JP6283833B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine such as a slot machine or a pachinko machine.

  Conventionally, an internal lottery that determines a winning combination from a plurality of winning combinations by operating a start lever with a medal bet, a plurality of reels starts rotating, and a plurality of reels are operated by operating a stop button. There is known a slot machine in which medals are paid as a payout for a winning combination when the winning combination in the internal lottery is stopped.

  Many slot machines currently available are equipped with bonus games. For example, in a BB game (big bonus game), an RB game (regular bonus game) is started when a predetermined symbol combination is stopped and displayed on the winning line. The RB game is a gaming state in which the winning probability of the small role corresponding to the payout of medals increases, and is a gaming state that is more advantageous to the player than the normal gaming state.

  In addition, a gaming machine in which a plurality of types of RB games started during the BB game are provided to improve the gameability of the BB game has been proposed. For example, an RB game with a relatively high payout rate and an RB game with a relatively low payout rate are selectively started by lottery during the BB game.

JP2011-101671A

  However, when the RB game is started when the symbol combination related to the RB role that triggers the start of the RB game is stopped and displayed on the winning line, the player presses the stop button for a specific symbol. It was a heavy burden for a player with a low level of skill.

  For this reason, it is conceivable to design a gaming machine so that the symbol combination related to the RB role can be easily stopped and displayed on the winning line, but clears the requirements for the ease of winning the RB role defined in the game rules. It was difficult to realize.

  The present invention has been made to solve such a problem, and while satisfying the requirements related to the ease of winning the RB role, the player has less burden to win the RB role, and there are a plurality of types. It is an object of the present invention to realize a gaming machine including a BB game rich in gameability in which the RB game can be started.

  Means employed by the present invention to solve the above problems will be described below. In order to facilitate the understanding of the present invention, the contents of the examples and the reference numerals of the drawings are added in parentheses for convenience in the following, but this does not mean that the present invention is limited to the display form. .

  The gaming machine of the present invention includes a start instruction means (12, Sa503) for instructing the start of a game, and an internal lottery means (Sa504) for determining one lottery object from a plurality of lottery objects in accordance with the start of the game. ), A variation display means (Sa505) for variably displaying symbols using a plurality of display rows (R1 to R3) in which a plurality of symbols are arranged, and a stop instruction means for instructing to stop the variation display of symbols ( 13a to 13c), and in response to an instruction to stop the change display of symbols by the stop instruction means, the lottery object determined by the internal lottery means within a predetermined time range (190 ms) from the timing when the stop is instructed. Stop control means (Sa506) for stopping the variable display of the symbols in the corresponding display row so that the symbols constituting the symbol combination relating to the winning combination are displayed on the winning line (L1). ) And a winning determination means (Sa507) for determining the winning combination when the symbol combination stopped on the winning line corresponds to a predetermined winning combination, and the number of medals corresponding to the winning combination determined by the winning determination means The medal paying means (Sa508) for paying out the game, and the game state according to the result of the winning determination means, the normal game state (normal, normal game state) and the first special game state (BB general, BB game state) State transition means (Sa509) for transitioning between the second special gaming state (in RB operation, RB game state), and the internal lottery means applies the first special to a plurality of lottery objects in the normal gaming state. The lottery object associated with the combination (BB combination) is included, and the lottery objects associated with the second special combination (RB combination) are included in the plurality of lottery objects in the first special gaming state. Game state The game state is shifted to the first special game state in accordance with the determination of the first special combination winning by the winning determination unit, and the second special combination is won by the winning determination unit in the first special gaming state. In accordance with the determination, the gaming state is shifted to the second special gaming state, and the winning determination means is the second special for at least two kinds of symbol combinations (“BAR1-BAR1-BAR1”, “BAR2-BAR2-BAR2”). The winning combination is determined, and each display row in the variation display means is stopped within a predetermined time range from the timing when the stop is instructed, regardless of the timing of the instruction to stop the variable display of the symbols by the stop instruction means. Special symbols ("BAR1" symbol, "BAR2" symbol) composing each symbol combination related to the second special role are arranged at intervals of symbols so that they can be displayed on the winning line. And the second special combination that can be formed on the winning line by each display column in the first special gaming state with respect to the total number of all symbol combinations (8000) that can be formed on the winning line by each display column (8000). Special symbols are arranged with the number of symbols such that the first ratio as the ratio of the total number (128) of symbol combinations related to (RB combination) does not exceed the first threshold (10/500).

  By configuring in this way, it is possible to win each RB regardless of the timing of the stop operation in a situation where there are two types of RB combinations and each RB combination is won.

  In the above gaming machine, each display row (R1 to R3) in the variation display means (Sa505) is arranged with 20 symbols, and each of the 20 symbols is received by the winning determination means (Sa507). Special symbols (“BAR1” symbol, “BAR2”) that make up each of the two types of symbol combinations (“BAR1-BAR1-BAR1”, “BAR2-BAR2-BAR2”) for which the winning of the special role (RB role) is determined Special symbols may be arranged in the number of symbols that include four symbols) and the first ratio does not exceed 10/500.

  In the above gaming machine, the internal lottery means (Sa504) includes a lottery object associated with the second special role (RB role) in a plurality of lottery objects in the normal gaming state (normal, normal game state), and is displayed in a variable manner. Each display row (R1 to R3) in the means is formed on the winning line by each display row in the normal gaming state with respect to the total number of all symbol combinations (8000) that can be formed on the winning line (L1) by each display row. The special symbol (“BAR1” is the number of symbols such that the ratio of the total number (2) of the symbol combinations related to the second special role that can be performed does not exceed the second threshold (1/500) smaller than the first threshold. ”Symbol,“ BAR2 ”symbol) may be arranged.

  With this configuration, even when the RB combination can be won in the normal game state, the RB can be won regardless of the timing of the stop operation.

  In the above gaming machine, each display row (R1 to R3) in the variation display means (Sa505) is arranged with 20 symbols, and each of the 20 symbols is received by the winning determination means (Sa507). Special symbols (“BAR1” symbol, “BAR2”) that make up each of the two types of symbol combinations (“BAR1-BAR1-BAR1”, “BAR2-BAR2-BAR2”) for which the winning of the special role (RB role) is determined Special symbols may be arranged in the number of symbols that includes four symbols) and the second ratio does not exceed 1/500.

  According to the present invention, while satisfying the requirements related to the ease of winning the RB role, the player's burden for winning the RB role is small, and a plurality of types of RB games can be started. A gaming machine with a BB game can be realized.

