JP4621784B2 - Bullet ball machine - Google Patents

Description

  The present invention relates to a gaming machine such as a pachinko machine, an arrangement ball machine, or a sparrow ball game machine, and more particularly to a bullet ball game machine in which the control content is not complicated even if a plurality of symbol start ports are provided.

  A ball game machine such as a pachinko machine has a symbol start opening provided on the game board, a symbol display section for stopping after a plurality of symbols are variably displayed, and a big prize opening where the opening and closing plate is opened and closed. It is prepared for. When the game ball wins after passing through the symbol start opening, the symbol display unit starts to change the display symbol, and then when the special symbol corresponding to the big hit state is aligned, the big winning opening is opened and many game balls are opened. Profits can be expected to be paid out.

  In this type of gaming machine, the jackpot counter is realized by software, and the value of the jackpot counter is updated every predetermined time (P) within a predetermined numerical range. For example, in the case of the processing system as shown in FIG. 12A, a reset signal is given to the CPU every predetermined time (P), and the value of the big hit counter is updated in a part of the periodic execution unit ( ST30). In the case of the processing system as shown in FIG. 12B, the value of the big hit counter is updated in the interrupt processing (periodic execution unit) that occurs every predetermined time (P) (ST30).

  Then, when the game ball is introduced through the symbol start port, it is determined that the game ball has won (ST31), and a big hit determination process is performed based on the updated value of the big hit counter (ST32). As a result of the determination process, if the value of the jackpot counter (the random number for lottery) matches the jackpot winning value Hit, the special symbols are controlled to be aligned in the stopped state after the variable display in the symbol display section.

  By the way, in such a pachinko machine, the player proceeds with the game only expecting to win the big hit state, so if a plurality of symbol start ports are provided, the player's sense of expectation to the big hit state It will be possible to realize an attractive gaming machine that arouses In such a gaming machine, it is also possible to perform a completely independent lottery process for each of the plurality of symbol starting ports in consideration of the possibility that game balls may simultaneously enter a plurality of symbol starting ports.

  However, when such a control method is adopted, not only the control contents become complicated and the program becomes longer, but also the arrangement position on the program for each lottery process is limited due to the update cycle of the big hit counter. In short, the degree of freedom of program creation is reduced. In the first place, since a situation in which a game ball enters a plurality of symbol start ports at the same time usually occurs rarely, it is reasonable to give priority to simplifying the control contents.

  The present invention has been made based on such an idea, and an object of the present invention is to provide a ball game machine in which a control program is not complicated even when a plurality of symbol start ports are provided.

In order to solve the above-mentioned problem, the present invention displays a display symbol on a symbol display unit in a predetermined time when a game ball is won at any one of the first and second symbol start ports, and then the display symbol is displayed. Is a ball game machine in which a special game in the big hit state is started when the winning state is stopped, and is configured such that the game operation proceeds in a periodic execution unit that is repeatedly executed every predetermined time, The target execution unit obtains a counter value of a single counter once every predetermined time or once as necessary, and a winning of a game ball to the two symbol start ports, When the switch input process is determined every predetermined time and it is determined by the switch input process that the game ball has won the first symbol start opening, the counter value acquired in the acquisition process and the first winning prize are determined. Big hit against the value When it is determined by the first lottery process for determining whether or not the game ball has won the second symbol start opening by the switch input process, the counter value acquired in the acquisition process and the And a second lottery process for determining whether or not a big hit state is compared with the two winning values, and the first winning value is different from the second winning value .

In the present invention, since the lottery process is performed based on the single counter value, there is no particular limitation on the arrangement position of the lottery process on the program, and the degree of freedom of program creation is high (see FIG. 11).

In the present invention, since the big hit winning value Hit is set for each predetermined area, independent lottery processing for each predetermined area can be realized. For example, even when two predetermined areas are won almost simultaneously, the random number for lottery RND is single, and the big win winning value differs for each predetermined area (Hit1, Hit2). There will be only one of the predetermined areas, and there will be no double wins, so that it is possible to realize an adult gaming machine that is not rough.

