JP5358663B2 - Authentication method for gaming machines and electronic devices - Google Patents

Description

  The present invention relates to a gaming machine such as a pachinko gaming machine, a sparrow ball gaming machine, a ball ball gaming machine such as an arrangement ball, and a revolving type gaming machine such as a slot machine installed in a gaming shop such as a pachinko shop. The present invention also relates to an authentication method for data transmission between control units in an electronic device including a plurality of control units.

Of the fraudulent acts that forcibly pay out medals, game balls, etc. (hereinafter referred to as “game media”) performed on gaming machines, regardless of the game, the main control unit that controls basic operations related to games Examples of the peripheral board on which the main control board is mounted and the peripheral board on which the peripheral unit that executes the rendering process and the like based on the control command from the main control unit are mounted include the following.
(1) Replacing an authorized main control board with an unauthorized main control board (2) A ROM storing a legitimate program executed by the CPU mounted on the main control board and an unauthorized program obtained by falsifying the above program are stored. (3) An illegal board (impersonated board) is provided between the main control board and the peripheral board, and the ROM of (2) above is replaced.

  In order to prevent such illegal acts, the conventional gaming machines include the following. For example, in the gaming machine described in Patent Document 1, the main control board generates a control command and transmits the control command to the sub-control board, and checks the control command transmitted by the first transmission means within a predetermined period. Second transmission means for transmitting the thumb as a state monitoring command at a predetermined timing. The gaming machine described in Patent Document 1 is transmitted within a predetermined period by the sub-control board comparing the checksum of the control command received within a predetermined period with the state monitoring command received at a predetermined timing. The correctness of the control command is verified. That is, the gaming machine described in Patent Document 1 attempts to prevent the illegal act by transmitting a state monitoring command for verifying the validity of the control command at a predetermined timing.

JP 2002-18095 A

  However, in the gaming machine described in Patent Document 1, a process of independently transmitting a state monitoring command at a predetermined timing is performed. Since the status monitoring command is a checksum of the control command transmitted within a predetermined period as described above, the status monitoring command and the normal control command are information that is remarkably different in data format or data amount. Therefore, in the gaming machine described in Patent Document 1, a person who performs an unauthorized act (hereinafter referred to as an unauthorized person) can easily know the transmission timing of the state monitoring command and can easily know the inspection timing for fraud detection. be able to. An unauthorized person who can know the transmission timing of the state monitoring command may acquire the state monitoring command and analyze the contents.

  In the gaming machine described in Patent Document 1, the checksum is added to the control command and transmitted. A communication error check is generally performed by adding the checksum to a control command and transmitting it. Similarly, in the gaming machine described in Patent Document 1, the checksum is added to the control command. However, this makes it easy for an unauthorized person to acquire a control command and analyze the contents of the state monitoring command in the gaming machine described in Patent Document 1. Specifically, as described above, an unauthorized person can easily know the transmission timing of the state monitoring command. For this reason, an unauthorized person who knows the transmission timing of the status monitoring command obtains the control command and its checksum within a predetermined period, and adds the control command to the control command by comparing the checksum with the status monitoring command. There is a risk that the contents of the checksum and the status monitoring command can be easily analyzed.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a gaming machine capable of preventing the above fraud and improving the security strength.

In order to solve the above problems, the present invention provides a main control unit (main control unit 110) that outputs a control command, a peripheral unit (peripheral unit 300) that performs processing based on the control command, and a subsequent stage of the peripheral unit. A gaming machine (gaming machine 1) comprising a provided rear stage control unit (second stage control unit 180),
The main control unit includes a command output unit (control command output unit 510) for outputting the control command, and a first check value for generating an error check value for checking the validity of the control command output by the command output unit. A test for generating control command information by adding the error check value generated by the generation means (error check value generation unit 520) and the first check value generation means to the control command output by the command output means A value adding unit (adding unit 560), and a first transmitting unit (transmitting unit 570) that transmits the control command information generated by the inspection value adding unit to the peripheral unit,
The downstream control unit receives control command information transmitted from the main control unit via the peripheral unit, and receives a receiving unit (receiving unit 610) for separating the control command and the error check value; Second check value generation means (error check value generation unit 620) for generating an error check value based on the control command received by the means, error check value received by the reception means, and the second check value generation The error checking value generated by the means is used to check the validity of the received control command, and the checking means (error checking unit 660) for generating an authentication result, and the checking means generated by the checking means A second transmission means (transmission unit 680) for transmitting the authentication result to the peripheral part,
The peripheral portion includes peripheral portion control means (sub CPU 120a) that performs processing based on the authentication result transmitted by the second transmission means,
Further, the first check value generation means includes a first storage means (storage unit 530) for storing check value generation information for generating the error check value, and a check value generation stored in the first storage means. A first calculation means (error check value calculation unit 540) for generating the error check value based on information, and a control command output this time by the command output means as the check value generation information based on a predetermined condition And a first information switching unit (information control unit 550) that switches between the error check value generated this time by the first calculation unit and stores the error check value in the first storage unit.

  According to the present invention, an error check value is generated based on pre-stored check value generation information for generating an error check value, and is output this time as the check value generation information based on a predetermined condition. By switching the control command and the error check value generated this time, selecting the check value generation information to be stored, and storing it as the check value generation information for generating the error check value from the next time on, It is difficult for an unauthorized person to analyze the relationship between a control command and an error check value added thereto. Therefore, even if an unauthorized person exploits a control command and an error check value added to the control command, it is possible to make it illegal. That is, according to the present invention, the security strength of the gaming machine can be improved by a simple method.

It is a front view which shows the external appearance structure of a gaming machine. It is a perspective view which shows the external appearance structure of the state which open | released the glass frame of the gaming machine. It is a perspective view which shows the external appearance structure of the back surface side of a game machine. It is a block diagram which shows the internal structure of a gaming machine. It is a block diagram which shows the structure regarding the authentication process of a main control part. It is explanatory drawing explaining the format of control command information. It is a block diagram which shows the structure regarding the authentication process of a back | latter stage control part. It is a figure which shows the classification of the control command transmitted to a production | presentation control part from the main control part. It is a figure which shows the flowchart in the main process by the main control part. It is a figure which shows the flowchart in the interruption process by the main control part. It is a figure which shows the flowchart in the special figure special electric control process by the main control part. It is a figure which shows the flowchart in the special symbol memory | storage determination processing by the main control part. It is a figure which shows the flowchart (1) in the control command transmission process by a main control part. It is a figure which shows the flowchart (2) in the control command transmission process by a main control part. It is a figure which shows the flowchart (1) in the main process by a back | latter stage control part. It is a figure which shows the flowchart (2) in the main process by a back | latter stage control part. It is a figure which shows the flowchart in the main process by an effect control part. It is a figure which shows the flowchart in the interruption process by an effect control part. It is a figure which shows the flowchart in the command analysis process 1 by an effect control part. It is a figure which shows the flowchart in the command analysis process 2 by an effect control part. It is a figure which shows the flowchart in the authentication result data analysis process by an effect control part. It is a figure which shows the flowchart (1) in the other example (modification 1) of the control command transmission process by the main control part. It is a figure which shows the flowchart (2) in the other example (modification 1) of the control command transmission process by the main control part. It is explanatory drawing explaining the other example (modification 1) of the format of control command information. It is a figure which shows the flowchart (1) in the other example (modification 1) of the authentication process by a back | latter stage control part. It is a figure which shows the flowchart (2) in the other example (modification 1) of the authentication process by a back | latter stage control part. It is a figure which shows the flowchart (1) in the other example (modification 2) of the control command transmission process by the main control part. It is a figure which shows the flowchart (2) in the other example (modification 2) of the control command transmission process by the main control part. It is explanatory drawing explaining the other example (modification 2) of a format of control command information. It is a figure which shows the flowchart (1) in the other example (modification 2) of the authentication process by a back | latter stage control part. It is a figure which shows the flowchart (2) in the other example (modification 2) of the authentication process by a back | latter stage control part.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. Specifically, a pachinko gaming machine 1 (hereinafter referred to as “gaming machine 1”), which is an embodiment of the gaming machine of the present invention, will be described.

[Composition of gaming machine]
Below, the structure of the gaming machine 1 which is one embodiment of the gaming machine of the present invention will be described.
FIG. 1 is a front view showing an external configuration of the gaming machine 1 according to the present embodiment. FIG. 2 is a perspective view showing an external configuration of the gaming machine 1 according to the present embodiment in a state where the glass frame is opened. FIG. 3 is a perspective view showing an external configuration of the back side of the gaming machine 1 according to the present embodiment.

  The gaming machine 1 includes an outer frame 60 attached to an island facility of a game store, and a glass frame 50 that is rotatably supported by the outer frame 60 (see FIGS. 1 and 2). In addition, the outer frame 60 is provided with a game board 2 in which a game area 6 in which the game ball 200 flows down is formed. In the glass frame 50, an operation handle 3 for launching a game ball toward the game area 6 by being rotated, an audio output device 32 including a speaker, an effect lighting device 34 having a plurality of lamps, An effect button 35 for changing the effect mode by a pressing operation is provided.

  Further, the glass frame 50 is provided with a tray 40 for storing a plurality of game balls 200, and the tray 40 has a downward slope so that the game balls 200 flow down toward the operation handle 3. (See FIG. 2). A receiving opening (not shown) for receiving a game ball is provided at the end of the downward slope of the tray 40, and the game ball received in the receiving opening is driven by the ball feed solenoid 4b, so that the glass frame One by one is sent to a ball feed opening 41 provided on the back surface of 50. Then, the game ball sent out to the ball feed opening 41 is guided to the end of the downward slope of the launch rail 42 by the launch rail 42 having a downward slope toward the launching member 4c. A stopper 43 for stopping the game ball is provided above the downwardly inclined end portion of the launch rail 42, and the game ball 200 sent out from the ball feed opening 41 is the downwardly inclined end portion of the launch rail 42. Thus, one game ball is stopped (see FIG. 2).

  When the player rotates the operation handle 3, the launch volume 3b (see FIG. 4) directly connected to the operation handle 3 also rotates, and the launch volume of the game ball is adjusted and adjusted by the launch volume 3b. The launching member 4c directly connected to the firing solenoid 4a (see FIG. 4) rotates with the firing strength. By rotating the launch member 4 c, the game ball 200 stored at the end of the downward slope of the launch rail 42 is launched by the launch member 4 c, and the game ball is launched into the game area 6.

  When the game ball fired as described above rises between the rails 5a and 5b from the launch rail 42 and exceeds the ball return prevention piece 5c, the game ball reaches the game area 6 and then falls in the game area 6. At this time, the game ball falls unpredictably by a plurality of nails and windmills provided in the game area 6.

  The game area 6 is provided with a plurality of general winning awards 12. Each of these general winning awards 12 is provided with a general winning opening detecting switch 12a (see FIG. 4). When this general winning opening detecting switch 12a detects the winning of a game ball, a predetermined winning ball (for example, 10) Game balls).

  Further, in the area below the center of the game area 6, there are a first start port 14 and a second start port 15 that constitute a start area into which game balls can enter, and a second large area in which game balls can enter. A winning opening 17 is provided.

  The second starting port 15 has a pair of movable pieces 15b, a mode in which the pair of movable pieces 15b is maintained in a closed state (hereinafter referred to as “first mode”), and a pair of movable pieces. The movement control is performed so that 15b is in an open state (hereinafter referred to as “second aspect”). When the second starting port 15 is controlled in the first mode, the winning member of the second large winning port 17 located immediately above the second starting port 15 becomes an obstacle, and the game ball Is impossible to accept. On the other hand, when the second start port 15 is controlled to the second mode, the pair of movable pieces 15b function as a tray, and it is easy to win a game ball to the second start port 15. That is, when the second start port 15 is in the first mode, there is no game ball winning opportunity, and when it is in the second mode, the game ball winning opportunity is increased.

  Here, the first start port 14 is provided with a first start port detection switch 14a (see FIG. 4) for detecting the entrance of a game ball, and the second start port 15 is a first for detecting the entrance of a game ball. 2 A start port detection switch 15a (see FIG. 4) is provided. When the first start port detection switch 14a or the second start port detection switch 15a detects the entry of a game ball, a special symbol determination random number value is acquired, and a right acquisition lottery (to be described later) Hereinafter, “Lottery for jackpot” is performed. Also, when the first start port detection switch 14a or the second start port detection switch 15a detects the entry of a game ball, a predetermined prize ball (for example, three game balls) is paid out.

  Further, the second grand prize winning port 17 is constituted by an opening formed in the game board 2. Below the second grand prize opening 17, there is a second big prize opening / closing door 17b that can protrude from the game board surface side to the glass plate 52 side. It is controlled to move between an open state protruding to the side and a closed state buried in the game board surface. When the second grand prize opening opening / closing door 17b protrudes from the game board surface, it functions as a tray for guiding the game ball into the second big prize opening 17, and the game ball can enter the second big prize opening 17. Become. The second big prize opening 17 is provided with a second big prize opening detection switch 17a (see FIG. 4). When the second big prize opening detection switch 17a detects the entry of a game ball, it is set in advance. Award balls (for example, 15 game balls) are paid out.

Furthermore, in the area on the right side of the game area 6, there are provided a normal symbol gate 13 constituting a normal area through which game balls can pass and a first grand prize opening 16 through which game balls can enter.
For this reason, if the operation ball 3 is not a game ball which has been greatly rotated and launched with a strong force, the normal design gate 13 and the first big winning opening 16 are configured so that the game ball does not pass or win. Yes.

  The normal symbol gate 13 is provided with a gate detection switch 13a (see FIG. 4) for detecting the passage of the game ball. When the gate detection switch 13a detects the passage of the game ball, the normal symbol determination random number value. Is acquired, and a “normal symbol lottery” to be described later is performed.

  The first grand prize opening 16 is normally kept closed by the first big prize opening opening / closing door 16b, and it is impossible to enter a game ball. In contrast, when a special game, which will be described later, is started, the first grand prize opening opening / closing door 16b is opened, and the first big prize opening opening / closing door 16b puts the game ball in the first big winning opening 16; It functions as a receiving tray that guides the game ball and can enter the first grand prize opening 16. The first big prize opening 16 is provided with a first big prize opening detection switch 16a (see FIG. 4). When the first big prize opening detection switch 16a detects the entry of a game ball, it is set in advance. Prize balls (for example, 15 game balls) are paid out.

  Further, in the lowermost area of the game area 6 and the lowermost area of the game area 6, the general winning opening 12, the first starting opening 14, the second starting opening 15, the first major winning opening 16, and the second large winning opening. An out port 11 is provided for discharging game balls that have not entered any of the winning ports 17.

In addition, a decoration member 7 that affects the flow of the game ball is provided in the center of the game area 6. A liquid crystal display device 31 is provided at a substantially central portion of the decorative member 7, and an effect driving device 33 in the form of a belt is provided above the liquid crystal display device 31.
In this embodiment, the liquid crystal display device 31 is used as a liquid crystal display. However, an organic EL display may be used, a projector, a reel made of an annular structure, a so-called 7-segment LED, a dot matrix. A display device or the like may be used.

The liquid crystal display device 31 displays an image during standby when no game is being performed, or displays an image according to the progress of the game. Among them, three effect symbols 36 for informing the jackpot lottery result, which will be described later, are displayed, and a combination of specific effect symbols 36 (for example, 777) is stopped and displayed as a jackpot lottery result. A jackpot is announced.
More specifically, when a game ball enters the first start port 14 or the second start port 15, the three effect symbols 36 are scroll-displayed, and the scroll is stopped after a predetermined time, The effect design 36 is stopped and displayed. Further, by displaying various images, characters, and the like during the variation display of the effect symbol 36, a high expectation that the player may win a big hit is given to the player.

  The effect driving device 33 gives a player a sense of expectation according to the operation mode. The effect driving device 33 performs, for example, an operation in which the belt moves downward or a rotating member at the center of the belt rotates. Various operational feelings are given to the player depending on the operation mode of the effect driving device 33.

  Furthermore, in addition to the above-described various production devices, the audio output device 32 outputs background music, sound effects, and the like, and produces productions using sound. The production lighting device 34 uses the light irradiation direction of each lamp, The luminescent color is changed to produce lighting.

  The effect button 35 is effective only when, for example, a message for operating the effect button 35 is displayed on the liquid crystal display device 31. The effect button 35 is provided with an effect button detection switch 35a (see FIG. 4). When the effect button detection switch 35a detects the player's operation, a further effect is executed in accordance with this operation.

  In the lower right of the game area 6, a first special symbol display device 20, a second special symbol display device 21, a normal symbol display device 22, a first special symbol hold indicator 23, a second special symbol hold indicator 24, a normal A symbol hold indicator 25 is provided.

  The first special symbol display device 20 is for notifying a lottery result obtained when a game ball enters the first start port 14, and is composed of 7-segment LEDs. That is, a plurality of special symbols corresponding to the jackpot lottery result are provided, and the lottery result is notified to the player by displaying the special symbol corresponding to the jackpot lottery result on the first special symbol display device 20. I am doing so. For example, “7” is displayed when the jackpot is won, and “−” is displayed when the player wins. “7” and “−” displayed in this way are special symbols, but these special symbols are not displayed immediately, but are displayed in a stopped state after being displayed for a predetermined time. .

  Here, the “successful lottery” means that when a game ball enters the first start port 14 or the second start port 15, a special symbol determination random number value is acquired, and the acquired special symbol determination random value is acquired. Is a random number value corresponding to “big hit” or a random number value corresponding to “small hit”. The jackpot lottery result is not immediately notified to the player, and the first special symbol display device 20 displays a variation such as blinking of the special symbol, and when the predetermined variation time has passed, the jackpot lottery result The special symbol corresponding to is stopped and displayed so that the player is notified of the lottery result. The second special symbol display device 21 is for notifying a lottery result of a jackpot that is performed when a game ball enters the second start port 15, and the display mode is the above-described first display mode. This is the same as the special symbol display mode in the special symbol display device 20.

  Further, in this embodiment, “big hit” means that a right to win a big hit game is obtained in a big win lottery performed on condition that a game ball has entered the first start port 14 or the second start port 15 Say what you did. In the “hit game”, a round game in which the first big prize opening 16 or the second big prize opening 17 is opened is performed 15 times in total. A predetermined time is set for the maximum opening time of the first grand prize port 16 or the second grand prize port 17 in each round game, and during this time, the first grand prize port 16 or the second grand prize port 17 is set. When a predetermined number of game balls (for example, nine) enter, one round game is completed. In other words, the “big hit game” is a game in which a game ball can enter the first grand prize winning opening 16 or the second big winning prize opening 17 and the player can acquire a winning ball according to the winning prize.