2 is a perspective view showing an overview of the slot machine 1 according to the embodiment of the present invention. FIG. It is explanatory drawing which shows the structure of the reel variable display apparatus RL. (A) is explanatory drawing which shows arrangement | positioning of the symbol printed on reel band 58a-58c, (B) is explanatory drawing which shows the relationship between the position of the symbol displayed in the reel window 20, and the winning line L1. . 2 is a block diagram showing an electrical configuration of the slot machine 1. FIG. It is a flowchart which shows the flow of the process which concerns on one game. (A) is an internal lottery table in the normal game state (during normal), (B) is an internal lottery table in the BB game state (in general during BB), and (C) is an internal lottery table in the RB1 game state (RB1 operation) (M) and (D) are explanatory diagrams showing the configuration of the internal lottery table (RB2 in operation) in the RB2 game state. It is explanatory drawing which shows the structure of a stop table. It is explanatory drawing which shows the structure of a combination structure table. (A) is an internal lottery table in the normal game state according to the modified example (during normal), (B) is an internal lottery table in the BB game state according to the modified example (in general BB), and (C) is a modified example. RB1 game state internal lottery table (when RB1 is operating), (D) is an explanatory diagram showing the configuration of the RB2 game state internal lottery table (RB2 is operating) according to a modification. It is explanatory drawing which shows the structure of the hand structure table which concerns on a modification.

<1. Definition of terms>
Terms used in this specification will be described below.

  The “variable display device” refers to a display device that includes a plurality of display columns each composed of a plurality of symbols and variably displays the symbols of each display column. When the display row is composed of reels, the symbols arranged on the reels are variably displayed by rotating the reels. When the display row is composed of a display image by a liquid crystal display or the like, the design as the display image is variably displayed by changing the content of the display image.

  The “reel window” means that a player can visually recognize a part of a plurality of symbols constituting a plurality of display rows included in the variable display device.

  “Stop display” means that when the variable display of the symbols in the display row by the variable display device is stopped, a part of the plurality of symbols on the display row becomes visible to the player through the reel window.

  “Game media” refers to medals or game balls used in gaming machines. Information indicating the number of game media electrically or magnetically stored in the gaming machine is called “credit”, and the number is called “credit number”.

  “Bet” refers to setting a game medium necessary to start a game. The betting game medium is consumed at the start of the game. The set number of game media is called “the number of bets”.

  “Game” means that in the process of playing a gaming machine, the variable display device starts variable display of the display row triggered by the operation of the start lever until the processing based on the result of the winning determination is completed. A series of processing. “One game” and “one game” refer to one time of the series of processes.

  The “start lever” refers to a device that a player operates to instruct the start of a game.

  “Internal lottery” refers to determining, by lottery, a winning combination of one or a plurality of winning combinations or a winning combination that does not win any winning combination from a plurality of predetermined winning combinations with the start of the game.

  “Combination” is a minimum unit to be won in the internal lottery and refers to a symbol combination associated with a predetermined privilege. One symbol is associated with one or more symbol combinations, and when the symbol combination corresponding to the symbol is stopped and displayed on the winning line, a privilege corresponding to the symbol is given. Depending on the type of privilege, the type of a bonus is a bonus combination that shifts to a gaming state that is more advantageous than the normal gaming state by winning a prize, a small role that pays out a predetermined number of game media, and the number of bets in the previous game It is roughly divided into re-game players who bet again without subtraction. The replay is also called “replay”.

  “Winning” means that, as a result of the internal lottery, one or more winning combinations are determined as winning combinations.

  “Lose” means a state in which no combination is determined as a winning combination as a result of the internal lottery.

  The “stop button” refers to a device that a player operates to instruct the variable display device to stop the variable display of the symbols in the display row. A plurality of stop buttons respectively corresponding to a plurality of display columns are provided in the gaming machine.

  “Winning” means that the symbol combination corresponding to the winning combination is stopped and displayed on the winning line. The “winning line” is a combination of predetermined symbol display positions that are targets for determining a winning combination, and the winning determination changes from an invalid state to an effective state according to a bet.

  The “lottery table” refers to a table that defines a correspondence relationship between a combination and a lottery probability, or a content equivalent thereto, and is used for internal lottery processing.

  The “stop table” is a table that defines how to stop and display the symbols in the display column when the stop button is operated, and is used for reel stop control.

  The “comb composition table” refers to a table that defines a correspondence relationship between a combination and a symbol combination related to winning, and is used for winning determination processing.

  “Push order” refers to the operation sequence of the stop buttons. “Sequential press” refers to operating the stop buttons in the order of left, middle, and right. “Reverse press” refers to the right, It means that the stop button is operated in the order of middle and left.

  The “normal game (state)” is a gaming state in which a bonus game (for example, an RB game or a BB game) is not operating. The “RB game (state)” is a gaming state in which the first-type special combination is activated, and is a gaming state in which a winning combination of a small combination is higher than that in a normal game. The “RB combination” is a symbol combination that triggers the start of the RB game (that is, the game state is shifted to the RB game) by being stopped and displayed on the winning line. The “BB game (state)” is a gaming state in which the continuous action device for the first type special feature is activated, and a gaming state in which the winning probability of the RB role is higher than that in the normal game. is there. The “BB combination” is a symbol combination that triggers the start of the BB game (that is, the game state is shifted to the BB game) by being stopped and displayed on the winning line.

  Hereinafter, a gaming machine according to the present invention will be described by taking a slot machine as an example.

<2. Appearance configuration of gaming machine>
FIG. 1 is a perspective view showing an overview of a slot machine 1 according to an embodiment of the present invention. The slot machine 1 includes a box-shaped main body 2 having an open front surface and a front door 3 disposed on the front surface of the main body 2. The main body 2 and the front door 3 can be opened and closed by a hinge on one side. The front door 3 is provided with an operation unit OP in which buttons for players to play a game, a reel window 20 for visually recognizing symbols of the reels R1 to R3 included in the reel variable display device RL, and information relating to the progress of the game It is composed of a panel display unit DP on which display devices for display are arranged, a liquid crystal display device for displaying information relating to the progress of the game, an effect display unit TP on which an illumination device is arranged, and a saucer unit BP. .

  In the operation unit OP, a medal slot 10 is disposed on the right side of the upper surface of the operation unit OP, and a bet button 11 is disposed on the left side of the upper surface. A bet can be placed on the slot machine 1 by inserting a medal into the medal slot 10 or operating the bet button 11. A start lever 12 for instructing the start of the game is arranged on the front side of the lower position of the bet button 11, and a left stop button 13a for instructing to stop the rotation operation of the left reel R1 is provided on the right side thereof. The middle stop button 13b for instructing the stop of the rotation operation of the reel R2 and the right stop button 13c for instructing the stop of the rotation operation of the right reel R3 are arranged, and the basic operation order for proceeding with the game is obtained. A series of operations such as the bet button 11, the start lever 12, the left stop button 13a, the middle stop button 13b, and the right stop button 13c can be easily performed.

