JP2016137382A - Game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To sufficiently enhance interest by giving a great element of surprise to a player using a privilege granted to the player who continues a game for a fixed period.SOLUTION: After the number of game times reaches the number of upper-limit times, not only a jackpot lottery based on random numbers r11, r12 (s112, s118) but also a set winning lottery are held (s132, s134). Then, when the lottery results in a set winning lottery (s134: YES), a privilege (a change to a probability variable jackpot of a normal jackpot: s148 → s150 → s142) caused by the set winning lottery is ready to be provided to a player for the first time. Therefore, even if a game is started and the number of game times is increased, a privilege is not uniformly granted to the player, thus giving a great element of surprise to the player by granting the privilege and hence sufficiently enhancing interest.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a gaming machine that provides a predetermined jackpot game to a player when a lottery result based on an input of a predetermined start signal is a jackpot.

  Conventionally, when the result of a lottery resulting from winning a game ball at the start opening is a big hit, the big winning opening is opened and closed a predetermined number of times, and a lot of winning balls are awarded at the time of winning the game ball at this big winning opening. A gaming machine that provides a game to be paid out, a so-called jackpot game is known.

  In recent years, in this type of gaming machine, after a certain period of time has elapsed since the player started the game (the number of symbol variations on the symbol variation indicator has reached a predetermined number), the probability that a jackpot will normally occur ( By giving the player the privilege of switching to a higher state (high probability mode) than the low probability mode), the jackpot is appropriately generated, the player gets bored, and the player has excessive loss A technique for preventing the covering is proposed (see Patent Document 1). With such a gaming machine, a privilege can be given and rewarded to a player who has continued to play a game with the same gaming machine for a certain period of time, that is, a player who has exhausted a specific gaming machine.

JP 2000-37515 A

  However, in the above-mentioned gaming machine, it is only possible to give a privilege to the player in a uniform pattern such that the probability that a jackpot will be generated becomes high when a certain period of time has elapsed since the game was started. Therefore, the unexpectedness given to the player is scarce and it cannot be said that the entertainment is sufficiently improved.

  The present invention has been made in order to solve the above-mentioned problems, and its purpose is to give a player a great surprise by a privilege given to a player who has continued the game for a certain period of time. It is to improve.

  In order to solve the above-mentioned problem, the gaming machine according to claim 1 is a case where, based on the input of a predetermined start signal, a jackpot lottery means for performing lottery or out of lottery, and a lottery result by the jackpot lottery means is a jackpot And a jackpot game providing means for providing a predetermined jackpot game to a player. Further, the gaming machine includes a period measuring means for measuring a gaming period, which is a period of a game by the gaming machine, and a lottery by the jackpot lottery means after the measurement value by the period measuring means reaches a predetermined value. A privilege lottery means for performing a lottery on whether or not to provide a predetermined privilege to a player, and a privilege for providing a player with a predetermined privilege when the lottery result by the privilege lottery means provides a privilege Providing means.

According to the gaming machine configured in this way, after the measured value by the period measuring means reaches a predetermined value, that is, after a certain period has elapsed since the game was started, not only a big win or a lottery but also a predetermined value. A lottery to determine whether or not to provide a privilege to a player is performed. And when it comes to offer a privilege by this lottery, a predetermined privilege will be provided to a player for the first time. Therefore, even if a certain period of time has elapsed since the game was started, the benefits are not provided to the player uniformly, so the provision of this privilege can give the player a great surprise, Thereby, sufficient improvement of interest can be aimed at.

  The period measuring means described above is a means for measuring the game period by the player, and for example, measures the number of lotteries (or the number of start signals input) by the jackpot lottery means and the number of game media used. It may be configured with a counter and a timer for measuring elapsed time.

  Further, the privilege providing means is a means for providing a privilege to the player when the lottery result by the privilege lottery means provides a privilege, and is configured to provide a privilege according to the configuration of the gaming machine. do it. For example, if a gaming machine has a special jackpot, a regular jackpot, or an extra lottery performed by the jackpot lottery means and the lottery result is a special jackpot, after the jackpot game is provided by the jackpot game providing means, If the lottery result by the jackpot lottery means is a normal jackpot while the game state is shifted to a special state that is more advantageous to the player than the normal state, which is the normal game state, the jackpot game by the jackpot game providing means If the game state is configured to shift to the normal state after provision, when the normal jackpot is drawn by the jackpot lottery means, it is a privilege to change the lottery result from the normal jackpot to a special jackpot It is possible to provide.

  For this purpose, as described in claim 2, when the lottery result by the privilege lottery means provides a privilege, privilege storage means for storing the privilege provision information indicating that in the memory is provided. The bonus providing means changes the lottery result by the jackpot lottery means to a special jackpot if the bonus providing information is stored in the memory by the bonus storage means when the lottery result by the jackpot lottery means is a normal jackpot It is good to configure as follows.

  If comprised in this way, when a normal jackpot is lottery by the jackpot lottery means, the lottery result can be changed from the normal jackpot to the special jackpot as long as the privilege providing information is stored in the memory by the bonus storage means. This can be provided to the player as a privilege.

  Here, the probability that the gaming machine will be a big jackpot (special jackpot and normal jackpot) in a lottery after a special jackpot is configured to be higher than the probability of a jackpot in a lottery after a normal jackpot. If the lottery result by the jackpot lottery means is a regular jackpot, if the bonus offer information is stored in the memory, the regular jackpot will be changed to a special jackpot, and in the subsequent lottery The probability of becoming can be increased. As a result, the lottery result by the jackpot lottery means is likely to repeatedly become a jackpot (so-called “ream” is likely to occur), so that the bonus providing information is stored in the memory, that is, the game is continued with the same gaming machine. It is possible to improve the interest in this.

  In addition, although the privilege memory | storage means in this structure is a means to memorize | store the privilege provision information which shows having come to provide a privilege in memory, About what kind of information the privilege provision information is memorize | stored Is not particularly limited. For example, it may be configured to store the number of times that the lottery result by the privilege lottery means provides a privilege in a memory as privilege providing information. In this case, the gaming machine is configured as shown in claim 3. Good.

In the gaming machine according to claim 3, the privilege storage means is configured to store the number of times that the lottery result by the privilege lottery means provides a privilege in the memory as the privilege provision information. If the benefit providing information stored in the memory by the privilege storage means is information indicating one or more times when the lottery result by the jackpot lottery means is a normal jackpot, the privilege providing means is the benefit providing information. The number of times shown is rewritten to information reduced by 1, and the lottery result is changed to a special jackpot.

If comprised in this way, a privilege can be provided to a player by the frequency | count that the lottery result by a privilege lottery means will provide a privilege.
By the way, the predetermined value of the gaming period that triggers the lottery by the privilege lottery means described above may be a predetermined value or a value that can be arbitrarily changed on the manager side of the gaming machine, but is determined by lottery. It is good also as a value to be done. For this purpose, for example, as described in claim 4, predetermined value determining means for determining and determining a predetermined value of a game period that triggers the lottery by the privilege lottery means from a predetermined range. In addition, when the game period reaches the predetermined value thus determined, the privilege lottery means may be configured to perform lottery.

  If comprised in this way, the predetermined value of the game period used as the opportunity for a privilege lottery means to perform a lottery can be drawn and determined from the predetermined range. As a result, the game period until a lottery for determining whether or not to provide a predetermined benefit to the player is performed changes according to the predetermined value determined by the predetermined value determining means. It becomes difficult for the person to grasp the timing of providing the privilege. Therefore, it is possible to give a player a greater surprise by providing a privilege, thereby further improving interest.

  In this configuration, the timing at which the predetermined value determining means determines the predetermined value is not particularly limited. For example, it may be set at a certain time interval or when an event occurs. As this “some event”, for example, it is conceivable that a jackpot game is provided by the jackpot game providing means. Thus, when a jackpot game is provided by the jackpot game providing means, a predetermined value is determined. As a configuration, for example, the configuration described in claim 5 is conceivable.

  6. The gaming machine according to claim 5, wherein the predetermined value determining means determines a predetermined value of a game period every time a jackpot game is provided by the jackpot game providing means, and the period measuring means is the jackpot game. The game period after the jackpot game is provided by the providing means is measured.

  If comprised in this way, a jackpot game will be provided by the jackpot game providing means (or a lottery result by the jackpot lottery means will be a special jackpot or a normal jackpot) and then a jackpot game will be provided (or a jackpot) When the game period until the lottery result by the lottery means becomes a special jackpot or a normal jackpot) reaches a predetermined value, the privilege lottery means can perform a lottery and the player can be provided with a privilege; Become. The predetermined value of the game period at this time is re-determined every time a jackpot game is provided by the jackpot game providing means, so that a lottery for determining whether or not to provide a predetermined privilege to the player is performed. The game period until the game changes every time a jackpot game is provided. Thereby, since it becomes difficult for a player to grasp the timing at which a privilege is provided, it is likely to receive a privilege at a timing that has not been predicted. Thus, by providing a privilege, a player can be given a greater surprise, thereby further enhancing interest.

  The “predetermined range” when the predetermined value determining means determines the predetermined value is not particularly limited. For example, it may be a constant range, a range that changes according to a predetermined rule, or the like. Here, as a configuration for changing the “predetermined range” according to a predetermined rule, a configuration as described in claim 6 can be considered.

