It also maintains an instruction cache for improved performance by storing the "micro operations" of the original x86 system (which can be fetched later without the overhead of decoding).
Along with reduction of transaction costs, notably for micro payments, FPS makes it possible and easy to define a customized charging model using a capability called payment Instruction.
The flexible BIOS structure provides instruction stream to micro-processor, meanwhile program the components in the soft environment to create the test scenarios.