JP2007209810A - Slot machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slot machine capable of providing a game with fairness. <P>SOLUTION: When an abnormality occurs in data stored in a RAM (random access memory) of a main control part 41, the slot machine is controlled to a RAM-abnormality error state to disable a game progress to shift itself to a setting change mode. Under the condition that a set point is newly selected and set based on a setting change control, the state of disabling the game progress is canceled, allowing the game to proceed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a slot machine capable of generating a predetermined winning according to a display result of a variable display device capable of variably displaying a plurality of types of identification information each identifiable, and in particular, a winning probability is selected from any of a plurality of stages. The present invention relates to a slot machine that can be set at any stage.

  For this type of slot machine, an internal lottery that decides whether or not to allow a prize to occur is allowed almost at the same time as the start of the game. Things are common. Also, at amusement stores that operate with slot machines installed, it is necessary to change the stage of winning probability of the installed slot machines in order to adjust sales. A setting value, which is a value indicating the stage of the winning probability applied as the lottery probability of the internal lottery, can be selected and set from a plurality of values having different probabilities by an operation of an employee or the like.

  On the other hand, this type of slot machine is equipped with a control unit composed of a microcomputer or the like for controlling the game, and the internal lottery is also performed by this control unit. In addition, the control unit is provided with a memory (RAM) that can rewrite data for controlling the game, and the setting value selected and set by the operation of the game shop employee or the like is also stored in this memory. However, for example, if the memory data is not backed up when the power is turned on, if the memory data is destroyed, or if a reset occurs due to a malfunction of the microcomputer, the memory data will be abnormal. In such a case, since it is impossible to return to the original state, the storage state of the memory is initialized. Of course, since the setting value is also stored in the memory, it is impossible to restore the setting value that was originally set.

  For this reason, in the conventional slot machine, when an abnormality occurs in the memory data, the memory data is initialized, and the set value includes a predetermined set value (for example, a winning probability with a payout rate close to 100%). And a setting value that determines the winning probability at which the payout rate is the lowest) are automatically set to return to a state in which the game can proceed (see, for example, Patent Documents 1 and 2).

JP-A-6-114140 JP 2000-296200 A

  However, in the conventional slot machines as described in Patent Documents 1 and 2, when an abnormality occurs in the data in the memory, the set value is selected and set by an operation of an amusement store employee or the like as described above. Since the preset setting value is automatically set instead of the set value, and the game is restored to the state in which the game can proceed, it was originally selected and set by the operation of the amusement store. An internal lottery is performed by applying the winning probability based on the set value, and the occurrence of a prize should be allowed, but if an error occurs in the memory data, it is automatically set in advance by the control of the slot machine. An internal lottery will be performed by applying the winning probability based on the set value that has been determined. In other words, the game should be played based on the setting value automatically set by the slot machine due to a malfunction of the slot machine, where the game should be played based on the setting value selected by the game shop side. There was a problem that the fairness of the game was lost.

  The present invention has been made paying attention to such a problem, and an object thereof is to provide a slot machine capable of achieving fairness of a game.

In order to solve the above-described problem, a slot machine according to claim 1 of the present invention provides:
A game can be started by setting a predetermined number of bets for one game, and a display result of a variable display device capable of variably displaying a plurality of types of identification information each identifiable can be derived and displayed. 1 is a slot machine in which one game is completed and a winning can be generated according to the display result of the variable display device,
Provided with game control means for controlling the game,
The game control means includes
Pre-decision means for deciding whether or not to allow a prize to be generated before the display result of the variable display device is derived;
Based on the operation of a predetermined setting operation means, one of the allowable stages is selected and set from a plurality of allowable stages having different ratios for determining that the pre-decision means allows the generation of a prize. An acceptable stage setting means;
Data storage means for storing data for performing control by the game control means including data indicating the allowable stage set by the allowable stage setting means;
Stored data determination means for determining whether or not the data stored in the data storage means is normal;
Disabling means for disabling the progress of the game when the stored data determination means determines that the data stored in the data storage means is not normal;
In a state where the progress of the game is disabled by the disabling means, the progress of the game is performed on the condition that the allowable stage is newly set by the allowable stage setting means based on the operation of the setting operation means. A disabling release means for releasing the disabled state and allowing the game to proceed,
It is characterized by having.
According to this feature, when an abnormality occurs in the data stored in the data storage means, the progress of the game is disabled, and an allowable stage (set value) is newly set based on the operation of the setting operation means. If the game is not selected or set, the state where the progress of the game is disabled is not released. That is, even if an abnormality occurs in the data stored in the data storage means, it is not an allowable stage automatically set by the slot machine, but an allowable stage selected and set based on the operation of the setting operation means (general In addition, since the operation of the setting operation means is operated by an employee of the amusement store, it is ensured that the game is played based on the permissible stage selected by the amusement store side), so that the fairness of the game should be ensured Can do.
Note that the predetermined number of bets is at least one bet number, and a game can be started by setting a bet number of two or more or setting a maximum bet number. good.
In addition, the slot machine of the present invention may set a bet number using medals, or may set a bet number using game balls. Further, a valuable value (credit or the like) corresponding to a medal, a game ball or the like may be stored in the slot machine, and the bet number may be set using the stored valuable value.

A slot machine according to claim 2 of the present invention is the slot machine according to claim 1,
The pre-determining unit reads the data indicating the allowable level stored in the data storage unit when determining whether or not the winning is permitted, and the data indicating the read allowable level is the allowable level Including a permissible step data determination unit that determines whether or not the data is an appropriate data indicating a permissible step settable by the step setting unit
The disabling means disables the progress of the game even when the allowable stage data determining means determines that the data indicating the allowable stage read from the data storage means is not appropriate data.
It is characterized by that.
According to this feature, when the pre-determining means determines whether or not to allow the generation of a prize, it is determined in advance if the data indicating the allowable stage that determines the percentage of the generation of the prize is not appropriate. Rather than deciding whether or not to allow the occurrence of winnings at a ratio based on the allowable level, the game progress is also disabled in this case, and a new allowable level (setting value) is set based on the operation of the setting operation means. If the game is not selected or set, the state where the progress of the game is disabled is not released. In other words, even when it is not possible to properly determine whether or not the winning is allowed in the pre-decision means, the game is played based on the permissible stage selected and set based on the operation of the setting operation means. Is secured, so that the fairness of the game can be achieved.

A slot machine according to claim 3 of the present invention is the slot machine according to claim 1 or 2,
The stored data determination means determines whether or not the data stored in the data storage means is normal only when the game control means is activated.
It is characterized by that.
According to this feature, the data stored in the data storage means is abnormal because it is almost impossible to continue the control due to a power failure or a failure in the control of the game control means. By determining whether or not the data is normal only when the game control means is activated, the determination can be performed only in a situation where there is a high possibility that the data is abnormal. That is, in a situation where there is a low possibility that an abnormality has occurred in the data, it is not necessary to make this determination, and the load on the game control means can be reduced.

A slot machine according to claim 4 of the present invention is the slot machine according to any one of claims 1 to 3,
A power interruption detection that monitors the state of predetermined power used in the slot machine and outputs a power interruption signal to the game control means when a power interruption condition related to the interruption of power supply is established With means,
The game control means includes
Triggered by the input of the power interruption signal output from the power interruption detection means, the destruction diagnosis data is calculated based on the data stored in the data storage means, and the calculated destruction diagnosis data is used as the data. Including power interruption processing means for executing power interruption processing stored in a specific area of the storage means,
The stored data determination means calculates destruction diagnosis data based on data stored in a storage area excluding a specific area of the data storage means when the game control means is activated, and the calculated destruction diagnosis data And the destructive diagnosis data stored in the specific area of the data storage means, and when the comparison results match, it is determined that the data stored in the data storage means is normal, Determining that the data stored in the data storage means is not normal when the comparison results do not match,
It is characterized by that.
According to this feature, it is possible to determine whether or not the data stored in the data storage means is normal only by comparing the destruction diagnosis data calculated at the time of power interruption with the destruction diagnosis data calculated at the time of startup. Therefore, it is possible to accurately and easily determine whether the data is normal.