  On the left side of the start lever 12, a payment button 14 for paying out credits and paying out medals to the medal tray 40 is arranged. This checkout button 14 is used when the game is stopped, and is arranged at a position out of the flow of the above series of operations so that the operation frequency is low and the operation is not mistaken during the game.

  Further, the operation unit OP includes a lending button 15 used when a medal lending machine is connected to the slot machine 1, a return button 16 for returning a prepaid card or cash inserted in the medal lending machine, and a lending of the medal lending machine. A frequency indicator 17 is provided to display possible frequencies. In this way, when a medal lending machine is connected to the slot machine 1, the operation of the medal lending machine by the operation of the lending button 15 and the return button 16 of the slot machine 1 and the frequency by the frequency display 17. The display is performed by controlling the medal lending machine.

  The panel display portion DP is provided with a reel window 20 made of a transparent acrylic plate, in which three consecutive symbols can be seen for each reel, and nine symbols can be viewed with three reels. A horizontal winning line L1 is formed. On the left side of the reel window 20, a winning line indicator 21 corresponding to the winning line L1 is provided. When three medals are inserted, the winning line indicator 21 corresponding to the winning line L1 is turned on.

  As a result of the game, when the symbol combination corresponding to the winning combination is displayed on the winning line L1, the winning combination is won, and the winning line display 21 corresponding to the winning line L1 is flashed to notify the player. It has become. Further, on the right side of the reel window 20, there is provided a game guide display 22 in which an indicator that is turned on when a winning combination is won, and an LED that is turned on in accordance with the game state. Further, on the lower side of the reel window 20, a credit number display 23a for displaying the number of credits, an acquired number display 23b for displaying the number of acquired medals in a specific gaming state, and a medal given when a winning combination is won. It has a game value information display unit 23 comprising a payout number display 23c for displaying the number.

  The effect display unit TP has a liquid crystal display device 30 that displays the progress of the game as an image, an electric LED 31 that changes the color and lighting pattern according to the progress of the game, and changes according to the progress of the game. A speaker 32 for outputting an operation sound corresponding to the BGM to be performed and a button operation and a guide sound is disposed.

  The medal tray BP is provided with a medal tray 40 for storing medals discharged from the medal payout opening 40a by driving the medal payout device, and an ashtray is provided on the left side of the medal tray 40.

(1) Configuration of Reel Variable Display Device FIG. 2 is an explanatory view showing the structure of the reel variable display device RL of the slot machine 1. 2A shows the entire structure of the reel variable display device RL, and FIG. 2B shows the detailed structure of the right reel R3.

  The reels R1 to R3 are made of transparent ABS resin or the like, and are affixed to the reel frames 56a to 56c composed of a plurality of spoke portions and an annular frame extending radially from the shaft portion, and the peripheral surfaces of the reel frames 56a to 56c. It is composed of reel bands 58a to 58c on which 21 various symbols (symbol numbers PN: 1 to 21) are printed.

  The reels R1 to R3 are fixed to the stepping motors 54a to 54c and rotate. For the rotation operation of the reels R1 to R3, stepping motors 54a to 54c that rotate once by supplying pulses of 504 steps are used, and predetermined symbols are stopped and displayed on the reel window 20 by supplying predetermined pulses. be able to.

  Further, backlight devices 53a to 53c provided with LEDs (not shown) are provided so that light can be irradiated from the inside of the reel bands 58a to 58c. In this way, by irradiating light from the inside of the reel bands 58a to 58c by the backlight devices 53a to 53c, the player can make the symbols on the reel bands 58a to 58c stand out.

  In addition, the detection plates 57a to 57c are attached to one of the spoke portions, and the reel position detection sensors 55a to 55c can output one pulse of the reel position detection signals 155a to 155c for each rotation of the reels R1 to R3. It has become. The detection plates 57a to 57c and the reel bands 58a to 58 so that the symbol number PN = 1 is positioned on the winning line L1 in the center of the reel window when 12 steps are advanced after detecting the reel position detection signals 155a to 155c. The position 58c is set.

  In the variable reel display device RL, the reels R1 to R3, the stepping motors 54a to 54c to which the reels R1 to R3 are fixed, the backlight devices 53a to 53c, and the reel position detection sensors 55a to 55c are fixed to the base plates 52a to 52c, respectively. By doing so, it has a single unit configuration. Further, the reel variable display device RL is inserted into the case body 50 by inserting the base plates 52a to 52c along the guide rails 51a to 51c provided on the case body 50 of the reel variable display device RL. Yes.

  FIG. 3A is an explanatory diagram showing the arrangement of symbols printed on the reel bands 58a to 58c. Twenty symbols are printed at equal intervals on each of the left, middle, and right reels. Since stepping motors 54a to 54c that rotate once by supplying a pulse of 504 steps are used, when 20 symbols are arranged, the interval between symbols becomes 26 steps or 25 steps. Further, when 13 steps are advanced after detecting the reel position detection signals 155a to 155c, the symbol number PN = 1 is positioned on the winning line L1 at the center of the reel window, and the reel position detection signals 155a to 155c are detected. If step 39 is advanced, symbol number PN = 2 is positioned on winning line L1, if step 65 is advanced, symbol number PN = 3 is positioned on winning line L1, and if step 492 is advanced, symbol number PN = 20. Is located on the winning line L1. If the processing proceeds beyond step 492, the reel position detection signals 155a to 155c are detected again. Accordingly, a predetermined symbol can be positioned on the winning line L1 by the number of steps to be advanced with the timing at which the reel position detection signals 155a to 155c are detected as a base point.

  FIG. 3B shows a state in which the left reel R1 has advanced 442 steps from the reel position detection signal 155a. The upper “BAR1” symbol (symbol number PN = 19) and the middle “7” symbol (symbol number PN = 18) The “BAR2” symbol (symbol number PN = 17) is displayed at the bottom. In addition, the state where the reel position detection signal 155b is advanced 367 steps at the middle reel R2 is shown, the “bell” symbol (symbol number PN = 16) on the upper level, the “7” symbol (symbol number PN = 15) on the middle level, The “BAR1” symbol (symbol number PN = 14) is displayed. In the right reel R3, the state where the reel position detection signal 155b is advanced by 267 steps is shown, the “BAR2” symbol (symbol number PN = 12) in the upper row, the “7” symbol (symbol number PN = 11) in the middle row, A “bell” symbol (symbol number PN = 10) is displayed. These states are “7” symbol (left reel R1: symbol number PN = 18), “7” symbol (middle reel R2: symbol number PN = 15), “7” symbol (right reel R3) on the winning line L1. : Symbol number PN = 11) is lined up and indicates the winning state of the role “BB”. The configuration of the combination in the slot machine 1 will be described later.