As described above, according to the present invention, a control method not only is simple, the game machine can be realized suitable for the general player.

  Further, according to the present invention, a duplicate winning state may occur in winning in a plurality of predetermined areas (typically, symbol start ports). In such a case, two winning states are followed by the first winning state. It is preferable to hold the winning state so that the winning state of the eyes can be continuously executed.

  In the present invention, a control program for realizing a gaming operation includes a main processing unit that is continuously executed in an infinite loop and the periodic execution unit that is repeatedly executed every predetermined time during the execution of the main processing. It is preferable to have it. The periodic execution unit is preferably configured to be repeatedly executed by a CPU reset signal generated every predetermined time.

  As described above, according to the present invention, it is possible to realize a bullet ball game machine in which the control program is not complicated even when a plurality of symbol start ports are provided.

It is a perspective view which shows the pachinko machine which is one Example of this invention. It is a side view of the pachinko machine shown in FIG. It is a front view which shows the game board of the pachinko machine shown in FIG. It is a rear view of the pachinko machine shown in FIG. It is the block diagram which illustrated the circuit composition of the main control board. FIG. 6 is a block diagram illustrating a part of FIG. 5 in detail. 7 is a time chart for explaining the operation content of the circuit of FIG. 6. It is a flowchart explaining the operation | movement content of the pachinko machine shown in FIG. It is a flowchart of an interrupt processing program. It is another flowchart explaining the operation | movement content of a pachinko machine. It is drawing explaining the effect of this invention. It is a flowchart explaining the operation | movement content of the conventional pachinko machine.

  Hereinafter, an embodiment of the present invention will be described based on a card-type ball game machine which is an embodiment of the present invention. FIG. 1 is a perspective view showing a pachinko machine 2 according to the present embodiment, and FIG. 2 is a side view of the pachinko machine 2.

  The pachinko machine 2 shown in FIG. 1 is a rectangular frame-shaped wooden outer frame 3 that is detachably mounted on the island structure and a hinge H that is fixed to the outer frame 3 before being pivotably mounted. It consists of a frame 4. A plurality of pachinko machines 2 are arranged in the length direction of the island structure of the pachinko hall while being electrically connected to the card-type ball lending machine 1.

  A game board 5 is detachably attached from the back side to the front frame 4 pivotally attached to the outer frame 3 via a hinge H, and a glass door 6 having a window portion and a front side corresponding to the front side of the game board 5. A face plate 7 is pivotally attached to each other so as to be freely opened and closed. The front plate 7 is provided with an upper plate 8 for storing game balls for launching, and a lower plate 9 for storing game balls overflowing or extracted from the upper plate 8 and launching means 10 at the lower part of the front frame 4. And a firing handle 11 are provided.

  The launching means 10 includes a launching handle 11 that can be rotated, and a launching motor that launches a game ball with a striking rod 12 (FIG. 4) with a striking force corresponding to the pivoting angle of the launching handle 11. . On the right side of the upper plate 8, there is provided an operation panel 13 for a ball lending operation for the card-type ball lending machine 1, and on this operation panel 13, a card remaining amount display portion 13a for displaying the remaining amount of the card with a three-digit number. And a ball lending switch 13b for instructing lending of game balls for a predetermined amount, and a return switch 13c for instructing to return the card at the end of the game.

  As shown in FIG. 3, the game board 5 is provided with a guide rail 15 formed of a metal outer rail and an inner rail in a substantially annular shape, and a color liquid crystal display is provided in a game area inside the guide rail 15. 16, first and second symbol start openings (design start means / winning means) 17A, 17B, open / close-type winning means (large winning opening) 18, a plurality of normal winning means 19, and two gates 20 are respectively in predetermined positions. It is arranged.

  The liquid crystal display 16 functions as a first symbol display means 22 that displays a changing symbol and also displays a background image, moving images of various characters, and the like. The first symbol display means 22 displays a background image and a character in an animated manner, and has three symbol display portions arranged in the left-right direction, and is provided in any one of the first and second symbol start ports 17A and 17B. On the condition that the game ball wins, the display symbols on the liquid crystal display 16 are variably displayed (scrolled) for a predetermined time, and based on the lottery result corresponding to the game ball winning timing to each symbol start port 17A, 17B. Stop at the determined stop symbol pattern.