In this embodiment, in the “hit lottery”, two gaming states are set according to the winning probability. That is, the “low probability gaming state” in which the winning probability is set to 1 / 299.5 and the “high probability gaming state” in which the winning probability is set to 1 / 29.95. Also, in the “jackpot game”, a plurality of types of jackpot games are set. For example, in the case of “game per long”, the first grand prize opening 16 is released once (× 15 rounds) for 29.000 seconds for each round game. If it is “short win game”, the second big prize opening 17 is opened for 0.052 seconds × 1 time (× 15 rounds) for each round game. In the case of “game per development”, the second grand prize opening 17 is opened for 0.052 seconds × 3 times in the first round game, and after the second round, 29.000 seconds × 1 for each round game. Times (× 14 rounds).
In the case of “small hit”, one gaming state with a winning probability of 1 / 149.75 is set. In addition, if it is a “small hit game”, although it is not a round game, the second big prize opening 17 is opened for 0.052 seconds × 15 times. In the present embodiment, “big hit game” and “small hit game” are collectively referred to as “special game”.

  The normal symbol display device 22 is for notifying the lottery result of the normal symbol that is performed when the game ball passes through the normal symbol gate 13. As will be described in detail later, when the winning symbol is won by the normal symbol lottery, the normal symbol display device 22 is turned on, and then the second start port 15 is controlled to the second mode for a predetermined time.

  Here, “normal symbol lottery” means that when a game ball passes through the normal symbol gate 13, the normal symbol determination random number value is acquired, and the acquired normal symbol determination random value corresponds to “winning”. A process for determining whether or not the value is a random value. The lottery result of the normal symbol is not always notified immediately after the game ball passes through the normal symbol gate 13, but the normal symbol display device 22 displays a variation such as blinking of the normal symbol. When the fluctuation time elapses, the normal symbol corresponding to the lottery result of the normal symbol is stopped and displayed so that the player is notified of the lottery result.

Furthermore, if a game ball enters the first start port 14 or the second start port 15 during special symbol fluctuation display or a special game to be described later, and if the big hit lottery cannot be performed immediately, a certain condition The right to win a jackpot will be withheld. More specifically, the random number value for special symbol determination acquired when the game ball enters the first start port 14 is stored as the first hold, and when the game ball enters the second start port 15 The acquired special symbol determination random number value is stored as the second hold.
For both of these holds, the upper limit hold number is set to 4, and the hold number is displayed on the first special symbol hold indicator 23 and the second special symbol hold indicator 24, respectively. When there is one first hold, the LED on the left side of the first special symbol hold indicator 23 lights up, and when there are two first holds, two LEDs on the first special symbol hold indicator 23 Lights up. In addition, when there are three first holds, the LED on the left side of the first special symbol hold indicator 23 blinks and the right LED is lit, and when there are four first holds, the first special symbol hold. Two LEDs on the display 23 blink. The second special symbol hold indicator 24 also displays the number of second hold on hold in the same manner as described above.
The upper limit reserved number of normal symbols is also set to four, and the reserved number of normal symbols is displayed in the same manner as the first special symbol hold indicator 23 and the second special symbol hold indicator 24. Displayed on the instrument 25.

  The glass frame 50 supports a glass plate 52 that covers the game area 6 so as to be visible in front of the game board 2 (player side). The glass plate 52 is detachably fixed to the glass frame 50.

  The glass frame 50 is connected to the outer frame 60 via a hinge mechanism 51 on one end side in the left-right direction (for example, the left side facing the gaming machine 1). The end side (for example, the right side facing the gaming machine 1) can be rotated in a direction to release from the outer frame 60. The glass frame 50 covers the game board 2 together with the glass plate 52, and can be opened like a door with the hinge mechanism 51 as a fulcrum to open the inner part of the outer frame 60 including the game board 2. On the other end side of the glass frame 50, a lock mechanism for fixing the other end side of the glass frame 50 to the outer frame 60 is provided. The fixing by the lock mechanism can be released by a dedicated key. The glass frame 50 is also provided with a door opening switch 133 (see FIG. 4) for detecting whether or not the glass frame 50 is opened from the outer frame 60.

  On the back surface of the gaming machine 1, a main control board on which the main control unit 110 is mounted, an effect control board on which the effect control unit 120 is mounted, a payout control board on which the payout control unit 130 is mounted, and a power supply unit 170 are mounted. A power supply board, a game information output terminal board 30 and the like are provided. Further, the power supply unit 170 is provided with a power plug 171 for supplying power to the gaming machine 1 and a power switch (not shown).

[Internal configuration of gaming machine]
Hereinafter, control means for controlling processing related to game progress of the gaming machine 1 according to the embodiment of the present invention will be described.
FIG. 4 is a block diagram showing an internal configuration of the gaming machine 1 according to the present embodiment.

  The main control unit 110 is a main control means for controlling the basic operation of the game, and receives various detection signals from the first start port detection switch 14a, etc., and opens and closes the first special symbol display device 20 and the first grand prize opening. The game is controlled by driving the solenoid 16c and the like.

  The main control unit 110 includes at least a main CPU 110a, a main ROM 110b, a main RAM 110c, and an input port and an output port (not shown) for main control.

  The main control input port includes a payout control unit 130, a general winning port detecting switch 12a for detecting that a gaming ball has entered the general winning port 12, and a game ball having been inserted into the normal symbol gate 13. Gate detection switch 13a to detect, first start port detection switch 14a to detect that a game ball has entered the first start port 14, and second start to detect that a game ball has entered the second start port 15 The mouth detection switch 15a, the first grand prize opening detection switch 16a that detects that a game ball has entered the first grand prize opening 16, and the second that detects that a game ball has entered the second grand prize opening 17 A big prize opening detection switch 17a is connected. Various signals are input to the main control unit 110 through the input port for main control.

  The main control output port includes a payout control unit 130, a start opening / closing solenoid 15c for opening / closing the pair of movable pieces 15b of the second start opening 15, and a first large winning opening opening / closing door 16b. A special winning opening / closing solenoid 16c, a second large winning opening / closing solenoid 17c for operating the second winning opening / closing door 17b, a first special symbol display device 20 and a second special symbol display device 21 for displaying special symbols, and a normal symbol. A normal symbol display device 22 for displaying a symbol, a first special symbol hold indicator 23 and a second special symbol hold indicator 24 for displaying the number of reserved balls for a special symbol, and a normal symbol hold indicator for displaying the number of reserved balls for a normal symbol 25. A game information output terminal board 30 for outputting an external information signal is connected. Various signals are output from the main control output port.

  The main CPU 110a of the main control unit 110 reads out a program stored in the main ROM 110b based on input signals from the detection switches and timers, performs arithmetic processing, and controls the main control unit 110 according to the result of the arithmetic processing. It outputs a control instruction (hereinafter referred to as a “control signal”) to each constituent part to be configured and a control command to another control part outside the main control part 110.

The main ROM 110b of the main control unit 110 stores in advance a game processing program that describes the content and procedure of processing related to game progress, and fixed data and tables necessary for determining various games.
As an example of a table stored in the main ROM 110b, a jackpot determination table referred to in the jackpot lottery, a hit determination table referred to in the normal symbol lottery, a symbol determination table for determining the stop symbol of the special symbol, after the jackpot ends End of jackpot game setting data table for determining the gaming state of the game, special electric accessory operating mode determination table for determining the opening / closing conditions of the special winning opening opening door, determining the opening pattern table of the special winning opening, and the variation pattern of the special symbol There is a variation pattern determination table.

  In the present embodiment, the main ROM 110b generates and generates an error check value used by the main CPU 110a to authenticate the validity of the control command transmitted from the main control unit 110 to the effect control unit 120. A program for performing processing for adding an error check value to a control command and transmitting it to the effect control unit 120, data necessary for generating an error check value, and the like are stored. The details of the process related to the authentication process for authenticating the validity of the control command performed by the main control unit 110 will be described later.

The main RAM 110c of the main control unit 110 functions as a data work area when the main CPU 110a performs arithmetic processing, and has a plurality of storage areas.
As an example of the storage area that the main RAM 110c has, a normal symbol holding number (G) storage area, a normal symbol holding storage area, a normal symbol data storage area, a first special symbol holding number (U1) storage area, a second special symbol Reservation count (U2) storage area, first special symbol random value storage area, second special symbol random value storage area, round game number (R) storage area, number of open times (K) storage area, number of big winning entrances ( C) Storage area, game state storage area (high probability game flag storage area, etc.), high probability game count (X) counter, game state buffer, stop symbol data storage region, transmission data storage region, special symbol time counter, special There are various timer counters such as game timer counters. In the present embodiment, there is a command storage area for storing check value generation information, which is data used to generate an error check value, as a storage area of the main RAM 110c.

  The game information output terminal board 30 is a board for outputting an external information signal generated by the main control unit 110 to a hall computer or the like of a game store. The game information output terminal board 30 is connected to the main controller 110 by wiring, and is provided with a connector for connecting external information to a hall computer or the like of a game store.

  The power supply unit 170 includes a backup power source composed of a capacitor, supplies a power supply voltage to the gaming machine 1, and monitors a power supply voltage supplied to the gaming machine 1, and when the power supply voltage becomes a predetermined value or less, An electric interruption detection signal is output to the main control unit 110. More specifically, when the power interruption detection signal becomes low level and a certain time elapses because the power supply voltage indicates a predetermined value or less, the reset signal becomes low level, and the main CPU 110a performs processing to stop the operation. Thereafter, when the power interruption detection signal becomes a high level because the power supply voltage indicates a predetermined value or more and a predetermined time elapses, the reset signal becomes a high level and the main CPU 110a performs a process of starting an operation. The backup power source is not limited to a capacitor, and may be a battery, for example, or a capacitor and a battery may be used in combination.

  The effect control unit 120 mainly controls each effect such as during a game or standby. The effect control unit 120 includes a sub CPU 120a, a sub ROM 120b, and a sub RAM 120c, and is connected to the main control unit 110 so as to be communicable in one direction from the main control unit 110 to the effect control unit 120. . The sub CPU 120a reads out the program stored in the sub ROM 120b based on the control command transmitted from the main control unit 110 or the input signal from the effect button detection switch 35a and the timer, performs arithmetic processing, and Based on the processing, the corresponding data is transmitted to the lamp control unit 140 or the image control unit 150. The sub RAM 120c functions as a data work area during the arithmetic processing of the sub CPU 120a.

  For example, when the sub CPU 120a in the effect control unit 120 receives a variation pattern designation command indicating a variation pattern of a special symbol, which is one of the control commands transmitted from the main control unit 110, the contents of the received variation pattern designation command are displayed. Analysis is performed to generate data for causing the liquid crystal display device 31, the audio output device 32, the effect driving device 33, and the effect illumination device 34 to execute a predetermined effect, and the data is used for the image control unit 150 and the lamp control unit. 140.

  As will be described later, when the rear control unit 180 is connected to the effect control unit 120, the sub CPU 120a follows the control command and various data transmitted from the main control unit 110. Relay transmission processing is performed for transmission to 180 as it is. When the latter control unit 180 is connected to the payout control unit 130, a payout CPU described later has a configuration related to the relay transmission process of the effect control unit 120.

The sub ROM 120b of the effect control unit 120 stores a program for effect control, data necessary for determining various games, and a table.
As an example of the table stored in the sub-ROM 120b, a combination of an effect pattern determination table for determining an effect pattern based on a variation pattern designation command received from the main control unit 110 and an effect symbol 36 to be stopped and displayed is determined. There is an effect design determination table for the purpose.

The sub RAM 120c of the effect control unit 120 functions as a data work area during the arithmetic processing of the sub CPU 120a, and has a plurality of storage areas.
As an example of the storage area that the sub-RAM 120c has, there are a game state storage area, an effect mode storage area, an effect pattern storage area, an effect symbol storage area, and the like.

  The latter control unit 180 mainly controls processing (authentication processing) related to authentication for the main control unit 110. The post-stage control unit 180 includes a CPU 180a, a ROM 180b, and a RAM 180c, and a control unit (the effect control unit 120, the payout control unit 130, etc.) to which the main control unit 110 transmits a control command related to the original game process. On the other hand, it is provided to follow the main control unit 110. For example, as shown in FIG. 4, when the rear stage control unit 180 is provided so as to follow the effect control unit 120, the rear stage control unit 180 is connected to the effect control unit 120 so as to be capable of bidirectional communication. Is done. Although not shown, when the rear stage control unit 180 is provided so as to follow the payout control unit 130, the rear stage control unit 180 is connected to the payout control unit 130 so as to be capable of bidirectional communication. Therefore, the post-stage control unit 180 does not transmit a control command directly from the main control unit 110, but transmits it via the effect control unit 120, the payout control unit 130, and the like.

  Further, the post-stage control unit 180 generates an error check value by the same method as the main control unit 110. The post-stage control unit 180 performs authentication processing for authenticating the validity of the control command using the error check value transmitted from the main control unit 110 and the generated check value. The details of the authentication process performed by the post-stage control unit 180 and the configuration related to the authentication process will be described later.

  The CPU 180a of the post-stage control unit 180 reads out the program stored in the ROM 180b based on the control command and the error check value transmitted from the main control unit 110 via the pre-stage production control unit 120, the payout control unit 130, and the like. While performing the authentication process, the information of the authentication result obtained from the process (hereinafter referred to as “authentication result data”) is added to the control command and transmitted to the preceding stage effect control unit 120, the payout control unit 130, etc. A process based on the authentication result data and the control command is executed. The ROM 180b stores in advance a program for performing processing for authenticating the validity of the control command to which the error check value is added, using the error check value transmitted from the main control unit 110. The RAM 180c functions as a data work area during the arithmetic processing of the CPU 180a. In the present embodiment, as the storage area of the RAM 180c, there is a check value generation information storage area for storing check value generation information, which is data used to generate an error check value, like the main RAM 110c.

  The payout control unit 130 controls payout of game balls. The payout control unit 130 includes a one-chip microcomputer including a payout CPU, a payout ROM, and a payout RAM (not shown), and is connected to the main control unit 110 so as to be capable of bidirectional communication. The payout CPU reads out the program stored in the payout ROM based on the input signals from the payout ball count detection switch 132, the door opening switch 133, and the timer that detect whether or not the game ball has been paid out, and performs arithmetic processing. At the same time, based on the processing, the corresponding data is transmitted to the main control unit 110.

  Further, a payout motor 131 of a payout device for paying out a predetermined number of game balls from the game ball storage unit is connected to the output side of the payout control unit 130. The payout CPU reads out a predetermined program from the payout ROM based on a payout number designation command that is one of the control commands transmitted from the main control unit 110, performs arithmetic processing, and controls the payout motor 131 of the payout device. Then, a predetermined game ball is paid out. At this time, the payout RAM functions as a data work area at the time of calculation processing of the payout CPU.

  The lamp control unit 140 controls lighting of the effect lighting device 34 provided on the game board 2 and controls driving of the motor for changing the light irradiation direction. In addition, energization control is performed on a drive source such as a solenoid or a motor that operates the effect driving device 33. The lamp control unit 140 is connected to the effect control unit 120, and performs the above-described controls based on various commands transmitted from the effect control unit 120.

  The image control unit 150 stores a host CPU for performing image display control of the liquid crystal display device 31, a host RAM having a temporary storage area functioning as a work area of the host CPU, a control processing program for the host CPU, and the like. A host ROM, a CGROM storing image data, a VRAM having a frame buffer for drawing image data, a VDP (Video Display Processor) serving as an image processor, and a sound control circuit for controlling sound.

Based on the effect pattern designation command received from the effect control unit 120, the host CPU instructs the liquid crystal display device 31 to display the image data stored in the CGROM in the VDP.
The VDP draws image data stored in the CGROM in the frame buffer of the VRAM based on an instruction from the host CPU. Next, a video signal (RGB signal or the like) is generated based on the image data stored in the display frame buffer in the VRAM, and the generated video signal is output to the liquid crystal display device 31.

  The sound control circuit includes an audio ROM that stores a large number of audio data. The sound control circuit reads a predetermined program based on a command transmitted from the effect control unit 120 and also outputs the audio output device 32. Audio output control at.

  The launch control unit 160 performs launch control of the game ball. In the firing control unit 160, the touch sensor 3a and the firing volume 3b are connected to the input side, and the firing solenoid 4a and the ball feeding solenoid 4b are connected to the output side. The firing control unit 160 inputs a touch signal from the touch sensor 3a and performs control to energize the firing solenoid 4a and the ball feed solenoid 4b based on the voltage supplied from the firing volume 3b.

  The touch sensor 3a is provided in the inside of the operation handle 3, and is comprised from the electrostatic capacitance type proximity switch using the change of the electrostatic capacitance by the player touching the operation handle 3. When the touch sensor 3a detects that the player has touched the operation handle 3, the touch sensor 3a outputs a touch signal that permits energization of the firing solenoid 4a to the firing control unit 160 (see FIG. 4). The firing control unit 160 is configured so that the game ball 200 is not fired into the game area 6 unless a touch signal is input from the touch sensor 3a.

  The firing volume 3b is provided directly connected to a rotating portion around which the operation handle 3 rotates, and is composed of a variable resistor. The firing volume 3b divides a constant voltage (for example, 5V) applied to the firing volume 3b by a variable resistor, and supplies the divided voltage to the firing control unit 160 (the voltage to be supplied to the firing control unit 160). Variable). The launch controller 160 energizes the launch solenoid 4a based on the voltage divided by the launch volume 3b, and rotates the launch member 4c directly connected to the launch solenoid 4a, thereby playing the game ball 200 in the game. Fire into area 6.

  The launching solenoid 4a is composed of a rotary solenoid, and a launching member 4c is directly connected to the launching solenoid 4a, and the launching member 4c is rotated by rotating the launching solenoid 4a.

  Here, the rotational speed of the firing solenoid 4a is set to about 99.9 (times / minute) based on the frequency based on the output period of the crystal oscillator provided in the firing control unit 160. As a result, the number of games played per minute is about 99.9 (pieces / minute) because one shot is fired every time the firing solenoid rotates. That is, one game ball is fired about every 0.6 seconds.

  The ball feed solenoid 4b is composed of a linear solenoid, and sends out the game balls in the tray 40 one by one toward the launch member 4c directly connected to the launch solenoid 4a.

  Here, based on the control command from the main control unit 110 such as the effect control unit 120, the payout control unit 130, the lamp control unit 140, the image control unit 150, and the launch control unit 160 having the above-described configuration, or based on the control command. A control unit that performs control processing of the gaming machine 1 in accordance with a command generated based on the command, and the control units other than the rear control unit 180 are collectively referred to as “peripheral unit 300”. In addition, each control board on which each control unit of the peripheral unit 300 is mounted, such as an effect control board on which the effect control unit 120 is mounted and a payout control board on which the payout control unit 130 is mounted, is collectively referred to as a “peripheral board”. . Note that the rear control unit 180, the lamp control unit 140, and the image control unit 150 may be mounted on the same substrate as the effect control unit 120. Further, the payout control unit 130 and the firing control unit 160 can be mounted on the same substrate as the main control unit 110.

