write signal on another, but even I don’t know why anyone would want to do this! Two
LEDs have been added for the benefit of those who, like me, feel that computers
should have flashing lights on them – these are handy for checking that the circuit is
actually operating, when your program to use it seems not to be working....
References:
The full definition of the
Gemini 80 bus
can be found in INMC-80, No. 4, pages 24-30
The original Nasbus is defined in Nascom Document PF/007 Issue No. 1.
Diagram 2: Board Modifications