  A second symbol display means 23 is provided immediately above the liquid crystal display 16. The second symbol display means 23 has a normal symbol display unit that displays one normal symbol. When a game ball that has passed through the gate 20 is detected, the display symbol of the normal symbol display unit fluctuates for a predetermined time, A stop symbol determined by a random number for lottery drawn at the time the game ball passes through the gate 20 is displayed and stopped.

  The first symbol starting port 17A is provided with an electric tulip provided with an opening and closing claw. When the stop symbol after the fluctuation of the second symbol display means 23 is hit and the symbol is displayed, the opening and closing claw is predetermined. It is open for the first time only. On the other hand, the second symbol start port 17B is configured to include an opening / closing plate that can be opened forward, and when the stop symbol after the change of the second symbol display means 23 displays a winning symbol, the first symbol The opening / closing plate is opened for a predetermined second time at a timing different from the symbol start opening 17A. It should be noted that the fact that the game ball has passed through each of the symbol start ports 17A and 17B is detected by each winning detection sensor.

  The open / close-type winning means (large winning opening) 18 is provided with an opening / closing plate that can be opened forward, and when the stop symbol after the change of the first symbol display means 22 is a winning symbol such as “777”, it is specially referred to as “big hit” The game is started and the opening / closing plate is opened to the front side. There is a specific area 18b inside the openable winning means 18, and when the winning ball passes through the specific area 18b, the special game is continued. Note that the special game state corresponds to a state advantageous to the player.

  After the opening / closing plate of the openable winning means 18 is opened, when a predetermined time elapses or when a predetermined number (for example, 10) of gaming balls wins and the opening / closing plate is closed, the gaming balls pass through the specific area 18b. If not, the special game ends, but if it passes through the specific area 18b, the special game is continued up to, for example, 16 times, and is controlled in a state advantageous to the player.

  As shown in FIG. 4, on the back side of the front frame 4, a back mechanism plate 30 that presses the game board 5 from the back side is detachably mounted. The back mechanism plate 30 has an opening 30a formed on the top side thereof. A prize ball tank 33 and a tank rail 34 extending from the prize ball tank 33 are provided. Dispensing means 35 connected to the tank rail 34 is provided on the side of the back mechanism plate 30. A passage unit 36 connected to 35 is provided. The game balls paid out from the payout means 35 are paid out to the upper plate 8 from the upper plate discharge port 8a (FIG. 1) via the passage unit 36.

  The opening 30a of the back mechanism plate 30 is fitted with a back cover 37 mounted on the back side of the game board 5 and a winning ball discharge basket (not shown) for discharging the winning game balls to the winning means 17-19. Are combined. A main control board 39 is disposed inside a case 38 attached to the back cover 37, and a symbol control board 40 is disposed on the front side thereof (FIG. 2). Below the main control board 39, a lamp control board 42 is provided in a case 41a attached to the back cover 37, and a sound control board 43 is provided in a case 41b adjacent to the case 41a.

  A power supply board 45 and a payout control board 46 are provided inside the case 44 mounted on the back mechanism plate 30 below the cases 41a and 41b. As shown in FIG. 3, a power switch 80 and an initialization switch 85 are arranged on the power board 45. Cases 44 are notched at portions corresponding to these switches 80 and 85, and each of the switches 80 and 85 can be operated simultaneously with a finger.

  A launch control board 48 is provided inside the case 47 attached to the rear side of the launch means 10. These control boards 39 to 40, 42 to 43, 45 to 46, and 48 are independent boards, and the control boards 39, 40, 42, 43, and 46 excluding the power supply board 45 and the launch control board 48 are connected to the CPU. A computer circuit including a ROM, a RAM, and the like is mounted, and the main control board 39 and the other control boards 40, 42, 43, 46 are electrically connected via a connector with a plurality of signal lines. .