<3. Electrical configuration of slot machine>
FIG. 4 is a block diagram showing an electrical configuration of the slot machine 1. The slot machine 1 includes a main control board 100A that performs the main control of the game, a display control board 100B that performs display control on the liquid crystal display and displays an image, and LEDs and sound effects of the panel display portion DP or the effect display portion TP. There is provided an electrical decoration control board 100C for controlling the above.

  The main control board 100A includes a central processing unit (CPU) 101, a clock generation circuit a102, a clock generation circuit b103, a read-only memory (ROM) 104, a random-access memory (RAM) 105, a data transmission circuit 106, and an input / output port. 107. Note that a CPU 101 incorporating a ROM or RAM can be employed. In that case, the external ROM 104 and RAM 105 need not be provided.

  The CPU 101 reads out the program stored in the ROM 104 based on the timing of the CLK signal generated by the clock generation circuit a102, and sequentially executes the program. When the power is turned on, the CPU 101 executes the main program from a predetermined address, and a predetermined address at the timing of the INTR signal generated by the clock generation circuit b103 different from the cycle of the clock generation circuit a102. Run the interrupt program starting with. Here, the timing of the INTR signal is, for example, 2 milliseconds.

  The CPU 101 stores various game information such as various flags and various counters in the RAM 105 in accordance with the execution of the program. Even when the power supplied from the outside is cut off, the RAM 105 retains stored information by the battery, and when the power is restored after that, the RAM 105 resumes from the state immediately before the occurrence of the power cut. The CPU 101 reads the state of various buttons and sensors via the input / output port 107 and drives various motors and LEDs.

  The bet operation instruction signals 111a to 111c, the start operation instruction signal 112, the stop operation instruction signals 113a to 113c, and the settlement operation instruction signal 114 are respectively a bet button 11, a start lever 12, and stop buttons 13a to 13c provided in the operation unit OP. , A signal output in response to the player operating the checkout button 14, and is detected by being input to the CPU 101 via the input / output port 107.

  The display control signals 123a to 123c are display signals to be displayed on the credit number display 23a, the earned number display 23b, and the payout number display 23c provided in the panel display unit DP, respectively, via the input / output port 107. Driven by the CPU 101.

  Each of the reel position detection signals 155a to 155c corresponds to each reel of the variable reel display device RL, and is a signal that is detected once every time the reel rotates once, and is input to the CPU 101 via the input / output port 107. . Each of the reel driving signals 154a to 154c is a stepping motor driving signal for driving the reels R1 to R3 of the variable reel display device RL, and is driven by the CPU 101 via the input / output port 107.

  The medal insertion signal 160 is a signal that is output when the medal insertion sensor provided in the medal detection device provided inside the front door 3 communicating from the medal insertion slot 10 detects the inserted medal. The data is input to the CPU 101 via the output port 107. The medal block signal 161 is a signal for driving a solenoid provided in the medal detection device, and is driven by the CPU 101 via the input / output port 107. The medal payout signal 162 is a signal output when a medal payout sensor provided in the medal discharge unit of the medal payout device detects a medal paid out by the medal payout device, and is output via the input / output port 107. Sent to the CPU 101. The payout drive signal 163 is a signal for driving a motor provided in the medal payout device, and is driven by the CPU 101 via the input / output port 107.

  The CPU 101 outputs various commands to the display control board 100B and the illumination control board 100C via the data transmission circuit 106. The illumination control board 100C receives various commands from the main control board 100A, and is provided to the winning line display 21, the game guide display 22, the lighting control of the illumination device by the illumination LED 31, and the reel variable display device RL. The lighting of the backlight devices 53a to 53c and sound such as BGM are output from the speaker 32.

  The display control board 100B includes a CPU (central processing unit) 191, a clock generation circuit c192, a clock generation circuit d193, a ROM (read-only memory) 194, a RAM (random-access memory) 195, a data input circuit 196, and a graphic LSI. A display circuit 197 including the peripheral circuits is provided.

  The CPU 191 reads the program stored in the ROM 194 based on the timing of the CLK signal generated by the clock generation circuit c192, and sequentially executes the program. When the power is turned on, the CPU 191 executes the main program from a predetermined address, and a predetermined address at the timing of the INTR1 signal generated by the clock generation circuit b193 different from the cycle of the clock generation circuit c192. Run the interrupt program starting with. Here, the timing of the INTR1 signal is, for example, 2 milliseconds.

  The strobe signal of the CPU 191 stores various game information such as various flags and various counters in the RAM 195 in accordance with the execution of the program. Further, an INTR2 signal is generated based on a strobe signal transmitted in synchronization with the data transmission timing from the data transmission circuit of the main control board 100A, and an interrupt program starting from a predetermined address is generated at the timing of the INTR2 signal. Run.

<4. Basic game processing>
A flow of processing related to one game in the slot machine 1 will be described with reference to FIG.

<4-1. Process flow>
(1) Medals Accepting Process When a medal is inserted into the medal insertion slot 10, the slot machine 1 accepts the inserted medal and takes it into the slot machine 1 or accepts the inserted medal in the medal tray 40. (Step Sa501).

  Specifically, when the bet number is 3 and the credit number is less than 50, when a medal is inserted into the medal slot 10, the CPU 101 takes the inserted medal into the slot machine 1 and inserts it. Add credits by the number of medals. When the bet number is 3 and the credit number is 50, when a medal is inserted into the medal insertion slot 10, the CPU 101 drives a solenoid provided in the medal detection device to insert the inserted medal into the medal tray 40. Return to

(2) Bet processing The slot machine 1 sets the number of bets necessary for the start of the game in accordance with the insertion of medals into the medal insertion slot 10, the operation of the bet button 11, or the winning of the re-gamer (step Sa502). ).

  Specifically, when a bet is less than 3, when a medal is inserted into the medal slot 10, the CPU 101 adds the bet number by the number of inserted medals. When the bet button 11 is operated when the bet number is less than 3, the CPU 101 subtracts the credit number and adds the bet number. Although details will be described later, when the re-gamer wins, the CPU 101 executes an automatic bet process for betting again the bet number bet on the game without subtracting the credit number.

