JP2011092758A - Game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a game machine having a variable display device which enables fine display control while enabling the display control with a control burden, being supressed. <P>SOLUTION: A command for display control consists of an identifier for showing the classification of the command, and information for showing contents to be performed. Also at least an error-command is included as the command for display control, and a game controller 200 gives the error command out of the commands for display control to a display controller 100 when abnormality relating to the game machine is detected. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to control of a variable display device provided in a gaming machine in which a predetermined condition is satisfied and a display pattern of a variable display device becomes a predetermined one, and a gaming state is advantageous for a player.

The control of the variable display device of the gaming machine is described in Patent Document 1, for example. According to this publication, the game control means outputs a control command in response to a control operation and gives a control command to the variable display device, and the variable display device that receives this control command performs display control according to the received control command. What to do is disclosed.
Further, according to Patent Document 1, in particular, when changing the speed of change of the display state during variable display, a technical disclosure is performed in which display control is performed while changing display command information to display command information for designating that. ing.

Japanese Patent Laid-Open No. 10-179865

  However, according to the display control of these conventional variable display devices, for example, the command data composed of nine pieces of block data is always set to nine pieces, and information that is set as one set is given to the variable display device to perform display control. Therefore, one set of command data includes data that is not necessary for direct display control, such as header data and checksum data, data that is not necessary for the current display control, and data that includes a plurality of display control commands. When display control is performed in this state, there is a problem that the control burden is large, and command data cannot be supplied in detail, and detailed display control cannot be performed.

  Furthermore, if one set of command data is started to be supplied at a predetermined timing, the same command data is continuously supplied until the next different command data is supplied, which increases the control burden. There is.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a gaming machine that enables display control that enables fine display control and suppresses a control burden. It is in.
Another object of the present invention is to provide a gaming machine in which the data structure of a display control command is clear and display control programming is easy.

  In order to achieve the above object, the gaming machine according to the first aspect of the present invention is in a stopped state with a predetermined display pattern after a predetermined condition is satisfied and the symbol displayed on the variable display means is in a variable state. A display control means for controlling the display of the variable display means according to a given display control command, and a display control means for the display control. A storage unit for storing command data; controls a gaming state of the gaming machine; and the display control command stored in the storage unit according to a control operation is sent to the display control unit one command at a time. A display control command including an identifier indicating a classification of the command and information indicating a content to be executed, and the display control command -The command includes at least a command, and the game control means provides the display control means with the error command from the display control commands stored in the storage unit when an abnormality relating to the gaming machine is detected. Features.

  In addition, the gaming machine according to the second aspect of the present invention provides a player who, when a predetermined condition is satisfied and the symbol displayed on the variable display means is in a variable state and then stopped in a predetermined display pattern. A gaming machine that is shifted to a gaming state advantageous to the display, and stores display control means for performing display control of the variable display means in accordance with a given display control command, and data of the display control command A game control unit that has a storage unit, controls the gaming state of the gaming machine, and gives the display control command stored in the storage unit to the display control unit one command at a time according to a control operation; The display control command includes an identifier indicating a command classification and information indicating the contents to be executed, and is defined so as not to include checksum data. The display control command includes at least an error command, and the game control means detects the error command from the display control commands stored in the storage unit when an abnormality relating to the gaming machine is detected. Is given to the display control means.

  Furthermore, the gaming machine according to a third invention is characterized in that, when the error command is given, the display control means displays a notification screen indicating that an abnormality relating to the gaming machine is detected on the variable display means. To do.

According to the gaming machine according to the present invention, since the game control means gives the display control command to the display control means one command at a time according to the control operation, fine display control is possible and the control burden is suppressed. Display control becomes possible.
Further, according to the gaming machine according to the present invention, the display control command is composed of an identifier indicating the classification of the command and information indicating the contents to be executed, so that the data structure of the display control command is clear. Thus, display control programming can be facilitated.

