I/O Test

Unknown author (1967-10-01)

IO TEST is intended as a hardware testing and debugging aid for use with the PDP-6 and its associated input multiplexer (analog to digital converter) and output multiplexer (digital to analog converter). While all characters typed are echoed, only the following have any effect on the program' S operations: F, Y, W, V, B, E, D, S, nT, P A.