(3) Lever Acceptance Processing The slot machine 1 starts the game when the start lever 12 is operated with three medals bet (step Sa503). Specifically, when the start lever 12 is operated with the bet number set to 3, the CPU 101 executes a game process after an internal lottery process described later. On the other hand, when the start lever 12 is operated with the bet number set to less than 3, the CPU 101 does not execute the game process after the internal lottery process.

(4) Internal lottery process As the game starts, the slot machine 1 determines information for deriving a game result by lottery (step Sa504). Specifically, when the start lever 12 is operated with the bet number set to 3, the CPU 101 executes an internal lottery process. Details of the internal lottery process will be described later.

(5) Reel Rotation Process After executing the internal lottery process, the slot machine 1 rotates each of the reels R1 to R3 in order to variably display the symbols arranged on the reel R (step Sa505). Specifically, the CPU 101 rotates each of the reels R1 to R3 by continuously supplying pulses to each of the stepping motors 54a to 54c after executing the internal lottery process. In the slot machine 1, the rotation of the reel R is started in accordance with the operation of the start lever 12, and then the stepping motor 54a is shifted to a constant speed rotation period at a speed of 80 rpm through an acceleration period by a predetermined acceleration. Pulses are continuously supplied to each of .about.54c.

(6) Reel Stop Processing The slot machine 1 stops the rotation operation of the reel R when the stop button 13 is operated during the rotation of the reel R (step Sa506). Specifically, when the stop button 13 corresponding to the rotating reel R is operated, the CPU 101 supplies a predetermined pulse to the stepping motor 54 to which the reel R corresponding to the operated stop button 13 is fixed. As a result, the rotation operation of the corresponding reel R is stopped. Details of the reel stop process will be described later.

(7) Winning determination process The slot machine 1 determines a winning combination based on the symbol combination stopped and displayed on the winning line L1 after all of the reels R1 to R3 are stopped (step Sa507). Specifically, after all of the reels R1 to R3 are stopped, when the CPU 101 determines that the symbol combination stopped and displayed on the winning line L1 is a symbol combination corresponding to the symbol, the winning combination is won. Determine what happened. Details of the winning determination process will be described later.

(8) Medal payout process The slot machine 1 executes a process of paying out medals in accordance with the winning combination (step Sa508). Specifically, the CPU 101 executes a process of paying out the number of medals previously associated with the winning combination determined by the winning determination process. Details of the privilege grant processing will be described later.

(9) State Transition Process The slot machine 1 executes a process for transitioning the gaming state in accordance with the winning combination (step Sa509). Specifically, the CPU 101 executes a process of shifting to a gaming state that is previously associated with the winning combination determined by the winning determination process. Details of the state transition process will be described later. After executing the state transition process, the slot machine 1 ends the process related to one game.

<4-2. Detailed explanation of each processing>
Details of each process relating to the above-described one-time game will be described.
(1) Details of Internal Lottery Processing Details of the internal lottery processing in the slot machine 1 will be described. The internal lottery process is a process for determining, by lottery, a winning of one or a plurality of roles or no winning of any of the predetermined roles, using the internal lottery table shown in FIG. Executed. The slot machine 1 has four types of lottery tables (normal, BB general, RB1 in operation, and RB2 in operation) shown in FIGS. 6 (A) to 6 (D), and an internal lottery according to the gaming state. A table is selected as appropriate. More specifically, when the gaming state is the normal game state, the internal lottery table (normally) shown in FIG. 6A, and when the gaming state is the BB game state, FIG. When the game state is the RB1 game state, the internal lottery table shown in FIG. 6C (when the RB1 is operating), the game state is the RB2 game state. In this case, the internal lottery table (RB2 in operation) shown in FIG. 6D is used for the internal lottery process. Each internal lottery table includes a plurality of correspondence relationships between one lottery value and one or more combinations. The lottery value indicates the lottery probability of the combination corresponding to the lottery value.

  In the internal lottery process, the CPU 101 acquires one random number value from a range of 0 to 65535 from a random number generator (not shown). Next, a corresponding lottery value is specified while sequentially comparing the acquired random value with a plurality of lottery values defined in the internal lottery table. Specifically, the CPU 101 compares the random value acquired from the random number generator with the first lottery value in the internal lottery table. As a result of the comparison, if the random value is less than the lottery value, the winning of the combination associated with the first lottery value is determined. If the random value is greater than or equal to the lottery value, the random value is compared with a value obtained by adding the second lottery value to the first lottery value. As a result of the comparison, if the random value is less than the total value of the first and second lottery values, the winning of the combination associated with the second lottery value is determined.

  In this way, the combination associated with the Nth lottery value when the random number value is repeated until the random value becomes less than the total value of the first to Nth lottery values is determined as the winning combination. For example, when executing the internal lottery process using the lottery table shown in FIG. 6A, when the random number value acquired from the random number generator is 2077, the random number value is the first lottery value. Since it is 300 or more, 1500 which is the second lottery value is added to this value. Since the random number 2077 is 1800 or more which is the total value of the first and second lottery values, 3000 which is the third lottery value is added to this. Since the total value of the first to third lottery values is less than 34800, the random value 2077 determines the winning of the “cherry” role associated with the third lottery value 3000.

(2) Details of Reel Stop Processing Details of the reel stop processing in the slot machine 1 will be described. When receiving the operation of the stop button 13 corresponding to the rotating reel R, the CPU 101 stops the corresponding reel R. This is repeated until all of the reels R1 to R3 are stopped. The slot machine 1 is controlled to stop the corresponding reel R within 190 ms from the timing when the operation of the stop button 13 corresponding to the rotating reel R is received. As described above, since the rotation speed of the reel R of the slot machine 1 is 80 rpm during the constant speed rotation period, the rotation amount of the reel R at 190 ms is 20 (the number of symbols on the reel) × 80 (1 minute) Per revolution) × (190 (ms) / 60 (seconds) × 1000)) = 5.067 (symbol). In other words, when the symbol (one symbol) located on the winning line L1 is subtracted when the stop button 13 is operated, a maximum of 4 is required between the timing when the operation of the stop button 13 is accepted and the reel R is stopped. The movement amount for the symbol is allowed. In this way, the CPU 101 stops the corresponding reel R within the range of the reel rotation amount for a maximum of four symbols from the time when the operation on the stop button 13 is performed. Further, when winning of any combination is determined by the internal lottery process, the CPU 101 draws the symbol combination related to the winning combination onto the winning line L1 within the range of the reel rotation amount for a maximum of 4 symbols. Thus, the reel R is stopped.

