| 摘要 |
PROBLEM TO BE SOLVED: To provide game software to a user at a low cost. SOLUTION: In addition to a plurality of game machine programs (game software) P0 to P2, a game selecting program PS with which a user selects one of the game machine programs, is rewritably stored in a flash ROM 2. Further, decoding informations D0 to D3 for regulating several rules for address conversion during execution of the programs P0 to P3 is rewritably stored. After turning on a power source, a decoding part 13 carries out address conversion based upon the decoding information D3 correspondign to game selection program, and when the user selects one of the game machine programs P0 to P2, the address conversion is carried out based upon the decoding information correspondign to the selected game machine program. Accordingly, the user can select a desired one of the plurality of the game machine programs P0 to P2 so as to carry out the game. |