7. The gaming machine according to claim 6, wherein the jackpot lottery means draws a special jackpot, a normal jackpot, or a lottery, and the predetermined value determination means has a case where the lottery result by the jackpot lottery means is a normal jackpot , After providing the jackpot game by the jackpot game providing means, the predetermined value of the game period is determined by lottery from within a predetermined first range, while if the lottery result is a special jackpot, A predetermined value of the game period is determined by lottery from within a second range that is within the first range after provision.

  With this configuration, it is possible to change the “predetermined range” according to a rule such that the normal jackpot is in the first range and the special jackpot is in the second range. it can.

  In this configuration, it is desirable that the second range is a range in which a predetermined value in the first range is an upper limit. In such a range, the value determined as the predetermined value is likely to be smaller in the case of a specific jackpot than in the case of a normal jackpot, and the lottery by the privilege lottery means is more easily performed. This is because it is possible to make it easier to provide benefits to the player.

Thus, as a specific example in which the range in which the predetermined value in the first range is the upper limit is the second range, a configuration as described in claim 7 can be considered.
8. The gaming machine according to claim 7, wherein when the lottery result by the jackpot lottery means is a special jackpot, the predetermined value determining means has a range in which the predetermined value determined last time in the first range is an upper limit. Is defined as the second range, and a predetermined value of the game period is determined by lottery from within the second range.

  If comprised in this way, when the lottery result by the jackpot lottery means becomes a special jackpot, the predetermined value of the new game period is determined from the range in which the predetermined value determined last time in the first range is the upper limit. The value can be determined by lottery. Therefore, since the value determined as the predetermined value is likely to be smaller than when the predetermined value determining means previously determined the predetermined value, and the lottery by the privilege lottery means is easily performed, it is easy to provide the player with a privilege. be able to.

  In this configuration, in order to allow the predetermined value determining means to refer to the “predetermined value determined last time”, for example, an area for storing the predetermined value of the game period is secured in the memory, and the predetermined value What is necessary is just to comprise so that the predetermined value memorize | stored in memory may be updated whenever a predetermined value is determined by the determination means.

Front view showing the appearance of a pachinko machine Block diagram showing control system of pachinko machine Flow chart showing processing procedure of game processing The figure which shows data structure (a) of an upper limit determination table, and distribution (b) of "the value used as an upper limit frequency" The flowchart which shows the processing procedure of probability variation jackpot processing / normal jackpot processing Flowchart showing the processing procedure of outlier processing The flowchart which shows the process sequence of the game process in another embodiment. The flowchart which shows the process sequence of probability variation jackpot processing / normal jackpot processing in another embodiment

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the pachinko machine 1 includes an outer frame 3 that is a housing of the pachinko machine 1 and an inner frame 5 that is attached to the outer frame 3 so as to be opened and closed.

  The inner frame 5 includes three inner frame lamps 12 that produce a game by lighting them in conjunction with the game, a game board 14 that provides a game to the player, and a game ball that the player places on the game board 14. A handle 16 for performing the launching operation, an upper tray 24 for storing game balls (prize balls) paid out as prizes from the pachinko machine 1 as a result of the game on the game board 14, and the upper tray 24 for storing game balls A lower receiving tray 26 is provided for receiving game balls discharged from the upper receiving tray 24 due to being unable to fill.

  On the game board 14, an LCD (Liquid Crystal Display; hereinafter simply referred to as “display”) 30 for displaying a special symbol indicating the content of the privilege to be granted to the player and an image related to the game, Tulip-type start winning device 36 having four special symbol holding lamps 32 for indicating to the player that the special symbol variation display displayed on the display 30 is on hold and a pair of movable pieces 36a that open and close. In a jackpot game, which will be described later, a movable winning device 38 provided with an opening / closing plate 38a that tilts forward in the figure to open the winning prize opening, and a single-digit number (0 to 9 in the present embodiment). A normal symbol display device 40 that displays the symbols in a variable manner using a 7-segment LED, four normal symbol hold lamps 42 for notifying that the change display of the normal symbols is held, and a game A game board lamp 44 of a pair to produce a game by lighting in conjunction with, the starting gate 46 of a pair for detecting the passage of the game ball, is provided.

Among these, the display 30 is a special symbol in which three pseudo symbols having numbers 1 to 14 as elements are displayed side by side in the horizontal direction in the center of the display 30.
Next, a part of the control system in the pachinko machine 1 will be described based on the configuration block diagram. As shown in FIG. 2, the pachinko machine 1 is equipped with a CPU, ROM, RAM, timer IC, and the like, and is provided with a main control board 60 that controls games in the pachinko machine 1. The control system of the pachinko machine 1 is constructed by connecting various control boards and various devices on which a CPU, ROM, RAM, and the like are mounted.

  That is, the main control board 60 includes a gate sensor 46a that detects that a game ball has passed through the start gate 46, and a start port sensor 36b that detects that a game ball has been inserted into the start port of the start winning device 36. A solenoid 36c for driving the movable piece 36a of the start winning device 36 is connected.

  The main control board 60 includes a specific area sensor 38b for detecting that a game ball is thrown into a specific area at the big prize opening of the movable winning apparatus 38, and a specific area at the big prize opening of the movable winning apparatus 38. A count sensor 38c that detects that a game ball has been thrown into another general area and a solenoid 38d that drives the opening / closing plate 38a of the movable winning device 38 are connected.

  The main control board 60 has a prize ball control board 66 for controlling the payout device 64 for paying out the prize balls to the upper tray 24, and a speaker 68 installed in the pachinko machine 1, and voices, sound effects, music, etc. Is connected to the audio control board 70 that outputs the signal.

  Furthermore, the main control board 60 includes a lamp control board 72 for lighting the inner frame lamp 12, the game board lamp 44, the special symbol holding lamp 32 and the normal symbol holding lamp 42, and various kinds of special symbols and games related to the display 30. A symbol control board 74 for displaying images and displaying ordinary symbols on the ordinary symbol display device 40 is connected.

In this control system, the CPU of the main control board 60 transmits commands to the various control boards and various devices described above, and these various control boards and various devices operate according to the commands.

The power supply to various control boards including the main control board 60 is performed from the power supply board omitted in FIG.
Here, various processes executed by the CPU of the main control board 60 will be described.
○ Counter processing The CPU of the main control board 60 starts six types of counter processing for generating six types of random numbers r11 to r14, r21, r22 to be used for lottery of grant privileges, etc., at regular intervals, and generates the generated random numbers. Each is stored in a random number storage area secured in the register area of the CPU. In the present embodiment, the random number r11 is made up of numerical values from 0 to 315, and each numerical value is associated with one of “big hit” and “out of place”. The random number r12 is composed of numerical values of 0 to 13, and each numerical value is a “normal jackpot” that is a normal “big jackpot”, and a “big jackpot” that sets the occurrence rate of the next jackpot larger than usual. It is associated with either one of “per probability fluctuation (hereinafter simply referred to as“ probable big hit ”). The random number r13 is composed of numerical values of 0 to 5, and is associated with whether or not each numerical value has a variation pattern that reaches each other, that is, “reach” and “non-reach”. The random number r14 includes numerical values from 0 to 51, and each numerical value is associated with a variation designation command indicating a variation pattern of the pseudo symbol together with the numerical values of the random numbers r11, r12, and r13. The random number r21 is composed of numerical values from 0 to 315, and each numerical value is associated with one of “per set” and “out of” described later. The random number r22 is a numerical value of 1 to 100, and is used to determine the upper limit number of games in the special game process (FIG. 3) described later.

  The counter processing of the present embodiment circulates the numerical values of the random numbers in the random number storage area by a so-called “+1 method” in which the numerical values of the random numbers stored in the random number storage area are incremented by 1 from the initial value to the maximum value. It is set to be. However, in order to prevent the player from easily grasping the circulation cycle of the random number r11 corresponding to the “big hit” and to perform the goto action using the sensor, the counter process for generating the random number r11 Every time the value of the random number r11 in the storage area makes a round, the initial value of the random number r11 stored in the random number storage area is extracted by a known initial value random number update process performed using the remaining time of each counter process. It is set to circulate the numerical value of the random number r11 in the random number storage area by the so-called “initial value update type + 1 method” using values.

In addition, the above-described counter processing is related to a so-called special symbol variation game that forms a main part of the present invention, and a game related to a normal symbol, that is, a game related to a normal symbol variable game is not a main part of the present invention. Description is omitted (there are similar parts below).
○ Random number reference processing The CPU of the main control board 60 refers to the random number reference that refers to the numerical values of the random numbers r11 and r12 in the random number storage area every time a detection signal (that is, a start signal) of the game ball is received from the start port sensor 36b. The process is started, and the numerical values of the random numbers r11 and r12 referred to are sequentially stored in the winning storage area secured in the RAM of the main control board 60 (however, in this embodiment, up to four sets are stored). At this time, the CPU of the main control board 60 holds the special symbol on which the lamp control board 72 is lit in association with the number of sets of random numbers r11 and r12 (that is, the number of holding balls) stored in the winning storage area. The number of lighting of the lamp 32 is updated, and a prize ball is paid out to the prize ball control board 66.
Special game processing The flow of special game processing executed by the CPU of the main control board 60 at regular intervals will be described below with reference to FIG.

When this process is started, the CPU of the main control board 60 first stores a random number r11 in the winning storage area.
, R12 is checked (s110). Here, when the random numbers r11 and r12 are not stored at all (that is, when the “null value” indicating that there is no numerical value is stored), the special game process is immediately terminated.

  On the other hand, when the random numbers r11 and r12 are stored, a set of random numbers r11 and r12 is obtained from the winning storage area according to the order stored in the winning storage area (s112), and then stored in the winning storage area. The number of remaining random numbers r11 and r12 is notified to the lamp control board 72 (s114). Thereby, the CPU of the lamp control board 72 updates the number of lighting of the special symbol holding lamp 32.

