Appendix J 65V Monitor command summary The OS-65V Monitor responds to the following keys: 0-9,A-F Hex digits . Change to Address Mode / Change to Data Mode G Go to address shown on screen and execute code there RETURN Increment address (only in Data Mode) L Transfer control to audio cassette/serial line. This command enters the Data Mode, ignores the keyboard and listens only to the cassette port (if present). To transfer control back to the keyboard, press reset or load $00FD with a $00 via tape.