  For example, in the situation where the reels R1 to R3 are rotating and the winning of the “watermelon” role (design combination “watermelon-watermelon-watermelon”) is determined by the internal lottery process, the CPU 101, for example, in the left reel R1 When the left stop button 13a is operated at the timing when the “bell” symbol of symbol number PN = 8 is positioned on the winning line L1, the left reel R1 is continuously rotated by two symbols, and symbol number PN = 10. The left reel R1 is stopped so that the “watermelon” symbol is stopped and displayed on the winning line L1.

  Next, for example, when the middle stop button 13b is operated at the timing when the “bell” symbol of symbol number PN = 16 on the middle reel R2 is positioned on the winning line L1, the CPU 101 rotates the middle reel R2 by four symbols. The operation is continued, and the middle reel R2 is stopped so that the “watermelon” symbol of symbol number PN = 20 is stopped and displayed on the winning line L1.

  Next, for example, when the right stop button 13c is operated at the timing when the “7” symbol of symbol number PN = 11 on the right reel R3 is positioned on the winning line L1, the CPU 101 rotates the right reel R3 by two symbols. The operation is continued and the right reel R3 is stopped so that the “cherry” symbol of symbol number PN = 13 is stopped and displayed on the winning line L1. As a result of all the reels R1 to R3 being stopped, the “watermelon” symbol (left reel R1), the “watermelon” symbol (middle reel R2), and the “cherry” symbol (right reel R3) are stopped on the winning line L1. Is done.

  The reason why the “watermelon” symbol is not displayed on the winning line L1 in the right reel R3 even though the “watermelon” role is determined by the internal lottery process is that the right stop button 13c is operated in the right reel R3. This is because there is no “watermelon” symbol between the symbol position of symbol number PN = 11, which is the timing of the symbol, and the symbol number PN = 15 ahead of symbol number PN = 15. When the stop button 13 is operated at such timing, a predetermined symbol within a range of a maximum of four symbols from a symbol positioned on the winning line L1 at the timing when the stop button 13 is operated is won. Stop display on the line L1.

  The reel stop process in the slot machine 1 is realized using a stop table. In the stop table, at the timing when the stop button 13 is operated, the symbol number PN indicating the symbol positioned on the winning line L1, the number of sliding symbols indicating the rotation amount of the rotating operation to be continued until the reel R is stopped, and Are defined for each reel.

  FIG. 7 shows an example of the configuration of a stop table used in the reel stop process in the slot machine 1. This stop table is a stop table used when the stop button 13 is pushed forward when the winning of the “watermelon” role is determined by the internal lottery process.

  A reel stop process executed with reference to the stop table for realizing stop control in the case where the stop button 13 is pushed forward when the “watermelon” combination is won will be described below. When the left stop button 13a is operated at a timing when the “bell” symbol of symbol number PN = 8 is positioned on the winning line L1 while the left reel R1 is rotating, the CPU 101 refers to the stop table and refers to the left reel R1. The number of sliding symbols 2 corresponding to the symbol number PN = 8 is acquired, and the left reel R1 is stopped after the rotation operation is continued for the two symbols corresponding to the acquired number of sliding symbols. As a result, the left reel R1 is stopped at the timing when the “watermelon” symbol of symbol number PN = 10 is positioned on the winning line L1.

  Further, when the middle stop button 13b is operated at a timing when the “bell” symbol of the symbol number PN = 16 is positioned on the pay line L1 while the middle reel R2 is rotating, the CPU 101 refers to the stop table. The number of sliding symbols 4 corresponding to the symbol number PN = 16 of the reel R2 is acquired, and after the rotation operation is continued by 4 symbols that is the acquired number of sliding symbols, the middle reel R2 is stopped. As a result, the middle reel R2 is stopped at the timing when the “watermelon” symbol of symbol number PN = 20 is positioned on the winning line L1.

  In addition, when the right stop button 13c is operated at a timing when the symbol “PN” of “7” is positioned on the winning line L1 while the right reel R3 is rotating, the CPU 101 refers to the stop table to the right. The number of sliding symbols 2 corresponding to the symbol number PN = 11 of the reel R3 is acquired, and the right reel R3 is stopped after continuing the rotation operation for two symbols corresponding to the acquired number of sliding symbols. As a result, the right reel R3 is stopped at the timing when the “cherry” symbol of symbol number PN = 13 is positioned on the winning line L1.

  Even when each stop button 13 is operated at a timing other than the above, the stop table is similarly referred to, and the timing at which the stop button 13 is operated (positioned on the pay line L1 when the stop button 13 is operated). The number of sliding frames corresponding to the symbol number PN) is acquired, and the rotation operation of the reel R is continued for the acquired number of sliding frames, and the reel R is stopped. That is, in the reel stop process using the stop table, the amount of the rotation operation to be continued until the reel R is stopped is determined according to the number of sliding pieces of the reel R according to the operation timing of the stop button 13 predetermined in the stop table. It is determined.

  As described above, in the reel stop process of the slot machine 1, the symbol combination related to the winning combination determined by the internal lottery process is placed on the winning line L1 within the range of up to four symbols from the timing when the stop button 13 is operated. The reel stop process is executed so that the symbol combination related to the winning combination that is not displayed and stopped is not displayed on the winning line L1. Further, in the reel stop process of the slot machine 1, the number of bets, the winning state determined in the internal lottery process, the stop position of the stopped reel, the pressing order of the stop button 13, and the operation timing of the stop button 13 are the same. If there is, the reel R is always stopped at the same stop position. In order to realize this, the CPU 101 executes a reel stop process using a stop table configured by appropriately combining predetermined stop table element data according to the various conditions and states described above.

(3) Details of Winning Determination Process Details of the winning determination process in the slot machine 1 will be described. When all of the reels R1 to R3 are stopped, the CPU 101 executes a winning determination process for determining a winning combination based on the combination of symbols stopped and displayed on the winning line L1. FIG. 8 shows the structure of the winning combination table used in the winning determination process in the slot machine 1. In the winning combination table, for each winning combination, a correspondence relationship between a combination of symbols corresponding to the winning combination and a privilege (such as the number of medals to be paid out or a game state to be transferred) given to the player when the winning combination is defined. “ANY” indicates that any symbol may be used.

