A method and apparatus for verifying program code conversion performed by an emulator. A first emulator configured in a same-to-same (X-X) mode converts subject code into target code for execution by a subject processor. Execution of the subject code natively by the subject processor is compared against...http://www.google.com.tw/patents/US7793270?utm_source=gb-gplus-share專利 US7793270 - Method and apparatus for performing incremental validation of program code conversion