  Next, after checking the mode of the current game (s116), the CPU of the main control board 60 checks whether or not the acquired random number r11 corresponds to “big hit” (s118). In the register area of the CPU on the main control board 60, “status flag F (status flag F = 0 in the initial setting) indicating whether or not a status (special status) having a higher hit rate than usual has occurred. Since the storage area for setting "" is secured, the state of the current game is confirmed by confirming the state of the state flag F in the process of s116. In the present embodiment, if “status flag F = 1”, it indicates that a special state has occurred, and if “status flag F = 0”, it indicates that no special status has occurred (normal state). Yes. In the ROM of the main control board 60, two types of reference tables are set in which each numerical value of the random number r11 is associated with whether or not it is “big hit”. In the process of s118, when the state is in a special state (when the probability variation flag F = 1), “big hit” and “out of place” are set so that the random number r11 becomes “big hit” with a higher probability than usual. Is used, and when the special state is not established (when the probability variation flag F = 0), the “big hit” and “ Using the reference table in which “out of” is distributed, it is confirmed whether or not the random number r11 acquired in the process of s112 corresponds to “big hit”.

  In the process of s118, when the acquired random number r11 corresponds to “out of” (s118: NO), the number of games is accumulated (s120), and after executing “out of process” described later (s122), this End the special game process. In the RAM of the main control board 60, a “number variable A (number variable in the initial setting) indicating the number of games until the jackpot game is provided (the number of times the game ball has won the start winning device 36 and lottery has been performed). Since the number storage area for setting “A = 0)” is secured, the number of games is accumulated by adding “1” to the number variable A (A + 1 → A) in the process of s120.

  On the other hand, if the acquired random number r11 corresponds to “big hit” in the process of s118 (s118: YES), it is checked whether or not the number of games has reached the upper limit (s130). The RAM of the main control board 60 has an upper limit storage area for setting an “upper limit variable L” indicating the upper limit number of games determined in the subsequent processing. In the process of s130, when the number of games set in the number variable A is equal to or greater than the maximum number set in the upper limit variable L (L ≦ A), the number of games reaches the upper limit. It is determined that the maximum value has been reached (the upper limit variable L = 500 in the initial setting). Thereafter, in the processing (s132 to s136) performed only when the number of games has reached the upper limit number, whether or not “per set” or “out of” is set as a big win lottery based on the random numbers r11 and r12. Will be done.

  In the process of s130, when the number of games has reached the upper limit (s130: YES), after acquiring the random number r21 from the winning storage area (s132), whether or not the acquired random number r21 corresponds to “per set” Is checked (s134). Since the ROM of the main control board 60 is set with a reference table associating whether each numerical value of the random number r21 is “per set” or not, this reference table is referred to in the processing of s134. Thus, it is checked whether or not the acquired random number r21 corresponds to “per set”.

  The reference table may be set so that each predetermined value is registered. However, it is desirable that the registered value can be changed on the administrator side of the pachinko machine 1. As the values registered in the reference table, if there are a large number of values corresponding to each set, the lottery result will be likely to be per set, so it will be easier to provide jackpot games as described later, and the shooting performance will be too high There is a risk that. Therefore, it can be said that the configuration in which the registered value can be changed is also preferable in order to adjust so that the shooting property does not become too high.

  In the process of s134, when the random number r21 corresponds to “per set” (s134: YES), the number of times per set is accumulated (s136). Since the RAM of the main control board 60 has a set storage area for setting “set variable S (set variable S = 0 in the initial setting)” indicating the number of times per set, the processing of s136 Then, by adding “1” to the set variable S (S + 1 → S), the number of times per set is integrated.

  Thus, after the process of s136 is completed, if the random number r21 does not correspond to “per set” in the process of s134 (s134: NO), or if the number of games has not reached the upper limit in the process of s130 (s130: NO), it is confirmed whether or not the random number r12 acquired in the process of s112 corresponds to “probability big hit” (s140).

In the process of s140, when the random number r12 corresponds to “probability variation jackpot” (s140: YES), “probability variation jackpot processing” described later is executed (s142).
Then, the random number r22 is acquired (s144), and based on the random number r22, a value equal to or smaller than the value previously set as the upper limit number of games is determined as a new upper limit number of games (s146). This special game process ends. The ROM of the main control board 60 has a storage area for setting an upper limit determination table (see FIG. 4A) in which any value from 1 to 500 is associated with each numerical value of the random number r22. Therefore, in the process of s146, by referring to the upper limit determination table, the value corresponding to the converted value rt obtained by converting the random number r22 is determined as the upper limit number of games, and the upper limit storage area is stored. Set to the upper limit variable L. The converted value rt is the value La of the upper limit variable L set in the upper limit storage area (that is, the value previously set as the upper limit number of games) and the maximum value Lmax registered in the upper limit determination table. This is a value obtained by adding up the random number r22 acquired in the process of s144 to the ratio (La / Lmax) to (= 500) and rounding up after the decimal point. In this way, by determining the upper limit number based on the conversion value rt, a new upper limit number is determined from the range having the upper limit set as the upper limit number of game times. For example, when the previous upper limit number is 100, a value of 100 or less is determined as the new upper limit number.

  In the upper limit determination table in the present embodiment, the value corresponding to the random number r22 (that is, the value that becomes the upper limit number) increases as the value of the random number r22 (or the converted value rt) increases, and the random number r22 (or Of the values corresponding to the conversion value rt), the value corresponding to 200 is the highest as a percentage of the whole, and each value is distributed so that the percentage of the whole becomes smaller as the value is far from 200. (See FIG. 4B). The upper limit determination table may be a table in which each predetermined value is registered, but it is desirable that the registered value can be changed on the administrator side of the pachinko machine 1. If many small values (for example, 10) are distributed as the value corresponding to the random number r22 registered in the upper limit determination table, the number of games is likely to reach the upper limit, so lottery per set is performed. As a result, there is a risk that the shooting performance becomes too high. Therefore, it can be said that the configuration in which the registered value can be changed is also preferable in order to adjust so that the shooting property does not become too high.

  If the random number r12 corresponds to “ordinary big hit” (s140: NO) in the above-described processing of s140, it is checked whether or not the set win is accumulated (s148). Here, if the set variable S set in the set storage area described above is a value of 1 or more (1 ≦ S), it is determined that the per set is integrated.

  In the process of s148, if the number per set is integrated (s148: YES), after subtracting the number of times per set (s150), the process proceeds to the process of s142, and the probability variation jackpot process is executed. In the process of s150, by subtracting “1” from the set variable S in the set storage area (S-1 → S), the number of times per set is subtracted. In addition, in this way, when the set win is accumulated when the normal big hit is obtained (s140: NO → s148: YES), the lottery result based on the random number r12 is changed from “normal big win” to “probable big hit”. It is changed, and this is provided to the player as a privilege resulting from per set.

On the other hand, if the hits per set are not integrated in the process of s148 (s148: NO), the “normal jackpot process” described later is executed (s152).
Then, the random number r22 is obtained (s154), and after determining the upper limit number of games based on the random number r22 (s156), the game process is terminated. The process of s154 is the same as the process of s144 described above, but the value used when referring to the upper limit determination table is the random number r22 itself. That is, by referring to the upper limit determination table, the value corresponding to the random number r22 is determined as the upper limit number of games, and set to the upper limit variable L.

Here, the flow of the above-mentioned “probability variation jackpot processing” and “normal jackpot processing” will be described with reference to FIG.
In this probability variation jackpot process, the CPU first refers to the value of the random number r14 in the random number storage area (s210), and corresponds to the value of the random number r14 and the value of the random number r12 acquired in s112 of the game process described above. A variation designation command is transmitted to the symbol control board 74 (s212). Since the ROM of the main control board 60 has a storage area for setting a jackpot variation table in which various variation designation commands are associated with the numerical values of the random numbers r12 and r14, the process of s212 is performed. Then, referring to the jackpot variation table, a variation designation command corresponding to the numerical values of the random numbers r12 and r14 is transmitted to the symbol control board 74.

  Next, the waiting time until the stop command is transmitted is set in the timer IC of the main control board 60 (s214). In the RAM of the main control board 60, a storage area for setting a “waiting variable T3” indicating a waiting time until a stop command is transmitted is secured. In the process of s214, the storage area is set to the waiting variable T3. The value (30 seconds in this embodiment) is set in the timer IC. As a result, the timer IC starts counting down the standby time indicated by the value set in the standby variable T3 based on the clock signal input to the CPU of the main control board 60.

  Next, after waiting until the waiting time elapses (that is, until the count value of the timer IC becomes 0) (s216), a designation command corresponding to the value of the random number r12 is transmitted to the symbol control board 74 (s218). ), A stop command is transmitted to the symbol control board 74 (s220). Here, the stop command is transmitted after the designation command corresponding to the numerical value of the random number r12 is transmitted. The symbol control board 74 that has received these commands displays the symbol on the display 30.

Next, a preset jackpot game process is executed (s222). In this jackpot game processing, the solenoid 38d is driven to tilt the open / close plate 38a, thereby opening the winning opening (big winning opening) of the movable winning device 38, and the game ball of the game ball from the specific area sensor 38b or the count sensor 38c. Each time a detection signal is received, the prize ball control board 66 is instructed to pay out a prize ball. When a certain number of detection signals are received from the specific area sensor 38b and the count sensor 38c, the driving of the solenoid 38d is stopped and the winning opening of the movable winning device 38 is closed. At this time, if the detection signal has been received from the specific area sensor 38b even once, after a certain period of time, the solenoid 38d is driven again to open the winning opening of the movable winning device 38, and the above-described processing is performed again. Run. On the other hand, when no detection signal has been received from the specific area sensor 38b, or the number of times the winning opening of the movable winning device 38 has been opened has reached a predetermined number (16 in this embodiment). The jackpot game process is immediately terminated.