[Configuration for gaming machine authentication]
Next, means for realizing the authentication function that the gaming machine 1 having the above configuration has for preventing fraud will be described with reference to the drawings.
The authentication function of the gaming machine 1 in the present embodiment is to authenticate the main control unit 110 by authenticating the validity of the control command transmitted from the main control unit 110 via the peripheral unit 300 by the post-stage control unit 180. Realized by doing. That is, the gaming machine 1 determines that the main control unit 110 is also valid if the control command transmitted from the main control unit 110 is valid. Then, the authentication result obtained by the latter control unit 180 is transmitted to the peripheral unit 300, and processing according to the authentication result received by the peripheral unit 300 is performed. In the present embodiment, the latter control unit 180 is connected subsequent to the effect control unit 120, and the authentication result obtained by the latter control unit 180 is sent to the effect control unit 120 in the peripheral unit 300. The transmission control unit 120 will be described as performing processing according to the authentication result.

  Specifically, the main control unit 110 generates an error check value using previously stored check value generation information. Then, the main control unit 110 adds the generated error check value to the control command to be transmitted this time and transmits it to the subsequent control unit 180 via the effect control unit 120. Further, the main control unit 110 switches between the control command output this time and the error check value generated this time based on a predetermined condition, and stores either as the check value generation information.

  On the other hand, similarly to the main control unit 110, the post-stage control unit 180 generates a test value for authentication using test value generation information stored in advance. Then, the post-stage control unit 180 compares the generated check value with the error check value added to the control command received this time, and if they match, the validity of the control command transmitted this time is It is determined that the main control unit 110 has been successfully authenticated. Further, the rear control unit 180 transmits the authentication result to the effect control unit 120. Further, the subsequent control unit 180 switches between the control command received this time and the test value generated this time based on a predetermined condition, and stores either one as the test value generation information. On the other hand, the effect control unit 120 confirms the authentication result transmitted from the subsequent control unit 180, and performs processing according to the authentication result.

  In the present embodiment, basically, the control command transmitted / received this time is stored as the inspection value generation information. Further, when the contents of the control command transmitted / received this time, for example, the value of the control command, the MODE described later, the bit contents at a predetermined bit position, etc. are predetermined contents, the control transmitted / received this time is used as the test value generation information. The command is switched to the error check value generated this time and stored.

  Also, in the present embodiment, when the content of the control command transmitted / received this time is a predetermined content, only the control command transmitted / received this time is switched to the error check value generated this time as the check value generation information only at that time. The information to be stored is switched as test value generation information for a certain period after the transmission / reception of a predetermined control command, for example, until the next transmission / reception of the predetermined control command. You can leave it.

FIG. 5 is a functional block diagram showing a configuration related to the authentication process of the main control unit 110 constituting the gaming machine 1 in the present embodiment.
As illustrated in FIG. 5, the main control unit 110 includes a control command output unit 510, an error check value generation unit 520, an addition unit 560, and a transmission unit 570. Further, the error check value generation unit 520 includes a storage unit 530, an error check value calculation unit 540, and an information control unit 550.

Each functional block configuring the main control unit 110 is configured by appropriately combining, for example, the main CPU 110a, the main ROM 110b, the main RAM 110c, and the like illustrated in FIG. Further, specific means for realizing the functions of the control command output unit 510, the error check value generation unit 520, the storage unit 530, the error check value calculation unit 540, the information control unit 550, and the addition unit 560 are shown in FIG. The CPU 110a, the main ROM 110b, and the main RAM 110c can be used.
In the present embodiment, the control command output unit 510, the error check value generation unit 520, the addition unit 560, and the transmission unit 570 include a command output unit, a first check value generation unit, a check value addition unit, The transmission means is configured. In addition, the storage unit 530, the error check value calculation unit 540, and the information control unit 550 constitute a first storage unit, a first calculation unit, and a first information switching unit, respectively.

  The control command output unit 510 generates a control command to be transmitted this time to the effect control unit 120 in order to instruct the contents of the game processing performed by the effect control unit 120, and outputs the control command to the error check value generation unit 520 and the addition unit 560. To do.

  The error check value generation unit 520 generates an error check value using previously stored check value generation information. In addition, the error check value generation unit 520 sends the generated error check value to the addition unit 560. Further, the error check value generation unit 520 stores the control command transmitted this time or the error check value generated this time based on the contents of the control command transmitted this time.

  Specifically, the storage unit 530 constituting the error check value generation unit 520 stores check value generation information for generating an error check value in advance.

  Specifically, the storage unit 530 has an inspection value generation information storage area, and the inspection value generation information storage area is divided into areas for storing a plurality (eight) of inspection value generation information. Then, based on the control command transmitted this time, the storage unit 530 stores the control command transmitted this time or the error check value generated this time as check value generation information.

  The error check value calculation unit 540 generates an error check value using the check value generation information stored in the storage unit 530, and sends the generated error check value to the adding unit 560.

  In the present embodiment, “generate error check value using check value generation information” means error check using bit data of check value generation information which is a specific value of check value generation information. Is to generate a value. In this embodiment, unless otherwise specified, the term “inspection value generation information” includes the meaning of bit data of inspection value generation information.

  In addition, the method of generating the error check value is not particularly limited, and the error check value may be generated by various combinations of the extracted bit information, or the calculation is further performed by adding an operation to the extracted bit information. The result may be an error check value. As a method for generating such an error check value, for example, a checksum method, a CRC method, an odd parity method, an even parity method, a group count check method, a vertical parity method, a vertical parity method, a Hamming code method, or the like is known. This method can be used.

  The information control unit 550, based on a predetermined condition, specifically, the control command output this time by the control command output unit 510, as the check value generation information, and the error check value calculation unit The test value generated this time by 540 is switched and stored in the storage unit 530.

  The adding unit 560 adds the error check value output from the error check value calculation unit 540 to the control command to be transmitted this time output from the control command output unit 510, and the subsequent control unit 180 via the effect control unit 120. Generate control command information to be sent to

  Here, the control command information is a generic term for control signals transmitted from the main control unit 110 to the subsequent control unit 180 via the effect control unit 120, and includes control commands (control command data) and errors added thereto. Contains inspection values. Hereinafter, the control command with an error check value is also referred to as control command information.

  The transmission unit 570 transmits the control command information generated by adding the error check value to the control command to be transmitted this time, that is, the control command information generated by the addition unit 560, via the effect control unit 120, and the subsequent control unit 180. Send to.

  Next, FIG. 6 shows control commands output in the present embodiment and stored test value generation information. In the following, the control command transmitted first (first) in the order in which the control commands are output is referred to as “control command 1”, and the control command transmitted second below is referred to as “control command 2”. ,..., The Nth transmitted control command is referred to as “control command N”.

  Although details will be described later, the control command includes 1-byte “MODE” information and 1-byte “DATA” information. The control command shown in FIG. 6 is described by taking, as an example, only 1-byte “MODE” information among the information constituting the control command. Hereinafter, for convenience, only the “MODE” information of this control command will be described as a “control command”.

  As shown in FIG. 6, in the present embodiment, initial values are set as error check values for control commands 1 to 6 that are output first. The initial value is not particularly limited, and dummy data of a predetermined error check value, an ID unique to the gaming machine such as an ID unique to the main control board, or the like can be used.

  Since the initial values are set for the control commands 1 to 4, the initial value is set for the error check value, and the control command 1 to the control command 4 are stored as they are in the check value generation information. The

The control command 5 is a control command in which switching is set so as to store an error check value as check value generation information. Therefore, in the control command 5, an initial value is set as the error check value, but this error check value, that is, the initial value is stored as it is in the check value generation information.
Since the initial value of the control command 6 is set similarly to the control commands 1 to 4, the initial value is set for the error check value, and the control command 6 is stored as it is in the check value generation information. The

Since no initial value is set for the control command 7, bit information Vd is extracted and an error check value and check value generation information are set as follows. That is, D7 bit of control command 6, D6 bit of control command 5 (initial value thereof), D5 bit of control command 4,... D2 bit of control command 1 are extracted, D1 of dummy data, The bit D0 is extracted to generate bit information Vd (= 0xF0).
The bit information Vd (= 0xF0) is set as the error check value Vd, and the control command 7 is stored in the check value generation information.

In the control command 8, the D7 bit of the control command 7, the D6 bit of the control command 6, the D5 bit of the control command 5 (initial value thereof), the D1 bit of the control command 1, the D0 of the dummy data Bits are extracted to generate bit information Vd (= 0xC2).
The bit information Vd (= 0xC2) is set as the error check value Vd. Further, since the control command 8 is a control command that is set to switch so as to store the error check value as the check value generation information, the error check value Vd (= 0xC2) is stored in the check value generation information. The

Thereafter, the processing after the control command 9 is similarly performed.
Note that the test value generation information storage area has eight storage areas from the 0th storage area to the seventh storage area, and stores the test generation information for the latest eight past storage areas. When new inspection value generation information is stored, data in the seventh storage area is shifted from the first storage area, and new inspection value generation information is stored in the seventh storage area.

  That is, data in the first storage area is stored in the 0th storage area, data in the second storage area is stored in the first storage area, data in the third storage area is stored in the second storage area,... Data in the seventh storage area is stored in the sixth storage area, and new test value generation information is stored in the seventh storage area. At this time, the data in the 0th storage area is overwritten with the data in the 1st storage area without being moved elsewhere, and thus is erased.

FIG. 7 is a functional block diagram showing a configuration related to the authentication process of the post-stage control unit 180 configuring the gaming machine 1 according to the present embodiment.
As illustrated in FIG. 7, the post-stage control unit 180 includes a reception unit 610, an error check value generation unit 620, an error check unit 660, an addition unit 670, and a transmission unit 680. Further, the error check value generation unit 620 includes a storage unit 630, an error check value calculation unit 640, and an information control unit 650.

Each functional block constituting the post-stage control unit 180 is configured by appropriately combining, for example, the sub CPU 120a, the sub ROM 120b, the sub RAM 120c, and the like illustrated in FIG. Further, specific means for realizing the functions of the reception unit 610, error check value generation unit 620, storage unit 630, error check value calculation unit 640, information control unit 650, error check unit 660, addition unit 670, and transmission unit 680 Can be constituted by the sub CPU 120a, the sub ROM 120b, and the sub RAM 120c shown in FIG.
In the present embodiment, receiving section 610, error check value generating section 620, error checking section 660, and transmitting section 680 constitute receiving means, second check value generating means, checking means, and second transmitting means, respectively. To do. In addition, the storage unit 630, the error check value calculation unit 640, and the information control unit 650 constitute a second storage unit, a second calculation unit, and a second information switching unit, respectively.

  The reception unit 610 has a reception data storage area, and writes control command information received from the main control unit 110 via the effect control unit 120 in the reception data storage area. The receiving unit 610 separates the control command and the error check value included in the received control command information, and sends the control command received this time to the error check value generation unit 620 and the adding unit 670 as the control command received this time. The added error check value is transmitted to error check section 660.

  The error check value generation unit 620 generates a check value using previously stored check value generation information. Also, the error check value generation unit 620 sends the generated check value to the error check unit 660. Further, the error check value generation unit 620 stores the control command received this time or the check value generated this time based on the contents of the control command received this time.

  Specifically, the storage unit 630 constituting the error check value generation unit 620 stores check value generation information for generating a check value in advance.

  Specifically, the storage unit 630 has an inspection value generation information storage area, and the inspection value generation information storage area is divided into areas for storing a plurality (eight) of inspection value generation information. Then, the storage unit 630 stores the control command received this time or the test value generated this time as test value generation information based on the control command received this time by the information control unit 650.

  The error check value calculation unit 640 generates a check value using the check value generation information stored in the storage unit 630, and sends the generated check value to the error check unit 660. In the present embodiment, the check value generation method may be the same as the error check value generation method performed by the error check value generation unit 620 of the main control unit 110, and the various methods described above can be applied. it can.

  The information control unit 650 uses the control command received this time and the error check value calculation unit 640 as check value generation information based on a predetermined condition, specifically, the control command received this time by the receiving unit 610. The inspection value generated this time is switched and stored in the storage unit 630.

  The error checker 660 uses the error check value added to the control command received this time sent from the receiver 610 and the check value generated this time sent from the error check value calculator 640 to check the error. I do. That is, the error checking unit 660 authenticates the control command to which the error check value received this time is added and the validity of the control command and check value received in the past in the generation of the current check value. I do. Further, the error checking unit 660 outputs the authentication result to the adding unit 670 as authentication result data.

  The adding unit 670 adds the authentication result data output from the error checking unit 660 to the control command received this time by the receiving unit 610, and generates a control command with authentication result data (control command information with result). Then, adding unit 670 outputs the generated control command with authentication result data to transmitting unit 680.

  Transmitting section 680 transmits the control command with authentication result data output from adding section 670 to effect control section 120.

[Explanation of control commands]
Hereinafter, the types of control commands transmitted from the main control unit 110 of the gaming machine 1 according to the embodiment of the present invention to the subsequent control unit 180 via the effect control unit 120 and the effect control unit 120 will be described.
FIG. 8 is a diagram showing types of control commands transmitted from the main control unit 110 constituting the gaming machine 1 to the effect control unit 120 in the present embodiment. The control command shown in FIG. 8 is an example, and the control command in the present invention is not limited to this.

  The control command transmitted from the main control unit 110 to the production control unit 120 is composed of 1-byte data, and 1-byte “MODE” information for identifying the control command classification, It consists of 1-byte “DATA” information indicating the detailed control contents of the control command.

The “designation designating command” indicates the type of the special symbol to be stopped, “MODE” is set to “E0H”, and “DATA” information is set according to the type of the special symbol. . Since the special symbol type eventually determines the jackpot type and gaming state, the effect symbol designation command can also be said to indicate the jackpot type and gaming state.
In the effect symbol designation command, when various special symbols are determined and the variation display of the special symbol is started, an effect symbol designation command corresponding to the determined special symbol is transmitted to the effect control unit 120. Specifically, when the lottery result of the jackpot is determined, various special symbols are determined, and the variation display of the special symbols is started, an effect designating command corresponding to the determined special symbol is transmitted to the main RAM 110c. Set in the data storage area. Thereafter, the effect designating command set in the transmission data storage area is transmitted to the effect control unit 120 with an error check value added by a control command transmission process described later. Thereafter, other control commands are similarly transmitted to the effect control unit 120.
The process related to the jackpot lottery related to the production symbol designation command will be described later.

  Here, among the effect symbol designating commands, the “lost effect symbol designating command” set with “DATA” being “00H” is a control command for stopping and displaying the result of losing when the lottery result is losing. is there. That is, it is a control command that is surely transmitted from the main control unit 110 to the effect control unit 120 when the lose design symbol designation command is a loss. Hereinafter, the lose effect designating command is also simply referred to as a “lose command” as a command for executing a process in case of loss.

The “first special symbol memory designation command” indicates the number of reserved memories stored in the first special symbol reservation number (U1) storage area, “MODE” is set to “E1H”, and the number of reserved memories The information of “DATA” is set according to the above.
This first special symbol memory designation command is effect-controlled by the first special symbol memory designation command corresponding to the number of reserved memories when the number of reserved memories stored in the first special symbol reservation number (U1) storage area is switched. Is transmitted to the unit 120. Specifically, when the value stored in the first special symbol hold number (U1) storage area is increased or decreased when determining the result of entering the first start port 14 or the big win lottery result, the reserved memory after the increase or decrease is stored. The first special symbol storage designation command corresponding to the number is set in the transmission data storage area of the main RAM 110c.

The “second special symbol memory designation command” indicates the number of reserved memories stored in the second special symbol reservation number (U2) storage area, “MODE” is set to “E2H”, and the number of reserved memories The information of “DATA” is set according to the above.
This second special symbol memory designation command is directed by the second special symbol memory designation command corresponding to the number of reserved memories when the number of reserved memories stored in the second special symbol reservation number (U2) storage area is switched. Is transmitted to the unit 120. Specifically, when the value stored in the second special symbol holding number (U2) storage area is increased or decreased in determining the result of entering the second starting port 15 or the jackpot lottery result, the holding storage after the increase / decrease is performed. The second special symbol storage designation command corresponding to the number is set in the transmission data storage area of the main RAM 110c.
In the present embodiment, the “first special symbol memory designation command” and the “second special symbol memory designation command” are collectively referred to as “special symbol memory designation command”.

The “design determination command” indicates that the special symbol is stopped and displayed, “MODE” is set to “E3H”, and “DATA” is set to “00H”.
This symbol confirmation command is transmitted to the effect control unit 120 when the special symbol is stopped and displayed. Specifically, after determining the jackpot lottery result and the special symbol change time has elapsed, when the special symbol is stopped and displayed on the first special symbol display device 20 or the second special symbol display device 21, the symbol confirmation command Is set in the transmission data storage area of the main RAM 110c.

The “power-on designation command” indicates that the gaming machine 1 is powered on, “MODE” is set to “E4H”, and “DATA” is set to “00H”.
The power-on designation command is transmitted to the effect control unit 120 when the gaming machine 1 is powered on. When the gaming machine 1 is powered on and the initialization process of the main control unit 110 is performed, if the backup information of the main RAM 110c generated when the power is turned off (hereinafter referred to as “power interruption”) is not valid, The work area in the RAM 110c is cleared and a new work area is set. Thereafter, a power-on designation command is set in the transmission data storage area of the main RAM 110c.
The initialization process related to the power-on designation command and the like will be described later.

The “RAM clear designation command” indicates that the information stored in the main RAM 110c has been cleared, “MODE” is set to “E4H”, and “DATA” is set to “01H”.
A RAM clear button (not shown) is provided on the back side of the gaming machine 1. When the gaming machine 1 is turned on while pressing the RAM clear button, a system reset occurs in the main control unit 110 and initialization processing is performed. . After the work area of the main RAM 110c is cleared and a new work area is set and a power-on designation command is transmitted, the RAM clear designation command is set in the transmission data storage area of the main RAM 110c.

The “power restoration designation command” indicates that the gaming machine 1 has been turned on and has been restored normally, “MODE” is set to “E4H”, and “ DATA "information is set.
This power supply restoration designation command is transmitted to the effect control unit 120 when the gaming machine 1 is turned on and normally restored. Specifically, when the gaming machine 1 is turned on and the initialization process is performed, if the backup information of the main RAM 110c generated at the time of power interruption is valid, the power is restored according to the gaming state indicated by the backup information. A designated command is generated, and the generated power supply restoration designation command is set in the transmission data storage area of the main RAM 110c.