  The CPU 101 determines whether or not the symbol combination stopped and displayed on the winning line L1 matches any of the symbol combinations defined in the winning combination table. If the CPU 101 determines that it matches any of the symbol combinations defined in the symbol composition table, it determines that the symbol corresponding to the matching symbol combination has won, and any of the symbol combinations defined in the symbol composition table If it is determined that they do not match, it is determined that no winning combination has been won.

(4) Details of Medal Payout Processing Details of the medal payout processing in the slot machine 1 will be described. If the CPU 101 determines that the symbol combination corresponding to the small combination is stopped and displayed on the winning line L1 by the winning determination process, the CPU 101 executes a payout process for the number of medals corresponding to the small combination.

  A small role is a role associated with a payout of medals as a prize bonus. In the slot machine 1, a “watermelon” role, a “cherry” role, and a “bell” role correspond to 15 The number of medals is 10 pieces. In the medal payment process, the CPU 101 adds the number of medals corresponding to the winning small combination to the number of credits, or when the number of credits exceeds 50, drives the medal payout device to pay out to the medal tray 40.

  Further, when the CPU 101 determines that the symbol combination corresponding to the replay combination is stopped and displayed on the winning line L1 by the winning determination process, the CPU 101 executes the automatic betting process (gives replay). In the automatic bet processing, the same number as the number of bets for starting the immediately preceding game is set as the number of bets without inserting additional medals or reducing credits.

(5) Details of State Transition Processing When the CPU 101 determines that the symbol combination corresponding to the bonus combination is stopped and displayed on the winning line L1 by the winning determination process, the game state is changed to a state corresponding to the bonus combination. Execute the migration process.

  In the slot machine 1, the BB combination, the RB1 combination, and the RB2 combination are set as bonus combinations. The CPU 101 shifts the gaming state to the BB game in accordance with the winning of the BB combination in the normal game state, and shifts the gaming state to the normal game state in response to establishment of the BB game end condition in the BB game state. The BB game end condition in the slot machine 1 is satisfied when more than 360 medals are paid out after the BB game is started.

  The CPU 101 shifts the gaming state to the RB1 game in accordance with the winning of the RB1 role in the BB game state, and shifts the gaming state to the BB game in response to the completion of the RB1 game end condition in the RB1 game state. The RB1 game end condition in the slot machine 1 is satisfied when any of the following events occurs: 8 small role winnings, 12 game end, or BB game end since the start of the RB1 game To do.

  The CPU 101 shifts the gaming state to the RB2 game in accordance with the winning of the RB2 role in the BB game state, and shifts the gaming state to the BB game in response to the completion of the RB2 game end condition in the RB2 game state. The RB2 game end condition in the slot machine 1 is satisfied when any of the following events occurs: 8 small role winnings, 12 game end, or BB game end after the RB2 game is started To do.

<5. Symbol arrangement on reel>
The arrangement of symbols on the reels R1 to R3 in the slot machine 1 will be described with reference to FIG.

<5-1. RB symbol spacing>
As shown in the above-mentioned winning combination table (see FIG. 8), the symbol combination related to the winning of the RB1 winning in the slot machine 1 is “BAR1” symbol (left reel R1), “BAR1” symbol (medium reel R2) on the winning line L1. ), “BAR1” symbol (right reel R3).

  As shown in FIG. 3 (A), the “BAR1” symbols arranged on the left reel R1 are symbol numbers PN = 19, 14, 9, and 4, so that other “BAR1” symbols existing between adjacent “BAR1” symbols are present. The maximum number of symbols is 4.

  As described above, a movement amount of up to four symbols is allowed from the timing when the operation of the stop button 13 is accepted until the reel R is stopped. In other words, in a state where the RB1 combination is won by the internal lottery process, the “BAR1” symbol constituting the RB1 combination is reliably drawn on the winning line L1 in the left reel R1, regardless of the operation timing of the left stop button 13a. It is possible to stop at.

  The same applies to the “BAR1” symbols arranged on the middle reel R2 and the right reel R3, and the maximum number of other symbols existing between the adjacent “BAR1” is four symbols. That is, in the state where the RB1 winning combination is won by the internal lottery process, the symbol combination “BAR1-BAR1-BAR1” relating to the winning of the RB1 winning combination is surely placed on the winning line L1 regardless of the operation timing of each stop button 13. It can be pulled in and stopped.

  In addition, the symbol combination relating to the winning of the RB2 role in the slot machine 1 includes the “BAR2” symbol (left reel R1), the “BAR2” symbol (middle reel R2), and the “BAR2” symbol (right reel R3) on the winning line L1. It is. Regarding the “BAR2” symbols arranged on each reel R, the number of other symbols existing between adjacent “BAR2” symbols is four symbols at the maximum. Therefore, in the state where the RB2 combination is won by the internal lottery process, the symbol combination “BAR2-BAR2-BAR2” relating to the winning combination of the RB2 combination is surely placed on the winning line L1 regardless of the operation timing of each stop button 13. It can be pulled in and stopped.

<5-2. Number of RB symbols>
As shown in FIG. 3A, the number of “BAR1” symbols arranged on each reel R is four. Similarly, the number of “BAR2” symbols arranged on each reel R is four. Therefore, the total number of symbol combinations related to winning of the RB1 role is 4 × 4 × 4 = 64, and similarly, the total number of symbol combinations related to winning of the RB2 role is 4 × 4 × 4 = 64. Since the number of symbols arranged on each reel R is 20, the total number of all symbol combinations that can be stopped and displayed on the winning line L1 by each reel R is 20 × 20 × 20 = 8000.

Thus, with respect to the total number of all symbol combinations that can be stopped and displayed on the winning line L1,
The ratio of the total number of symbol combinations related to winning of the RB combination (RB1 combination, RB2 combination) is (64 × 2) / 8000. The slot machine 1 is designed so that this ratio does not exceed 10/500, which is a predetermined reference value as a requirement relating to the ease of winning the RB combination in the BB game state. In other words, in the slot machine 1, the ratio of the total number of symbol combinations related to winning of the RB role in the BB game state to the total number of all symbol combinations that can be stopped and displayed on the winning line L1 does not exceed a predetermined reference value. In the range, the number of types of RB combinations, the number of symbols arranged on each reel R, and the number of constituent symbols of the symbol combination related to winning of each RB combination arranged on each reel R are set.

<Modification>
<6. Modification>
Each of the above-described embodiments can be variously modified. Specific modifications are exemplified below. Two or more modes arbitrarily selected from the following examples can be appropriately combined within a range that does not contradict each other.

(1) Modification 1
In the slot machine 1 described above, the bonus combination that can be won in the normal game state is only the BB combination. However, even if the RB combination is included as a bonus combination that can be won in the normal game state, the present invention is preferably implemented. Can be done.