  The main control board 39 and the other control boards 40, 42, 43, 46 are electrically connected via a connector with a plurality of signal lines, and each control board 40, 42, 43, 46 is connected from the main control board 39. In addition, various control commands for executing a predetermined game operation can be transmitted by one-way communication. By adopting the one-way communication of the control command, it is possible to reliably prevent fraud related to the symbol stop, to remarkably reduce the control load on the main control board 39, and to simplify the transmission control.

  FIG. 5 is a block diagram showing the configuration of the main control board 39. The main control board 39 of this embodiment includes a CPU circuit 50 having a built-in memory (ROM, RAM), a system clock generating unit 51 for generating an operation clock of the CPU, and a chip select signal for each unit based on an address signal from the CPU. , A random number generation circuit 53 that is updated regardless of the operation clock of the CPU, an output port circuit 54 for outputting data from the CPU, and an input port for the CPU to take in external data The circuit 55, an output drive circuit 56 for outputting a command or the like to each control board, and a switch input circuit 57 for inputting ON / OFF states of switches of each part of the game board. Since this pachinko machine includes a random number generation circuit 53 having a configuration different from that of the system clock generation unit 51, there is no possibility that the numerical sequence generated by the random number generation circuit 53 is synchronized with the operation of the CPU.

  FIG. 6 is a circuit block diagram illustrating the random number generation circuit 53 in more detail, and illustrates two circuit examples. In the embodiment of FIG. 6A, the random number generation circuit 53 includes an oscillator 60 using a crystal resonator, a counter 61 that is counted up based on a clock pulse φ (about 8 MHz) from the oscillator 60, and a CPU. The D-type flip-flop 62 latches the request signal REQ from the D-type flip-flop 62 in synchronization with the clock pulse φ, and the buffer 63 reads the output value of the counter 61 in response to the change in the output value of the D-type flip-flop 62. Yes.

  The counter 61 is a 12-bit counter, for example (numerical range: 0 to 4095), and starts a count-up operation at the rising edge of the clock pulse φ. Note that some processing time τ is required from the start of the count-up operation to the completion of the operation, and during that time (τ), the output of the counter 61 takes an indeterminate value.

  The D-type flip-flop 62 receives the clock pulse φ via the NOT circuit 64, and reads and outputs the request signal REQ at the falling edge of the clock pulse φ. Note that the request signal REQ from the CPU is normally at the L level, but becomes the H level when the random number value for lottery is required in the processing of the CPU.

  The D-type flip-flop 62 outputs the request signal REQ at every falling edge of the clock pulse φ. However, since the request signal REQ is normally at the L level, the output value of the D-type flip-flop 62 also remains at the L level. . On the other hand, when the request signal REQ changes to the H level, the output of the D flip-flop 62 changes from the L level to the H level at the falling edge of the clock pulse. Then, in accordance with this, the buffer 63 outputs the value of the counter 61 as the random number for random determination RND.

  The circuit of FIG. 6B is a circuit example using a NAND circuit 65 in place of the D-type flip-flop 62. Since the request signal REQ from the CPU normally remains at the L level, the output of the NAND circuit 65 is normally at the H level. Then, when the request signal REQ changes from L level to H level, the output of the NAND circuit 65 changes to L level at the falling edge of the clock pulse φ. In accordance with this, the buffer 63 outputs the value of the counter 61 as a lottery random number value RND.

  FIG. 7 is a timing chart for explaining the operation of the circuit of FIG. The counter 61 performs a count-up operation at the rising edge of the clock pulse φ from the oscillator 60, and the counter value is stabilized after the delay time τ. FIG. 7 illustrates a state in which the counter value increases as N−1 → N → N + 1 → N + 2.

  Regardless of such counter operation, the CPU outputs a request signal REQ at an arbitrary timing (t1). In the case of the circuit of FIG. 6A, this request signal REQ is read into the D-type flip-flop 62 at the falling edge of the clock pulse φ (t2), and as a result, the output value of the buffer 63 is It changes from the value (M) up to (N) which is the value of the counter 61 at that moment.