  When the power is turned on, at least one of a power-on designation command, a RAM clear designation command, and a power restoration designation command is transmitted from the main control unit 110 to the effect control unit 120. That is, the control command group in which “MODE” is set to “E4H” is a command for executing processing at power-on. Hereinafter, the control command group in which “MODE” is set to “E4H” is also simply referred to as “power-on command”.

The “demonstration designation command” indicates that the first special symbol display device 20 or the second special symbol display device 21 is not operating, “MODE” is set to “E5H”, and “DATA” is set to “ 00H ".
This demonstration designation command is used for effect control when there is no special symbol hold storage in the first special symbol display device 20 or the second special symbol display device 21 and a non-game state in which there is no operation by the player has elapsed for a predetermined time. Is transmitted to the unit 120. Specifically, when the jackpot lottery, the special electric accessory, and the gaming state are controlled, either the first special symbol hold number (U1) storage area or the second special symbol hold number (U2) storage area In addition, when a state in which one or more data is not set continues for a predetermined time, the demo designation command is set in the transmission data storage area of the main RAM 110c.

  The demonstration designation command may be sent immediately when there is no special symbol holding storage of the first special symbol display device 20 or the second special symbol display device 21. In this case, after receiving the demonstration designation command, the effect control unit 120 executes the demonstration effect when no other control command is received for a predetermined time, that is, when the non-game state has elapsed for a predetermined time.

The “first special symbol variation pattern designation command” indicates the variation time (variation mode) of the special symbol in the first special symbol display device 20, “MODE” is set to “E6H”, and various variations “DATA” information is set according to the pattern.
The first special symbol variation pattern designation command is a first special symbol variation pattern corresponding to the variation pattern of the special symbol determined when the special symbol variation display of the first special symbol display device 20 is started. A designation command is transmitted to the effect control unit 120. Specifically, the variation pattern for the first special symbol corresponding to the determined variation pattern of the special symbol when the variation pattern of the special symbol is determined and the variation display of the special symbol is started by judging the lottery result of the jackpot The designated command is set in the transmission data storage area of the main RAM 110c.

The “variable pattern designation command for the second special symbol” indicates the variation time (variation mode) of the special symbol in the second special symbol display device 21, and “MODE” is set to “E7H”, and various variations “DATA” information is set according to the pattern.
The second special symbol variation pattern designation command is a second special symbol variation pattern corresponding to the variation pattern of the special symbol determined when the special symbol variation display of the second special symbol display device 21 is started. A designation command is transmitted to the effect control unit 120. Specifically, the variation pattern for the second special symbol corresponding to the determined variation pattern of the special symbol when the variation pattern of the special symbol is determined and the variation display of the special symbol is started by judging the lottery lottery result The designated command is set in the transmission data storage area of the main RAM 110c.
In the present embodiment, the “first special symbol variation pattern designation command” and the “second special symbol variation pattern designation command” are collectively referred to as a “variation pattern designation command”.

  Here, among the variation pattern designation commands, the control command group in which “DATA” is set to “01H”, “02H”, “03H”, “04H”, “05H” is a control command for executing the reach effect. is there. Hereinafter, a control command group in which “MODE” is set as “E6H” and “DATA” is set as “01H” to “05H” is also simply referred to as “reach command”.

The “big prize opening specification command” indicates the number of jackpot rounds according to the types of jackpots, “MODE” is set to “EAH”, and “DATA” information is matched to the number of jackpot rounds. Is set.
With regard to the special winning opening opening designation command, when the big hit round is started, the big winning opening opening designation command corresponding to the started round number is transmitted to the effect control unit 120. Specifically, when the first big prize opening opening / closing door 16b (or the second big prize opening opening / closing door 17b) is opened in the big hit game process, the big winning opening opening designation command corresponding to the number of rounds to be opened is It is set in the transmission data storage area of the main RAM 110c.
Note that a command group in which “MODE” is set to “EAH” is a command for executing processing corresponding to each round of big hit. Hereinafter, a command group in which “MODE” is set to “EAH” is also simply referred to as “hit command”.

The “opening designation command” indicates that various jackpots start, “MODE” is set as “EBH”, and “DATA” information is set according to the jackpot type.
As for this opening designation command, when various jackpots start, an opening designation command corresponding to the type of jackpot is transmitted to the effect control unit 120. Specifically, at the start of the jackpot game process, an opening designation command corresponding to the jackpot type is set in the transmission data storage area of the main RAM 110c.
Note that the command group in which “MODE” is set to “EBH” is a command for starting the processing of the jackpot state. Hereinafter, the command group in which “MODE” is set to “EBH” is also referred to as “big hit start command”.

The “ending designation command” indicates that various jackpots have ended, “MODE” is set as “ECH”, and “DATA” information is set according to the jackpot type.
As for this ending designation command, when various jackpots are finished, an ending designation command corresponding to the jackpot type is transmitted to the effect control unit 120. Specifically, at the start of the jackpot game end process, an ending designation command corresponding to the jackpot type is set in the transmission data storage area of the main RAM 110c.
Note that the command group in which “MODE” is set to “ECH” is a command for ending the big hit state process. Hereinafter, the command group in which “MODE” is set to “ECH” is also referred to as “hit end command”.

The “gaming state designation command” indicates the contents of the gaming state, “MODE” is set as “EDH”, and “DATA” information is set according to the contents of the gaming state.
As for the gaming state designation command, the gaming state designation command is transmitted to the effect control unit 120 at the start and end of the variation of the special symbol. Specifically, when the value of various storage areas storing data indicating the current gaming state, such as the gaming state storage area and the high probability game number counter, changes due to the start and end of the change of the special symbol A gaming state designation command corresponding to the current gaming state is set in the transmission data storage area of the main RAM 110c.

  Here, the production symbol designation command, symbol confirmation command, and variation pattern designation command are control commands transmitted when the variation display of the special symbol is started or stopped, and the variation of the special symbol is changed. This is a control command transmitted as a set. Hereinafter, these control commands are also collectively referred to as “special symbol variation related commands”.

  The jackpot start command, jackpot command, and jackpot end command are control commands that are transmitted as a set during jackpot game processing. Hereinafter, these control commands are collectively referred to as “hit-related commands”.

  Note that a control command that designates switching of information stored in the main RAM 110c as test value generation information described later may prepare a predetermined switching command table and instruct switching based on this table. A switching identifier may be provided and added to the control command, and the switching may be performed using the switching identifier.

[Control processing of main control unit]
Hereinafter, the control process of the main control unit 110 of the gaming machine 1 according to the embodiment of the present invention will be described. First, main processing of the main control unit 110 will be described.
FIG. 9 is a flowchart showing main processing by the main control unit 110 according to the present embodiment.

First, in step S10, the main CPU 110a performs an initialization process. In this process, the main CPU 110a reads a startup program from the main ROM 110b and initializes a flag stored in the main RAM 110c in response to power-on.
In step S20, the main CPU 110a performs an effect random number update process for updating the reach determination random number value and the special figure variation random value for determining the variation mode (variation time) of the special symbol.
In step S30, the main CPU 110a performs an initial random number value updating process for updating the special symbol determining initial random number value, the big hit symbol initial random number value, the small hit symbol initial random number value, and the normal symbol determining initial random number value. Thereafter, the processes in steps S20 and S30 are repeated until a predetermined interrupt process is performed.

Next, interrupt processing of the main control unit 110 will be described.
FIG. 10 is a flowchart showing interrupt processing by the main control unit 110 according to the present embodiment.
Based on a clock signal output from a clock pulse generation circuit (not shown) provided in the main control unit 110, the main CPU 110a performs a timer of the main control unit 110 at predetermined intervals (for example, 4 milliseconds). Execute interrupt processing.

  First, in step S100, the main CPU 110a saves the information stored in the register of the main CPU 110a to the stack area.

  In step S110, the main CPU 110a updates the special symbol time counter, updates the special game timer counter such as the opening time of the special electric accessory, updates the normal symbol time counter, and updates the normal power release time counter. A time control process for updating various timer counters is performed. Specifically, a process of subtracting 1 from a special symbol time counter, a special game timer counter, a normal symbol time counter, and a general electricity open time counter is performed.

  In step S120, the main CPU 110a performs a random number update process for the special symbol determination random number value, the big hit symbol random number value, the small hit symbol random number value, and the normal symbol determination random number value. Specifically, 1 is added to each random number value and random number counter to be updated. When the added random number counter exceeds the maximum value in the random number range (when the random number counter makes one revolution), the random number counter is returned to 0, and each random number value is newly updated from the initial random number value at that time. .

  In step S130, as in step S30, the main CPU 110a updates the initial random number value for special symbol determination, the initial random number value for jackpot symbol, the initial random number value for small bonus symbol, and the initial random number value for normal symbol determination. Perform numerical value update processing.

  In step S200, the main CPU 110a performs input control processing. In this process, the main CPU 110a includes a general winning opening detection switch 12a, a first large winning opening detection switch 16a, a second large winning opening detection switch 17a, a first starting opening detection switch 14a, a second starting opening detection switch 15a, a gate. An input process for determining whether or not there is an input to each switch of the detection switch 13a is performed.

  Specifically, various detection signals from the general winning opening detecting switch 12a, the first big winning opening detecting switch 16a, the second large winning opening detecting switch 17a, the first starting opening detecting switch 14a, and the second starting opening detecting switch 15a. Is inputted, predetermined data is added to a prize ball counter used for a prize ball provided for each winning opening and updated.

  Furthermore, when a detection signal is input from the first start port detection switch 14a, if the data set in the first special symbol hold number (U1) storage area is less than 4, the first special symbol hold number ( U1) Add 1 to the storage area to obtain special symbol determination random number value, jackpot symbol random number value, small hit symbol random number value, reach determination random value, and special symbol variation random value The random number value is stored in a predetermined storage unit (0th storage unit to 4th storage unit) in the first special symbol random value storage area.

  Similarly, when a detection signal is input from the second start port detection switch 15a, if the data set in the second special symbol hold number (U2) storage area is less than 4, the second special symbol hold number (U2) 1 is added to the storage area, and a special symbol determination random number value, a big hit symbol random number value, a small hit symbol random number value, a reach determination random number value, and a special symbol variation random value are acquired. Various random numbers are stored in a predetermined storage unit (0th storage unit to 4th storage unit) in the second special symbol random number value storage area.

  When a detection signal is input from the gate detection switch 13a, if the data set in the normal symbol hold number (G) storage area is less than 4, the normal symbol hold number (G) storage area is set to 1. It adds, acquires the random number value for normal symbol determination, and memorize | stores the acquired random number value for normal symbol determination in the predetermined memory | storage part (0th memory | storage part-4th memory | storage part) in a normal symbol holding | maintenance storage area.

  Further, when a detection signal is input from the first grand prize opening detection switch 16a or the second big prize opening detection switch 17a, the number of game balls won in the first big prize opening 16 or the second big prize opening 17 is counted. 1 is added to the number of entries (C) storage area for the big winning opening to update.

  In step S300, the main CPU 110a, based on the input control process in step S200, performs a special symbol / special electric accessory control process (hereinafter referred to as “a special jackpot lottery, a special electric accessory, and a gaming state control”). Special figure special electricity control process ”). Details of the special figure special electric control process will be described later with reference to FIG.

In step S400, the main CPU 110a performs a normal symbol / ordinary electric accessory control process (hereinafter referred to as a “general-purpose electric power control process”) for performing the normal symbol lottery and the control of the ordinary electric accessory.
Specifically, it is first determined whether or not 1 or more data is set in the normal symbol hold count (G) storage area, and 1 or more data must be set in the normal symbol hold count (G) storage area. If this is the case, the current ordinary power transmission control process is terminated.

If 1 or more data is set in the normal symbol holding number (G) storage area, after subtracting 1 from the value stored in the normal symbol holding number (G) storage area, the data is in the normal symbol holding storage area. The normal symbol determination random numbers stored in the first storage unit to the fourth storage unit are shifted to the previous storage unit. At this time, the normal symbol determination random value already written in the 0th storage unit is overwritten and erased.
Then, referring to the hit determination table, a process is performed to determine whether or not the normal symbol determination random number value stored in the 0th storage unit of the normal symbol hold storage area is a random value corresponding to “win”. Thereafter, the normal symbol display device 22 displays the normal symbol variation display, and when the normal symbol variation time has elapsed, the normal symbol corresponding to the result of the normal symbol lottery display is stopped. If the random number for normal symbol determination referred to is “winning”, the start opening / closing solenoid 15c is driven to control the second start opening 15 to the second mode for a predetermined opening time.

  In step S500, the main CPU 110a performs a payout control process. In this payout control process, the main CPU 110 a refers to each prize ball counter, generates payout number designation commands corresponding to various winning ports, and transmits the generated payout number designation commands to the payout control unit 130. To do.

  In step S600, the main CPU 110a, external information data, start opening / closing solenoid data, first big prize opening opening / closing solenoid data, second big prize opening opening / closing solenoid data, special symbol display device data, normal symbol display device data, the number of memories Performs data creation for the specified command.

In step S700, the main CPU 110a performs output control processing. In this process, port output processing is performed for outputting signals of the external information data, the start opening / closing solenoid data, the first big prize opening / closing solenoid data, and the second big prize opening / closing solenoid data created in step S600.
Further, the special symbol display device data and the normal symbol display device data created in step S600 are used to turn on the LEDs of the first special symbol display device 20, the second special symbol display device 21, and the normal symbol display device 22. Display device output processing is performed.

  In step S710, the main CPU 110a performs control command transmission processing. Specifically, the main CPU 110a generates control command information by adding an error check value (or initial value) to the control command set in the transmission data storage area of the main RAM 110c, and generates the generated control command information. The information is transmitted to the subsequent control unit 180 via the effect control unit 120 and the effect control unit 120. Details of the control command transmission process will be described later with reference to FIGS. 13 and 14.

  In step S800, the main CPU 110a restores the information saved in step S100 to the register of the main CPU 110a.

Next, the special figure special electric control process of the main control unit 110 will be described.
FIG. 11 is a flowchart showing a special figure special power control process by the main control unit 110 according to the present embodiment.

  In step S301, the main CPU 110a reads the value of the special figure special electricity processing data. This “Special Figure Special Electric Processing Data” is a value assigned to the address of the storage area in which each subroutine of the special figure special electric control process is stored, and which subroutine is processed by referring to the special figure special electric processing data. You can identify what to do. The special figure special electricity processing data is set as necessary in each subroutine of the special figure special electricity control processing as will be described later, and the subroutine necessary for the game is appropriately processed.

  In step S302, the main CPU 110a refers to the branch destination address from the read special figure special processing data, and if the special figure special electric processing data = 0, the main CPU 110a moves the processing to the special symbol storage determination process (step S310). If the process data = 1, the process moves to the special symbol variation process (step S320). If the process data is 2, the process moves to the special symbol stop process (step S330), and the special figure special electricity process data = 3. If so, the process moves to the jackpot game process (step S340). If the special figure special power process data = 4, the process moves to the jackpot game end process (step S350). The process is transferred to the game process (step S360).

  In the special symbol memory determination process in step S310, the main CPU 110a performs a jackpot determination process, a special symbol determination process for determining a special symbol to be stopped and displayed, a variation time determination process for determining a variation time of the special symbol, and the like. Here, the specific content of the special symbol memory determination process will be described with reference to FIG.

  FIG. 12 is a flowchart of the special symbol memory determination process performed by the main control unit 110 according to the present embodiment.

In step S311, the main CPU 110a determines whether or not one or more data is set in the first special symbol hold count (U1) storage area or the second special symbol hold count (U2) storage area.
If one or more data is not set in any storage area of the first special symbol hold count (U1) storage area or the second special symbol hold count (U2) storage area, the special figure special electricity processing data = 0. The special symbol variation process of this time is terminated while holding.
On the other hand, if one or more data is set in the first special symbol hold count (U1) storage area or the second special symbol hold count (U2) storage area, the process proceeds to step S312.

In step S312, the main CPU 110a performs a jackpot determination process.
Specifically, when one or more data is set in the second special symbol hold count (U2) storage area, 1 is calculated from the value stored in the second special symbol hold count (U2) storage area. After the subtraction, the various random numbers stored in the first to fourth storage units in the second special symbol random number storage area are shifted to the previous storage unit. At this time, various random values already written in the 0th storage unit are overwritten and deleted. Then, referring to the jackpot determination table, whether the special symbol determination random number value stored in the 0th storage unit of the second special symbol random value storage area is a random value corresponding to “big hit” or “small hit” It is determined whether it is a random value corresponding to.

  In addition, when one or more data is not set in the second special symbol hold number (U2) storage area and one or more data is set in the first special symbol hold number (U1) storage area, Various random numbers stored in the first to fourth storage units in the first special symbol random number storage area after subtracting 1 from the value stored in the first special symbol hold number (U1) storage area Is shifted to the previous storage unit. Also at this time, various random numbers already written in the 0th storage unit are overwritten and deleted. Then, referring to the jackpot determination table, whether the special symbol determination random number value stored in the 0th storage unit of the first special symbol random number storage area is a random value corresponding to “big hit” or “small hit” It is determined whether it is a random value corresponding to.

  In the present embodiment, the random number value stored in the second special symbol random value storage area is shifted (digested) with priority over the first special symbol random value storage area. However, the first special symbol storage area or the second special symbol storage area may be shifted in the order of winning in the starting opening, and the first special symbol storage area is given priority over the second special symbol storage area. You may let them.

In step S313, the main CPU 110a performs a special symbol determination process for determining the type of special symbol to be stopped and displayed.
In this special symbol determination process, when it is determined as “big hit” in the jackpot determination process (step S312), the symbol determination table is referred to and stored in the 0th storage unit of the first special symbol random value storage area. The jackpot symbol (special symbol 1 to special symbol 6) is determined based on the random number value for the jackpot symbol. In addition, when it is determined as “small hit” in the jackpot determination process (step S312), the small hit stored in the 0th storage unit of the first special symbol random value storage area with reference to the symbol determination table Based on the symbol random number value, the small hit symbol (special symbol A, special symbol B) is determined. Further, when it is determined as “losing” in the jackpot determination process (step S312), the symbol determining table (special symbol 0) is determined with reference to the symbol determining table.
Then, stop symbol data corresponding to the determined special symbol is stored in the stop symbol data storage area.