A slot machine according to claim 5 of the present invention is the slot machine according to any one of claims 1 to 4,
The game control means includes
Transition operation determination means for determining whether or not the transition operation means for shifting to the setting operation valid state in which the setting operation at the allowable stage by the setting operation means is valid when the game control means is activated is performed. When,
A setting operation valid state transition means for transitioning to the setting operation valid state on the condition that the transition operation determining means determines that the operation of the transition operation means has been performed at the time of starting the game control means;
At the time of starting the game control means, it is determined that the transition operation means is operated by the transition operation determination means, and the setting operation valid state transition means shifts to the setting operation valid state, Data initialization means for initializing data stored in the data storage means;
Including
When the game control means is activated, the transfer operation determination means operates before the stored data determination means determines whether or not the data stored in the data storage means is normal. Determine whether it has been done,
The stored data determination means determines whether or not the data stored in the data storage means is normal when the transfer operation determination means determines that the operation of the transfer operation means is not performed.
It is characterized by that.
According to this feature, when an abnormality occurs in the data stored in the data storage means and the progress of the game is disabled, the setting of an allowable stage that is a condition for canceling the disabled state of the game is effective. Since the data stored in the data storage means is initialized in accordance with the transition to the setting operation valid state, the data initialization and tolerance stage associated with the occurrence of an abnormality in the data in the data storage means The data initialization associated with the setting can be performed at a time, and unnecessary processing can be omitted. Further, when the game control means is activated, before the stored data determination means determines whether the data is normal, the transfer operation determination means determines whether or not the transfer operation means is operated, and shifts at that time. If it is determined that the operation unit is being operated, the determination by the stored data determination unit is not performed, the setting operation valid state is entered, and a new allowable stage is set. Processing can be omitted.
In addition, in claim 3 to 5, when the game control means is activated, when the game control means is activated when power supply to the slot machine is started (power-on), or when the game control means is activated. This corresponds to the case where the game control means is restarted due to a failure.

  Examples of the present invention will be described below.

  An embodiment of a slot machine to which the present invention is applied will be described with reference to the drawings. As shown in FIG. 1, the slot machine 1 of this embodiment includes reels 2L, 2C in which a plurality of types of symbols are arranged on the outer periphery. 2R (hereinafter also referred to as a left reel, a middle reel, and a right reel) are juxtaposed in the horizontal direction, and three consecutive symbols among the symbols arranged on these reels 2L, 2C, 2R are the slots machine 1 It arrange | positions so that it can see from the see-through | perspective window 3 provided in the front.

  As shown in FIG. 2, “red 7” (black 7 in the drawing), “blue 7” (shaded 7 in the drawing), “white 7”, A plurality of types of mutually distinguishable symbols such as “BAR”, “JAC”, “watermelon”, “cherry”, and “bell” are drawn in a predetermined order. The symbols drawn on the outer peripheries of the reels 2L, 2C, and 2R are displayed in the upper, middle, and lower three stages in the see-through window 3, respectively.

  The reels 2L, 2C, and 2R are rotated by reel motors 34L, 34C, and 34R (see FIG. 2) provided correspondingly, so that the symbols of the reels 2L, 2C, and 2R are continuous with the see-through window 3. In addition to the display being changed, the rotation of the reels 2L, 2C, and 2R is stopped, and three consecutive symbols are derived and displayed on the fluoroscopic window 3 as display results.

  Further, in the slot machine 1 of the present embodiment, a credit indicator 10 for displaying credits (the number of medals stored as a player's own game value), the number of medals acquired in the bonus, and when an error occurs A game auxiliary display 16 for displaying an error code indicating the contents, a medal insertion unit 4 into which a medal can be inserted, and a one-sheet BET switch 5 operated when setting a bet number for one medal using a credit. , A MAXBET switch 6 that is operated when setting the maximum bet number (3 in the present embodiment) using credits, a settlement switch 15 that is operated when the number of medals stored as credits is settled, and a game Start switch 7 operated when starting, stop switches 8L, 8C operated when stopping the rotation of the reels 2L, 2C, 2R, respectively R is provided.

  When a game is played in the slot machine 1 of the present embodiment, first, medals are inserted from the medal insertion slot 4 or a bet number is set using credits. To use credits, the MAX BET switch 6 or the single BET switch 5 may be operated. When a predetermined number of bets are set, the winning lines L1, L2, L2 ′, L3, and L3 ′ (see FIG. 1) are valid, and the operation of the start switch 7 is valid, that is, the game can be started. It becomes a state. In this embodiment, the predetermined number of bets is three, which is the maximum number of bets that can be set in one game in the normal gaming state and the small bonus game in the big bonus, which will be described later. Is one sheet which is the minimum unit.

  When the start switch 7 is operated in a state where the game can be started, the reels 2L, 2C, and 2R rotate, and the symbols of the reels 2L, 2C, and 2R continuously vary. If any one of the stop switches 8L, 8C, 8R is operated in this state, the rotation of the corresponding reels 2L, 2C, 2R is stopped, and the display result is derived and displayed.

  Then, when all the reels 2L, 2C, 2R are stopped, one game is finished, and is determined in advance on any of the pay lines L1, L2, L2 ′, L3, L3 ′ activated according to the number of bets. When the given symbol combination stops as a display result of each reel 2L, 2C, 2R, a winning occurs, and a predetermined number of medals are awarded to the player and added to the credit Is done. When the credit reaches the upper limit (50 in this embodiment), medals are paid out directly from the medal payout hole 9 (see FIG. 1).

  FIG. 3 is a block diagram showing the configuration of the slot machine 1. As shown in FIG. 3, the slot machine 1 is provided with a game control board 40, an effect control board 90, and a power supply board 202. The game state is controlled by the game control board 40, and the game state is controlled by the effect control board 90. The production according to the control is controlled, and the power supply board 202 generates the drive power for the electrical components constituting the slot machine 1 and supplies it to each part.

  A DC voltage necessary for driving electrical components constituting the slot machine 1 is generated on the power supply board 202 based on an AC100V power supply supplied from the outside, and is connected via the game control board 40 and the game control board 40. The effect control board 90 is supplied. The power supply board 202 also functions as a setting key switch 37 for switching to the setting change mode at the time of startup, and a reset switch for canceling the error state in an error state excluding a RAM abnormality error described later. A reset / setting switch 36 functioning as a setting switch for changing a setting value of a winning probability (outtake rate) of internal lottery described later, a hopper motor 32 for paying out medals from the medal payout hole 9, and a hopper motor 32 A payout sensor 33 for detecting medals paid out by driving is connected.

  The game control board 40 detects a medal inserted from the medal insertion unit 4 in addition to the one-BET switch 5, the MAXBET switch 6, the start switch 7, the checkout switch 15, and the stop switches 8L, 8C, 8R described above. The inserted medal sensor 31 and the reel sensor 35 that detects the reference positions of the reels 2L, 2C, and 2R are connected, and the above-described payout sensor 33, setting key switch 37, and reset / setting switch 36 are connected via the power supply board 202. The detection signals of these connected switches are input.

  In addition to the reel motors 34L, 34C, 34R, the credit indicator 10, and the game auxiliary indicator 16 described above, the game control board 40 is connected to the flow path of medals inserted from the medal insertion unit 4 of the hopper motor 32. A flow path switching solenoid 14 for selectively switching to either a hopper tank (not shown) side for storing medals to be paid out by driving or a medal payout outlet 9 side is connected and via a power supply board 202. The hopper motor 32 described above is connected, and these electric components are driven based on the control of a main control unit 41 (described later) mounted on the game control board 40.

