The CR-78 is a computerized rhythm machine whose rhythms are controlled by the resident computer through internally stored programs. Rhythms other than stored can be programed as desired by using the built-in expansion ROM and RAMs. Sequential program order is outlined in the flow chart and the timing diagram shows relationship among principal, circuits waveforms. ( see previous page ) The following description is composed of two sections: General Introduction and Detailed Function. Title numbers refer to those in flow chart.