dword >> 31) == 0)
{
throw new NotSupportedException("Named ordinals not expected in XBE files.");
}
int ordinalValue = (int)(dword & 0x7FFFFFFF);
imports.Add(ordinalAddress, new OrdinalImportReference(ordinalAddress, kernelLibrary.LibraryName, ordinalValue, SymbolType.ExternalProcedure));
}
return(imports);
}
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);
}
}