  Next, after setting the mode of the game (s230), the probability variation jackpot process and the normal jackpot process are terminated. If the process of s230 is performed in the “probability change jackpot process”, the state of the game is set by setting “1” in the state flag F. On the other hand, in the case of “normal jackpot processing”, the game mode is set by setting “0” in the state flag F.

  Then, after executing the special state generation process (s232), the probability variation jackpot process or the normal jackpot process is terminated. If the processing of s232 is performed in the probability variation jackpot processing, the command control board 74 is instructed to change the background of the symbol displayed on the display 30 to a special background, and is normally performed in the jackpot processing. If so, the design control board 74 is instructed to return the design background displayed on the display 30 to the normal background.

Further, the flow of the above-mentioned “displacement process” will be described with reference to FIG.
In the off-registration processing, the CPU first refers to the numerical values of the random numbers r13 and r14 in the random number storage area (s410) in the same manner as the processing of s210 in the probability variation jackpot processing (FIG. 5) described above, and the random numbers r13 and r14. A variation designation command corresponding to the numerical value is transmitted to the symbol control board 74 (s412). In the ROM of the main control board 60, since the deviation variation table in which various variation designation commands are associated with the numerical values of the random numbers r13 and r14 is set, in the process of s412, this deviation variation table is stored. With reference, a change designation command corresponding to the numerical values of the random numbers r13 and r14 is transmitted to the symbol control board 74.

Thereafter, the processing of s414 to s420, which is the same processing as the processing of s214 to s220 in the above-described probability variation jackpot processing (FIG. 5), is executed, and the misregistration processing is terminated. Of these processes, in the process of s418, a designation command corresponding to the numerical value of the random number r13 is transmitted.
[effect]
According to the pachinko machine 1 configured in this way, after the number of games reaches the upper limit, not only the big win lottery based on the random numbers r11 and r12 (processing of s112 and s118 in FIG. 3), A lottery is performed (the processing of s132 and s134 in the figure). Then, when the lottery result is per set, a privilege (change from normal jackpot probability change jackpot: s148 → s150 → s142) can be provided to the player for the first time. Therefore, even if the game is started and the number of games is repeated, the benefit is not provided to the player uniformly, so the provision of this privilege can give the player a great surprise, Thereby, sufficient improvement of interest can be aimed at.

As described above, when the lottery result based on the variables r11 and r12 is normally a big hit (in the case of “NO” in the process of s140 in FIG. 3), if the set win is integrated (the process of s148 in the same figure), The lottery result can be changed from a regular jackpot to a promising jackpot (s1
48 → s150 → s142), this can be provided as a privilege to the player by the number of accumulated per set. Here, the pachinko machine 1 is configured such that the probability of winning a jackpot (probability winning jackpot and normal jackpot) in the lottery after becoming a promising jackpot is higher than the probability of making a jackpot in the lottery after the normal jackpot. Therefore, even if the lottery result based on the random numbers r11 and r12 is a normal jackpot, the probability of a jackpot in the subsequent lottery can be increased if the winnings per set are integrated. As a result, the lottery result based on the random numbers r11 and r12 tends to be a big hit repeatedly (so-called “continuous change” is likely to occur), so that the number of games reaches the upper limit number and the set wins are accumulated (same figure). Processing of s136), it is possible to improve the interest in continuing the game.

  Further, in the processes of s146 and s156 in FIG. 3, the upper limit number of games can be determined by drawing from the range of 1 to 500. As a result, the upper limit of the number of games until the lottery per set is performed in the processing of s132 and s134 changes according to the lottery result in the processing of s146 and s156. The timing at which the privilege due to the set is provided is more difficult to grasp. Therefore, it is possible to give a player a greater surprise by providing a privilege, thereby further improving interest.

  Further, when the number of games reaches the upper limit number after the game by the pachinko machine 1 is started or the jackpot game is provided by the processing of s142 and s152 in FIG. (S132, s134), and the player can be provided with a privilege due to the set. Since the upper limit of the number of games at this time is re-determined every time a jackpot game is provided, the upper limit number of times until a lottery per set is performed changes every time a jackpot game is provided Will do. Thereby, since it becomes difficult for a player to grasp the timing at which a privilege is provided, it is likely to receive a privilege at a timing that has not been predicted. Thus, by providing a privilege, a player can be given a greater surprise, thereby further enhancing interest.

  In the case of s140 in FIG. 3, when the jackpot game is provided, after providing the jackpot game, the upper limit number rt is determined based on the conversion value rt obtained by converting the random number r22 from the upper limit determination table, while the normal jackpot is set. If the winning is not accumulated, after providing the jackpot game, the upper limit number based on the random number r22 is determined from the upper limit determination table. In this way, the numerical range when determining the upper limit of the number of games can be set as “if the probability is big hit → within the range with the upper limit set as the upper limit of the number of games last time”, “ It can be changed according to a rule such as “in a certain case → all numerical values distributed in the upper limit determination table”.

  Further, after the probabilistic jackpot is provided, the upper limit of the number of games determined in the process of s146 in FIG. 3 is determined from a range with the upper limit set as the upper limit of the number of games. Therefore, after providing a probable bonus, the value determined as the upper limit is likely to be smaller than the upper limit of the number of games set in the previous game, so that a lottery per set can be performed. Since the period is shortened, it is possible to easily provide the player with a privilege due to the set.

[Modification]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and it goes without saying that various forms can be taken as long as they belong to the technical scope of the present invention. .

  For example, in the above-described embodiment, the number of games is accumulated in the process of s120 in FIG. 3, and the configuration in which the lottery per set is performed after the number of games reaches the upper limit is illustrated. However, as a condition for the lottery per set to be performed, a period other than the period in which the number of games reaches the upper limit may be passed. The “period” in this case may be, for example, a period until the number of game balls reaches a predetermined number if a counter is provided that counts the number of game balls consumed with the game. It is done.

  Moreover, in the said embodiment, what was comprised so that the frequency | count which became per set could be set to the set variable S was illustrated. However, information other than the number of times per set may be set in the set variable S. For example, it is conceivable that information indicating that it is per set is set (for example, “1” is set), not the number of times per set. In this case, in the process of s136 in FIG. 3, information indicating that it is per set is set in the set variable S, and in the process of s148, it is checked whether or not information is set in the set variable S. The process of s150 may be configured to cancel the setting of the set variable S (for example, set “0”).

  Further, in the above embodiment, the same upper limit is set based on the random number r22 or the converted value rt in order to change the numerical range when determining the upper limit of the number of games by the process of s146 and the process of s156 in FIG. An example configured to determine from the determination table is illustrated. However, another configuration can be adopted as a configuration for changing the numerical range when determining the upper limit number of games. For example, an upper limit determination table having different numerical value ranges (or numerical value distributions) is prepared, and the upper limit count is determined based on the random number r22 from different upper limit determination tables in the processes of s146 and s156. Can be considered.

  In the above embodiment, the numerical range when determining the upper limit number of games in the process of s146 in FIG. 3 is part of the numerical range when determining the upper limit number of games in the process of s156. What was comprised was illustrated. However, the numerical ranges in the processes of s146 and s156 may be configured such that only a part of them overlaps or does not overlap at all. As a specific example of the case where the two do not overlap at all as in the latter case, instead of the random number r22, two numerical values r41 and r42 (for example, r41 = 0 to 150, r42) that bisect the numerical range constituting the random number r22. = 151 to 315), and if it is after a probable jackpot, the random number r41 is acquired in the process of s144, and then the upper limit number is determined from the upper limit determination table based on this random number r41. A configuration is conceivable in which, after the random number r42 is acquired by the above process, the upper limit number is determined from the upper limit determination table based on the random number r42.

  Further, in the present embodiment, after the number of games reaches the upper limit number, an example in which a bonus such as changing the normal jackpot to a probable jackpot (s148 → s150 → s142) is provided to the player is illustrated. did. However, another privilege may be provided to the player after the number of games reaches the upper limit. For example, it is conceivable to provide a special display mode reach display (hereinafter referred to as “special reach display”) that appears only after the number of games reaches the upper limit. For this purpose, the following processing is preferably performed.

First, as shown in FIG. 7, the processing of s130 to s136, s148, and s150 in FIG. 3 is not performed, and after s210 in FIG. 5, the number of games reaches the upper limit as shown in FIG. If the upper limit number has not been reached (s310: NO), the process proceeds to s212. If the upper limit number has been reached (s310: YES), the process proceeds to s212. What is necessary is just to comprise so that the corresponding fluctuation designation | designated command may be transmitted to the symbol control board 74 with reference to the reference table different from a process (s320). The reference table referred to in the process of s320 is a table in which a variation designation command for instructing the symbol control board 74 to perform the above-described special reach display is registered as at least a variation designation command.

  With this configuration, after reaching the upper limit number of games, a special reach display is made based on the random number r14 when a big winning lottery based on the random numbers r11 and r12 results in a big winning (probable big winning or normal big winning). A privilege such as appearing can be provided to the player. Since such special reach display is performed only in the probability variation jackpot process and the normal jackpot process, it is possible to make the player foresee that the jackpot will surely become a jackpot. Therefore, the special reach display can give the player a sense of expectation that a jackpot game will be provided, thereby improving the interest in the game.

