| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of releasing a bus if the bus is occupied by a group unit controller. SOLUTION: The game machine includes: a game controller for integrally controlling the game; and a presentation controller capable of controlling a plurality of presentation devices for presenting the game based on commands from the game controller. The game machine further includes: the group unit controller for controlling grouped presentation devices; a group integral controller for integrally controlling the respective group unit controller; timing signal lines for transmitting timing signals from the group integral controller to the group unit controller; and a data line for transmitting/receiving data between the group integral controller and the respective group unit controller. The group integral controller includes: an occupation determiner for determining whether or not the data line is occupied by the group unit controller; and an occupation releasing command means for transmitting a command to release the occupation via the timing signal line if the data line is occupied. COPYRIGHT: (C)2011,JPO&INPIT
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