ROM cartridge that plugs between the computer and RAM pack, printer, etc. The toolkit portion contains commands that will renumber, delete, generate, shorten, byte dump, search and replace and more. The graphics commands include: scroll up, down, left and right; invert screen; fill screen; turn background; define. The cartridge uses 12K to 16K block of RAM.
Also available as a cassette for those who have a Hunter board or 64K RAM pack.