Data processing apparatus

摘要

A programmable circuit and method for a data processing apparatus is provided that allows an entire instruction or instruction set to be modified. According to the present invention, the instruction can be modified, for example, during initialization or execution. The programmable circuit for a data processing apparatus can include a plurality of functional units, each functional unit performing a set of prescribed operations. A programmable circuit that is capable of modifying an entire instruction. A controller that decodes a current instruction to perform a corresponding instruction task using the plurality of functional units and a communications device coupling the functional units, the programmable circuit and the controller.