In step S314, the main CPU 110a performs special symbol variation time determination processing.
Specifically, referring to the variation pattern determination table, based on the reach determination random value and the special diagram variation random value stored in the 0th storage unit of the first special symbol random value storage area, the special symbol Determine the variation pattern. Thereafter, the variation time of the special symbol corresponding to the determined variation pattern of the special symbol is determined. Then, a process of setting a counter corresponding to the determined variation time of the special symbol in the special symbol time counter is performed.

In step S315, the main CPU 110a sets, in a predetermined processing area, variation display data for causing the first special symbol display device 20 or the second special symbol display device 21 to perform special symbol variation display (LED blinking). . As a result, when the variable display data is set in the predetermined processing area, the LED lighting / extinguishing data is appropriately created in step S600, and the created data is output in step S700. Variation display of the special symbol display device 20 or the second special symbol display device 21 is performed.
Further, the main CPU 110a, when the special symbol variation display is started, the special symbol variation pattern designation command (the first special symbol variation pattern designation command) corresponding to the variation pattern of the special symbol determined in step S314. Alternatively, the second special symbol variation pattern designation command) is set in the transmission data storage area of the main RAM 110c.

  In step S316, the main CPU 110a sets the special symbol special electricity processing data = 0 to the special symbol special electric treatment data = 1, prepares to move to the special symbol variation processing subroutine, and ends the special symbol memory determination processing.

The description of the special figure special electric control process shown in FIG. 11 will be returned.
In the special symbol variation process of step S320, the main CPU 110a performs a process of determining whether or not the special symbol variation time has elapsed.
Specifically, it is determined whether or not the variation time of the special symbol determined in step S314 has elapsed (special symbol time counter = 0), and if it is determined that the variation time of the special symbol has not elapsed The special symbol variation process is terminated while the special symbol special electricity processing data = 1 is held. Note that the special symbol variation time counter set in step S314 is subtracted in step S110.

If it is determined that the variation time of the special symbol has elapsed, the special symbol determined in step S313 is stopped and displayed on the first special symbol display device 20 or the second special symbol display device 21. Thereby, the special symbol is stopped and displayed on the first special symbol display device 20 or the second special symbol display device 21, and the player is notified of the jackpot determination result.
When the number of high probability games (X)> 0, 1 is subtracted from the high probability game number (X) counter and updated. When the number of high probability games (X) = 0, the high probability game flag is cleared. .
Finally, the special symbol special power processing data = 1 is set to the special symbol special power processing data = 2, preparation is made to move to a special symbol stop processing subroutine, and the special symbol variation processing is terminated.

In the special symbol stop process in step S330, the main CPU 110a performs a process of determining whether the special symbol that is stopped and displayed is a “big hit symbol”, a “small bonus symbol”, or a “losing symbol”. Do.
When it is determined that the game is a jackpot symbol, the data stored in the gaming state storage area is referred to and data indicating the current gaming state is set in the gaming state buffer. Thereafter, the data (high probability game flag) and high probability game count (X) counter stored in the game state storage area (high probability game flag storage area or the like) are cleared. Further, the special figure special power processing data = 2 is set to the special figure special electric processing data = 3, preparation is made to move to the jackpot game processing subroutine, and the special symbol stop processing is ended.

In addition, when it is determined that the small winning symbol, the data stored in the game state storage area is not cleared, and the special figure special electric processing data = 2 to the special figure special electric treatment data = 5 is set. The special symbol stop process is completed by making preparations for transferring to a winning game process subroutine.
On the other hand, if it is determined that the symbol is a lost symbol, the special symbol special electric processing data = 2 is set to special special electric symbol processing data = 0, and the special symbol memory determination processing subroutine is prepared for the special symbol stop processing. finish.

In the jackpot game process of step S340, the main CPU 110a determines which jackpot of the long hit or short hit is executed, and performs a process of controlling the determined jackpot.
Specifically, first, with reference to the special electric accessory operating mode determination table, the jackpot release mode is determined based on the type of jackpot symbol (stop symbol data) determined in step S313.

Next, in order to execute the determined jackpot opening mode, the bonus game opening mode table is referred to, the opening time corresponding to the type of jackpot is set in the special game timer counter, and the first jackpot opening / closing solenoid The drive data of 16c (or the second big prize opening / closing solenoid 17c) is output to open the first big prize opening / closing door 16b (or the second big prize opening / closing door 17b). At this time, 1 is added to the round game count (R) storage area.
When a predetermined number of game balls enter during the opening or when the opening time of the big prize opening has elapsed (the number of the big prize opening (C) = 9 or the special game timer counter = 0), The output of the drive data of the big prize opening / closing solenoid 16c (or the second big prize opening / closing solenoid 17c) is stopped, and the first big prize opening / closing door 16b (or the second big prize opening / closing door 17b) is closed. Thereby, one round game is completed. This round game control is repeated 15 times.

  When the 15 round games are completed (round game count (R) = 15), the data stored in the round game count (R) storage area and the number of winning prize entrance (C) storage areas are cleared, The special figure special electric processing data = 3 is set to the special figure special electric treatment data = 4, preparation is made to move to the big hit game end processing subroutine, and the big hit game processing is ended.

In the jackpot game end process of step S350, the main CPU 110a performs a process of determining a probability game state of either a high probability game state or a low probability game state.
Specifically, with reference to the jackpot game end setting data table, based on the data stored in the game state buffer and the type of jackpot symbol (stop symbol data) determined in step S313, the high probability game Set a flag and set the number of high probability games (X). For example, in the case of the special symbol 1, the high probability game flag is set in the high probability game flag storage area, and the high probability game number (X) counter is set to 10,000 times.
After that, the special symbol special power processing data = 4 is set to the special symbol special power processing data = 0, preparation is made to move to a special symbol memory determination processing subroutine, and the jackpot game end processing is terminated.

In the small hit game process of step S360, the main CPU 110a first refers to the special electric accessory operation mode determination table, and based on the type of small hit symbol (stop symbol data) determined in step S313 above, Determine the opening mode.
Next, in order to execute the determined small winning opening mode, the large winning opening opening mode table is referred to, and the small winning opening time is set in the special game timer counter, and the second large winning port opening / closing solenoid 17c is set. The drive data is output to open the second big prize opening / closing door 17b. At this time, 1 is added to the number-of-releases (K) storage area.
When the small winning opening time elapses (special game timer counter = 0), the drive data output of the second big prize opening / closing solenoid 17c is stopped and the second big prize opening / closing door 17b is closed. The opening / closing control of the second big prize opening opening / closing door 17b is repeated 15 times.

  Then, the opening / closing control of the second grand prize opening / closing door 17b is performed 15 times, or a predetermined number of game balls enter the second big prize opening 17 (the number of times of opening (K) = 15 or the grand prize opening entrance) Number (C) = 9), in order to end the small hit game, the output of the drive data of the second large winning opening / closing solenoid 17c is stopped, the number of times of opening (K) storage area and the number of winning winning holes (C) Clear the data stored in the storage area, set special figure special electricity processing data = 5 to special figure special electricity treatment data = 0, and prepare to move to a special symbol memory judgment processing subroutine. The winning game process is terminated.

Next, control command transmission processing of the main control unit 110 will be described.
13 and 14 are flowcharts showing a control command transmission process by the main control unit 110 in the present embodiment.

  When the timing of the control command transmission process in the initialization process of step S10 of the main process of the main control unit 110 in FIG. 9 or the timing of the control command transmission process of step S710 of the timer interrupt process of the main control unit 110 comes, step S711 The control command output unit 510 determines whether or not it is the transmission timing of the control command by referring to whether or not the control command transmitted this time is set in the transmission data storage area.

  When the control command is set, the control command output unit 510 determines that it is the transmission timing of the control command. Then, control command output unit 510 outputs the control command to error check value calculation unit 540, information control unit 550, and addition unit 560 of error check value generation unit 520, and proceeds to step S712. If the control command is not set, it is determined that it is not the transmission timing of the control command, and the control command transmission process is terminated. Specifically, when the control command transmitted this time is stored in the transmission data storage area of the main RAM 110c, the main CPU 110a determines that it is the transmission timing of the control command, and acquires the control command.

  Subsequently, in step S712, the error check value generation unit 520 determines whether or not the calculation start flag is “ON”. The calculation start flag is a flag for determining whether an initial value is set or whether generation is performed based on check value generation information when determining the error check value Vd. While set, it is set to be “off”. If the calculation start flag is “ON”, the error check value generation unit 520 moves the process to step S721, and if the calculation start flag is not “ON”, that is, if it is “OFF”, moves the process to step S731. .

  When the calculation start flag is not “ON”, in step S731, the error check value generation unit 520 acquires the mth initial value. Note that the value of the variable m is cleared in the initialization process described above (FIG. 9, step S10).

  In step S732, the error check value generation unit 520 sets the acquired initial value as the current error check value Vd. Next, in step S733, the error check value generation unit 520 substitutes m + 1 for m and adds “1” to m.

  Next, in step S734, the error check value generation unit 520 determines whether or not the data for which the initial value is set is completed, that is, whether or not the initial value is set for the mth data. The error check value generation unit 520 moves the process to step S735 if the data for which the initial value is set is completed, and moves the process to step S741 if the data for which the initial value is set is not completed.

  If the data for which the initial value is set has been completed, in step S735, the error check value generation unit 520 sets the calculation start flag to “ON”, and moves the process to step S741.

On the other hand, if the calculation start flag is “ON” in the determination in step S712, the error check value generation unit 520 sets “0” to the variable (n) in step S721. This variable (n) is for determining bit information Cn, bit extraction mask value Mn, and bit information Dn of inspection value generation information, which will be described later.
Next, in step S722, the error check value generation unit 520 acquires the initial value of the bit extraction mask value Mn, that is, the bit extraction mask value M0.

  Next, in step S723, the error check value generation unit 520 acquires bit information Cn from the check value generation information stored in the nth storage area of the check value generation information storage area. The bit information Cn indicates bit information of the inspection value generation information stored in the nth storage area of the inspection value generation information storage area.

For example, when processing for the control command 7 is performed when the control command shown in FIG. 6 is output, dummy data is stored in the 0th storage area and the 1st storage area of the inspection value generation information storage area. Yes. Control commands 1 to 4 are stored in the second storage area to the fifth storage area of the inspection value generation information storage area, respectively. Furthermore, the initial value of the control command 5 is stored in the sixth storage area of the inspection value generation information storage area, and the control command 6 is stored in the seventh storage area. Therefore, the error check value generation unit 520 acquires the bit information of the dummy data stored in the 0th storage area as the bit information C0 when n = 0, and the bit information C7 as the bit information C7 when n = 7. 7 Get the bit information of the control command 6 stored in the storage area.
When processing for the control command 9 is performed, the data in the check value generation information storage area is shifted by two, so that the error check value generation unit 520 sets the bit information C0 when n = 0. The bit information of the control command 1 is acquired. When n = 7, the bit information of the control command 8 is acquired as the bit information C7.

  Subsequently, in step S724, the error check value generation unit 520 extracts the bit information Dn from the acquired bit information Cn and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn and the bit extraction mask value Mn is set as bit information Dn.

The bit extraction mask value Mn is as shown in FIG.
[M0 = 00000001] (binary number display, and so on)
[M1 = 00000010]
...
[M7 = 10000000]
M0, M1,..., M7, and the number of digits in the binary number display is incremented by one as the value of n increases. In terms of display, the value obtained by rotating (shifting) M1 to the left by 1 bit is M2, and the value obtained by rotating M2 by 1 bit to the left is M3 (the same applies hereinafter).

That is, by extracting the logical product of the bit extraction mask value Mn (n = 0 to 7) and the bit information Cn,
(1) Extract bit information of only the first digit from bit information C1,
(2) Extract bit information of only the second digit from bit information C2,
...
(8) Bit information of only the eighth digit can be extracted from the bit information C8.

  Thereby, it is possible to extract bit information of different digits by 1 digit from the inspection value generation information stored in the 0th storage area to the 7th storage area. In this way, a bit string selection pattern (diagonal pattern) that does not overlap the bit information string (bit string) can be set by the bit extraction mask value Mn.

  Subsequently, in step S725, the error check value generation unit 520 adds “1” to the variable (n) and updates it as a new variable (n).

  Next, in step S726, the error check value generation unit 520 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S727. If it is determined that “n <8” is not satisfied, the process proceeds to step S728.

  In step S727, the error check value generation unit 520 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 1 bit to generate Mn. Then, the process returns to step S723, and the above process is repeated.

On the other hand, when it is determined that “n <8” is not satisfied (NO in step S726), in step S728, the error check value generation unit 520 determines the bit information Vd from the extracted bit information Dn (0 ≦ n ≦ 7). Generate. Specifically, a logical sum of the extracted bit information Dn (0 ≦ n ≦ 7) is calculated and used as new bit information Vd. That is, in the above step S724, bit information Vd is generated by synthesizing bit information extracted from digits different from each other by one digit of the test value generation information stored in the seventh storage area from the zeroth storage area. .
The portion surrounded by a dotted line in FIG. 6 indicates bit information Vd generated from bit information extracted from digits different from the inspection value generation information corresponding to the control commands from control command 1 to control command 8 by one digit. The portion surrounded by a two-dot chain line indicates bit information Vd generated from bit information extracted from digits different from the inspection value generation information corresponding to the control commands from the control command 3 to the control command 10 by one digit. Yes.

  Subsequently, in step S729, the error check value generation unit 520 adds a predetermined calculation to the generated bit information Vd to generate an error check value Vd. In the present embodiment, the generated bit information Vd is directly used as the error check value Vd.

  Next, in step S741, the error check value generation unit 520 shifts the check value generation information in the seventh storage area from the first storage area of the check value generation information storage area to the previous storage area. The inspection value generation information stored in the 0th storage area is overwritten and erased by the inspection value generation information stored in the first storage area.

  Next, in step S742, the information control unit 550 determines whether or not the control command to be transmitted this time is a control command for switching stored information. If the control command to be transmitted this time is a control command for switching stored information, the information control unit 550 proceeds to step S744. If the control command to be transmitted is not a control command for switching stored information, the information control unit 550 proceeds to step S743.

  If the control command to be transmitted this time is not a control command for switching the stored information, in step S743, the information control unit 550 stores the control command to be transmitted this time in the seventh storage area of the inspection value storage area, and then proceeds to step S745. Move processing.

  On the other hand, when the control command to be transmitted this time is a control command for switching stored information, in step S744, the information control unit 550 stores the error check value Vd generated this time in the seventh storage area of the check value storage area. Then, the process proceeds to step S745.

Next, in step S745, the addition unit 560 generates control command information by adding the error check value Vd generated by the error check value generation unit 520 to the control command to be transmitted this time, and outputs the control command information to the transmission unit 570. To do.
That is, when the control command 9 is transmitted, the test value generation information (the test stored in the 0th storage area to the 7th storage area) corresponding to a predetermined control command (control command 1 to control command 8) transmitted in the past. The bit information Vd generated using the value generation information) is added with a predetermined operation as the error check value Vd.

  Subsequently, in step S746, the transmission unit 570 receives the control command information generated by the adding unit 560 and transmits it to the effect control unit 120, and then ends the control command transmission process.

[Control processing of rear-stage control unit]
Hereinafter, the control processing of the rear stage control unit 180 of the gaming machine 1 in the embodiment of the present invention will be described.
FIG. 15 and FIG. 16 are flowcharts showing the main processing by the subsequent stage control unit 180 in the present embodiment.

  As shown in FIGS. 15 and 16, in step S3001, the CPU 180a of the post-stage control unit 180 performs an initialization process. In this initialization process, the CPU 180a reads a program code related to the main process from the ROM 180b in response to power-on. At the same time, the CPU 180a performs processing for initializing a flag stored in the RAM 180c and setting it to a predetermined value.

  Subsequently, in step S3002, the CPU 180a checks whether control command information is stored in the reception data storage area of the reception unit 610 of the post-stage control unit 180, and determines whether the control command information has been received. judge. If control command information is not stored in the reception data storage area, CPU 180a repeats this step, and if control command information is stored in the reception data storage area, the process proceeds to step S3011.

  Subsequently, in step S3011, the receiving unit 610 of the subsequent control unit 180 acquires the control command and the error check value Vd from the control command information stored in the received data storage area. The receiving unit 610 also sends the control command received this time to the error checking value calculation unit 640 and the information control unit 650 and the adding unit 670 of the error checking value generation unit 620, and the acquired error checking value Vd to the error checking unit 660. Is output.

  Subsequently, in step S3012, the error check value generation unit 620 determines whether the calculation start flag is “ON”. This calculation start flag is the same as the calculation start flag used in the control command transmission process of the main control unit 110. Whether or not an initial value is set when determining the test value Vd ′ is determined. Is a flag for determining whether or not to generate based on the above, and is set to be “off” while the initial value is set. If the calculation start flag is “ON”, the error check value generation unit 620 moves the process to step S3021, and if the calculation start flag is not “ON”, that is, if it is “OFF”, moves the process to step S3031. .

  If the calculation start flag is not “ON”, in step S3031, the error check value generation unit 620 acquires the mth initial value. Note that the value of the variable m is cleared in the above-described initialization process (step S3001).

  In step S3032, the error check value generation unit 620 sets the acquired initial value as the current error check value. Next, in step S3033, the error check value generation unit 620 substitutes m + 1 for m and adds “1” to m.

  Next, in step S <b> 3034, the error check value generation unit 620 determines whether or not the data for which the initial value is set is completed, that is, whether or not the initial value is set for the mth data. The error check value generation unit 620 moves the process to step S3035 if the data for which the initial value is set is completed, and moves the process to step S3041 if the data for which the initial value is set is not completed.

  If the data for which the initial value is set has been completed, in step S3035, the error check value generation unit 620 sets the calculation start flag to “ON”, and moves the process to step S3041.

On the other hand, if it is determined in step S3012 that the calculation start flag is “ON”, in step S3021, the error check value generation unit 620 sets “0” to the variable (n). This variable (n) determines the bit information Cn, the bit extraction mask value Mn, and the bit information Dn (respectively see FIG. 6) of the inspection value generation information.
Next, in step S3022, the error check value generation unit 620 acquires the initial value of the bit extraction mask value Mn, that is, the bit extraction mask value M0.

  Next, in step S3023, the error check value generation unit 620 acquires bit information Cn ′ from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S3024, the error check value generation unit 620 extracts bit information Dn ′ from the acquired bit information Cn ′ and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn ′ and the bit extraction mask value Mn is set as bit information Dn ′.

  Subsequently, in step S3025, the error check value generation unit 620 adds “1” to the variable (n) and updates it as a new variable (n).

  Next, in step S3026, the error check value generation unit 620 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S3027. If it is determined that “n <8” is not satisfied, the process proceeds to step S3028.

  In step S3027, the error check value generation unit 620 rotates the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 1 bit to generate Mn. Then, the process returns to step S3023 to repeat the above process.

