| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique related to an input means capable of reducing an input failure. SOLUTION: This information display device of a game machine is provided with: a retaining means retaining code information indicating a code selected by an operator; an updating means updating the code information retained by the retaining means according to the selection of the code by the operator; and a display control means displaying information of the game machine where an identifier corresponding to the code information retained by the retaining means is assigned, on a display means according to the selection settlement by the operator. This device is further provided with a storage means storing non-registered identifier information showing identifiers non-assigned to game machines, a collation means collating the updated code information with the non-registered identifier information stored in the storage means when updating the code information by the updating means, and a processing means executing a process according to the collation result of the collation means. COPYRIGHT: (C)2008,JPO&INPIT
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