| 摘要 |
PURPOSE:To prevent to the utmost such inconvenience as a range taken by a random number value of a random number generating means must be enlarged in connection with a fact that the number of display states of plural kinds which a variable display device can derive and display as a result of display becomes large. CONSTITUTION:A picture pattern which a variable display device can display is classified into plural blocks, and first of all, one block is determined by referring to a picture pattern block combination table 22, based on the count value of a random counter A, and subsequently, in which picture pattern of the picture patterns contained in its determined block the machine is stopped is determined beforehand by referring to a stop picture pattern combination table 23, based on the count value of a random counter B. |