  On the other hand, when it is determined that “n <8” is not satisfied (NO in step S3026), in step S3028, the error check value generation unit 620 checks the check value Vd from the extracted bit information Dn ′ (0 ≦ n ≦ 7). ′ Is generated. Specifically, a logical sum of the extracted bit information Dn ′ (0 ≦ n ≦ 7) is calculated, and this is set as a new inspection value Vd ′.

  Subsequently, in step S3029, the error check value generation unit 620 adds a predetermined calculation to the generated bit information Vd ′ to generate a check value Vd ′. In the present embodiment, the generated bit information Vd ′ is directly used as the inspection value Vd ′.

  Next, in step S3041, the error check value generation unit 620 shifts the check value generation information in the seventh storage area from the first storage area of the check value generation information storage area to the previous storage area. The inspection value generation information stored in the 0th storage area is overwritten and erased by the inspection value generation information stored in the first storage area.

  Next, in step S3042, the information control unit 650 determines whether or not the control command received this time is a control command for switching stored information. If the control command received this time is a control command for switching stored information, the information control unit 650 proceeds to step S3044. If the received control command is not a control command for switching stored information, the information control unit 650 proceeds to step S3043.

  If the control command received this time is not a control command for switching the storage information, in step S3043, the information control unit 650 stores the control command received this time in the seventh storage area of the inspection value storage area, and in step S3045. Move processing.

  On the other hand, if the control command received this time is a control command for switching stored information, in step S3044, the information control unit 650 stores the test value Vd ′ generated this time in the seventh storage area of the test value storage area. Then, the process proceeds to step S3045.

  Next, in step S3045, the error checking unit 660 of the effect control unit 120 collates the error check value Vd acquired in step S3011 with the check value Vd ′ generated this time by the error check value generating unit 620, and performs error checking. Do.

  Subsequently, in step S3046, if the two error check values are the same as a result of the error check in step S3045, the error check unit 660 authenticates the validity of the control command transmitted this time because the check result is correct. Is successful (the result of step S3046 is YES), the process proceeds to step S3052. If they are not the same, the error checking unit 660 determines that the control command is not valid and the authentication is unsuccessful because the check result is not correct (the result of step S3046 is NO), and the process proceeds to step S3051. Move.

In step S3051, the error checking unit 660 generates authentication result data indicating that the verification of the validity of the control command was unsuccessful, and outputs the authentication result data to the adding unit 670.
On the other hand, in step S <b> 3052, the error checking unit 660 generates authentication result data indicating that the validity of the control command has been successfully authenticated, and outputs the generated authentication result data to the adding unit 670.

  In step S3053, the adding unit 670 generates a control command with authentication result data by adding the authentication result data output from the error checking unit 660 to the control command received from the receiving unit 610 this time. Output to the unit 680.

  Subsequently, in step S3054, transmission unit 680 transmits the control command with authentication result data output from addition unit 670 to effect control unit 120. Thereafter, the process returns to step S3002, and the above process is repeated.

[Control processing of production control unit]
Hereinafter, the control processing of the effect control unit 120 of the gaming machine 1 according to the embodiment of the present invention will be described. First, the main process of the production control unit 120 will be described.
FIG. 17 is a flowchart showing main processing by the effect control unit 120 according to the present embodiment.

  In step S1100, the sub CPU 120a performs an initialization process. In this process, the sub CPU 120a reads the program code related to the main process from the sub ROM 120b in response to power-on. At the same time, the sub CPU 120a performs a process of initializing a flag stored in the sub RAM 120c and setting it to a predetermined value. If this process ends, the process moves to a step S1110.

  In step S1110, the sub CPU 120a performs an effect random number update process. In this process, the sub CPU 120a performs a process of updating the effect random number value, effect design determining random number, effect mode determining random number and the like stored in the sub RAM 120c. Thereafter, the process of step S1110 is repeated until a predetermined interrupt process is performed.

Next, the interruption process of the production control unit 120 will be described.
FIG. 18 is a flowchart illustrating an example of the procedure of the interrupt process performed by the effect control unit 120. Based on a clock signal output from a clock pulse generation circuit (not shown) provided in the effect control unit 120, the sub CPU 120a performs timer allocation of the effect control unit 120 at predetermined intervals (for example, 4 milliseconds). Execute the included process.

  In step S1200, the sub CPU 120a saves the information stored in the register of the sub CPU 120a to the stack area.

  In step S1300, the sub CPU 120a performs update processing of various timer counters used in the effect control unit 120.

  In step S1400, the sub CPU 120a performs relay transmission processing. In this relay transmission process, the sub CPU 120a once transmits the control command information stored in the first reception data storage area of the sub RAM 120c, which stores the reception data from the main control unit 110, to the subsequent control unit 180. Thus, relay transmission processing is performed to relay the control command information transmitted from the main control unit 110 to the subsequent control unit 180.

  The sub CPU 120a captures and stores the received control command information in the first received data storage area. Then, in the relay transmission process, the sub CPU 120a writes and sets the control command or the like stored in the first reception data storage area as it is in the transmission data storage area of the sub RAM 120c. Subsequently, the sub CPU 120a immediately transmits the control command information set in the transmission data storage area of the sub RAM 120c to the subsequent control unit 180.

In step S1500, the sub CPU 120a performs command analysis processing. In this command analysis process, the sub CPU 120a performs a process of analyzing the type of the control command written in the second received data storage area that stores the received data from the subsequent control unit 180 provided in the sub RAM 120c.
The control command information transmitted from the main control unit 110 is relay-transmitted from the effect control unit 120 to the subsequent control unit 180 in the relay transmission process. Thereafter, the control command information is used for authentication processing in the post-stage control unit 180 as described above. The latter-stage control unit 180 transmits to the effect control unit 120 a control command with authentication result data generated by adding the authentication result data, which is the result of the authentication process, to the control command.

The sub CPU 120a writes and stores the received control command with authentication result data in the second received data storage area.
If the sub CPU 120a determines that the data stored in the second received data storage area is a control command in the command analysis process, the sub CPU 120a further analyzes the type of the data and performs a process according to the type of the control command. I do. Details of the command analysis process will be described later.

  In step S <b> 1600, the sub CPU 120 a checks the signal of the effect button detection switch 35 a and performs effect input control processing related to the input from the effect button 35.

  In step S1700, the sub CPU 120a performs an effect output control process, which is a process for transmitting the control command and various data set in the transmission data storage area of the sub RAM 120c to the lamp control unit 140 and the image control unit 150. Do.

  In step S1800, the sub CPU 120a restores the information saved in step S1200 to the register of the sub CPU 120a.

Next, command analysis processing of the effect control unit 120 will be described.
19 and 20 are flowcharts showing the command analysis processing (command analysis processing 1 = FIG. 19, command analysis processing 2 = FIG. 20) by the effect control unit 120 according to the present embodiment. The command analysis process 2 in FIG. 20 is performed subsequent to the command analysis process 1 in FIG.

In step S1501, the sub CPU 120a checks whether or not the control command information is stored in the second received data storage area of the receiving unit 610, and determines whether or not the control command information is received.
If the control command information is not stored in the second received data storage area, the sub CPU 120a ends the command analysis process. If the control command information is stored in the second received data storage area, the sub CPU 120a performs the process in step S2000. Move.

  In step S2000, the sub CPU 120a acquires authentication result data from the control command information with authentication result data stored in the second reception data storage area, and performs authentication result data analysis processing. Details of the authentication result data analysis processing will be described later with reference to FIG. When the authentication result data analysis process ends, the process proceeds to step S1510.

In step S1510, the sub CPU 120a confirms whether or not the control command stored in the second reception data storage area is a demonstration designation command.
If the control command stored in the second received data storage area is a demo designation command, the sub CPU 120a moves the process to step S1511. If not, the sub CPU 120a moves the process to step S1520.

In step S1511, the sub CPU 120a performs a demonstration effect pattern determination process for determining a demonstration effect pattern.
Specifically, the demonstration effect pattern is determined, the determined demonstration effect pattern is set in the effect pattern storage area, and information on the determined demonstration effect pattern is transmitted to the image control unit 150 and the lamp control unit 140. An effect pattern designation command based on the demo effect pattern is set in the transmission data storage area of the sub-RAM 120c.

In step S1520, sub CPU 120a checks whether or not the control command stored in the second received data storage area is a special symbol storage designation command.
If the control command stored in the second received data storage area is a special symbol storage designation command, the sub CPU 120a moves the process to step S1521, and moves to step S1530 if it is not a special symbol storage designation command.

  In step S1521, the sub CPU 120a analyzes the special symbol storage designation command to determine the number of display images of special symbols to be displayed on the liquid crystal display device 31 (hereinafter referred to as “special diagram reserved images”). The special symbol display number designation command corresponding to the display number of the special figure reserved images is transmitted to the image control unit 150 and the lamp control unit 140, and a special symbol storage number determination process is performed.

In step S1530, sub CPU120a confirms whether the control command memorize | stored in the 2nd receiving data storage area is an effect designating command.
If the control command stored in the second received data storage area is an effect designating command, the sub CPU 120a moves the process to step S1531, and if not the effect designating command, moves the process to step S1540.

In step S1531, the sub CPU 120a performs an effect symbol determination process for determining an effect symbol 36 to be stopped and displayed on the liquid crystal display device 31 based on the content of the received effect symbol designation command.
Specifically, the effect designating command is analyzed, the effect symbol data constituting the combination of the effect symbols 36 is determined according to the presence / absence of jackpot and the type of jackpot, and the determined effect symbol data is stored in the effect symbol storage area In addition, in order to transmit the effect symbol data to the image control unit 150 and the lamp control unit 140, a stop symbol designation command indicating the effect symbol data is set in the transmission data storage area of the sub RAM 120c.

  In step S1532, the sub CPU 120a acquires one random value from the effect mode determination random value updated in step 1110, and based on the acquired effect mode determination random value and the received effect designating command, An effect mode determination process for determining one effect mode from a plurality of effect modes (for example, a normal effect mode and a chance effect mode) is performed. Further, the determined effect mode is set in the effect mode storage area.

In step S1540, the sub CPU 120a checks whether or not the control command stored in the second received data storage area is a variation pattern designation command.
If the control command stored in the second received data storage area is the variation pattern designation command, the sub CPU 120a moves the process to step S1541 and moves the process to step S1550 if it is not the variation pattern designation command.

In step S1541, the sub CPU 120a acquires one random value from the effect random number updated in step S1110 (see FIG. 17), the acquired effect random value, the received variation pattern designation command, and effect mode. Based on the effect mode set in the storage area, a variation effect pattern determination process for determining one variable effect pattern from a plurality of variable effect patterns is performed.
Specifically, in the normal effect mode, the variation effect pattern determination table is referred to, one change effect pattern is determined based on the acquired effect random number value, and the determined change effect pattern is stored in the effect pattern storage area. At the same time, in order to transmit the determined variation effect pattern information to the image control unit 150 and the lamp control unit 140, an effect pattern designation command based on the determined variation effect pattern is set in the transmission data storage area of the sub RAM 120c.
Thereafter, based on the effect pattern, the liquid crystal display device 31, the audio output device 32, the effect drive device 33, and the effect illumination device 34 are controlled. Note that the variation mode of the effect symbol 36 is determined based on the variation effect pattern determined here.

In step S1550, the sub CPU 120a checks whether or not the control command stored in the second received data storage area is a symbol determination command.
If the control command stored in the second received data storage area is the symbol confirmation command, the sub CPU 120a moves the process to step S1551, and moves to step S1560 if it is not the symbol confirmation command.

  In step S1551, the sub CPU 120a performs an effect symbol stop display process for setting a stop designation command for stopping the effect symbol in the transmission data storage area of the sub RAM 120c in order to stop the effect symbol 36.

In step S1560, the sub CPU 120a determines whether or not the control command stored in the second reception data storage area is a gaming state designation command.
If the control command stored in the second received data storage area is a gaming state designation command, the sub CPU 120a moves the process to step S1561, and if not the gaming command, the sub CPU 120a moves the process to step S1570.

  In step S1561, the sub CPU 120a sets data indicating the gaming state based on the received gaming state designation command in the gaming state storage area in the sub RAM 120c.

In step S1570, the sub CPU 120a checks whether or not the control command stored in the second reception data storage area is an opening designation command.
If the control command stored in the second received data storage area is an opening designation command, the sub CPU 120a moves the process to step S1571, and if not the opening command, moves the process to step S1580.

In step S1571, the sub CPU 120a performs a hit start effect pattern determination process for determining a hit start effect pattern.
Specifically, the hit start effect pattern is determined based on the opening designation command, the determined hit start effect pattern is set in the effect pattern storage area, and information on the determined hit start effect pattern is transmitted to the image controller 150 and the lamp. In order to transmit to the control unit 140, an effect pattern designation command based on the determined hit start effect pattern is set in the transmission data storage area of the sub RAM 120c.

In step S1580, the sub CPU 120a checks whether or not the control command stored in the second received data storage area is a special winning opening opening designation command.
If the control command stored in the second received data storage area is a big winning opening release designation command, the sub CPU 120a moves the process to step S1581, and if not, moves the processing to step S1590. .

In step S1581, the sub CPU 120a performs a jackpot effect pattern determination process for determining a jackpot effect pattern.
Specifically, the jackpot effect pattern is determined based on the big prize opening opening designation command, the determined jackpot effect pattern is set in the effect pattern storage area, and information on the determined jackpot effect pattern is transmitted to the image controller 150 and the lamp. In order to transmit to the control unit 140, an effect pattern designation command based on the determined jackpot effect pattern is set in the transmission data storage area of the sub RAM 120c.

In step S1590, the sub CPU 120a checks whether or not the control command stored in the second received data storage area is an ending designation command.
If the control command stored in the second received data storage area is an ending designation command, the sub CPU 120a moves the process to step S1591, and if not the ending designation command, moves the process to step S1600 (see FIG. 18).

In step S1591, the sub CPU 120a performs a hit end effect pattern determination process for determining a hit end effect pattern.
Specifically, the winning end effect pattern is determined based on the ending designation command, the determined hit end effect pattern is set in the effect pattern storage area, and information on the determined hit end effect pattern is stored in the image control unit 150 and the lamp. In order to transmit to the control unit 140, an effect pattern designation command based on the determined winning end effect pattern is set in the transmission data storage area of the sub RAM 120c. When this process ends, the command analysis process ends.

Next, the authentication result data analysis process of the effect control unit 120 will be described.
FIG. 21 is a flowchart showing authentication result data analysis processing by the effect control unit 120 in the present embodiment.

  As shown in FIG. 21, in step S2001, the sub CPU 120a of the effect control unit 120 acquires authentication result data from the control command with authentication result data written in the second received data storage area.

Subsequently, in step S2002, the sub CPU 120a determines whether or not the acquired authentication result data is a result indicating a successful authentication. If the authentication result data is a result indicating that the authentication is successful, the sub CPU 120a determines that the authentication in the succeeding control unit 180 has succeeded and that the authenticity of the gaming machine 1 has been authenticated, and the authentication result End the data analysis process.
On the other hand, if the authentication result data indicates that the authentication result is unsuccessful, the sub CPU 120a may have been unsuccessful in the authentication at the subsequent control unit 180 and an illegal act or a communication error may have occurred in the gaming machine 1. And the process proceeds to step S2003.

  In step S2003, since the sub CPU 120a determines that there is a possibility that an illegal act or a communication error has occurred in the gaming machine 1, the sub CPU 120a outputs a notification signal to notify that fact, and ends the authentication result data analysis processing.

  The sub CPU 120a transmits the generated notification signal to, for example, the image control unit 150, the lamp control unit 140, or a hall computer (center control device) that manages the gaming machine 1. Based on the received notification signal, the image control unit 150, the lamp control unit 140, and the like execute an effect that notifies that there is a possibility that an illegal act or a communication error has occurred in the gaming machine 1. This effect is, for example, causing a character that does not normally appear on the liquid crystal display device 31 to appear, or causing a character that normally appears to appear by a method different from the usual. In addition, the brightness of the liquid crystal display device 31 may be changed, the color may be changed, or the lamp controller 140 may be controlled to display a predetermined lamp. In addition, voice control for outputting a predetermined voice to the image control unit 150, such as outputting a special voice such as an alarm sound from the voice output device 32, may be performed. In any case, when the employee of the game shop passes in front of the gaming machine 1, it is only necessary to notice the state. This effect may be an effect that the customer does not notice the state or an effect that the customer can easily notice. If the production is easily noticed by the customer, fraud can be efficiently suppressed.

  The notification signal may include information related to the gaming state of the gaming machine 1 such as “Big hit” or “Probability changing”. Based on the information relating to the gaming state, it may be determined whether or not an illegal act is performed by a center control device or the like that manages the gaming machine 1. For example, there may be a case where winnings are concentrated during jackpots or probability fluctuations even if the winnings are concentrated. Therefore, it is better to determine whether or not there is a risk of fraudulent behavior under conditions different from other states during jackpots or probability fluctuations. Moreover, you may make it output the information regarding a gaming state as another signal, without including in a notification signal. In this case, the employee determines whether there is a risk of fraud based on both the notification signal and the information regarding the gaming state.

  The authentication process when the latter control unit 180 is connected to the payout control unit 130 is substantially the same procedure as the authentication process when the latter control unit 180 is connected to the effect control unit 120. Since it is performed, the description is omitted.

  As described above, in the present embodiment, the main control unit 110 switches between the control command and the currently generated error check value in accordance with the control command transmitted this time, and stores it as check value generation information. . The main control unit 110 generates an error check value based on the check value generation information stored as described above. The main control unit 110 adds the generated error check value to the control command to be transmitted this time and transmits the control command information to the subsequent control unit 180 via the effect control unit 120.

On the other hand, the latter control unit 180 switches between the control command and the test value generated this time according to the control command received this time, and stores it as test value generation information. Further, the post-stage control unit 180 generates a test value based on the test value generation information stored as described above. Then, the post-stage control unit 180 performs an error check by comparing the error check value included in the control command information received this time with the generated check value.
That is, in the present embodiment, an error check value generated from a plurality of combinations of past control commands and error check values is added to the control command to be transmitted this time, and is transmitted from main control unit 110 to subsequent control unit 180. ing.

  An error check value such as a normal checksum is added to the control command of the generation source and used for a communication error check. In contrast, as described above, the gaming machine 1 of the present embodiment adds an error check value generated from a plurality of combinations of control commands and error check values transmitted in the past to the control command to be transmitted this time. . By using such an unprecedented new and simple technique, even if an unauthorized person illegally exploits a control command and an error check value, the relationship between the control command and the error check value cannot be easily known. Therefore, according to this embodiment, fraud by an unauthorized person can be prevented and the security strength can be improved.