[Correspondence with the present invention]
In the embodiment described above, the RAM of the main control board 60 is the memory according to the present invention, the “upper limit number of games” is the predetermined value of the game period according to the present invention, and the “probability large bonus” is the special jackpot according to the present invention. The probability variation state is a special state in the present invention, and the normal state that is not the probability variation state is the normal state in the present invention.

  3 is the jackpot lottery means in the present invention, the process in s120 is the period measuring means in the present invention, the processes in s132 and s134 are the privilege lottery means in the present invention, The process is a privilege storage means in the present invention, the processes of s146 and s156 are predetermined value determining means in the present invention, and the processes of s148 and s150 are privilege providing means in the present invention. Further, the process of s222 in FIG. 5 is a jackpot game providing means in the present invention. Moreover, the process of s320 in FIG. 8 is a privilege provision means in this invention.

  Further, the value of the number variable A (the number of games) set in the RAM of the main control board 60 in the process of s120 in FIG. 3 is the game period in the present invention, and is set in the RAM of the main control board 60 in the process of s136. The set variable S (number of times per set) is privilege providing information in the present invention.

  Further, the numerical range when determining the upper limit number of games in the process of s146 in FIG. 3 is the second range in the present invention, and the numerical range when determining the upper limit number of games in the process of s156 is this. It is the 1st range in invention.

  1, 2 ... Pachinko machines, 3 ... Outer frame, 5 ... Inner frame, 12 ... Inner frame lamp, 14 ... Game board, 16 ... Handle, 24 ... Upper tray, 26 ... Lower tray, 30 ... Display, 32 ... Special design Hold lamp, 36 ... start winning device, 36a ... movable piece, 36b ... start opening sensor, 36c ... solenoid, 38 ... movable winning device, 38a ... opening / closing plate, 38b ... specific area sensor, 38c ... count sensor, 38d ... solenoid, 40 ... Normal symbol display device, 42 ... Normal symbol hold lamp, 44 ... Game board lamp, 46 ... Start gate, 46a ... Gate sensor, 60 ... Main control board, 64 ... Payout device, 66 ... Prize ball control board, 68 ... Speaker, 70 ... voice control board, 72 ... lamp control board, 74 ... symbol control board.

  The present invention relates to a gaming machine that provides a predetermined jackpot game to a player when a lottery result based on an input of a predetermined start signal is a jackpot.

  Conventionally, when the result of a lottery resulting from winning a game ball at the start opening is a big hit, the big winning opening is opened and closed a predetermined number of times, and a lot of winning balls are awarded at the time of winning the game ball at this big winning opening. A gaming machine that provides a game to be paid out, a so-called jackpot game is known.

  In recent years, in this type of gaming machine, after a certain period of time has elapsed since the player started the game (the number of symbol variations on the symbol variation indicator has reached a predetermined number), the probability that a jackpot will normally occur ( By giving the player the privilege of switching to a higher state (high probability mode) than the low probability mode), the jackpot is appropriately generated, the player gets bored, and the player loses too much A technique for preventing the covering is proposed (see Patent Document 1). With such a gaming machine, a privilege can be given and rewarded to a player who has continued to play a game with the same gaming machine for a certain period of time, that is, a player who has exhausted a specific gaming machine.

JP 2000-37515 A

  However, in the above-mentioned gaming machine, it is only possible to give a privilege to the player in a uniform pattern such that the probability that a jackpot will be generated becomes high when a certain period of time has elapsed since the game was started. Therefore, the unexpectedness given to the player is scarce and it cannot be said that the entertainment is sufficiently improved.

  The present invention has been made in order to solve the above-mentioned problems, and its purpose is to give a player a great surprise by a privilege given to a player who has continued the game for a certain period of time. It is to improve.

The gaming machine according to claim 1 for solving the above problems, a game machine, comprising: a symbol variation game execution means for performing symbol variation game, a bonus game providing means for providing a bonus game of Jo Tokoro, a. Further, the gaming machine includes a period measuring means for measuring a game period in the game by the game machine, and a mode selecting means for drawing out aspects several aspects of the symbol variation game, the When the measurement value by the period measurement means reaches a predetermined value, the plurality of aspects include an aspect not included when the measurement value does not reach the predetermined value, and the predetermined value is within a predetermined range. Is provided with predetermined value determining means for determining by lottery .

According to the gaming machine configured as described above, after the measurement value by the period measurement means reaches a predetermined value, that is, after a certain period of time has elapsed since the game was started, the plurality of aspects include A mode that is not included when the predetermined value is not reached is included.

  The period measuring means described above is a means for measuring the game period by the player, and for example, measures the number of lotteries (or the number of start signals input) by the jackpot lottery means and the number of game media used. It may be configured with a counter and a timer for measuring elapsed time.

In time and a predetermined value of a game period benefits lottery means described above is an opportunity to perform a lottery is a value determined by extraction election. For this purpose, it may be configured to Ru with a predetermined value determining means for determining by lottery from a predetermined range of the predetermined value of Yu technique period.

According to this structure, a predetermined value of Yu technique period, can be determined by lottery from within a predetermined range. Thus, Yu technique period, the changes in accordance with the predetermined value determined by the predetermined value determining means.

In this configuration, the timing at which the predetermined value determining means determines the predetermined value is not particularly limited. For example, it may be set at a certain time interval or when an event occurs. As this “some event”, for example, it is conceivable that a jackpot game is provided by the jackpot game providing means. Thus, when a jackpot game is provided by the jackpot game providing means, a predetermined value is determined. As the configuration, for example, the following configurations can be considered.

  In the gaming machine, the predetermined value determining means determines a predetermined value of a game period every time a jackpot game is provided by the jackpot game providing means, and the period measuring means determines whether the jackpot game is played by the jackpot game providing means. It is characterized by measuring a game period after being provided.

According to this structure, when the game period between until jackpot game, is the jackpot gaming on whether we following is provided is provided has reached a predetermined value by the bonus game providing means, said plurality of aspects, A mode that is not included when the measured value does not reach the predetermined value is included. The predetermined value of the game period at this time is re-determined every time the jackpot game is provided by the jackpot game providing means, so the predetermined value of the game period changes every time the jackpot game is provided. Become .

The “predetermined range” when the predetermined value determining means determines the predetermined value is not particularly limited. For example, it may be a constant range, a range that changes according to a predetermined rule, or the like. Here, as a configuration for changing the “predetermined range” according to a predetermined rule, a configuration as described in claim 2 can be considered.

3. The gaming machine according to claim 2 , wherein the predetermined value determining means selects one range from a plurality of the ranges, and draws the selected range to determine the predetermined value.

Front view showing the appearance of a pachinko machine Block diagram showing control system of pachinko machine Flow chart showing processing procedure of game processing The figure which shows data structure (a) of an upper limit determination table, and distribution (b) of "the value used as an upper limit frequency" The flowchart which shows the processing procedure of probability variation jackpot processing / normal jackpot processing Flowchart showing the processing procedure of outlier processing The flowchart which shows the process sequence of the game process in another embodiment. The flowchart which shows the process sequence of probability variation jackpot processing / normal jackpot processing in another embodiment

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the pachinko machine 1 includes an outer frame 3 that is a housing of the pachinko machine 1 and an inner frame 5 that is attached to the outer frame 3 so as to be opened and closed.

  The inner frame 5 includes three inner frame lamps 12 that produce a game by lighting them in conjunction with the game, a game board 14 that provides a game to the player, and a game ball that the player places on the game board 14. A handle 16 for performing the launching operation, an upper tray 24 for storing game balls (prize balls) paid out as prizes from the pachinko machine 1 as a result of the game on the game board 14, and the upper tray 24 for storing game balls A lower receiving tray 26 is provided for receiving game balls discharged from the upper receiving tray 24 due to being unable to fill.

  On the game board 14, an LCD (Liquid Crystal Display; hereinafter simply referred to as “display”) 30 for displaying a special symbol indicating the content of the privilege to be granted to the player and an image related to the game, Tulip-type start winning device 36 having four special symbol holding lamps 32 for indicating to the player that the special symbol variation display displayed on the display 30 is on hold and a pair of movable pieces 36a that open and close. In a jackpot game, which will be described later, a movable winning device 38 provided with an opening / closing plate 38a that tilts forward in the figure to open the winning prize opening, and a single-digit number (0 to 9 in the present embodiment). A normal symbol display device 40 that displays the symbols in a variable manner using a 7-segment LED, four normal symbol hold lamps 42 for notifying that the change display of the normal symbols is held, and a game A game board lamp 44 of a pair to produce a game by lighting in conjunction with, the starting gate 46 of a pair detecting passage of the gaming ball is provided.

Among these, the display 30 is a special symbol in which three pseudo symbols having numbers 1 to 14 as elements are displayed side by side in the horizontal direction in the center of the display 30.
Next, a part of the control system in the pachinko machine 1 will be described based on the configuration block diagram. As shown in FIG. 2, the pachinko machine 1 is equipped with a CPU, ROM, RAM, timer IC, and the like, and is provided with a main control board 60 that controls games in the pachinko machine 1. The control system of the pachinko machine 1 is constructed by connecting various control boards and various devices on which a CPU, ROM, RAM, and the like are mounted.

  That is, the main control board 60 includes a gate sensor 46a that detects that a game ball has passed through the start gate 46, and a start port sensor 36b that detects that a game ball has been inserted into the start port of the start winning device 36. A solenoid 36c for driving the movable piece 36a of the start winning device 36 is connected.