  The game control board 40 includes a CPU that performs calculations according to predetermined procedures, a ROM that stores a CPU control program and various data tables, a RAM that writes and reads data necessary for the CPU to operate, and various signals. Main control unit 41 composed of a microcomputer having an I / O port for performing input / output of the switch, a switch to which a detection signal input from a switch connected directly to the game control board 40 or via the power supply board 202 is input The circuit 42, the motor circuit 43 that controls the drive of the reel motors 34L, 34C, and 34R, the power supply voltage supplied to the slot machine 1 are monitored, and when a voltage drop is detected, a voltage drop signal is sent to the main controller 41. In contrast, the power monitoring IC 44 that outputs the voltage increases to a level at which the main control unit 41 can be activated when the power is turned on. When this happens, a reset signal is output to the main control unit 41 to activate the main control unit 41, and the value of the reset counter is not cleared based on a signal periodically output from the main control unit 41. Various devices such as a reset circuit 45 that outputs a reset signal to the main control unit 41 and restarts the main control unit 41 when the main control unit 41 does not operate for a certain period of time. The main control unit 41 receives a detection signal of switches connected directly to the game control board 40 or via the power supply board 202 and performs various controls according to the progress of the game.

  Although not shown in particular, the main control unit 41 includes an interrupt input terminal, to which the aforementioned power monitoring IC 44 is connected, and a voltage drop signal is output to the interrupt input terminal. An external interrupt is generated by the input, and the CPU of the main control unit 41 executes a power interruption interrupt process to be described later according to the external interrupt.

  As shown in FIG. 4, the RAM of the main control unit 41 is provided with a plurality of areas including an important work, a general work, a special work, a set value work, a non-saved work, a stack area, and a parity storage area. Among these areas, in particular, the set value work is an area for storing the set value of the winning probability of internal lottery, and the parity storage area is an area for storing RAM parity at the time of power interruption. The RAM of the main control unit 41 is supplied with power from a backup power source even in the event of a power failure, and stores stored data.

  As shown in FIG. 3, the effect control board 90 is connected to the game control board 40 via the effect relay board 80, and a command transmitted from the main control unit 41 is input thereto. Thus, the game control board 40 and the effect control board 90 are connected via the effect relay board 80, so that the wiring connection between the game control board 40 and the effect control board 90 is facilitated, and the effect is also provided. It is possible to prevent an illegal signal or the like from being directly input from the control board 90 to the game control board 40.

  The production control board 90 is connected with electrical components such as a liquid crystal display 51 (see FIG. 1), production effect LED 52, speakers 53 and 54, and a reel lamp 55 arranged on the front surface of the slot machine 1. The components are driven based on control by a later-described sub-control unit 91 mounted on the effect control board 90.

  The effect control board 90 has a CPU, a ROM, a RAM, a sub-control part 91 having I / O ports, and a liquid crystal drive that controls the liquid crystal display 51 connected to the effect control board 90, similarly to the main control part 41. A circuit 92, a lamp drive circuit 93 that controls the drive of the effect LED 52, an audio output circuit 94 that controls audio output from the speakers 53 and 54, and the like are mounted. The sub-control unit 91 is mounted on the game control board 40. In response to a command transmitted from the mounted main control unit 41, various controls are performed to produce an effect.

  In the slot machine 1 of the present embodiment, the medal payout rate changes according to the set value, and the winning probability of the internal lottery described later is determined according to the set value. Hereinafter, the setting value changing operation will be described.

  In order to change the setting value, it is necessary to turn on the power of the slot machine 1 after the setting key switch 37 is turned on. When the power is turned on with the setting key switch 37 being in the ON state, the mode shifts to a setting change mode in which the setting value can be changed by operating the reset / setting switch 36. When the reset / setting switch 36 is operated in the setting change mode, the setting value is updated by one (when the operation is further performed from the setting 6, the setting is returned to the setting 1). Then, when the start switch 7 is operated, the set value is determined, and the determined set value is stored in the above-described set value work of the main control unit 41. Then, when the setting key switch 37 is turned off, the state shifts to a state in which the game can proceed.

  In the slot machine 1 of the present embodiment, when the main control unit 41 detects the voltage drop signal as described above, the power interruption interrupt process is executed. In the power interruption processing, the RAM parity is calculated based on all the data stored in the RAM of the main control unit 41 and stored in the parity storage area of the RAM. Note that the RAM parity is the least significant bit of the sum total of data strings.

  When the main control unit 41 is activated, the RAM parity is calculated based on all the data stored in the RAM of the main control unit 41 except the parity storage region, and stored in the parity storage region. Compare with RAM parity. Next, when the comparison result matches, the state before power interruption is restored based on the state stored in the RAM. However, when the comparison result does not match, it is determined that the RAM is abnormal, and the RAM An abnormal error code is set and controlled to a RAM abnormal error state to disable the progress of the game. Unlike the other error states, the RAM abnormality error state is not canceled even when the reset / setting switch 36 is operated, and is canceled when a new setting value is set in the setting change mode described above. It is like that.

  The slot machine 1 according to the present embodiment wins when all the reels 2L, 2C, and 2R are stopped and the symbols are aligned on the effective line set according to the number of bets. The types of winning combinations are determined according to the gaming status, but can be broadly divided into special roles that involve the transition of gaming status, small roles that involve payout of medals, and no need to set the number of bets. There is a re-player who can start the next game. In order for each winning combination determined according to the gaming state to occur, it is necessary to win an internal lottery to be described later and set a winning flag for the winning combination.

  FIG. 5A is a diagram showing a winning combination table by gaming state. The gaming state-specific winning combination table is stored in advance in the ROM of the main control unit 41 and is used to determine the combination determined to be winning in the internal lottery. The combination determined according to the game state is shown. In this slot machine 1, as a special role, a regular bonus (1), a regular bonus (2), a big bonus (1), a big bonus (2), a big bonus (3), JACIN, a small role JAC, watermelon , Bell, and Cherry are replayed as replayers.

  In the regular bonus game state, JAC, watermelon, bell, and cherry, which are small roles, are determined as winning roles, and are subject to lottery by internal lottery in the regular bonus. In the small bonus game described later of the big bonus, the regular bonus (2) and JACIN, which are special roles, and the watermelon, bell, and cherry, which are special roles, are determined as winning roles. It is targeted for. In the normal gaming state, a regular bonus (1), a big bonus (1), a big bonus (2), a big bonus (3) which are special roles, watermelons, bells and cherries which are small roles, and a replay which is a re-playing role. It is determined as a winning combination and is subject to lottery in the internal lottery in the normal gaming state.

  In this embodiment, in the regular bonus game state, JAC is determined as a winning small role in addition to watermelon, bell and cherry. However, in the regular bonus game state, the small bonus game and the normal game As with the state, only watermelons, bells and cherries may be determined as small winning combinations.

  The big bonus is a combination of “red 7-red 7-red 7”, “white 7-white” in any of the active lines (5 winning lines L1, L2, L2 ′, L3, L3 ′) in the normal gaming state. The winning combination is given when the combination of “7-white 7” or the combination of “blue 7-blue 7-blue 7” is prepared. When the big bonus is won, the gaming state shifts to the big bonus. In the big bonus, a game called a small role game can be played. While the gaming state is in the big bonus, the big bonus medium flag is set in the RAM of the main control unit 41. The big bonus ends when the total number of medals paid out to the player in the big bonus reaches 465.

  When it is necessary to distinguish between a big bonus by “Red 7-Red 7-Red 7”, a big bonus by “White 7-White 7-White 7”, and “Blue 7-Blue 7-Blue 7” These are referred to as big bonus (1), big bonus (2), and big bonus (3), respectively.

  A regular bonus is obtained when a combination of “BAR-BAR-BAR” is arranged in any of the active lines (5 winning lines L1, L2, L2 ′, L3, and L3 ′) in the small role game and the normal gaming state. Winning a prize. When the regular bonus is won, the gaming state shifts from the small role game or the normal gaming state to the regular bonus. The regular bonus ends when 12 games are consumed, or when 8 games are won (any kind of combination is possible), whichever comes first. While the game state is the regular bonus, the regular bonus flag is set in the RAM of the main control unit 41. In particular, when a regular bonus is won in the small role game, a regular bonus is provided in the big bonus, and the regular bonus medium flag is also set in the RAM of the main control unit 41 in addition to the big bonus medium flag. When the total number of medals paid out to the player in the big bonus reaches 465 with the regular bonus in the big bonus, the regular bonus is terminated together with the big bonus.

  In addition, when it is necessary to distinguish between the regular bonus due to “BAR-BAR-BAR” in the normal gaming state and the regular bonus due to “BAR-BAR-BAR” in the small role game in the big bonus, the regular bonus (1) respectively. This is called regular bonus (2). In addition, the aforementioned big bonus (1), big bonus (2) and big bonus (3), regular bonus (1) and regular bonus (2) may be referred to simply as “bonus”. To do.

  JACIN wins when a combination of “Watermelon-JAC-JAC” is available on any of the active lines (5 winning lines L1, L2, L2 ′, L3, L3 ′) in the small role game. In a gaming state other than the small role game, even if this combination is prepared, no JACIN prize is awarded. When winning JACIN, the above-mentioned regular bonus is provided in the big bonus, and the regular bonus medium flag is also set in the RAM of the main control unit 41 in addition to the big bonus medium flag. When the total number of medals paid out to the player in the big bonus reaches 465 with the regular bonus in the big bonus, the regular bonus is terminated together with the big bonus.

  JAC is awarded when the combination of “Bell-JAC-JAC” is aligned on the active line (one of the winning lines L1) in the regular bonus, but in the gaming state other than the regular bonus, this combination is aligned. Will not win JAC. The watermelon has a combination of “watermelon-watermelon-watermelon” in any of the active lines (one winning line L1 or five winning lines L1, L2, L2 ′, L3, L3 ′) in any gaming state. Wins when they are ready. In any gaming state, the bell is a combination of “bell-bell-bell” on one of the active lines (one of the winning lines L1 or five of the winning lines L1, L2, L2 ′, L3, L3 ′). Wins when they are ready. Cherry is a symbol of “cherry” on any of the active lines (one winning line L1 or five winning lines L1, L2, L2 ′, L3, L3 ′) for the left reel 3L in any gaming state. Wins when the is derived. The payout of medals when these small roles are won will be described later.

  Replay is awarded when the combination of “JAC-JAC-JAC” is aligned with any of the active lines (5 winning lines L1, L2, L2 ′, L3, L3 ′) in the normal gaming state. With regular bonuses and big bonuses (small role game and regular bonus), even if this combination is available, replay prizes will not be awarded. When a replay is won, the medals will not be paid out, but the next game can be started without setting the number of bets again, so the number of bets no longer required to be set in the next game (the regular bonus will not be replayed and will always be 3) This is substantially the same as when three corresponding medals are paid out.

  Hereinafter, the internal lottery will be described. The internal lottery decides whether or not the winning of each winning combination is allowed before the display results of all the reels 2L, 2C and 2R are derived and displayed (actually, when the start switch 7 is detected). To do. In the internal lottery, first, a random number for internal lottery (an integer from 0 to 16383) is acquired as described later. Then, for each combination determined according to the gaming state, the acquired random number for internal lottery, the number of bets set by the player, and each combination determined according to the set value set by the setting switch 37 This is performed according to the number of judgment values. In this embodiment, the winning in the internal lottery is exclusive, and a plurality of winnings are not won simultaneously in one game.

  Reference of the combination according to the gaming state is performed according to the winning combination table according to gaming state shown in FIG. That is, when the gaming state is a regular bonus (including the case where the bonus is provided during the big bonus), JAC, watermelon, bell, and cherry are sequentially read out as the subject of the internal lottery, and the gaming state is small in the big bonus. When in the combination game, the regular bonus (2), JACIN, watermelon, bell, and cherry are sequentially read out as the target combinations for the internal lottery.

  When in the normal gaming state, the regular bonus (1), big bonus (1), big bonus (2), big bonus (3), watermelon, bell, cherry, and replay are sequentially read out as the internal lottery target roles. However, the regular bonus winning flag (1), the regular winning flag (2), the big bonus winning flag (1), the big bonus winning flag (2) or the big bonus winning flag (3) is set in the previous game. When the winning based on the flag is not carried over, the regular bonus (1) and the big bonuses (1) to (3) are not subject to the internal lottery. In the case of a small role game, regular bonus (2), JACIN, watermelon, bell, cherry, and replay are sequentially read out as internal lottery target roles, but the regular bonus winning flag (2) is set in the previous game. When the winning based on the flag is carried over without being generated, the regular bonus (2) and JACIN are not subject to the internal lottery.

  In the internal lottery, the number of determination values determined for the internal lottery target combination is sequentially added to the internal lottery random number, and when the addition result overflows, it is determined that the winning combination is won. When the winning is determined, the winning flag of the combination is set in the RAM of the main control unit 41. The determination value number is read according to the storage address of the determination value number registered in the role-specific table stored in advance in the ROM of the main control unit 41. FIG. 5B is a diagram illustrating an example of the role-specific table. The number of determination values may be 256 or more, and cannot be stored for one word. Therefore, each determination value is registered using a storage area for two words.

  The number of determination values for each combination is registered corresponding to the number of bets (BET) set by the player in the game. This is because even with the same combination, the winning probability in the regular bonus may differ from other combinations. In addition, the number of determination values according to the number of bets for each combination may be common regardless of the set value, or may be different depending on the set value. If the number of determination values is common regardless of the set value, a common flag is set (value is set to “1”).

  Regular Bonus (1), Big Bonus (1), Big Bonus (2) and Big Bonus (3) are only eligible for internal lottery only in the normal gaming state and correspond to 3 bets in the normal gaming state. The storage address of the number of judgment values to be registered is registered. For these combinations, the value of the common flag is 0, and the storage address for the number of determination values is individually registered according to the set value. Regular bonus (2) and JACIN are internal lottery targets only in the small bonus game in the big bonus, and the storage addresses of the number of determination values corresponding to the number of bets in the small bonus game are registered. The value of the common flag for this role is 1, and a storage address for a common number of determination values is registered regardless of the set value.

  The JAC is a role that is subject to internal lottery only with the regular bonus, and the storage address of the number of determination values corresponding to the bet number 1 with the regular bonus is registered. The common flag for this combination is 1, and a common storage address for the number of determination values is registered regardless of the set value. Replay is a role that is subject to internal lottery only in the normal gaming state, and a storage address for the number of determination values corresponding to the bet number 3 in the normal gaming state is registered. The common flag for this combination is 1, and a common storage address for the number of determination values is registered regardless of the set value.

  Watermelons, bells, and cherries are internal lottery targets in any gaming state, and the storage address of the number of judgment values corresponding to the number of bets 1 in the regular bonus, and in the normal gaming state or small role game A storage address of the number of determination values corresponding to the bet number 3 is registered. For the watermelon and the cherry, the common flag is 1, and the storage address of the common determination value number is registered regardless of the set value corresponding to each bet number. For the bell, the common flag is 0, and the storage address of the number of determination values is individually registered according to the set value corresponding to each bet number.

  In the role table, the number of medals to be paid out when winning each winning combination is also registered. However, only the watermelons, bells, cherries, and JACs, which are small roles, are the targets for which the prize balls are paid out when winning. Watermelons, bells and cherries can be awarded when the bet number is 1 (regular bonus) or 3 (game state other than the regular bonus), but for the bell, when the bet number is 1, That is, when the gaming state is a regular bonus, 15 medals that are more than the other 8 are paid out.