  In this embodiment, a part of bit information is extracted from each of a plurality of combinations of control commands and error check values, and the extracted bit information is synthesized (reconstructed, rearranged, etc.). The bit information was used as an error check value. Further, the bit information to be extracted is bit information of a different digit for each control command and error check value. That is, using one transmission opportunity, bit information is extracted with a bit string that forms an “oblique” without overlapping the bit strings. In this way, by extracting bit information with different bit strings from all control commands and error check values to be extracted, it is easy to understand how the bit information is extracted, but it is simple. Various extraction methods can be employed. Thereby, the accuracy and security strength of fraud detection can be increased.

  For this reason, even if an unauthorized person illegally exploits a control command and an error check value, the relationship between the control command and the error check value cannot be easily known. Even if an unauthorized person notices that an error check value is generated based on the bit information of the control command and the error check value, it must identify which bit information is used and how it is used. Is almost impossible. Therefore, according to this embodiment, fraud by an unauthorized person can be prevented and the security strength can be improved.

For example, in order to analyze an error check value, it is necessary to know the following.
1. What is the bit pattern used to generate the error check value?
2. What are the combinations of control commands and error checking values?
3. How many control commands or error checking values are used when extracting bit information?
4). How to select the control command and error check value to be used.
5. How many bits are extracted from one control command or error check value at a time?
6). Are further calculations performed on the extracted bit pattern information?
7). What kind of calculation is used when calculation is used?

  Furthermore, the control commands used for generating the error check value are composed of control commands that are randomly and intermittently transmitted based on the gaming state, or are composed of control commands that are transmitted continuously. The error check value cannot be predicted.

  Therefore, the error check value is not easily analyzed by an unauthorized person, and even if the control command and the error check value are illegally exploited, the desired error check value is not generated and the effect of suppressing the fraud is suppressed. Can be increased.

  Further, the error check value generated from the control command and error check value transmitted by the main control unit 110 in the past is added to the control command to be transmitted this time and transmitted, and the subsequent control unit 180 performs the authentication process. In addition to authenticating the validity of the control command received this time, the control command and error check value received in a predetermined past, that is, the control command and error check value from which the error check value added this time was generated Sex can also be authenticated.

  Further, in this embodiment, an error check value is added to each control command and transmitted from the main control unit 110 to the subsequent control unit 180 via the effect control unit 120, and the subsequent control unit 180 performs an authentication process for each control command. So that fraud can always be inspected.

  Further, in the gaming machine 1 of the present embodiment, the error check value can also be used as a check value for communication error check. By using the error check value in this way, a check value for performing an error check. In addition, it is possible to prevent fraud by an unauthorized person with a simple configuration without providing a means for separately generating a communication error check value and a communication error check value, thereby improving the security strength. That is, in a situation where the resources of the main control board of the gaming machine are limited, it is possible to suppress an increase in processing load on the main control board while improving the security strength.

  Further, according to the present embodiment, since the authentication process is executed only by the post-stage control unit 180, an increase in the processing load on the CPU configuring the peripheral unit 300 can be suppressed. For this reason, it is possible to authenticate the control command while preventing the occurrence of problems such as the processing speed of the peripheral portion 300 being reduced and the display for presentation not being performed smoothly.

  Furthermore, according to the present embodiment, since the post-stage control unit 180 that executes the authentication process and the peripheral unit 300 that performs the predetermined process are independent of each other, the authentication program or hardware, The processing program or hardware can be designed separately. This makes it easier to design the timing to add the authentication function, implement the function, verify the function, design the hardware, etc., compared to adding the authentication function to the processing of the peripheral unit 300 that performs the predetermined process. Can be realized. Further, since the configuration of the authentication program and the predetermined processing program is relatively simple, it is easy to maintain consistency with other functions.

  Furthermore, according to the present embodiment, since the authentication process can be made common even if the predetermined process is different for each model of the gaming machine 1, the program design for each model of the gaming machine 1 Hardware design is easy, design time can be shortened, and work efficiency can be improved.

  As mentioned above, although one Embodiment which is an example of the game machine of this invention was described in detail, the game machine of this invention is not limited to the said embodiment.

In the above-described embodiment, bit information is extracted using only “MODE” information constituting the control command as an example. However, the present invention is not limited to this. For example, bit information may be extracted from “DATA” information constituting the control command. Also, bit information may be extracted from control command information (1-byte “MODE” information, 1-byte “DATA” information, 1-byte error check value information), and control command information may be configured. Any or a combination of the above information may be used as a target for extracting bit information. In particular,
Bit information is extracted from 1-byte information of “DATA”.
Bit information is extracted from 1-byte information of “error check value”.
Bit information is extracted from 2-byte information of “MODE” + “DATA”.
Bit information is extracted from 2-byte information of “MODE” + “error check value”.
Bit information is extracted from 2-byte information of “DATA” + “error check value”.
Bit information is extracted from 3-byte information of “MODE” + “DATA” + “error check value”.

Further, the total number of pieces of test value generation information stored in the storage unit 530 and the storage unit 630 is not limited to eight. For example, if the bit information of the data from which the bit information is extracted (control command, control command information, etc.) is 24 bits, if the 24 control commands are stored in the storage unit, the data is stored. Bit information can be extracted bit by bit from each of the 24 data to generate a 24-bit error check value.
As described above, when the bit information to be extracted becomes large, it becomes more difficult for an unauthorized person to analyze which bit information has been extracted. Therefore, by extracting bit information from the control command information and generating an error check value, fraud by an unauthorized person can be further prevented and the security strength can be improved.

  In the above embodiment, bit information is extracted bit by bit from different digits of the plurality of check value generation information, and the bit information formed (reconstructed) by arranging the bit information for each extracted digit is converted into an error check value. However, it is not limited to this. For example, the number of bits to be extracted may be 2 bits or 3 bits. This is because the same effect as that of the above-described embodiment can be obtained if a part of the bit information constituting the inspection value generation information is extracted. However, by suppressing the number of bits to be extracted, it is possible to extract error information by extracting bit information from a plurality of pieces of inspection value generation information (more inspection value generation information). Thereby, even if an unauthorized person illegally exploits the control command and the error check value, it becomes more difficult to easily know the relationship between the control command and the error check value.

  Further, the rearranged bit information is further rearranged, other operations (four arithmetic operations, logical operations, etc.) are added to the reconfigured bit information, or another element (for example, this time) An error check value may be generated by adding a control command transmitted or transmitted in the past, an error check value generated in the past, or the like. In this way, even if an unauthorized person illegally exploits a control command and an error check value, it is more difficult to easily know the relationship between the control command and the error check value. Also, if an error check value is generated using the control command transmitted this time, the control command transmitted this time is the target of inspection even when an error check value is stored as the check value generation information instead of the control command. Thus, the reliability of the inspection can be improved. Therefore, according to this embodiment, fraud by an unauthorized person can be prevented and the security strength can be improved.

  In the above embodiment, the error check value added to the Nth control command is generated using the check value generation information for the control command transmitted before the (N−1) th. Not limited to this. For example, a control command to be transmitted Nth may be added. That is, in order to generate an error check value to be added to the Nth control command to be transmitted, a part of bit information is extracted also from the Nth control command. Even if comprised in this way, while being able to acquire the effect similar to the said embodiment, the total number of the control commands memorize | stored in the memory | storage part 530 and the memory | storage part 630 can further be reduced, and the memory | storage part 530 and memory | storage It is possible to further prevent the storage area capacity in the unit 630 (and thus the main control unit 110 and the subsequent control unit 180) from being compressed.

  Furthermore, in the above-described embodiment, a pattern (diagonal selection pattern) in which a bit string (diagonal bit string) in which bit information to be extracted does not overlap is selected based on the bit extraction mask value Mn is described, but the present invention is not limited to this. For example, the bit extraction mask value Mn may be a selection pattern in which a part (or all) of the bit string to be selected overlaps, a selection pattern in which the selected bit string has a “V” shape, or “ A selection pattern (hereinafter referred to as a “character selection pattern”) may be adopted.

  Hereinafter, as a first modification of the above-described embodiment, a control command transmission process performed by the main control unit 110 in the case of employing a “character selection pattern” in which a bit string selection pattern is a character “<” will be described. In the following modified example 1, the same reference numerals and steps as those in the above embodiment are the same as those described in the above embodiment, and the description thereof is omitted.

(Modification 1)
22 and 23 are flowcharts showing a control command transmission process by the main control unit 110 in the first modification. The processes in steps S711 to S712 and steps S729 to 746 are the same as the contents described in FIG. 13 and FIG. 14 and thus will not be described. Only the processes in steps S811 to S821 will be described. FIG. 24 is a diagram illustrating the format of control command information in the first modification.

In step S811, the error check value generation unit 520 sets a variable (n). Specifically, the error check value generation unit 520 sets “0” to the variable (n).
Next, in step S812, the error check value generation unit 520 acquires the initial value of the bit extraction mask value Mn, that is, the bit extraction mask value M0.

  Next, in step S813, the error check value generation unit 520 acquires bit information Cn from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S814, the error check value generation unit 520 extracts bit information Dn from the acquired bit information Cn and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn and the bit extraction mask value Mn is set as bit information Dn.

The bit extraction mask value Mn is as shown in FIG.
[M0 = 00000011] (binary display, and so on)
[M1 = 000001100]
[M2 = 00110000]
[M3 = 11,000,000]
[M4 = 11,000,000]
[M5 = 00110000]
[M6 = 000001100]
[M7 = 00000011]
In M0, M1,..., M3, the number of digits in the binary number display is incremented by two digits as the value of n increases. In terms of display, the value obtained by rotating M0 by 2 bits to the left is M1, and the value obtained by rotating M1 by 2 bits to the left is M2 (the same applies hereinafter).
In M4, M5,..., M7, when the value of n increases, the number of digits in the binary number display is incremented by two digits. In terms of display, a value obtained by shifting M4 to the right by 2 bits is M5 (the same applies hereinafter).

Further, by extracting the logical product of the bit extraction mask value Mn (n = 0 to 7) and the bit information Cn of the inspection value generation information,
(1) Extract bit information of only the first and second digits from the bit information C1,
(2) Extract bit information of only the third and fourth digits from the bit information C2,
(3) Extract bit information of only the fifth and sixth digits from the bit information C3,
(4) Extract bit information of only the seventh and eighth digits from the bit information C4,
(5) Extract bit information of only the seventh and eighth digits from the bit information C5,
(6) Extract bit information of only the fifth and sixth digits from the bit information C6,
(7) Extract bit information of only the third and fourth digits from the bit information C7,
(8) Bit information of only the first and second digits can be extracted from the bit information C8.
In other words, in the first modification, the bit value is represented by a bit string imitating the character “ku” of Hiragana from a plurality of bit information Cn according to the initial value (M0) of the mask value Mn for bit extraction and the number of bits to be shifted. Information can be extracted.

  Subsequently, in step S815, the error check value generation unit 520 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S816, the error check value generation unit 520 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S817. If it is determined that “n <8” is not satisfied, the process proceeds to step S821.

  In step S817, the error check value generation unit 520 determines whether or not “n <4”. At this time, if it is determined that “n <4”, the process proceeds to step S818. If it is determined that “n <4” is not satisfied, the process proceeds to step S819.

  In step S818, the error check value generation unit 520 generates Mn by shifting the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to the left. Then, the process returns to step S813 to repeat the above process.

  On the other hand, when it is determined that “n <4” is not satisfied (NO in step S817), in step S819, the error check value generation unit 520 determines whether “n> 4” is satisfied. That is, the error check value generation unit 520 determines whether or not “n = 4”. At this time, if it is determined that “n> 4”, the process proceeds to step S820. If it is determined that “n> 4” is not satisfied, the process returns to step S813 to repeat the above process.

  In step S820, the error check value generation unit 520 generates Mn by shifting the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to the right. Then, the process returns to step S813 to repeat the above process.

  On the other hand, when it is determined that “n <8” is not satisfied (NO in step S816), in step S821, the error check value generation unit 520 determines the bit information Vd from the extracted bit information Dn (0 ≦ n ≦ 7). Generate. Specifically, an exclusive OR (XOR) of the extracted bit information Dn (0 ≦ n ≦ 7) is calculated, and this is used as new bit information Vd.

That is,
[Vd = D0 XOR D1 XOR D2 XOR D3
XOR D4 XOR D5 XOR D6 XOR D7]
Thereby, bit information Vd is generated from the bit information extracted from each of the test value generation information stored in the 0th storage area to the 7th storage area.
Note that a portion surrounded by a dotted line in FIG. 24 indicates a bit string extracted for the control command 9. That is, bit information is extracted from a bit string that imitates the character “ku”.

  The bit information Vd generated by the processing in steps S811 to S821 is transmitted as control command information in step S746 through the processing in steps S729 to S745 already described.

  Also in the first modification, in step S742, the information control unit 550 determines whether the control command to be transmitted this time is a control command for switching stored information. If the control command to be transmitted this time is not a control command for switching the storage information, the information control unit 550 stores the control command to be transmitted this time and the control command to be transmitted this time is a control command for switching the storage information. If there is, the error check value Vd generated this time is stored in step S744.

  FIG. 25 and FIG. 26 are flowcharts showing main processing by the post-stage control unit 180 in the first modification. The processing of the same step numbers (step S3011 to step S3012, step S3029 to step S3051) as in FIG. 15 and FIG. 16 is the same as the content described in FIG. 15 and FIG. Only the processing of step numbers (steps S3111 to S3121) different from those in FIG. 16 will be described.

In step S <b> 3111, the error check value generation unit 620 of the subsequent stage control unit 180 sets a variable (n). Specifically, the error check value generation unit 620 sets “0” to the variable (n).
Next, in step S3112, the error check value generation unit 620 acquires a bit extraction mask value Mn. Specifically, the error check value generation unit 620 acquires the bit extraction mask value M0.

  Next, in step S3113, the error check value generation unit 620 acquires bit information Cn ′ from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S3114, the error check value generation unit 620 extracts bit information Dn ′ from the acquired bit information Cn ′ and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn ′ and the bit extraction mask value Mn is set as bit information Dn ′ (see FIG. 24 and step S814 above for the bit extraction mask value Mn).

  Subsequently, in step S3115, the error check value generation unit 620 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S3116, the error check value generation unit 620 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S3117. If it is determined that “n <8” is not satisfied, the process proceeds to step S3121.

  In step S3117, the error check value generation unit 620 determines whether or not “n <4”. At this time, if it is determined that “n <4”, the process proceeds to step S3118. If it is determined that “n <4” is not satisfied, the process proceeds to step S3119.

  In step S3118, the error check value generation unit 620 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S3113 to repeat the above process.

  On the other hand, when it is determined that “n <4” is not satisfied (NO in step S3117), in step S3119, the error check value generation unit 620 determines whether “n> 4”. That is, the error check value generation unit 620 determines whether or not “n = 4”. At this time, if it is determined that “n> 4”, the process proceeds to step S3120. If it is determined that “n> 4” is not satisfied, the process returns to step S3113 to repeat the above process.

  In step S3120, the error check value generation unit 620 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S3113 to repeat the above process.

  On the other hand, if it is determined that “n <8” is not satisfied (NO in step S3116), in step S3121 the error check value generation unit 620 determines the check value Vd from the extracted bit information Dn ′ (0 ≦ n ≦ 7). ′ Is generated. Specifically, an exclusive OR (XOR) of the extracted bit information Dn ′ (0 ≦ n ≦ 7) is calculated, and this is set as the inspection value Vd ′.

That is,
[Vd ′ = D0 XOR D1 XOR D2 XOR D3
XOR D4 XOR D5 XOR D6 XOR D7]
Thereby, the inspection value Vd ′ is generated from the bit information extracted from each of the inspection value generation information from the 0th storage area to the seventh storage area of the inspection value generation information storage area.

  Based on the check value Vd ′ generated by the processing in steps S3111 to S3121, the error check value Vd acquired from the received control command information is authenticated in the processing of steps S3045 to S3051 already described. .

  As described above, in the first modification, a case has been described in which bit string selection patterns having the same partial bit strings (digits) are used for the bit information to be extracted. Even if it is a case like this modification 1, the same effect as the above-mentioned embodiment can be acquired.

  Further, in the first modification, bit information is extracted by a bit string forming a “koji” by using one transmission opportunity. Further, depending on the shape of the bit pattern or the bit pattern extraction method, certain bit information may not be checked or may be checked redundantly. As a result, an unauthorized person who wants to analyze the error check value can be disturbed, and the analysis can be made difficult. Therefore, the accuracy and security strength of fraud detection can be increased.

  Note that the bit string selection pattern is not limited to the “character selection pattern” as long as bit information is extracted from a part of the bit strings, but is not limited to “V character” or “zigzag (W It may be a letter or a shape in which W is laid sideways).

  In the above-described embodiment and Modification 1, the bit string selection pattern has the same shape every time (that is, “oblique” or “character shape” every time), but is not limited thereto. For example, the bit string selection pattern may change randomly each time. In the following, a simpler form (Modification 2) will be described in which the same bit string selection pattern does not continue. Also in the following second modification, the same reference numerals and steps as those in the first embodiment or the first modification are the same as those described in the first embodiment or the first modification, and the description thereof is omitted.

(Modification 2)
27 and 28 are flowcharts showing a control command transmission process by the main control unit 110 in the second modification. The processing of the same step numbers (step S711 to step S712 and steps S729 to 746) as in FIGS. 13 and 14 is the same as that described in FIGS. Only the processing of step numbers different from those in FIG. 14 (steps S850 to S869) will be described. FIG. 29 is a diagram illustrating the format of control command information in the second modification.

  In step S850, the error check value generation unit 520 determines whether or not the first half flag is “ON”. The first half flag is used to determine whether or not the bit string selected by the bit extraction mask value Mn forms the upper half of the “Koji” (see FIG. 29). The first half flag is turned on / off in the first half flag storage area provided in the main RAM 110c, and is turned on in the initialization process.

  In step S850, the error check value generation unit 520 moves the process to step S851 when it is determined that the first half flag is “ON”, and when it is determined that the first half flag is not “ON”. The process moves to step S861.

In step S851, the error check value generation unit 520 sets a variable (n). Specifically, the error check value generation unit 520 sets “0” to the variable (n).
Next, in step S852, the error check value generation unit 520 acquires the initial value of the bit extraction mask value Mn, that is, the bit extraction mask value M0.

  Next, in step S853, the error check value generation unit 520 acquires bit information Cn from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S854, the error check value generation unit 520 extracts the bit information Dn from the acquired bit information Cn and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn and the bit extraction mask value Mn is set as bit information Dn (the bit extraction mask value Mn is the same as that described in FIG. 24 and step S814 above. (See FIG. 29).

