The present invention relates to a dynamic hardware tracer for use in a circuit. The circuit is comprised of real circuitry which performs a real function and the tracer. The tracer is comprised of functional tracer circuitry which receives input signals from the real circuitry and processes the input...http://www.google.fr/patents/US5212728?utm_source=gb-gplus-shareBrevet US5212728 - Dynamic trace elements