  The main control board 60 includes a specific area sensor 38b for detecting that a game ball is thrown into a specific area at the big prize opening of the movable winning apparatus 38, and a specific area at the big prize opening of the movable winning apparatus 38. A count sensor 38c that detects that a game ball has been thrown into another general area and a solenoid 38d that drives the opening / closing plate 38a of the movable winning device 38 are connected.

  The main control board 60 has a prize ball control board 66 for controlling the payout device 64 for paying out the prize balls to the upper tray 24, and a speaker 68 installed in the pachinko machine 1, and voices, sound effects, music, etc. Is connected to the audio control board 70 that outputs the signal.

  Furthermore, the main control board 60 includes a lamp control board 72 for lighting the inner frame lamp 12, the game board lamp 44, the special symbol holding lamp 32 and the normal symbol holding lamp 42, and various kinds of special symbols and games related to the display 30. A symbol control board 74 for displaying images and displaying ordinary symbols on the ordinary symbol display device 40 is connected.

  In this control system, the CPU of the main control board 60 transmits commands to the various control boards and various devices described above, and these various control boards and various devices operate according to the commands.

The power supply to various control boards including the main control board 60 is performed from the power supply board omitted in FIG.
Here, various processes executed by the CPU of the main control board 60 will be described.
○ Counter processing The CPU of the main control board 60 starts six types of counter processing for generating six types of random numbers r11 to r14, r21, r22 to be used for lottery of grant privileges, etc., at regular intervals, and generates the generated random numbers. Each is stored in a random number storage area secured in the register area of the CPU. In the present embodiment, the random number r11 is made up of numerical values from 0 to 315, and each numerical value is associated with one of “big hit” and “out of place”. The random number r12 is composed of numerical values of 0 to 13, and each numerical value is a “normal jackpot” that is a normal “big jackpot”, and a “big jackpot” that sets the occurrence rate of the next jackpot larger than usual. It is associated with either one of “per probability fluctuation (hereinafter simply referred to as“ probable big hit ”). The random number r13 is composed of numerical values of 0 to 5, and is associated with whether or not each numerical value has a variation pattern that reaches each other, that is, “reach” and “non-reach”. The random number r14 includes numerical values from 0 to 51, and each numerical value is associated with a variation designation command indicating a variation pattern of the pseudo symbol together with the numerical values of the random numbers r11, r12, and r13. The random number r21 is composed of numerical values from 0 to 315, and each numerical value is associated with one of “per set” and “out of” described later. The random number r22 is a numerical value of 1 to 100, and is used to determine the upper limit number of games in the special game process (FIG. 3) described later.

  The counter processing of the present embodiment circulates the numerical values of the random numbers in the random number storage area by a so-called “+1 method” in which the numerical values of the random numbers stored in the random number storage area are incremented by 1 from the initial value to the maximum value. It is set to be. However, in order to prevent the player from easily grasping the circulation cycle of the random number r11 corresponding to the “big hit” and to perform the goto action using the sensor, the counter process for generating the random number r11 Every time the value of the random number r11 in the storage area makes a round, the initial value of the random number r11 stored in the random number storage area is extracted by a known initial value random number update process performed using the remaining time of each counter process. It is set to circulate the numerical value of the random number r11 in the random number storage area by the so-called “initial value update type + 1 method” using values.

In addition, the above-described counter processing is related to a so-called special symbol variation game that forms a main part of the present invention, and a game related to a normal symbol, that is, a game related to a normal symbol variable game is not a main part of the present invention. Description is omitted (there are similar parts below).
○ Random number reference processing The CPU of the main control board 60 refers to the random number reference that refers to the numerical values of the random numbers r11 and r12 in the random number storage area every time a detection signal (that is, a start signal) of the game ball is received from the start port sensor 36b. The process is started, and the numerical values of the random numbers r11 and r12 referred to are sequentially stored in the winning storage area secured in the RAM of the main control board 60 (however, in this embodiment, up to four sets are stored). At this time, the CPU of the main control board 60 holds the special symbol on which the lamp control board 72 is lit in association with the number of sets of random numbers r11 and r12 (that is, the number of holding balls) stored in the winning storage area. The number of lighting of the lamp 32 is updated, and a prize ball is paid out to the prize ball control board 66.
Special game processing The flow of special game processing executed by the CPU of the main control board 60 at regular intervals will be described below with reference to FIG.

   When this process is started, the CPU of the main control board 60 first checks whether or not the random numbers r11 and r12 are stored in the winning storage area (s110). Here, when the random numbers r11 and r12 are not stored at all (that is, when the “null value” indicating that there is no numerical value is stored), the special game process is immediately terminated.

  On the other hand, when the random numbers r11 and r12 are stored, a set of random numbers r11 and r12 is obtained from the winning storage area according to the order stored in the winning storage area (s112), and then stored in the winning storage area. The number of remaining random numbers r11 and r12 is notified to the lamp control board 72 (s114). Thereby, the CPU of the lamp control board 72 updates the number of lighting of the special symbol holding lamp 32.

  Next, after checking the mode of the current game (s116), the CPU of the main control board 60 checks whether or not the acquired random number r11 corresponds to “big hit” (s118). In the register area of the CPU on the main control board 60, “status flag F (status flag F = 0 in the initial setting) indicating whether or not a status (special status) having a higher hit rate than usual has occurred. Since the storage area for setting "" is secured, the state of the current game is confirmed by confirming the state of the state flag F in the process of s116. In the present embodiment, if “status flag F = 1”, it indicates that a special state has occurred, and if “status flag F = 0”, it indicates that no special status has occurred (normal state). Yes. In the ROM of the main control board 60, two types of reference tables are set in which each numerical value of the random number r11 is associated with whether or not it is “big hit”. In the process of s118, when the state is in a special state (when the probability variation flag F = 1), “big hit” and “out of place” are set so that the random number r11 becomes “big hit” with a higher probability than usual. Is used, and when the special state is not established (when the probability variation flag F = 0), the “big hit” and “ Using the reference table in which “out of” is distributed, it is confirmed whether or not the random number r11 acquired in the process of s112 corresponds to “big hit”.

  In the process of s118, when the acquired random number r11 corresponds to “out of” (s118: NO), the number of games is accumulated (s120), and after executing “out of process” described later (s122), this End the special game process. In the RAM of the main control board 60, a “number variable A (number variable in the initial setting) indicating the number of games until the jackpot game is provided (the number of times the game ball has won the start winning device 36 and lottery has been performed). Since the number storage area for setting “A = 0)” is secured, the number of games is accumulated by adding “1” to the number variable A (A + 1 → A) in the process of s120.

  On the other hand, if the acquired random number r11 corresponds to “big hit” in the process of s118 (s118: YES), it is checked whether or not the number of games has reached the upper limit (s130). The RAM of the main control board 60 has an upper limit storage area for setting an “upper limit variable L” indicating the upper limit number of games determined in the subsequent processing. In the process of s130, when the number of games set in the number variable A is equal to or greater than the maximum number set in the upper limit variable L (L ≦ A), the number of games reaches the upper limit. It is determined that the maximum value has been reached (in the initial setting, the upper limit variable L = 500). Thereafter, in the processing (s132 to s136) performed only when the number of games has reached the upper limit number, whether or not “per set” or “out of” is set as a big win lottery based on the random numbers r11 and r12. Will be done.

  In the process of s130, when the number of games has reached the upper limit (s130: YES), after acquiring the random number r21 from the winning storage area (s132), whether or not the acquired random number r21 corresponds to “per set” Is checked (s134). Since the ROM of the main control board 60 is set with a reference table associating whether each numerical value of the random number r21 is “per set” or not, this reference table is referred to in the processing of s134. Thus, it is checked whether or not the acquired random number r21 corresponds to “per set”.

  The reference table may be set so that each predetermined value is registered. However, it is desirable that the registered value can be changed on the administrator side of the pachinko machine 1. As the values registered in the reference table, if there are a large number of values corresponding to each set, the lottery result will be likely to be per set, so it will be easier to provide jackpot games as described later, and the shooting performance will be too high There is a risk that. Therefore, it can be said that the configuration in which the registered value can be changed is also preferable in order to adjust so that the shooting property does not become too high.

  In the process of s134, when the random number r21 corresponds to “per set” (s134: YES), the number of times per set is accumulated (s136). Since the RAM of the main control board 60 has a set storage area for setting “set variable S (set variable S = 0 in the initial setting)” indicating the number of times per set, the processing of s136 Then, by adding “1” to the set variable S (S + 1 → S), the number of times per set is integrated.

  Thus, after the process of s136 is completed, if the random number r21 does not correspond to “per set” in the process of s134 (s134: NO), or if the number of games has not reached the upper limit in the process of s130 (s130: NO), it is confirmed whether or not the random number r12 acquired in the process of s112 corresponds to “probability big hit” (s140).