  Further, according to the gaming machine according to the present invention, even when a command is transmitted to the inspection device in order to inspect the content of the transmitted command, the command has one identifier (mode) and one information (event). Therefore, it is possible to grasp what command is currently transmitted, thereby improving the efficiency of the examination and the like. Since the command system is simplified and clear as described above, it is easy to determine whether or not an illegal command has been added, and there is a special effect from the viewpoint of preventing fraud. In addition, since the display control command includes an error command, it is possible to efficiently notify that an abnormality relating to the gaming machine has been detected.

It is typical explanatory drawing of the game board 10 of a gaming machine. It is a control block diagram of game control of a gaming machine. 2 is a block configuration diagram of a special symbol display device 100. FIG. It is explanatory drawing of a character ROM memory map and palette data. It is a timing chart figure which shows the timing of command data transmission / reception. It is explanatory drawing of a command data table. It is explanatory drawing of a command data table. It is explanatory drawing of a command data table. It is explanatory drawing of mode information. It is a flowchart for demonstrating game control operation | movement of a gaming machine. It is a flowchart for demonstrating control operation of CPU1020 of the special symbol display apparatus 100. FIG. It is explanatory drawing of the data structure of a command. It is explanatory drawing of an example of variable display control. It is a control timing chart figure of an example of variable display control.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic explanatory view of the game board 10. In the substantially central portion of the game board 10, a special symbol display device 100 is provided in which each of the three display units can independently display a symbol and a number, and a character and a message can be displayed. A special symbol starting port 104 is disposed directly below the special symbol starting port 104. Normal symbol operation gates 102 and 102 are disposed on both sides of the special symbol start port 104.

  In addition, a special prize opening 106, a normal symbol display device 108, and an outlet 114 are arranged in this order below the special symbol start opening 104, and a lamp display is provided obliquely above the special symbol start opening 104. The devices 110 and 110 are provided, and lamp display devices 112 and 112 are also provided in the vicinity of both end portions of the game board 10.

  Then, when a hitting ball is won at the special symbol starting port 104 and a random number lottery is performed, and the random number selected is a big hit value, each display unit enters a variable display state, and then a predetermined display pattern (for example, “ 7, 7 ”) is displayed by the special symbol display device 100, and the big winning opening 106 is controlled to be opened and closed in a predetermined pattern so that an advantageous big hit gaming state is achieved by the player.

  Further, when the normal symbol operation gate 102 detects the passing of the hit ball, a random number lottery is performed, and when the random number selected is a small hit value, the normal symbol display device 108 displays a predetermined one (for example, “7”). In the meantime, even when the opening / closing member 120 is in an open state and a hitting ball wins, a random number lottery is performed in the same manner. When the lottery random number is a big hit value, each display After the section is in the variable display state, a predetermined display pattern (for example, “7, 7, 7”) is displayed by the special symbol display device 100, and the prize winning opening 106 is controlled to be opened and closed by the predetermined pattern. It becomes an advantageous jackpot gaming state. On the other hand, hitting balls that are not won are discharged through the out port 114.

  FIG. 2 is a control block diagram showing only the main part of the gaming machine in which such a gaming state is controlled. The main control unit 200 is constituted by a microcomputer system incorporating a CPU, and stores a command data table 202 for storing various commands, which will be described later, and a control program and control data describing a series of gaming machine control procedures. A ROM 201 and a RAM 203 having a work area are provided, and are constituted by an integrated one-chip microcomputer.

  The main control unit 200 includes a special symbol start switch 304 that is disposed inside the special symbol start port 104 and detects a winning of the game ball to the special symbol start port 104 via the input port 210, and the inside of the normal symbol operation gate 102. Are connected to a normal symbol operation switch 306 for detecting the game ball passing through the gate, and a big prize opening switch 308 for detecting the winning of the game ball arranged in the big prize opening 106, The main control unit 200 can receive each detection signal.

  In addition, the main control unit 200 has three display units for displaying special symbols and characters via the output port 215, each of which can be independently variably displayed, and can be realized by an LCD or the like. 100, lamp display devices 110 and 112 for controlling the lighting of the lamps, sound effect generating device 116 for generating sound effects, for example, a normal symbol display device 108 realized by a 7-segment display device, and an opening / closing member 120 for the start opening. Are connected to a start opening actuating solenoid 300 and a large winning opening actuating solenoid 302 for controlling opening and closing of a wide opening and closing member of the big winning opening 106, and the main control unit 200 transmits a control signal for controlling each device. Transmission is possible.

