CC2 maps are stored on disk in a binary format with an FCW file extension. Each individual file consists of a header followed by a copy of the database of entities that make up the map. With this knowledge in hand, the best place to find out about the file format is the XP toolkit. The XP toolkit. The toolkit is filled with many different files for both assembly language programmers and for C programmers. Since the C files are not complete, we'll look at the assembly language files. The CPY files are the assembly files. Inside the CPY files we find the blueprints for the FCW file. But, just like real blueprints, it takes some special knowledge to understand them. Looking at the HEADER.CPY file we see what comprises the file header: |