In the process of s140, when the random number r12 corresponds to “probability variation jackpot” (s140: YES), “probability variation jackpot processing” described later is executed (s142).
Then, the random number r22 is acquired (s144), and based on the random number r22, a value equal to or smaller than the value previously set as the upper limit number of games is determined as a new upper limit number of games (s146). This special game process ends. The ROM of the main control board 60 has a storage area for setting an upper limit determination table (see FIG. 4A) in which any value from 1 to 500 is associated with each numerical value of the random number r22. Therefore, in the process of s146, by referring to the upper limit determination table, the value corresponding to the converted value rt obtained by converting the random number r22 is determined as the upper limit number of games, and the upper limit storage area is stored. Set to the upper limit variable L. The converted value rt is the value La of the upper limit variable L set in the upper limit storage area (that is, the value previously set as the upper limit number of games) and the maximum value Lmax registered in the upper limit determination table. This is a value obtained by adding up the random number r22 acquired in the process of s144 to the ratio (La / Lmax) to (= 500) and rounding up after the decimal point. In this way, by determining the upper limit number based on the conversion value rt, a new upper limit number is determined from the range having the upper limit set as the upper limit number of game times. For example, when the previous upper limit number is 100, a value of 100 or less is determined as the new upper limit number.

  In the upper limit determination table in the present embodiment, the value corresponding to the random number r22 (that is, the value that becomes the upper limit number) increases as the value of the random number r22 (or the converted value rt) increases, and the random number r22 (or Of the values corresponding to the conversion value rt), the value corresponding to 200 is the highest as a percentage of the whole, and each value is distributed so that the percentage of the whole becomes smaller as the value is far from 200. (See FIG. 4B). The upper limit determination table may be a table in which each predetermined value is registered, but it is desirable that the registered value can be changed on the administrator side of the pachinko machine 1. If many small values (for example, 10) are distributed as the value corresponding to the random number r22 registered in the upper limit determination table, the number of games is likely to reach the upper limit, so lottery per set is performed. As a result, there is a risk that the shooting performance becomes too high. Therefore, it can be said that the configuration in which the registered value can be changed is also preferable in order to adjust so that the shooting property does not become too high.

  If the random number r12 corresponds to “ordinary big hit” (s140: NO) in the above-described processing of s140, it is checked whether or not the set win is accumulated (s148). Here, if the set variable S set in the set storage area described above is a value of 1 or more (1 ≦ S), it is determined that the per set is integrated.

  In the process of s148, if the number per set is integrated (s148: YES), after subtracting the number of times per set (s150), the process proceeds to the process of s142, and the probability variation jackpot process is executed. In the process of s150, by subtracting “1” from the set variable S in the set storage area (S-1 → S), the number of times per set is subtracted. In addition, in this way, when the set win is accumulated when the normal big hit is obtained (s140: NO → s148: YES), the lottery result based on the random number r12 is changed from “normal big win” to “probable big hit”. It is changed, and this is provided to the player as a privilege resulting from per set.

On the other hand, if the hits per set are not integrated in the process of s148 (s148: NO), the “normal jackpot process” described later is executed (s152).
Then, the random number r22 is obtained (s154), and after determining the upper limit number of games based on the random number r22 (s156), the game process is terminated. The process of s154 is the same as the process of s144 described above, but the value used when referring to the upper limit determination table is the random number r22 itself. That is, by referring to the upper limit determination table, the value corresponding to the random number r22 is determined as the upper limit number of games, and set to the upper limit variable L.

Here, the flow of the above-mentioned “probability variation jackpot processing” and “normal jackpot processing” will be described with reference to FIG.
In this probability variation jackpot process, the CPU first refers to the value of the random number r14 in the random number storage area (s210), and corresponds to the value of the random number r14 and the value of the random number r12 acquired in s112 of the game process described above. A variation designation command is transmitted to the symbol control board 74 (s212). Since the ROM of the main control board 60 has a storage area for setting a jackpot variation table in which various variation designation commands are associated with the numerical values of the random numbers r12 and r14, the process of s212 is performed. Then, referring to the jackpot variation table, a variation designation command corresponding to the numerical values of the random numbers r12 and r14 is transmitted to the symbol control board 74.

  Next, the waiting time until the stop command is transmitted is set in the timer IC of the main control board 60 (s214). In the RAM of the main control board 60, a storage area for setting a “waiting variable T3” indicating a waiting time until a stop command is transmitted is secured. In the process of s214, the storage area is set to the waiting variable T3. The value (30 seconds in this embodiment) is set in the timer IC. As a result, the timer IC starts counting down the standby time indicated by the value set in the standby variable T3 based on the clock signal input to the CPU of the main control board 60.

  Next, after waiting until the waiting time elapses (that is, until the count value of the timer IC becomes 0) (s216), a designation command corresponding to the value of the random number r12 is transmitted to the symbol control board 74 (s218). ), A stop command is transmitted to the symbol control board 74 (s220). Here, the stop command is transmitted after the designation command corresponding to the numerical value of the random number r12 is transmitted. The symbol control board 74 that has received these commands displays the symbol on the display 30.

  Next, a preset jackpot game process is executed (s222). In this jackpot game processing, the solenoid 38d is driven to tilt the open / close plate 38a, thereby opening the winning opening (big winning opening) of the movable winning device 38, and the game ball of the game ball from the specific area sensor 38b or the count sensor 38c. Each time a detection signal is received, the prize ball control board 66 is instructed to pay out a prize ball. When a certain number of detection signals are received from the specific area sensor 38b and the count sensor 38c, the driving of the solenoid 38d is stopped and the winning opening of the movable winning device 38 is closed. At this time, if the detection signal has been received from the specific area sensor 38b even once, after a certain period of time, the solenoid 38d is driven again to open the winning opening of the movable winning device 38, and the above-described processing is performed again. Run. On the other hand, when no detection signal has been received from the specific area sensor 38b, or the number of times the winning opening of the movable winning device 38 has been opened has reached a predetermined number (16 in this embodiment). The jackpot game process is immediately terminated.

  Next, after setting the mode of the game (s230), the probability variation jackpot process and the normal jackpot process are terminated. If the process of s230 is performed in the “probability change jackpot process”, the state of the game is set by setting “1” in the state flag F. On the other hand, in the case of “normal jackpot processing”, the game mode is set by setting “0” in the state flag F.

  Then, after executing the special state generation process (s232), the probability variation jackpot process or the normal jackpot process is terminated. If the processing of s232 is performed in the probability variation jackpot processing, the command control board 74 is instructed to change the background of the symbol displayed on the display 30 to a special background, and is normally performed in the jackpot processing. If so, the design control board 74 is instructed to return the design background displayed on the display 30 to the normal background.

Further, the flow of the above-mentioned “displacement process” will be described with reference to FIG.
In the off-registration processing, the CPU first refers to the numerical values of the random numbers r13 and r14 in the random number storage area (s410) in the same manner as the processing of s210 in the probability variation jackpot processing (FIG. 5) described above, and the random numbers r13 and r14. A variation designation command corresponding to the numerical value is transmitted to the symbol control board 74 (s412). In the ROM of the main control board 60, since the deviation variation table in which various variation designation commands are associated with the numerical values of the random numbers r13 and r14 is set, in the process of s412, this deviation variation table is stored. With reference, a change designation command corresponding to the numerical values of the random numbers r13 and r14 is transmitted to the symbol control board 74.

Thereafter, the processing of s414 to s420, which is the same processing as the processing of s214 to s220 in the above-described probability variation jackpot processing (FIG. 5), is executed, and the misregistration processing is terminated. Of these processes, in the process of s418, a designation command corresponding to the numerical value of the random number r13 is transmitted.
[effect]
According to the pachinko machine 1 configured in this way, after the number of games reaches the upper limit, not only the big win lottery based on the random numbers r11 and r12 (processing of s112 and s118 in FIG. 3), A lottery is performed (the processing of s132 and s134 in the figure). Then, when the lottery result is per set, a privilege (change from normal jackpot probability change jackpot: s148 → s150 → s142) can be provided to the player for the first time. Therefore, even if the game is started and the number of games is repeated, the benefit is not provided to the player uniformly, so the provision of this privilege can give the player a great surprise, Thereby, sufficient improvement of interest can be aimed at.

  As described above, when the lottery result based on the variables r11 and r12 is normally a big hit (in the case of “NO” in the process of s140 in FIG. 3), if the set win is integrated (the process of s148 in the same figure), The lottery result can be changed from a normal jackpot to a probable bonus jackpot (s148 → s150 → s142), and this can be provided as a privilege to the player by the number accumulated per set. Here, the pachinko machine 1 is configured such that the probability of winning a jackpot (probability winning jackpot and normal jackpot) in the lottery after becoming a promising jackpot is higher than the probability of making a jackpot in the lottery after the normal jackpot. Therefore, even if the lottery result based on the random numbers r11 and r12 is a normal jackpot, the probability of a jackpot in the subsequent lottery can be increased if the winnings per set are integrated. As a result, the lottery result based on the random numbers r11 and r12 tends to be a big hit repeatedly (so-called “continuous change” is likely to occur), so that the number of games reaches the upper limit number and the set wins are accumulated (same figure). Processing of s136), it is possible to improve the interest in continuing the game.

  Further, in the processes of s146 and s156 in FIG. 3, the upper limit number of games can be determined by drawing from the range of 1 to 500. As a result, the upper limit of the number of games until the lottery per set is performed in the processing of s132 and s134 changes according to the lottery result in the processing of s146 and s156. The timing at which the privilege due to the set is provided is more difficult to grasp. Therefore, it is possible to give a player a greater surprise by providing a privilege, thereby further improving interest.

  Further, when the number of games reaches the upper limit number after the game by the pachinko machine 1 is started or the jackpot game is provided by the processing of s142 and s152 in FIG. (S132, s134), and the player can be provided with a privilege due to the set. Since the upper limit of the number of games at this time is re-determined every time a jackpot game is provided, the upper limit number of times until a lottery per set is performed changes every time a jackpot game is provided Will do. Thereby, since it becomes difficult for a player to grasp the timing at which a privilege is provided, it is likely to receive a privilege at a timing that has not been predicted. Thus, by providing a privilege, a player can be given a greater surprise, thereby further enhancing interest.