  Regular Bonus (1), Regular Bonus (2), Big Bonus (1), Big Bonus (2), Big Bonus (3), and JACIN winnings are accompanied by a transition of the gaming state, and medals are paid out. It will not be. Replay does not involve the payout of medals. However, since it is not necessary to insert medals used for setting the number of bets in the next game, it is substantially the same as paying out 3 medals.

  FIG. 6 is a diagram illustrating a storage area for the number of determination values acquired based on the addresses registered in the role-specific table. This storage area for the number of determination values is provided in the RAM of the main control unit 41 for development models, and in the address area allocated to the ROM of the main control unit 41 for mass-production models.

  For example, the address ADD is an address that is referred to when the target character of the internal lottery is the regular bonus (1) and the set value is 1, and at this time, 31 stored as the value is the number of determination values. To be acquired. Addresses ADD + 2, ADD + 4, ADD + 6, ADD + 8, and ADD + 10 are addresses that are referred to when the target part of the internal lottery is regular bonus (1) and the set value is 2-6. As for regular bonus (1), the number of judgment values is individually stored according to the set value, but since the same number of judgment values is stored, the winning of regular bonus (1) at any set value Probabilities are the same.

  Addresses ADD + 14, ADD + 16, ADD + 18, ADD + 20, ADD + 22, and ADD + 24 are addresses that are referred to when the internal lottery target is the big bonus (1) and the set value is 1 to 6, respectively. Addresses ADD + 26, ADD + 28, ADD + 30, ADD + 32, ADD + 34, and ADD + 36 are addresses that are referred to when the internal lottery target role is the big bonus (2) and the set value is 1 to 6, respectively. Addresses ADD + 38, ADD + 40, ADD + 42, ADD + 44, ADD + 46, and ADD + 48 are addresses that are referenced when the internal lottery target is the big bonus (3) and the set value is 1-6. For big bonuses (1), (2), and (3), the number of determination values is individually stored according to the set value, and a different number of determination values is stored. The winning probabilities of 1), (2), and (3) will be different.

  Addresses ADD + 12, ADD + 50, ADD + 52, and ADD + 86 are addresses that are referred to regardless of the set value when the target part of the internal lottery is regular bonus (2), JACIN, JAC, or replay. Regardless, 32, 4311, 27, and 2245 are acquired as the number of determination values, respectively.

  The address ADD + 54 is an address that is referred to regardless of the set value when the bet number is 1, that is, in the regular bonus, when the target part of the internal lottery is a watermelon. The address ADD + 56 is an address that is referred to regardless of the set value when the bet number is 3, that is, in the normal gaming state or in the small role game, when the subject combination of the internal lottery is a watermelon. The number of determination values for watermelon is registered according to the number of bets, but since the same value is registered, the winning probability of watermelon is the same in any gaming state. As for cherry, the number of determination values is registered in the same manner at addresses ADD + 82 and ADD + 84.

  The addresses ADD + 58, ADD + 60, ADD + 62, ADD + 64, ADD + 66, and ADD + 68 are addresses that are referred to when the bet number is 1, that is, when the target character of the internal lottery is a bell and the set value is 1 to 6 in the regular bonus. is there. Since the same value is registered in each of the addresses ADD + 58, ADD + 60, ADD + 62, ADD + 64, ADD + 66, and ADD + 68, the set value 1 and the set value 2, the set value 3 and the set value 4 and the set value are set at the regular bonus time. With 5 and the set value 6, the winning probability of the bell is the same.

  Addresses ADD + 70, ADD + 72, ADD + 74, ADD + 76, ADD + 78, and ADD + 80 are each when the number of bets is 3, that is, in the normal gaming state or in the small role game, when the target character of the internal lottery is the bell and the set value is 1-6 The address to be referenced. Since different values are registered in the addresses ADD + 70, ADD + 72, ADD + 74, ADD + 76, ADD + 78, and ADD + 80, in the normal gaming state or the small role game, the winning probability of the bell differs depending on the set value.

  FIGS. 7A to 7C are diagrams illustrating an example of the relationship between the value of the random number for internal lottery and the number of determination values of each combination and the winning combination. FIG. 7A shows an example in a normal gaming state, FIG. 7B shows an example in a small role game, and FIG. 7C shows an example in a regular bonus. FIGS. 7A to 7C show examples in which the set value is 6, and in FIG. 7A, both the regular bonus winning flag and the big bonus winning flag are set. An example is shown when there is not.

  For example, as shown in FIG. 7A, in the normal gaming state, the roles that are the targets of the internal lottery are regular bonus (1), big bonus (1), big bonus (2), big bonus (3) , Watermelon, bell, cherry, and replay. With the setting value 6, the number of determination values is 31, 20, 20, 20, 68, 3562, 269, and 2245, respectively. First, the regular bonus (1), which is the target of the internal lottery, is won when 16353-16383, which results in an overflow of the addition result by adding 31 judgment values, is acquired as a random number for internal lottery. It becomes.

  Next, the big bonus (1) that is the subject of the internal lottery is obtained by adding 51, which is the sum of the judgment value number 31 of the regular bonus (1) and the judgment value number 20 of the big bonus (1). The winning combination is obtained when 16333 to 16352 that will overflow are acquired as random numbers for internal lottery. Similarly, big bonus (2) is obtained when 16313-16332 is obtained as a random number for internal lottery, and big bonus (3) is obtained when 16293-16312 is obtained as a random number for internal lottery. Is obtained when 16225-16292 is acquired as a random number for internal lottery, bell is acquired as random number for internal lottery when 12663-16224 is acquired as a random number for internal lottery, 12394-12626 is used as a random number for internal lottery When acquired, the replay is determined to be winning when 10149 to 12393 are acquired as random numbers for internal lottery.

  The approximate winning probabilities calculated for these combinations based on the number of judgment values are as follows: regular bonus (1), big bonus (1), big bonus (2), big bonus (3), watermelon, bell, cherry, For each replay, 1 / 528.5, 1 / 819.2, 1 / 819.2, 1 / 819.2, 1 / 273.1, 1 / 240.9, 1 / 4.6, 1/60 .9, 1 / 7.3. When 0 to 10148 is acquired as a random number for internal lottery, all combinations are lost.

  In addition, as shown in FIG. 7B, in the small role game, the regular bonus (2), JACIN, watermelon, bell, and cherry are subject to internal lottery, and the number of determination values is 32, 4311, 68, Since 3562 and 269, 16352 to 16383, 12041 to 16351, 11973 to 12040, 8411 to 11972, and 8142 to 8410 are acquired as random numbers for internal lottery, it is determined that they are winning. In addition, the approximate winning probabilities for each combination are 1/512, 1 / 3.8, 1 / 240.9, 1 / 4.6, and 1 / 60.9. When 0-8141 is acquired as a random number for internal lottery, all combinations are lost.

  In addition, as shown in FIG. 7C, in the regular bonus, JAC, watermelon, bell, and cherry are subject to internal lottery, and the number of judgment values is 27, 68, 15919, and 269. When 16383, 16289 to 16356, 350 to 16288, and 101 to 369 are acquired as random numbers for internal lottery, it is determined that the winner is won. In addition, the approximate winning probabilities of each combination are 1 / 606.8, 1 / 240.9, 1 / 1.03, and 1 / 60.9. When 0 to 100 are acquired as random numbers for internal lottery, all combinations are lost.

  Next, the arrangement of symbols on the reels 2L, 2C, and 2R and stop control will be described. As described above, the rotation of the reels 2L, 2C, and 2R is stopped within a drawing range within 4 frames from when the stop switches 8L, 8C, and 8R are operated. The symbols to be stopped are selected according to the setting status of the winning flag, and the symbols of the winning combination in the drawing range of 4 frames on the active line set in each game are stopped. If you can, stop them all together. Symbols that have not been won will be stopped within the 4-frame pull-in range.