  The circuit in FIG. 6A has been described above. The same applies to the circuit in FIG. 6B, and the H level request signal REQ is output to the NAND circuit 65 at the falling edge of the clock pulse φ. Appearance (t2), and as a result, the output of the buffer 63 changes from (M) to (N).

  Next, the control program for the main control board 39 will be generally described with reference to FIGS. At the start of business, when the power switch 80 is switched on while pressing the initialization switch 85 with the front frame 4 of the pachinko machine 2 opened forward, the DC voltage is changed to the control boards 39-40, 42- Simultaneously with being supplied to 43 and 46, a system reset signal is supplied to each control board.

  As a result, the game control by the main control board 39 is started, and the control operation is also started in each of the control boards 40, 42, 43, and 46. When the game control is executed and the initialization switch 85 is in an ON state by a pressing operation (S1: yes), first, an initial setting process for initializing each memory and register of the CPU is executed (S2). Next, all the game information stored and retained by the backup power source in the RAM work area and information memory of the integrated circuit is erased (S3), and an initial symbol to be displayed on the first symbol display means 22 is set, Various initial value setting processes such as setting an interrupt cycle for periodically executing an interrupt process during the execution of the game control are executed (S4).

  On the other hand, when the initialization switch 85 is in the OFF state when the power is turned on (S1: no), a backup data restoration process is performed (S5). The backup data restoration process is a process for restoring the data backed up by the NMI process in the event of a power failure or the like, and this processing is performed when the power is turned on without pressing the initialization switch 85 after the power failure is restored.

  When the process of step S4 or S5 is completed, random number processing (S6, S7) for outliers repeated in an infinite loop is performed. Note that the random number processing for the off symbol defines a off symbol pattern drawn on the liquid crystal display 16 when the special symbol lottery (S21, S22) is interrupted in the interrupt processing described later.

  During such an infinite loop process, a timer interrupt occurs every fixed time (for example, 2 ms), and the process shown in FIG. 9A is executed. In the interrupt processing program, first, the value of the counter 61 at that moment is requested to the random number generation circuit 53 (REQ), and the value of the counter 61 is acquired as the random number value RND for lottery (S10).

  In this way, in this embodiment, since the lottery random value RND is determined at the beginning of one interrupt process, the special symbol process (to be described later) regardless of the number of the symbol start ports 17A and 17B and the contents of the lottery process. There is no restriction on the arrangement position of S15). Since the value of the counter 61 is acquired at the beginning of the interrupt process that occurs every 2 ms, the acquisition process itself has periodicity, but the update process of the counter 61 is much faster than the program process of the CPU. Since the reference clock Φ is generated independently of the system clock supplied to the CPU, no problem occurs.

  Subsequently, an update process of the winning counter CT is performed (S11), and a switch signal input process for reading switch signals from various switches including the winning detection sensor is performed (S12). By this switch signal input process, various game boards 5 including whether or not the game ball has passed through the gate 20, whether or not the game ball has passed through the first symbol start port 17A and the second symbol start port 17B, and the like. Information is grasped.

  Subsequently, a timer subtraction process is performed, and each numerical value TIME for the timer of the work area initialized in steps S14 and S15 is subtracted (S13). Next, the normal symbol process related to the normal symbol display part of the second symbol display means 23 is executed (S14). For example, if it is determined that the game ball has passed through the gate 20 by the current switch signal input process (S12), the normal symbol display unit 23 displays the value of the winning counter CT updated in step S11. It is determined whether or not a winning symbol is displayed.

  Then, when the winning state is achieved by this determination processing, the time for displaying the normal symbol in a variable manner, the subsequent stop symbol, the time for opening the electric tulip and the opening / closing plate at the first and second symbol start ports 17A and 17B, etc. are determined. Then, the numerical value TIME1 corresponding to the variable display time or the open time is stored in the work area of the RAM.