  In the case of s140 in FIG. 3, when the jackpot game is provided, after providing the jackpot game, the upper limit number rt is determined based on the conversion value rt obtained by converting the random number r22 from the upper limit determination table, while the normal jackpot is set. If the winning is not accumulated, after providing the jackpot game, the upper limit number based on the random number r22 is determined from the upper limit determination table. In this way, the numerical range when determining the upper limit of the number of games can be set as “if the probability is big hit → within the range with the upper limit set as the upper limit of the number of games last time”, “ It can be changed according to a rule such as “in a certain case → all numerical values distributed in the upper limit determination table”.

  Further, after the probabilistic jackpot is provided, the upper limit of the number of games determined in the process of s146 in FIG. 3 is determined from a range with the upper limit set as the upper limit of the number of games. Therefore, after providing a probable bonus, the value determined as the upper limit is likely to be smaller than the upper limit of the number of games set in the previous game, so that a lottery per set can be performed. Since the period is shortened, it is possible to easily provide the player with a privilege due to the set.

[Modification]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and it goes without saying that various forms can be taken as long as they belong to the technical scope of the present invention. .

  For example, in the above-described embodiment, the number of games is accumulated in the process of s120 in FIG. 3, and the configuration in which the lottery per set is performed after the number of games reaches the upper limit is illustrated. However, as a condition for the lottery per set to be performed, a period other than the period in which the number of games reaches the upper limit may be passed. The “period” in this case may be, for example, a period until the number of game balls reaches a predetermined number if a counter is provided that counts the number of game balls consumed with the game. It is done.

   Moreover, in the said embodiment, what was comprised so that the frequency | count which became per set could be set to the set variable S was illustrated. However, information other than the number of times per set may be set in the set variable S. For example, it is conceivable that information indicating that it is per set is set (for example, “1” is set), not the number of times per set. In this case, in the process of s136 in FIG. 3, information indicating that it is per set is set in the set variable S, and in the process of s148, it is checked whether or not information is set in the set variable S. The process of s150 may be configured to cancel the setting of the set variable S (for example, set “0”).

  Further, in the above embodiment, the same upper limit is set based on the random number r22 or the converted value rt in order to change the numerical range when determining the upper limit of the number of games by the process of s146 and the process of s156 in FIG. An example configured to determine from the determination table is illustrated. However, another configuration can be adopted as a configuration for changing the numerical range when determining the upper limit number of games. For example, an upper limit determination table having different numerical value ranges (or numerical value distributions) is prepared, and the upper limit count is determined based on the random number r22 from different upper limit determination tables in the processes of s146 and s156. Can be considered.

  In the above embodiment, the numerical range when determining the upper limit number of games in the process of s146 in FIG. 3 is part of the numerical range when determining the upper limit number of games in the process of s156. What was comprised was illustrated. However, the numerical ranges in the processes of s146 and s156 may be configured such that only a part of them overlaps or does not overlap at all. As a specific example of the case where the two do not overlap at all as in the latter case, instead of the random number r22, two numerical values r41 and r42 (for example, r41 = 0 to 150, r42) that bisect the numerical range constituting the random number r22. = 151 to 315), and if it is after a probable jackpot, the random number r41 is acquired in the process of s144, and then the upper limit number is determined from the upper limit determination table based on this random number r41. A configuration is conceivable in which, after the random number r42 is acquired by the above process, the upper limit number is determined from the upper limit determination table based on the random number r42.

  Further, in the present embodiment, after the number of games reaches the upper limit number, an example in which a bonus such as changing the normal jackpot to a probable jackpot (s148 → s150 → s142) is provided to the player is illustrated. did. However, another privilege may be provided to the player after the number of games reaches the upper limit. For example, it is conceivable to provide a special display mode reach display (hereinafter referred to as “special reach display”) that appears only after the number of games reaches the upper limit. For this purpose, the following processing is preferably performed.

  First, as shown in FIG. 7, the processing of s130 to s136, s148, and s150 in FIG. 3 is not performed, and after s210 in FIG. 5, the number of games reaches the upper limit as shown in FIG. If the upper limit number has not been reached (s310: NO), the process proceeds to s212. If the upper limit number has been reached (s310: YES), the process proceeds to s212. What is necessary is just to comprise so that the corresponding fluctuation designation | designated command may be transmitted to the symbol control board 74 with reference to the reference table different from a process (s320). The reference table referred to in the process of s320 is a table in which a variation designation command for instructing the symbol control board 74 to perform the above-described special reach display is registered as at least a variation designation command.

  With this configuration, after reaching the upper limit number of games, a special reach display is made based on the random number r14 when a big winning lottery based on the random numbers r11 and r12 results in a big winning (probable big winning or normal big winning). A privilege such as appearing can be provided to the player. Since such special reach display is performed only in the probability variation jackpot process and the normal jackpot process, it is possible to make the player foresee that the jackpot will surely become a jackpot. Therefore, the special reach display can give the player a sense of expectation that a jackpot game will be provided, thereby improving the interest in the game.

[Correspondence with the present invention]
In the embodiment described above, "upper limit number of game number" is Ru predetermined value der gaming period in the present invention.

Further, the processing of s 120 is a period measuring means in the present invention, the processing of s 146, s156 is Ru predetermined value determining means der in the present invention. Further, the process of s222 in FIG. 5 is a jackpot game providing means in the present invention .

The value (game number) of the number of times the variable A is set in the RAM of the main control board 60 in the process of s120 in Fig. 3 Ru game period der in the present invention.

  1, 2 ... Pachinko machines, 3 ... Outer frame, 5 ... Inner frame, 12 ... Inner frame lamp, 14 ... Game board, 16 ... Handle, 24 ... Upper tray, 26 ... Lower tray, 30 ... Display, 32 ... Special design Hold lamp, 36 ... start winning device, 36a ... movable piece, 36b ... start opening sensor, 36c ... solenoid, 38 ... movable winning device, 38a ... opening / closing plate, 38b ... specific area sensor, 38c ... count sensor, 38d ... solenoid, 40 ... Normal symbol display device, 42 ... Normal symbol hold lamp, 44 ... Game board lamp, 46 ... Start gate, 46a ... Gate sensor, 60 ... Main control board, 64 ... Payout device, 66 ... Prize ball control board, 68 ... Speaker, 70 ... voice control board, 72 ... lamp control board, 74 ... symbol control board.

Claims (7)

A jackpot lottery means for performing a lottery for winning or losing a jackpot based on the input of a predetermined start signal;
A jackpot game providing means for providing a predetermined jackpot game to a player when the lottery result by the jackpot lottery means is a jackpot,
A period measuring means for measuring a game period which is a period of a game by the gaming machine;
A privilege lottery means for performing a lottery to determine whether or not to provide a player with a predetermined privilege in conjunction with the lottery by the jackpot lottery means after the measurement value by the period measuring means reaches a predetermined value;
A gaming machine, comprising: a bonus providing means for providing a predetermined bonus to a player when a lottery result by the bonus lottery means provides a bonus. When the jackpot lottery means draws a special jackpot, a normal jackpot, or an extra lottery, and the lottery result is a special jackpot, after the jackpot game is provided by the jackpot game providing means, the gaming state is a normal gaming state. If the lottery result by the jackpot lottery means is a normal jackpot while the game state is shifted to a special state that is more advantageous to the player than the normal state, after the jackpot game providing means by the jackpot game providing means, A gaming machine configured to shift the gaming state to the normal state,
When the lottery result by the privilege lottery means is to provide a privilege, a privilege storage unit is provided for storing privilege provision information indicating that in the memory,
The bonus providing means changes the lottery result by the jackpot lottery means to a special jackpot if the bonus providing information is stored in the memory by the bonus storage means when the lottery result by the jackpot lottery means is a normal jackpot The gaming machine according to claim 1, wherein: The privilege storage means is configured to store the number of times that the lottery result by the privilege lottery means is to provide a privilege in the memory as the privilege provision information,
If the benefit providing information stored in the memory by the privilege storage means is information indicating one or more times when the lottery result by the jackpot lottery means is a normal jackpot, the privilege providing means is the benefit providing information. The gaming machine according to claim 2, wherein the number of times indicated is rewritten to information obtained by subtracting 1 and the lottery result is changed to a special jackpot. 4. The predetermined value determining means for selecting and determining a predetermined value of a game period that triggers the lottery by the bonus lottery means from within a predetermined range. The gaming machine described in 1. The predetermined value determining means determines a predetermined value of a game period every time a jackpot game is provided by the jackpot game providing means,
The gaming machine according to claim 4, wherein the period measuring unit measures a game period after the jackpot game is provided by the jackpot game providing unit. The jackpot lottery means perform a special jackpot, a regular jackpot, or a lottery lottery,
When the lottery result by the jackpot lottery means is a normal jackpot, the predetermined value determining means lotteries the predetermined value of the game period from within a predetermined first range after providing the jackpot game by the jackpot game providing means. On the other hand, when the lottery result is a special jackpot, after the jackpot game is provided, the predetermined value of the game period is determined by lottery from the second range that is within the first range. The gaming machine according to claim 4 or 5, wherein the gaming machine is characterized by that. When the lottery result by the jackpot lottery means is a special jackpot, the predetermined value determining means sets the second range as the second range that is the upper limit of the predetermined value determined last time in the first range. The gaming machine according to claim 6, wherein a predetermined value of the gaming period is determined by lottery from within a range of 2.

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