  In this case, for example, four types of lottery tables (normal, BB general, RB1 in operation, and RB2 in operation) shown in FIGS. 9A to 9D are used. When the game state is the normal game state, the internal lottery table (normally) shown in FIG. 9A is used for the internal lottery process. In this internal lottery table, in addition to the BB combination, an RB3 combination is set as a bonus combination that can be won. Since FIGS. 9B to 9D are the same as FIGS. 6B to 6D, description thereof is omitted.

FIG. 10 shows a winning combination table used in this case. In this combination composition table, a symbol combination (“7-7-Cherry”) is set as a symbol combination related to winning of the RB3 combination.
That is, the total number of symbol combinations related to the winning of the RB combination in the normal game state is 1 (the number of “7” symbols arranged on the left reel R1) × 1 (the “7” symbols arranged on the middle reel R2). Number) × 2 (the number of “cherry” symbols arranged on the right reel R3) = 2.

  Thus, the ratio of the total number of symbol combinations related to winning of the RB combination in the normal game state to the total number of all symbol combinations that can be stopped and displayed on the winning line L1 is 2/8000. The slot machine 1 in this case is designed so that this ratio does not exceed 1/500, which is a predetermined reference value as a requirement relating to the ease of winning the RB combination in the normal game state.

(2) Modification 2
In the slot machine 1 described above, the type of symbol combination related to winning of each RB combination is set to be one type, but is not limited thereto. For example, the present invention can be suitably implemented even if a plurality of types of symbol combinations are associated with a single RB winning combination.

  Thus, even when the symbol combination related to the winning of the RB role is set, the predetermined reference value as the requirement relating to the ease of winning of the RB role in the normal game state and the easy winning of the RB role in the BB game state The number of types of RB combinations, the number of symbols arranged on each reel R, and the symbols related to winning of each RB combination arranged on each reel R within a range that does not exceed a predetermined reference value as a requirement related to sex What is necessary is just to set each structural symbol number of a combination.

(3) Modification 3
In the slot machine 1 described above, the number of RB combinations to be won simultaneously by the internal lottery process is set to be one type, but is not limited thereto. For example, even if the internal lottery table is set so that at least a part of the lottery objects to be lottered by the internal lottery process includes a lottery object that allows multiple types of RB roles to win simultaneously, the present invention is preferably implemented. Can be done.

  Even in such a case, the number of types of RB combinations, the number of symbols arranged on each reel R, and the number of symbols placed on each reel R are within a range not exceeding a predetermined reference value as a requirement for the ease of winning the RB combination. The number of constituent symbols of the symbol combination related to winning of each RB combination to be arranged may be set.

(4) Modification 4
In the slot machine 1 described above, the symbol combinations related to winning of each RB combination are set with different symbols in each reel R, but this is not restrictive. For example, the present invention can be suitably implemented even if a symbol combination related to winning of each RB role is set so that some of the symbol combinations related to winning of a plurality of RB roles are the same.

  For example, the symbol combination related to winning of the RB1 role may be set as “BAR1-BAR1-BAR1”, and the symbol combination related to winning of the RB2 role may be set to “BAR2-BAR1-BAR2”.

  Moreover, although the same symbol is set for all symbols constituting the symbol combination related to winning of one RB combination, the present invention is not limited to this. For example, even if the symbol combination related to the winning combination of RB1 is set as “BAR1-BAR2-BAR3”, the present invention can be suitably implemented.

  Even in such a case, the number of types of RB combinations, the number of symbols arranged on each reel R, and the number of symbols placed on each reel R are within a range not exceeding a predetermined reference value as a requirement for the ease of winning the RB combination. The number of constituent symbols of the symbol combination related to winning of each RB combination to be arranged may be set.

DESCRIPTION OF SYMBOLS 1 ... Slot machine, 12 ... Start lever, 13a-13c ... Stop button, R1-R3 ... Reel, 20 ... Reel window, L1 ... Winning line, 30 ... Liquid crystal display device, 100A ... Main Control board, 101 ... CPU, 104 ... ROM, 105 ... RAM, 100B ... Display control board, 191 ... CPU, 194 ... ROM, 195 ... RAM

Claims (1)

Start instruction means for instructing the start of the game;
Internal lottery means for determining one lottery object from a plurality of lottery objects by lottery according to the start of the game;
Fluctuation display means for variably displaying symbols using three display columns in which a plurality of symbols are arranged,
A stop instruction means for instructing to stop the change display of the symbol;
In accordance with an instruction to stop the variable display of symbols by the stop instructing means, the symbol combination relating to the combination associated with the lottery object determined by the internal lottery means within a predetermined time range from the timing at which the stop is instructed Stop control means for stopping the variable display of the symbols in the corresponding display row so that the symbols constituting the symbol are displayed on the winning line;
A winning determination means for determining the winning of the combination when the symbol combination stopped on the winning line corresponds to a predetermined combination;
Medal paying means for paying out the number of medals corresponding to the winning combination determined by the winning determination means;
State transition means for transitioning the gaming state between the normal gaming state, the first special gaming state, and the second special gaming state according to the result of the winning determination means;
With
The internal lottery means includes a lottery object associated with the first special role in the plurality of lottery objects in the normal gaming state, and a second special role in the plurality of lottery objects in the first special game state. Including lottery objects associated with
The state transition means shifts the gaming state to the first special gaming state in accordance with the winning determination of the first special combination by the winning determination means in the normal gaming state, and the first special gaming state. And the game state is shifted to the second special game state in response to the determination of the winning of the second special role by the winning determination means,
Two winning symbol combinations, a first winning symbol combination and a second winning symbol combination, are set as winning symbol combinations determined by the winning determination means as the winning of the second special role,
The ratio of the total number of combinations of the first winning symbol combination and the second winning symbol combination to the total number of all symbol combinations that can be formed on the winning line by the three display columns does not exceed 10/500. As described above, in the gaming machine in which the symbols constituting the first winning symbol combination and the symbols constituting the second winning symbol combination are arranged in each display row,
20 symbols are arranged in each display column, and 4 symbols constituting the first winning symbol combination and 4 symbols constituting the second winning symbol combination are arranged at equal intervals. By
As a result of the lottery by the internal lottery means in the first special gaming state, in the game in which the lottery object associated with the second special role is determined, the stop instruction means instructs the stop of the variable display of symbols. Regardless of the order and timing, the stop control means displays the first winning symbol combination or the second winning symbol combination on the winning line within the predetermined time range from the timing when the stop is instructed. A gaming machine characterized by being made possible.