Patent ID: 7053585

Claim:
A gaming machine comprising: a reel on which a plurality of symbols are formed; a stepping motor for rotating and stopping the reel, the stepping motor rotating with a predetermined step angle per one step; a motor control device for controlling rotation and stop of the stepping motor; and a first lottery device for determining a winning mode of a game by a random number lottery process when the game is executed: wherein the motor control device selectively conducts one of first step control in which the predetermined step angle is divided into a plurality of first step angles and the stepping motor is driven based on the first step angle and second step control in which the predetermined step angle is divided into a plurality of second step angles each of which is different from the first step angle and the stepping motor is driven based on the second step angle, wherein the motor control device selects the first step control or the second step control based on a lottery result through the first lottery device, and wherein the motor control device selects the first step control when a special gaming state producing a special benefit occurs based on the lottery result through the first lottery device and selects the second step control when the special gaming state does not occur based on the lottery result through the first lottery device.