This tool will analyze WPC ROM image and extract information from it. It will also determine if the ROM contains an old or an updated lamp matrix driver code. If the ROM has the old code, the tool will patch the ROM, update the game version, and make a patched version of the ROM ready for download. It will recalculate and update the checksum as well. Drag and drop any WPC/WPC95 ROM file here or click anywhere in this box to select the file manually. This tool uses John Honeycutt's code for patching the ROM. With the new driver code, it is possible to eliminate LED ghosting problem present in the machines built prior to 1996.