INFORMATION PROCESSOR

PROBLEM TO BE SOLVED: To provide a technology to be suitably applied to integrated equipment for improving the executing speed of content, and for achieving low power consumption. SOLUTION: A portable telephone 101 includes: a memory 117 for storing a subroutine management table 203 to manage kinds of existing codes out of native code 131, first code 119 and second code 121 for a plurality of subroutines contained in content; a virtual machine 153, a pre-compile circuit 173 for producing the second code 121 from the first code 119; and a subroutine management circuit 171 for changing over processing in accordance with the kind of existing code for subroutine called up during execution of content 107. The subroutine management circuit 171 judges kind of existing code with reference to the subroutine management table 203 when the processing is changed over. COPYRIGHT: (C)2009,JPO&INPIT