Ethan wrote: > Nice... I don't have any SC/MP chips, but I do have some INS8073s, > which should be an SC/MP chip, but with Tiny Basic in ROM. The INS8070 is essentially a SC/MP III, though National didn't call it that. IIRC, it's not quite compatible with the SC/MP II (INS8060). The INS8073 is the version of the INS8070 with 2.5K "NIBL BASIC" in ROM. Eric