  The main control unit 200 is connected to a power supply circuit 212 for supplying power and a reset circuit 213 that outputs a reset signal every predetermined time. Further, the main control unit 200 is connected to the reset circuit 213. A pulse signal generated by the periodic timer counter is input, and a monitor signal for monitoring the current supply status from the power supply circuit 212 is input.

  The special symbol display device 100, the lamp display devices 110 and 112, and the sound effect generator 116 include a CPU that performs a control operation, a ROM that describes a control procedure performed by the CPU, a RAM that functions as a work area, and the like. The electronic device is provided, receives a control command supplied from the main control unit 200, and performs operation control of each device based on the received control command.

  Now, as shown in FIG. 12, the display control command sent from the main control unit 200 to the special symbol display device 100 is an identifier for identifying the command classification, and a 1-byte length mode (MODE) is executed. 6 to 8 show data stored in the command data table 202 stored in the ROM 203. FIG. 6 to FIG. 8 show the data stored in the command data table 202 stored in the ROM 203. FIG. ing.

  As shown in FIGS. 6 to 8, the modes are “$ 90, $ A0, $ B0, $ C0, $ C1, $ C2, $ C3, $ C4, $ D0, $ D1, $ D2, $ D3, $ E0. , $ F0 ”, each of which includes a background designation command identification number, a character designation command identification number, display area designation command identification information, a waiting waiting animation designation command identification number, as shown in FIG. Big hit middle animation designation command identification number, Big hit after animation designation command identification number, Fluctuating animation designation command identification number, Fluctuating animation designation command identification number, Command target symbol designation command identification number, Symbol variation state designation identification number, Variation speed designation Command identification number, special symbol / release number designation command identification number, variable time designation command identification number Is an error command identification number.

  Here, the background designation command specifies a background number or background animation number and changes the background, the character designation command designates the character animation number, the command to change the character animation, and the display area designation command The command to change the display area by specifying the display area number of the special symbol, the animation specification command, the command to change the animation by specifying the animation number to change the background, character and display area at the same time, the command target designating command Is a symbol designating state, command for designating a changing speed, a command for designating a symbol to be subjected to a special symbol designating command, and a symbol varying state designating command is a state of a special symbol previously specified by a command designating symbol designating command. How to change The command to specify and the variable speed specification command are the commands to specify the special symbol variable speed previously specified with the command target symbol specification command, and the special symbol / release count specification command is the big prize with the previous command target symbol specification command. If the number of times the mouth is open is specified, the number of times that the special winning opening is opened is specified. If the special symbol is specified, the command for specifying the symbol number of the special symbol is specified. A command for specifying a time until the fluctuation stops and an error command are commands transmitted when an abnormality is detected and when the abnormality detection is canceled.

  As described above, the command modes transmitted to the special symbol display device 100 have 14 modes for each display function, and the events classified from the mode classification are also 1-byte data “$ 00,. 69 types are defined such as “$ 22”. Each event, which is information indicating the contents of a command to be executed, is defined so as to have only a single display control command function. Specifically, for example, when switching the fluctuation speed of the special symbol from low speed 1 to medium speed 1, this is controlled by sending one command (two display controls of low speed 1 and medium speed 1 with one command). Rather than having a command function), a low speed 1 (mode $ D2, event $ 00) command is transmitted first, and then a medium speed 1 (mode $ D2, event $ 10) command is transmitted for control. (See FIG. 7). Also, data that is not necessary for direct display control, such as header data and checksum data, and data that is not necessary for current display control are not mixed. Thus, by defining each event to have only a single display control command function, each event can be simplified, and the data structure can be clarified. Furthermore, the main control unit 200 can finely manage display control in units of a single display control command.

