Nibbler 7400 4-bit custom CPU update

Steve at Big Mess o’ Wires posted an update on his Custom 4-Bit CPU: Enough with the vague design talk – here’s the circuit schematic for the Nibbler 4-bit CPU! Click the image to zoom in to a full size view. For simplicity, this version omits some details like bypass capacitors, clock generation, reset circuitry, etc. The […]