  Here, as shown in FIG. 3, “watermelon”, “bell”, and “JAC” are arranged at intervals of 5 frames or less on each of the reels 2L, 2C, and 2R, and the drawing range of 4 frames is obtained. Thus, the variable display device 2 can always be stopped at any position. That is, when the winning flags of watermelon, bell, replay, JAC, and JACIN are set, regardless of the operation timing of the stop switches 8L, 8C, and 8R by the player, the combination must be used. You can win a prize.

  Next, various control contents executed by the CPU of the main control unit 41 mounted on the game control board 40 in the present embodiment will be described with reference to FIGS.

  When the main control unit 41 is activated by receiving a reset signal from the reset circuit 45, the main control unit 41 performs the activation process shown in the flowchart of FIG. Since the reset signal is a signal that is output when the power is turned on and when the operation of the main control unit 41 is stagnant, the activation process is performed when the main control unit 41 is activated and the main control unit 41 is activated. This process is performed when restarting due to a problem.

  In the startup process, first, the built-in device, peripheral IC, stack pointer, etc. are initialized (Sa1), and RAM access is permitted (Sa2). Then, it is determined whether or not the setting key switch 37 is on (Sa3). If the setting key switch 37 is not on, it is based on all the data stored in the RAM except the parity storage area. The RAM parity is calculated (Sa4) and compared with the RAM parity stored in the parity storage area, that is, the RAM parity calculated and stored at the previous power interruption (Sa5). That is, it is determined whether or not the data stored in the RAM is normal (Sa6). In this embodiment, whether or not the RAM data is normal based on the RAM parity is determined only in the startup process.

  If the RAM parity does not match in the step of Sa6, the data stored in the RAM is not normal, and the routine proceeds to the RAM abnormality error processing shown in FIG. In the RAM abnormality error process, as shown in FIG. 10, after the RAM abnormality error code is displayed on the game auxiliary display 16 (Sc1), the process proceeds to a loop process in which neither process is performed.

  If the RAM parity matches in step Sa6, the data stored in the RAM is normal, so the register stored in the stack area is restored (Sa7), and the interrupt prohibition is canceled. (Sa8), it returns to the process before power interruption.

  In step Sa3, if the setting key switch 37 is on, all the data stored in the RAM except for the used area in the stack area is initialized (other than the setting value work, 0, the setting value). The work is rewritten to 1) (Sa9), the prohibition of interruption is canceled (Sa10), the process proceeds to the setting change process shown in FIG. 9 (Sa11), and after the setting change process is completed, the process proceeds to the game control process.

  In the setting change process, as shown in FIG. 9, a setting change flag indicating that the setting change mode is in effect is set (Sb1), and the setting value stored in the RAM setting value work (the process proceeds to the setting change process). Before setting, the value of the set value work has been rewritten to 1, so it is 1) (Sb2).

  After that, the operation waits for detection of the operation of the reset / setting switch 36 and the start switch 7 (Sb3, Sb4). When the operation of the reset / setting switch 36 is detected in the step of Sb3, the setting value read in the step of Sb2 1 is added (Sb5), and it is determined whether or not the set value after addition is 7, that is, whether or not the settable range is exceeded (Sb6). If the set value after addition is not 7, After returning to the state of waiting for detection of the operation of the reset / setting switch 36 and the start switch 7 in the steps Sb3 and Sb4 again, if the set value after addition is 7 in the step Sb6, the set value is corrected to 1 (Sb7 ), The process returns to the detection waiting state for the operation of the reset / setting switch 36 and the start switch 7 in the steps of Sb3 and Sb4.

  When the operation of the start switch 7 is detected in the step of Sb4, the set value after change selected at that time is stored in the set value work of the RAM, and the set value is confirmed (Sb8). Wait until the setting key switch 37 is turned off (Sb9). If it is determined in step Sb9 that the setting key switch is turned off, the setting changing flag is cleared (Sb10), the process returns to the flowchart of FIG. 8, and the process proceeds to the game control process.

  As described above, in the startup process, when the setting key switch 37 is not in the ON state, the data stored in the RAM is obtained by comparing the RAM parity calculated at the time of power interruption with the RAM parity calculated at the time of startup. It is determined whether or not it is normal, and the routine proceeds to RAM abnormality error processing. In the RAM abnormality error process, after the RAM abnormality error code is displayed on the game auxiliary display 16, the process proceeds to a loop process in which no process is performed, so that the progress of the game is disabled. If the RAM parity does not match, the interrupt is not permitted. Therefore, once the process proceeds to the RAM abnormality error process, the setting key switch 37 is activated in the on state until the interrupt prohibition is released. Will not be interrupted even if it is interrupted. In other words, since no new RAM parity is calculated and stored in the power interruption process, the RAM is always set except when the setting key switch 37 is activated even when the main control unit 41 is reactivated. Since the parities do not match, the game cannot be resumed even if the main control unit 41 is restarted.

  Once the RAM abnormal error state is entered, the setting key switch 37 is turned on, setting change processing is performed, and a new set value is selected and set by operating the reset / setting switch 36. The game cannot be progressed. In other words, in the state that has shifted to the RAM abnormal error state, the state where the game cannot be progressed is released and the game is resumed on condition that a new set value is selected and set by operating the reset / setting switch 36. Is possible.

  FIG. 11 is a flowchart showing the control content of the game control process executed by the CPU of the main control unit 41.

  In the game control process, a BET process (Sd1), an internal lottery process (Sd2), a reel rotation process (Sd3), a reel stop process (Sd4), a winning determination process (Sd5), a payout process (Sd6), a game state update process ( Steps Sd7) are executed in sequence, and when the game state update process ends, the process returns to the BET process again.

  In the BET process in the step of Sd1, the process waits in a state where the bet number can be set, sets a predetermined number of bets, and executes a process of determining the bet number when the start switch 7 is operated. Further, when a replay winning is generated in the previous game, the same bet number as in the previous game is set.

  In the internal lottery process in step Sd2, a random number for internal lottery is extracted simultaneously with the start of the game by the detection of the start switch 7 in step Sd1, and the winning of each above-described combination is permitted based on the extracted random number value. Process to determine whether or not. In this internal lottery process, a winning flag is set in the RAM based on each lottery result.

  In the reel rotation process in step Sd3, a process of rotating each reel 2L, 2C, 2R is executed. In this reel rotation process, the operation of the stop switches 8L, 8C, 8R is validated when all the reels 2L, 2C, 2R rotate at a constant speed.

  In the reel stop process in the step Sd4, the stop switch 8L, 8C, 8R by the player is detected from the time when the operation of the stop switch 8L, 8C, 8R by the player is detected or the reels 2L, 2C, 2R rotate at a constant speed. The processing for stopping the rotation of the corresponding reels 2L, 2C, 2R is executed in response to the fact that the automatic stop time has elapsed without detecting the operation, that is, the stop condition of each reel 2L, 2C, 2R is satisfied. To do.

  In the winning determination process in step Sd5, when it is determined in step Sd4 that the rotation of all the reels 2L, 2C, and 2R has been stopped, a winning is determined according to the display result derived for each reel 2L, 2C, and 2R. A process of determining whether or not it has occurred is executed.

  In the payout process in step Sd6, when it is determined in step Sd5 that a winning has occurred, processing such as addition of credits and payout of medals is performed based on the number of payouts according to the win.

  In the game state update process in step Sd7, a process for setting the game state in preparation for the next game is executed.

  In the game state update process in step Sd7, data that does not need to be carried over to the next game among the data stored in the RAM, for example, an internal winning flag that does not carry over to the next game (the generation of a winning is permitted). An initialization process for initializing data such as a flag) is performed.

  FIG. 12 is a flowchart showing the control contents of the internal lottery process executed by the CPU of the main control unit 41 in step Sd2.

  In the internal lottery process, first, a random number acquisition process whose details will be described later is performed (Se1). In this random number acquisition process, a random number value for internal lottery is acquired based on a random number generated by a random number generation circuit (not shown).

