The cover of the last issue of this Journal (11-1) was graced by a photo and block diagram of the RTI-1200, the progenitor of an extended family of microcomputer-compatible input/output subsystems. The RTI-1200 "real-time interface" is functionally, electrically, and mechanically compatible with the Intel SBC 80 microcomputer; in software, its functions are mapped on up to 16 selectable 1k blocks of computer memory-space. Read full article