| 摘要 |
The present invention provides an information processor and an information processing method, which reduces the memory capacity and utilizes a free space in a memory area as a cache area for EPG. This information processor includes a program obtaining means 5, a program storage means 2 which has plural storage areas, a program execution means 13, a selection information updating means 11 that stores execution memory information indicating a storage area which contains a program to be executed by the program execution means 13, compression information which indicates compression states of programs stored in the storage areas, and memory relation information which indicates the relation of the plural storage areas, a program execution area switching means 4 for selecting one of the storage areas on the basis of the execution memory information, a storage area switching means 3 for selecting one of the storage areas on the basis of the information in the selection information updating means 11, a program writing means 6, a program compression means 7, a program restoration means 12 for restoring a program which has been compressed by the program compression means 7, and a memory information updating means 8 for updating information stored in the selection information updating means 11.
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