  Then, the set value stored in the RAM set value work is read (Se2), and whether or not the read set value is in the range of 1 to 6, that is, the set value stored in the set value work is an appropriate value. If the read set value is not a value in the range of 1 to 6, the process proceeds to the RAM abnormality error process shown in FIG.

  Further, if the set value read in the step of Se3 is in the range of 1 to 6, the combinations registered in the winning combination table according to gaming state in FIG. Read (Se4). It is determined whether the type of the read role is a regular bonus (regular bonus (1) (2)) or a big bonus (big bonus (1) to (3)) (Se5). If it is a regular bonus or a big bonus, whether the regular bonus winning flag or the big bonus winning flag is already set in the RAM in the game before the previous time, and it is determined whether it is carried over without winning based on the winning flag. (Se6). If the type of the read combination is neither a regular bonus nor a regular bonus, the process proceeds to the process of Se7 as it is.

  If the regular bonus winning flag or the big bonus winning flag is already set, the process returns to the process of Se4 and further reads the next registered role in the winning combination table by gaming state (regular bonus and big bonus are Since it is first registered in the winning combination table according to gaming state, this does not end the lottery process). Even if the type of the read combination is a regular bonus or a big bonus, if neither the regular bonus winning flag nor the big bonus winning flag is set, the process proceeds to Se7.

  In Se7, the number of bets (the number of bets) set in step Sa2 is further read, and the common flag setting status is acquired in the role-specific table of FIG. 5B for the combination and the combination corresponding to the read BET number. To do. As a result, it is determined whether or not a common flag is set for the combination and the number of BETs (Se8).

  If the common flag is set, the determination value number stored in the address registered in the role-specific table of FIG. 5B is acquired for the role and the BET number (Se9). Then, the process proceeds to Se11. If the common flag is not set, the determination value number stored in the address registered in the role-specific table corresponding to the setting value read for the role and the BET number is acquired (Se10). Then, the process proceeds to Se11.

  In the step of Se11, the number of determination values acquired in the step of Se9 or Se10 is added to the random number value for internal lottery, and the result of the addition is used as a new random number value for internal lottery. Here, it is determined whether or not an overflow has occurred when the number of determination values is added to the random number for internal lottery (Se12). If an overflow occurs, the winning flag for the combination is set in the RAM (Se13). Then, the internal lottery process is terminated, and the process returns to the flowchart of FIG.

  If an overflow has not occurred, it is determined whether there is a combination that has not yet been processed among the combinations determined for the gaming state (Se14). If there is a combination that has not yet been processed, the process returns to the process of Se4, and the process continues with the next combination registered in the winning combination table according to gaming state as the processing target. If there is no combination not to be processed, the internal lottery process is terminated and the process returns to the flowchart of FIG.

  As described above, in the internal lottery process, it is checked whether or not the set value stored in the set value work is an appropriate value. If the set value is not an appropriate value, the above-described RAM abnormality error process is performed. As in the case where it is determined that the RAM data is not normal at the time of start-up, a RAM abnormality error state is set and the progress of the game is disabled.

  FIG. 13 is a flowchart showing the control contents of the power interruption interrupt process executed by the occurrence of an external interrupt accompanying the output of the voltage drop signal from the power monitoring IC 44 by the CPU of the main control unit 41.

  In the power interruption interrupt processing, first, interrupt prohibition is set. That is, the execution of other interrupt processes is prohibited with the start of the power interruption interrupt process (Sf1). Next, all the registers that may be in use are saved in the RAM (Sf2), and can be restored to the original processing when the power failure is restored.

  Next, after all output ports are initialized (Sf3), the RAM parity is calculated based on all the data stored in the RAM and set in the parity storage area (Sf4), and the RAM access is prohibited (Sh10). . Then, a loop process in which no process is performed is entered. That is, when the voltage decreases as it is, the operation is stopped internally. Therefore, the main control unit 41 reliably stops operation when power is interrupted.

  Thus, in the power interruption processing, the RAM parity at that time is calculated and stored in the parity storage area, and stored in the RAM by comparing with the RAM parity calculated at the next startup. It is possible to check whether the data being processed is normal.

  As described above, in the slot machine 1 according to the present embodiment, when an abnormality occurs in the data stored in the RAM of the main control unit 41, the abnormal state of the RAM is controlled and the progress of the game is disabled. At the same time, the state in which the progress of the game is disabled is not canceled unless the setting change mode is entered and the setting value is newly selected and set based on the setting changing operation. That is, even if an abnormality occurs in the data stored in the RAM of the main control unit 41, the setting value selected and set based on the setting change operation (generally, not the setting value automatically set by the slot machine) In other words, since the setting change operation is performed by an employee of the amusement store, it is ensured that the game is performed based on the setting value selected by the amusement store), so that the fairness of the game can be achieved. .

  In this embodiment, when determining whether or not winning is allowed in the internal lottery process, the set value stored in the set value work is an appropriate value (a value in the range of 1 to 6). If not, it is not determined whether or not the winning is allowed based on the probability based on the default setting value (for example, setting 1). In this case, too, the RAM abnormal error state is controlled and the progress of the game is disabled. Then, the state in which the progress of the game is disabled is not released unless the setting change mode is entered and the setting value is newly selected and set based on the setting changing operation. In other words, even when it is not possible to properly determine whether or not winning is allowed in the internal lottery process, the game may be played based on the setting value selected and set based on the setting change operation. Since it is secured, the fairness of the game can be achieved.

  Further, the data stored in the RAM of the main control unit 41 is abnormal in most cases when the control cannot be continued due to a malfunction in the control such as a power failure or the main control unit 41 running out of control. For this reason, in this embodiment, since it is determined whether or not the data is normal only when the main controller 41 is activated after recovering from these states, it is stored in the RAM of the main controller 41. Whether or not the data is normal can be determined only in a situation where there is a high possibility that the data is abnormal. That is, in a situation where there is a low possibility that an abnormality has occurred in the data, it is not necessary to perform the determination, and the load on the main control unit 41 can be reduced.

  In the present embodiment, the parity storage area is calculated by calculating the RAM parity based on all the data stored in the RAM of the main control unit 41 in the power interruption interrupt process executed when the power interruption is detected. In the next startup, it is determined whether or not the RAM data is normal by comparing with the RAM parity calculated at that time, and the RAM parity at the time of power interruption and startup is compared. Since it can be determined whether or not the data is normal only, the determination can be performed accurately and simply.

  In this embodiment, the parity at the time of power interruption and the parity at the time of startup are compared to determine whether or not the RAM data is normal. However, it is determined by other methods whether or not the RAM data is normal. For example, a checksum (total sum of data strings) is created at the time of power interruption, and is compared with the checksum created at startup to determine whether the RAM data is normal or not. Anyway.

  Further, in this embodiment, when an abnormality occurs in the RAM data of the main control unit 41 and the progress of the game is disabled, a set value serving as a condition for canceling the disabled state of the game Since the data stored in the RAM is initialized in accordance with the transition to the setting change mode (setting change processing) in which the change operation becomes valid, the data stored in the RAM due to the abnormality Data initialization associated with initialization and selection / setting of set values can be performed at a time, and unnecessary processing can be omitted. Further, when the main control unit 41 is activated, it is determined whether or not the setting key switch 37 is in an on state before determining whether or not the data in the RAM is normal. At that time, the setting key switch 37 is turned on. If it is determined that the data is in the normal state, it is not determined whether or not the RAM data is normal, but the mode shifts to the setting change mode and a new setting value is selected and set. Processing can be omitted.

  In this embodiment, the RAM is initialized before shifting to the setting change process. However, the RAM may be initialized in accordance with the shift to the setting changing process. It may be performed after the process is completed, or may be performed when the set value is confirmed in the setting change process.

  Although the embodiments of the present invention have been described with reference to the drawings, the present invention is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. Needless to say.

  For example, in the above embodiment, the main control unit 41 is activated based on a reset signal from a reset circuit 45 provided separately from the main control unit 41. However, the reset circuit is connected to the main control unit 41. The microcomputer which comprises may be mounted.

