| 摘要 |
PROBLEM TO BE SOLVED: To change a pattern variation direction and a pattern stop order by allowing a player to intervene therein. SOLUTION: CPU 1020 variably displays patterns by changing the pattern variation direction and the pattern stop order according to signal formation by variation direction change button 1500 and a stop order change button 1510 so that the player can intervene therein and change the pattern variation display direction in rich change modes.
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