TimeMachine needs a specialized hardware probe connected via JTAG, if I'm not mistaken. The probe is powerful enough to record everything (registers, operations

TimeMachine needs a specialized hardware probe connected via JTAG, if I'm not mistaken. The probe is powerful enough to record everything (registers, operations, etc) in its memory without affecting the embedded device. Then you can replay the info however you want, in as much detail as you like. The feature here is more like software emulation, and it will really allow you to take the instruction pointer in reverse direction. Unlike TimeMachine which records in real time and let's you browse the recorded data as you wish, but after execution has occurred.