  In the above-described embodiment, it is determined whether or not the data in the RAM is normal only when the main control unit 41 is activated. However, it may be determined every other game, for example, for each game.

  In the embodiment, the slot machine for setting bets using medals and credits is used. However, the present invention is not limited to this, and the slot machine for setting bets using pachinko balls. Alternatively, it may be a complete credit type slot machine that uses only credits to set the number of bets.

  Each element in the embodiment corresponds to the present invention as follows.

The slot machine according to claim 1 of the present invention includes:
By setting a predetermined number (3 or 1) of bets for one game, the game can be started, and a variable display device capable of variably displaying a plurality of types of identification information (designs) that can be identified each Reel 2L, 2C, 2R) is a slot machine 1 in which one game is completed by deriving and displaying a display result, and winning can be generated according to the display result of the variable display device,
Game control means (main control unit 41) for controlling the game is provided,
The game control means includes
A pre-determining means (internal lottery process) for determining whether or not a winning is allowed before the display result of the variable display device is derived;
Based on an operation of a predetermined setting operation means (reset / setting switch 36), a plurality of types of permissible stages (setting values 1 to 6) having different ratios for determining that the pre-decision means allows the generation of a prize. An allowable level setting means (setting change process) for selecting and setting one of the allowable levels from among them,
Data storage that stores data for control by the game control means including data indicating the allowable stage set by the allowable stage setting means (setting value stored in the set value work). Means (RAM of the main control unit 41);
Stored data determination means (parity check in the startup process) for determining whether or not the data stored in the data storage means is normal;
Disabling means (RAM abnormality error processing) for disabling the progress of the game when the stored data determining means determines that the data stored in the data storing means is not normal;
In a state where the progress of the game is disabled by the disabling unit (RAM abnormal error state), the allowable step is newly set by the allowable step setting unit based on the operation of the setting operation unit (setting) On the condition that the setting value is newly selected and set by the changing process), the disabling canceling means for canceling the state where the progress of the game is disabled and enabling the progress of the game (end of the setting changing process) After that, the process to shift to the game control process)
It is characterized by having.

A slot machine according to claim 2 of the present invention is the slot machine according to claim 1,
The pre-determining means (internal lottery process), when deciding whether or not to allow the occurrence of a winning, the allowable stage (setting value) stored in the data storage means (RAM of the main control unit 41) Appropriate data (range of 1 to 6) indicating the permissible level that can be set by the permissible step setting means. Including an allowable stage data determination means (Se2, 3 in the internal lottery process) for determining whether or not
The disabling means (RAM abnormality error processing) disables progress of the game even when the allowable stage data determining means determines that the data indicating the allowable stage read from the data storage means is not appropriate data. ,
It is characterized by that.

A slot machine according to claim 3 of the present invention is the slot machine according to claim 1 or 2,
The stored data determination means (parity check in the start-up process) determines whether the data stored in the data storage means (RAM of the main control section 41) is normal only when the game control means (main control section 41) is started up. To determine,
It is characterized by that.

A slot machine according to claim 4 of the present invention is the slot machine according to any one of claims 1 to 3,
The state of the predetermined power used in the slot machine 1 is monitored, and when the power interruption condition related to the power supply being cut off is established, the game control means (main control unit 41) is disconnected. Power interruption detection means (power supply monitoring IC 44) for outputting a signal (voltage drop signal),
The game control means includes
In response to the input of the power interruption signal output from the power interruption detection means, destruction diagnosis data (RAM parity) is calculated based on data stored in the data storage means (RAM of the main control unit 41). And including power interruption processing means (power interruption processing) for performing power interruption processing for storing the calculated destruction diagnosis data in a specific area (parity storage area) of the data storage means,
The stored data determination means calculates destruction diagnosis data based on data stored in a storage area excluding a specific area of the data storage means when the game control means is activated, and the calculated destruction diagnosis data And the destructive diagnosis data stored in the specific area of the data storage means, and when the comparison results match, it is determined that the data stored in the data storage means is normal, Determining that the data stored in the data storage means is not normal when the comparison results do not match,
It is characterized by that.

A slot machine according to claim 5 of the present invention is the slot machine according to any one of claims 1 to 4,
The game control means (main control unit 41)
Transition operation for shifting to a setting operation valid state (setting change mode) in which the setting operation of the allowable stage (setting value) by the setting operation means (reset / setting switch 36) is valid when the game control means is activated. Transition operation determining means (Sa3 in the start-up process) for determining whether or not the means (setting key switch 37) is operated;
Setting operation valid state transition means (setting) for transitioning to the setting operation valid state on condition that the transition operation determination means determines that the transition operation means is being operated by the transition operation determination means when the game control means is activated. Change processing)
At the time of starting the game control means, it is determined that the transition operation means is operated by the transition operation determination means, and the setting operation valid state transition means shifts to the setting operation valid state, Data initialization means (Sa9 in the startup process) for initializing data stored in the data storage means (RAM of the main control unit 41);
Including
When the game control means is activated, the transfer operation determination means operates before the stored data determination means determines whether or not the data stored in the data storage means is normal. Determine whether it has been done,
The stored data determination means (parity check in the start-up process) determines whether the data stored in the data storage means is normal when the transfer operation determination means determines that the transfer operation means is not operated. Determine whether or not
It is characterized by that.

It is a front view of the slot machine of the Example to which this invention was applied. It is a figure which shows the symbol arrangement | sequence of a reel. It is a block diagram which shows the structure of a slot machine. It is a figure which shows the storage area of RAM of the main control part shown in FIG. (A) is a figure which shows the winning combination table according to game state, (b) is a figure which shows the example of a table according to a combination. It is a figure which shows the memory area of the number of judgment values acquired based on the address registered into the table according to role. (A)-(c) is a figure which shows the example of the value of the random number for internal lottery, the judgment value number of each combination, and the relationship with a winning combination. It is a flowchart which shows the control content of the starting process which CPU of a main control part performs. It is a flowchart which shows the control content of the setting change process which CPU of a main control part performs. It is a flowchart which shows the control content of the RAM abnormality error process which CPU of a main control part performs. It is a flowchart which shows the control content of the game control process which CPU of the main control part 41 performs. It is a flowchart which shows the control content of the internal lottery process which CPU of the main control part 41 performs in the step of Sd2. 4 is a flowchart showing the control contents of a power interruption interrupt process executed by the occurrence of an external interrupt accompanying the output of a voltage drop signal from the power supply monitoring IC 44 by the CPU of the game control unit 41.

Explanation of symbols

1 Slot machine 2L, 2C, 2R Reel 8L, 8C, 8R Stop switch 36 Reset / setting switch 37 Setting key switch 41 Main control unit

Claims (1)

A game can be started by setting a predetermined number of bets for one game, and a display result of a variable display device capable of variably displaying a plurality of types of identification information each identifiable can be derived and displayed. 1 is a slot machine in which one game is completed and a winning can be generated according to the display result of the variable display device,
Provided with game control means for controlling the game,
The game control means includes
Pre-decision means for deciding whether or not to allow a prize to be generated before the display result of the variable display device is derived;
Based on the operation of a predetermined setting operation means, one of the allowable stages is selected and set from a plurality of allowable stages having different ratios for determining that the pre-decision means allows the generation of a prize. An acceptable stage setting means;
Data storage means for storing data for performing control by the game control means including data indicating the allowable stage set by the allowable stage setting means;
Stored data determination means for determining whether or not the data stored in the data storage means is normal;
Disabling means for disabling the progress of the game when the stored data determination means determines that the data stored in the data storage means is not normal;
In a state where the progress of the game is disabled by the disabling means, the progress of the game is performed on the condition that the allowable stage is newly set by the allowable stage setting means based on the operation of the setting operation means. A disabling release means for releasing the disabled state and allowing the game to proceed,
A slot machine comprising:

Images