  Subsequently, in step S855, the error check value generation unit 520 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S856, the error check value generation unit 520 determines whether or not “n <4”. At this time, if it is determined that “n <4”, the process proceeds to step S857. If it is determined that “n <4” is not satisfied, the process proceeds to step S858.

  In step S857, the error check value generation unit 520 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S853 and the above process is repeated.

  On the other hand, when it is determined that “n <4” is not satisfied (NO in step S856), in step S858, the error check value generation unit 520 determines the bit information Vd from the extracted bit information Dn (0 ≦ n ≦ 3). Generate. Specifically, an exclusive OR (XOR) of the extracted bit information Dn (0 ≦ n ≦ 3) is calculated, and this is used as new bit information Vd.

That is,
[Vd = D0 XOR D1 XOR D2 XOR D3]
Thereby, the bit information Vd is generated from the bit information extracted from the inspection value generation information stored in the third storage area from the 0th storage area.
Note that a portion surrounded by a dotted line in FIG. 29 (a portion in which some bits of the control command 1 to control command 4 are surrounded) indicates a bit string extracted for the control command 9. In other words, bit information is extracted from a bit string having a shape imitating the upper half of the “Koji”.

  Subsequently, in step S859, the error check value generation unit 520 sets the first half flag to “off”, and moves the process to step S729. As a result, from the next time bit information is extracted, the bit information is extracted from the bit string that forms the lower half of the “K”.

On the other hand, if it is determined that the first half flag is not “ON” (NO in step S850), error check value generation unit 520 sets variable (n) in step S861. Specifically, the error check value generation unit 520 sets “4” to the variable (n).
Next, in step S862, the error check value generation unit 520 acquires the bit extraction mask value Mn, that is, the bit extraction mask value M4.

  Next, in step S863, the error check value generation unit 520 acquires bit information Cn from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S864, the error check value generation unit 520 extracts bit information Dn from the acquired bit information Cn and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn and the bit extraction mask value Mn is set as bit information Dn.

  Subsequently, in step S865, the error check value generation unit 520 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S866, the error check value generation unit 520 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S867. If it is determined that “n <8” is not satisfied, the process proceeds to step S868.

  In step S867, the error check value generation unit 520 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S863 and the above process is repeated.

  On the other hand, if it is determined that “n <8” is not satisfied (NO in step S866), in step S868, error check value generation unit 520 generates bit information Vd from extracted bit information Dn (4 ≦ n ≦ 7). To do. Specifically, an exclusive OR (XOR) of the extracted bit information Dn (4 ≦ n ≦ 7) is calculated, and this is used as new bit information Vd.

That is,
[Vd = D4 XOR D5 XOR D6 XOR D7]
Thereby, the bit information Vd is generated from the bit information extracted from the test value generation information stored in the fourth storage area to the seventh storage area.
Note that a portion surrounded by a two-dot chain line in FIG. 29 (a portion in which some bits of the control command 6 to the control command 9 are surrounded) indicates a bit string extracted for the control command 10. In other words, bit information is extracted from a bit string having a shape imitating the lower half of the “Koji”.

  Subsequently, in step S869, the error check value generation unit 520 sets the first half flag to “ON”, and moves the process to step S729. As a result, the next time bit information is extracted, the bit information is extracted from the bit string that forms the upper half of the “character shape”.

  The bit information Vd generated by the processing in steps S850 to S869 is transmitted as control command information in step S746 through the processing in steps S729 to S745 already described.

  Also in the second modification, in step S742, the information control unit 550 determines whether the control command to be transmitted this time is a control command for switching stored information. If the control command to be transmitted this time is not a control command for switching the storage information, the information control unit 550 stores the control command to be transmitted this time and the control command to be transmitted this time is a control command for switching the storage information. If there is, the error check value Vd generated this time is stored in step S744.

  FIG. 30 and FIG. 31 are flowcharts showing the authentication process by the post-stage control unit 180 in the second modification. The processing of the same step numbers (step S3001 to step S3012, step S3029 to step S3054) as in FIGS. 15 and 16 is the same as that described in FIGS. Only the processing of step numbers (steps S3210 to S3229) different from FIG. 16 will be described.

  In step S3210, the error check value generation unit 620 of the rear stage control unit 180 determines whether or not the first half flag is “ON”. This first half flag is for the latter control unit 180 similar to that used in the control command transmission process of the main control unit 110. The first half flag is turned on / off in the first half flag storage area provided in the sub-RAM 120c, and is turned on in the initialization process.

  In step S3210, the error check value generation unit 620 moves the process to step S3211 when it is determined that the first half flag is “ON”, and when it is determined that the first half flag is not “ON”. The process moves to step S3221.

In step S3211, the error check value generation unit 620 sets a variable (n). Specifically, the error check value generation unit 620 sets “0” to the variable (n).
Next, in step S3212, the error check value generation unit 620 acquires the bit extraction mask value Mn. Specifically, the error check value generation unit 620 acquires the bit extraction mask value M0.

  Next, in step S3213, the error check value generation unit 620 acquires bit information Cn ′ from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S3214, the error check value generation unit 620 extracts bit information Dn ′ from the acquired bit information Cn ′ and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn ′ and the bit extraction mask value Mn is defined as bit information Dn ′ (the bit extraction mask value Mn is the same as that described in FIG. 24 and step S854 above. The same shall apply, see FIG.

  Subsequently, in step S3215, the error check value generation unit 620 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S3216, the error check value generation unit 620 determines whether or not “n <4”. At this time, if it is determined that “n <4”, the process proceeds to step S3217. If it is determined that “n <4” is not satisfied, the process proceeds to step S3218.

  In step S3217, the error check value generation unit 620 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S3213 to repeat the above process.

  On the other hand, if it is determined that “n <4” is not satisfied (NO in step S3216), in step S3218, the error check value generation unit 620 determines the check value Vd from the extracted bit information Dn ′ (0 ≦ n ≦ 3). ′ Is generated. Specifically, an exclusive OR (XOR) of the extracted bit information Dn ′ (0 ≦ n ≦ 3) is calculated, and this is set as a new inspection value Vd ′.

That is,
[Vd ′ = D0 XOR D1 XOR D2 XOR D3]
Thereby, the inspection value Vd ′ is generated from the bit information extracted from the inspection value generation information from the 0th storage area to the third storage area of the inspection value generation information storage area.

  Subsequently, in step S3219, the error check value generation unit 620 sets the first half flag to “OFF”, and moves the process to step S3029. As a result, from the next time bit information is extracted, the bit information is extracted from the bit string that forms the lower half of the “K”.

On the other hand, if it is determined that the first half flag is not “ON” (NO in step S3210), error check value generation unit 620 sets variable (n) in step S3221. Specifically, the error check value generation unit 620 sets “4” to the variable (n).
Next, in step S3222, the error check value generation unit 620 acquires the bit extraction mask value Mn. Specifically, the error check value generation unit 620 acquires the bit extraction mask value M4.

  Next, in step S3223, the error check value generation unit 620 acquires bit information Cn ′ from the check value generation information stored in the nth storage area of the check value generation information storage area.

  Subsequently, in step S3224, the error check value generation unit 620 extracts bit information Dn ′ from the acquired bit information Cn ′ and the bit extraction mask value Mn. Specifically, the logical product of the acquired bit information Cn ′ and the bit extraction mask value Mn is set as bit information Dn ′.

  Subsequently, in step S3225, the error check value generation unit 620 adds “1” to the variable (n) and updates it as a new (n).

  Next, in step S3226, the error check value generation unit 620 determines whether or not “n <8”. At this time, if it is determined that “n <8”, the process proceeds to step S3227. If it is determined that “n <8” is not satisfied, the process proceeds to step S3228.

  In step S3227, the error check value generation unit 620 shifts the bit extraction mask value M (n−1), that is, the bit extraction mask value used immediately before by 2 bits to generate Mn. Then, the process returns to step S3223 and the above process is repeated.

  On the other hand, if it is determined that “n <8” is not satisfied (NO in step S3226), in step S3228, the error check value generation unit 620 determines the check value Vd ′ from the extracted bit information Dn ′ (4 ≦ n ≦ 7). Is generated. Specifically, an exclusive OR (XOR) of the extracted bit information Dn ′ (4 ≦ n ≦ 7) is calculated and used as new bit information Vd ′.

That is,
[Vd ′ = D4 XOR D5 XOR D6 XOR D7]
Thereby, bit information Vd ′ is generated from the bit information extracted from the inspection value generation information from the fourth storage area to the seventh storage area of the inspection value generation information storage area.

  Subsequently, in step S3229, the error check value generation unit 620 sets the first half flag to “ON”, and moves the process to step S3029. As a result, the next time bit information is extracted, the bit information is extracted from the bit string that forms the upper half of the “character shape”.

  Based on the check value Vd ′ generated by the processing in steps S3210 to S3229, the error check value Vd acquired from the received control command information is authenticated in the processing of steps S3045 to S3051 already described. .

  As described above, in the second modification, a case has been described in which the same bit string selection pattern does not continue for the bit information to be extracted. Even if it is a case like this modification 2, the same effect as the above-mentioned embodiment can be obtained.

  In the second modification, an error check value is generated after the bit information is extracted in “upper half of the character” in some cases, and the bit information is generated in the “lower half of the character” in other cases. Is extracted and an error check value is generated. In other words, bit information is extracted with a bit string forming a “koji” by using two transmission opportunities. Thereby, each bit of the transmitted control command and error check value is checked at a plurality of different timings. In addition, since the error check value is a value that randomly varies every time it is generated, it is possible to make an illegal analysis of the error check value difficult. Further, depending on the shape of the bit pattern or the bit pattern extraction method, certain bit information may not be checked or may be checked redundantly. As a result, an unauthorized person who wants to analyze the error check value can be disturbed, and the analysis can be made difficult. Therefore, the accuracy and security strength of fraud detection can be increased.

  In the above embodiment, the latter control unit 180 adds the authentication result as the authentication result data to the control command and transmits it to the effect control unit 120 regardless of whether the authentication is successful or not. The invention is not limited to this. For example, the latter-stage control unit 180 may transmit authentication result data indicating unsuccessful authentication only when authentication is unsuccessful, or an authentication unsuccessful signal reporting that the authentication is unsuccessful to the effect control unit 120. Good. The effect control unit 120 may determine whether or not the authentication result data or the authentication unsuccessful signal has been received, and output the notification signal when received.

  In the above embodiment, Modification 1 and Modification 2, the main control unit 110 implements an authentication function by software using the main CPU 110a, the main ROM 110b, and the main RAM 110c. However, the present invention is not limited to this. Alternatively, an authentication function may be realized by hardware by providing a generation circuit for generating an error check value, a check circuit for performing error check, and the like.

  Further, the post-stage control unit 180 has realized an authentication function by software using the CPU 180a, the ROM 180b, and the RAM 180c. However, the present invention is not limited to this, and a generation circuit for generating an error check value or an inspection circuit for performing an error check Etc., and the authentication function may be realized by hardware.

  Moreover, you may combine the structure of the said embodiment, the modification 1 and the modification 2 suitably. That is, when extracting the bit information, if the error check value is generated with the “diagonal selection pattern”, the next time, the error check value is generated with the “character selection pattern”. It may be possible to alternate (or at a predetermined period) with the “character selection pattern”.

  Moreover, in the said embodiment, the modification 1, and the modification 2, although the example which applies this invention to a pachinko game machine was shown, this invention is not limited to this, Sparrow ball game machine, an arrangement ball, etc. The present invention can also be applied to other game machines such as a ball game machine other than a pachinko game machine and a revolving game machine such as a slot machine. Also in these gaming machines, the same effects as those of the above-described embodiment, modification 1 and modification 2 can be obtained by configuring similarly to the above-described embodiment, modification 1 and modification 2. In addition, the above-described embodiment, Modification 1 and Modification 2 can divert each other's technology unless there is a particular contradiction or problem in the purpose, configuration, or the like.

  Further, the present invention described above is a basic form for realizing an authentication method using a method in which an error check value generated using a control command or error check value transmitted in the past is added to a control command to be transmitted this time and transmitted. Thus, it can be developed into a form that realizes an authentication method with higher security strength and a method for generating an error check value.

  In the above embodiment, Modification 1 and Modification 2, an example in which the present invention is applied to a gaming machine has been described. However, the present invention is not limited to this, and the present invention is not limited to a plurality of controls such as a gaming machine. The present invention can also be applied to an electronic device that includes a unit and executes an authentication process for data transmission between these control units and an authentication method thereof. Also in these electronic devices and their authentication methods, the same effects as in the above embodiment can be obtained by configuring in the same manner as in this embodiment. In addition, the above-described embodiments can utilize each other's technology as long as there is no particular contradiction or problem in the purpose, configuration, or the like.

1 gaming machine 110 main control unit 110a main CPU
110b Main ROM
110c Main RAM
120 Production control unit 120a Sub CPU
120b Sub ROM
120c sub RAM
DESCRIPTION OF SYMBOLS 130 Discharge control part 140 Lamp control part 150 Image control part 160 Launch control part 170 Power supply part 180 Back | latter stage control part 180a CPU
180b ROM
180c RAM
510 Control command output unit 520, 620 Error check value generation unit 530, 630 Storage unit 540, 640 Error check value calculation unit 550, 650 Information control unit 560, 670 Addition unit 570, 680 Transmission unit 610 Reception unit 660 Error check unit

Claims (8)

A gaming machine comprising: a main control unit that outputs a control command; a peripheral unit that performs processing based on the control command; and a post-stage control unit that is provided at a subsequent stage of the peripheral unit,
The main control unit
Command output means for outputting the control command;
First check value generation means for generating an error check value for checking the correctness of the control command output by the command output means;
Check value adding means for generating control command information in which the error check value generated by the first check value generating means is added to the control command output by the command output means;
First transmission means for transmitting the control command information generated by the inspection value adding means to the peripheral portion;
With
The latter stage control unit
Receiving means for receiving control command information transmitted from the main control unit via the peripheral unit, and separating the control command and the error check value;
Second check value generating means for generating an error check value based on the control command received by the receiving means;
Using the error check value received by the receiving means and the error check value generated by the second check value generating means, check the validity of the received control command and generate an authentication result Inspection means to perform,
A second transmission means for transmitting the authentication result generated by the inspection means to the peripheral part;
With
The peripheral portion is
A peripheral control unit that performs processing based on the authentication result transmitted by the second transmission unit;
Furthermore, the first inspection value generating means includes
First storage means for storing check value generation information for generating the error check value;
First calculation means for generating the error check value based on the check value generation information stored in the first storage means;
Based on a predetermined condition, as the check value generation information, the control command output this time by the command output means and the error check value generated this time by the first calculation means are switched, and the first storage is performed. First information switching means stored in the means;
A gaming machine characterized by comprising: The second inspection value generation means includes
Second storage means for storing check value generation information for generating the error check value;
Second calculation means for generating the error check value based on the check value generation information stored in the second storage means;
Based on a predetermined condition, as the check value generation information, the control command received this time by the receiving means and the error check value generated this time by the second calculation means are switched, and the second storage means Second information switching means to be stored in
The gaming machine according to claim 1, comprising: The first information switching means is
Based on the control command output this time, the information to be stored in the first storage means as the inspection value generation information is switched,
The second information switching means is
The gaming machine according to claim 2, wherein information to be stored in the second storage means as the inspection value generation information is switched based on the control command received this time. The first calculation means includes
A plurality of pieces of check value generation information stored in the first storage means are selected, a part of the bit information constituting the selected check value generation information is extracted, and the error check value is based on the extracted bit information. Produces
The second calculation means includes
A plurality of pieces of check value generation information stored in the second storage means are selected, a part of the bit information constituting the selected check value generation information is extracted, and the error check value is based on the extracted bit information. The game machine according to claim 2, wherein the game machine is generated. The first calculation means includes
Extracting bit information for generating the error check value without overlapping each bit string from the plurality of check value generation information stored in the first storage means,
The second calculation means includes
5. The gaming machine according to claim 4, wherein bit information that generates the error check value without being duplicated in each bit string is extracted from the plurality of check value generation information stored in the second storage unit. . The first calculation means includes
As bit information for generating the error check value, bit information for generating the error check value redundantly from at least some of the bit strings in the plurality of check value generation information stored in the first storage unit Extract
The second calculation means includes
As bit information for generating the error check value, bit information for generating the error check value redundantly from at least some of the bit strings in the plurality of check value generation information stored in the second storage unit The gaming machine according to claim 4, wherein the game machine is extracted. The first calculation means includes
A plurality of bit string selection patterns having different bit string selection patterns for extracting bit information from a plurality of test value generation information stored in the first storage means;
Selecting the bit string selection pattern based on a predetermined condition, extracting the bit information based on the bit string selection pattern to generate the error check value;
The second calculation means includes
A plurality of bit string selection patterns having different bit string selection patterns for extracting bit information from a plurality of test value generation information stored in the second storage means;
5. The gaming machine according to claim 4, wherein the bit string selection pattern is selected based on a predetermined condition, the bit information is extracted based on the bit string selection pattern, and the error check value is generated. In an electronic device comprising: a main control unit that outputs a control command; a peripheral unit that performs processing based on the control command; and a post-stage control unit that is provided at a subsequent stage of the peripheral unit. The main control unit and the peripheral unit An authentication method for an electronic device that authenticates the validity of data transmission performed via the latter-stage control unit,
The main control unit
A command output step for outputting the control command;
A first check value generation step for generating an error check value for checking the correctness of the control command output by the command output step;
A check value adding step of generating control command information in which the error check value generated by the first check value generating step is added to the control command output by the command output step;
A first transmission step of transmitting the control command information generated by the inspection value adding step to the peripheral portion;
Run
The latter stage control unit
Receiving the control command information transmitted from the peripheral portion, and receiving the control command and the error check value;
A second check value generating step for generating an error check value based on the control command received by the receiving step;
Using the error check value received in the receiving step and the error check value generated in the second check value generating step, the validity of the received control command is checked and an authentication result is generated An inspection process to
A second transmission step of transmitting the authentication result generated by the inspection step to the peripheral portion;
Run
The peripheral portion is
Performing a peripheral control step of performing processing based on the authentication result transmitted by the second transmission step;
Further, the main control unit
In the first inspection value generation step,
A first calculation step of generating the error check value based on pre-stored check value generation information for generating the error check value;
Based on a predetermined condition, as the check value generation information, the control command output this time by the command output step and the error check value generated this time by the first calculation step are switched and stored. A first information switching step for selecting value generation information;
A first storage step of storing the information selected by the first information switching step as check value generation information for generating the error check value after the next time;
An authentication method for an electronic device, characterized in that: