| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the number of commands sent to an electric component control means from a game control means to ensure the reception of a command in the electric component control means. Ž<P>SOLUTION: A display control means uses a command receiving buffer in the ring buffer type as a command receiving buffer for storing a display control command received from a main substrate equipped with the game control means. The command receiving buffer is composed of a plurality of receiving command buffers. Then, a command receiving number counter to indicate where to store a received command is used. Even if the process to read data from the command receiving buffer delays, no command receiving buffer is overwritten by a newly received command and no command from the game control means is lost. In addition, as the type of commands from the game control means to each of other control means is commonly used, the number of commands can be reduced. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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