  Then, the process regarding a special symbol is performed (S15). As shown in FIG. 9B, in the special symbol process (S15), first, it is determined based on the result of the switch signal input process (S12) whether or not there has been a prize at the first start port 17A. If so, a lottery process is performed (S21). In the lottery process, the lottery random value RND determined in the process of step S10 is compared with the jackpot winning value Hit1 to determine whether or not, and a process corresponding to the result is performed. If it is a big hit state, after the change of the special symbol is stopped, the time data TIME2 indicating how long the opening / closing plate of the special winning opening 18 is opened is written in the work area.

  Subsequently, it is determined based on the result of the switch signal input process (S10) whether or not there has been a prize at the second start port 17B. If a prize has been won, a lottery process is performed (S23). In the lottery process, in the lottery process, the lottery random value RND determined in the process of step S10 is compared with the jackpot winning value Hit2, and a determination is made, and a process corresponding to the result is performed. If it is a big hit state, after the change of the special symbol is stopped, the time data TIME2 indicating how long the opening / closing plate of the special winning opening 18 is opened is written in the work area.

  As described above, in the embodiment of FIG. 9B, separate lottery operations are performed for the winning of the first and second start ports 17A and 17B. Specifically, the first and second lottery operations are performed. The jackpot winning values Hit1 and Hit2 for the symbol start ports 17A and 17B are made different. Therefore, even when there are duplicate winnings at the two symbol start ports 17A and 17B in one interrupt process, both 17A and 17B are disengaged, only the first symbol start port 17A hits, only the second symbol start port 17B There can be only three states per win, and a pachinko machine with a gentle wave can be realized as long as there is no double winning.

  On the other hand, as shown in FIG. 9C, the lottery process may be performed only once to leave the possibility of a double big hit. In this embodiment, first, the winning of the first and second start ports 17A, 17B is checked (S30), and if it is a duplicate winning, the flag FL is set (S31, S32). Then, the lottery random value RND determined in the process of step S10 is compared with the single jackpot winning value Hit to determine whether or not the lottery is performed, and a lottery process corresponding to the result is performed (S33).

  Therefore, there is a possibility of double winning (big hit) at the time of duplicate winning (FL = 1), and a new excitement can be given to the player. In the case of double winning, it is necessary to continue the big hit game, so when the first big hit game ends, the flag FL is decremented and the big hit game is repeated until the flag FL = 0.

  If there is a control command to be output to the symbol control board 40, the payout control board 46, the sound control board 43, and the lamp control board 42 after the unique special symbol processing (S15) as described above, that command should be output. An output process for outputting the control command to the destination control board is executed (S16).

  Finally, a drive signal output process for outputting a drive signal to the solenoid that opens and closes the open / close claws and the open / close plate of the symbol start ports 17A and 17B and the special winning opening 18 is executed (S17), and the interrupt process is completed. In the drive signal output process (S17), the contents of the work areas that are initially set in the processes in steps S14 and S15 and subtracted in the processes in step S12 are referred to. When the numerical value of each work area becomes smaller than a specific value, the solenoid is turned on. Turns ON to open the opening / closing claw of the first starting port 17A, the opening / closing plate of the second starting port 17B, and the opening / closing plate of the prize winning port 18. When the numerical value of each work area reaches 0, the solenoid is driven OFF to open / close The nails and the opening / closing plate are closed. Note that the numerical values of the respective work areas are both 0 before the timer initial values TIME1 and TIME2 are set in steps S13 and S14.

  Next, the operation content in another embodiment will be described with reference to the flowchart shown in FIG. This game control program is executed due to a reset signal generated every certain time (for example, 2 ms), but the main process including a process for determining whether or not a big hit state is generated, and then the next reset signal is generated. It is roughly divided into residual processing that is performed in an infinite loop.

  When the reset signal is received, the CPU is initially set (ST1), and it is determined whether or not the start data is a normal value (ST2). The start data is data for recognizing whether or not the present time is power-on, and the specific data True is stored in the memory as start data when the main processing unit ends (ST12), and the value is stored. The determination is made in the process of step ST2.

