32. A combination as in claim 31, wherein said tape controller further comprises motor controller means for driving said tape means, and command decoder and sequential network means responsive to the signals on said command bus and selectively enabled by said selector bus for controlling said tape driving means and said down counter.
32. A combination as in claim 31, wherein said tape controller further comprises motor controller means for driving said tape means, and command decoder and sequential network means responsive to the signals on said command bus and selectively enabled by said selector bus for controlling said tape driving means and said down counter. 33. A combination as in claim 32, further comprising status buffer gate means connected to said motor controller means and said command decoder and sequential network means for selectively supplying tape controller status information to said input bus.