CENTRAL PROCESSING DEVICE AND OPERATION PROGRAM

摘要

A central processing device comprises an operating mode holding unit (312) holding one or more of a plurality of operating modes, an available instruction holding unit (313) holding an instruction corresponding to the operating mode held by the operating mode holding unit (312) as an available instruction, and an instruction executing unit (315) for adding a dynamically designated operating modes out of the operating modes to the operating mode holding unit (312), for setting an instruction corresponding to the added operating mode in the available instruction holding unit (313), and for acquiring firmware corresponding to the operating mode held in the operating mode holding unit (312) and used for executing the instruction from the outside.