split.exe Extracts data from a Sonic 1 ROM and places it in folders for convenient editing. Written by Nemesis. derecmp.exe Decompresses all compressed data. Also recompresses it (disabled by default ...

Why? It didn't exist. Many tools exist for the 16-bit Sonic the Hedgehog, but I belong to the small, quiet group who will always prefer the 8-Bit Sonic 1; for what it lacked in big 16-bit graphics ...