Just a trivia: I've just bought the Konami arcade game "Haunted Castle", and the SCC on it is exactly the same as Konami used in MSX cartridges. Pictures and details are at: http://www.msxnet.org/tech/SCC.html d-fader: I've just added your e-mail address to the page (for providing the information on what your SCC chips read. Is that OK or should I remove / change your e-mail address? Sean -- For info, see http://www.stack.nl/~wynke/MSX/listinfo.html