| 摘要 |
The present invention provides a technique of executing a suitable file from plural files of the same type. In a game apparatus, a ROM medium with game data recorded therein is loaded into a drive device. A patch file acquisition unit acquires a patch file for the game data, and stores the patch file in a HDD. The ROM medium and the patch file respectively include boot files for initiating a main program. Am execution processor loads into the memory, the boot file having newer version information, and executes a boot sequence. The execution processor does not execute the boot sequence, when the ROM medium is not loaded into the drive device, and executes the boot sequence, as a condition that the ROM medium is loaded into the drive device.
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