public static (byte[] comp, byte[] decomp) DecompressFull(ByteArrayStream source, int outputSize)
{
var startAddress = source.Address;
var dataSourceOffset = source.Word();
var dataSource = source.Branch(source.Address + dataSourceOffset);
var output = new ByteArrayStream(outputSize);
byte command;
while ((command = source.Byte()) != 0x00)
{
if ((command & 0x0f) != 0)
{
var length = command & 0x0f;
dataSource.CopyTo(output, length);
}
if ((command & 0xf0) != 0)
{
var length = ((command & 0xf0) >> 4) + 2;
var address = output.Address - source.Byte() - 1;
if (address < 0)
{
throw new IndexOutOfRangeException($"{nameof(address)} cannot be less than 0");
}
output.Branch(address).CopyTo(output, length);
}
}
var comp = source.GetBytes(dataSource.Address - startAddress, startAddress);
var decomp = output.GetBytes(output.Address, 0);
return(comp, decomp);
}