  When the power is turned on, since the start data is confirmed as an abnormal value (≠ True), this is confirmed, so that initialization of the work area and initial setting processing are performed as initialization processing of the gaming machine (ST3). , ST4). On the other hand, if the start data is the normal value True, the value of the counter 61 is first acquired (ST5). Hereinafter, the process from the update process (ST6) of the winning counter CT to the drive signal output process (ST12) is executed, and the contents thereof are the same as the contents of S11 to S17 shown in FIG. In addition, before and after these steps ST5 to ST12, normal electric accessory processing, special electric accessory processing, and other error detection processing are also performed. However, the explanation is omitted because it is not directly related to the gist of the present invention. .

  After completing such normal processing, the specific data (true) is stored in the memory as start data (ST13), and the main processing program is completed. Subsequently, a random number process for an out symbol is performed in an infinite loop until the next reset signal is generated (ST14). The random symbol processing for the out symbol defines the out symbol pattern drawn on the liquid crystal display 16 when the special symbol lottery (ST10) is out in the next main processing program.

  As mentioned above, although the Example of this invention was described, it has only illustrated the specific example and does not specifically limit this invention. For example, in the case of the above embodiment, the big hit counter is realized by hardware, and the hit counter CT is realized by software, but both may be realized by hardware. Further, it is not necessary that the number of symbol starting ports is two.

In the description of the embodiment, the counter value is always acquired for each interrupt process or reset process (S10, ST5), but the operation is not necessarily limited to such an operation. For example, when the switch input process (S12, ST7) is positioned before the counter value acquisition process (S10, ST5), the game value is not counted in the starting ports 17A, 17B. The acquisition process (S10, ST5) may be skipped. In this case, the winning flag values F _A and F _B are set according to the presence / absence of winning at each of the start ports 17A and 17B by the switch input processing that is performed first, and the determination processing of steps S20, S22, and S30 What is necessary is to perform based on the winning flag values F _A and F _B.

2 Ball game machines (pachinko machines)
17A, 17B Predetermined area (design start port)
16, 61 Random number generation counters S21, S22, S33 Lottery processing

Claims (6)

When a game ball wins at one of the first and second symbol start openings, the display symbol on the symbol display unit is displayed in a variable manner for a predetermined time. A ball game machine in which a special game is started,
It is configured such that a gaming operation proceeds in a periodic execution unit that is repeatedly executed every predetermined time, the periodic execution unit,
An acquisition process for acquiring a counter value of a single counter once every predetermined time or once as necessary,
A switch input process for determining a winning of a game ball at the two symbol start ports at every predetermined time;
If it is determined by the switch input process that the game ball has won the first symbol start opening, whether the counter value acquired in the acquisition process and the first winning value are compared or not is a big hit state A first lottery process for determining
If it is determined by the switch input process that the game ball has won the second symbol start opening, whether the counter value acquired in the acquisition process and the second winning value are compared or not is a big hit state? A second lottery process for determining
A bullet ball game machine characterized in that the first winning value is different from the second winning value.   A control program that realizes a gaming operation includes a main processing unit that is continuously executed in an infinite loop and the periodic execution unit that is repeatedly executed at predetermined time intervals during execution of the main processing. The ball game machine according to claim 1, wherein   The ball game machine according to claim 1, wherein the periodic execution unit is repeatedly executed by a CPU reset signal generated every predetermined time. The random number acquisition process is configured to acquire a single counter value from the random number generation circuit,
The random number generation circuit includes:
An oscillator for oscillating a clock pulse having a first edge and a second edge;
A counter that starts a counting operation in response to a first edge of the clock pulse;
A synchronous output unit that receives a request signal from outside the circuit during random number acquisition processing and outputs an output value in response to the second edge of the clock pulse ;
It reads the output value of said counter in response to the change of the output value, a buffer for outputting as the random number,
The bullet ball game machine according to claim 1, comprising:   5. The ball game machine according to claim 4, wherein the synchronous output unit is configured by a D-type flip-flop that receives the request signal at a D input terminal. The ball game machine according to claim 4, wherein the synchronization output unit is configured by a logic circuit that receives the request signal and the clock pulse and executes an AND operation.

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