FIG. 3 is a block diagram of the special symbol display device 100.
The special symbol display device 100 supplies a power to the data receiving circuit 1140 (including a voltage converting circuit for converting the data level) for receiving a strobe signal and a command from the main control unit 200, and the voltage converting circuit and the like. A power supply circuit 1160, a CPU 1020 that generates control data necessary for display control based on the received command and outputs the control data to the image processing LSI (VDP) 1060, and a program that describes the operation procedure of the CPU 1020 are incorporated. Program ROM 1040, RAM 1090 functioning as a work area or buffer memory, image processing LSI (VDP) 1060 for performing image development processing, and video RAM 1080 for temporarily storing image data developed by image processing LSI (VDP) 1060 , Image processing LSI (VDP) 106 A character ROM 1180 storing data necessary for image development, an LCD panel interface circuit 1100 for receiving and sending image data temporarily stored in the video RAM 1080, and an image sent from the LCD panel interface circuit 1100 And an LCD panel 1120 for outputting a display image using data.

  As shown in FIG. 4A, the character ROM 1180 includes a ROM title area, a ROM management information area, a character image data area storing actual character data, a palette data area storing character color data, and a character data area. It has a scenario data area in which information defining movement is stored, and character data is stored in the character image data area after being compressed by a specific compression method. Furthermore, as shown in FIG. 4B, the pallet data area stores a plurality of types in which color numbers and color codes are paired.

  Then, when the CPU 1020 of the special symbol display device 100 gives the control data generated according to the command data received by the data receiving circuit 1140 to the image processing LSI (VDP) 1060, the image processing LSI (VDP) 1060 The character data acquired from the character image data area is decompressed and colored with the color data acquired from the palette data area, and the image data is temporarily stored at the position on the video RAM 1080 specified by the information acquired from the scenario data area. Then, by sending the temporarily stored data to the LCD panel interface circuit 1100, the LCD panel 1120 performs various image display processes including variable display.

  FIG. 5 is a timing chart showing command transmission / reception timing. As described above, a command is composed of a mode that is an identifier for identifying a command classification with a 1-byte length, and an event that is information indicating the content (function) of a command that is also executed with a 1-byte length. Yes. The main control unit 200 transmits mode (MODE) information triggered by the first rising edge of the strobe signal (DUSTB) generated by itself when the command changes, and then the second rising edge of the strobe signal (DUSTB). As an opportunity, event (EVENT) information is transmitted.

  Correspondingly, when the strobe signal is transmitted, the CPU 1020 of the special symbol display device 100 generates an interrupt, receives the command by this interrupt processing, and stores it in the RAM 1090. And in this invention, since the main control part 200 transmits a command to the special symbol display apparatus 100 one by one, it is possible to perform finer display control and to suppress the control burden by supplying only necessary commands. can do.

  In addition, since the transmitted / received command is always composed of information of one mode and one event, data that is not necessary for direct display control as in the past, data that is not necessary for current display control, multiple displays Data including control commands is not mixed. For this reason, in the verification test for testing the performance of the pachinko machine at the verification engine, the command is transmitted to the inspection device in order to inspect the content of the command transmitted from the main control unit 200 to the CPU 1020 of the special symbol display device 100. Even in this case, the command has only a single display control command function and is always composed of information of one mode and one event, so it is possible to grasp what command is currently transmitted. Therefore, the efficiency of the certification test will be improved. Because of such a simple and clarified command structure, it is easy to determine whether or not an illegal command has been added, and there is an extraordinary effect from the standpoint of preventing fraud.

  Furthermore, the main control unit 200 gives one different type of command to the special symbol display device 100 only when the control state is to output a different type of command from the command output last time. The command is supplied only at the time, and it is not necessary to continuously output the same command data until the next different command data is supplied as in the prior art, and this can also suppress the control burden.

  In addition, since the main control unit 200 outputs a command only when display control is necessary, the CPU of the main control unit 200 illegally operates in the middle of the harness connecting the main control unit 200 and the special symbol display device 100. The period of the big hit random number being updated cannot be grasped, and there is a special effect from the viewpoint of preventing fraud using an external fraud circuit (hanging board).

  Next, control operations performed by the main control unit 200 and the CPU 1020 of the special symbol display device 100 will be described with reference to FIG. 10 (general flowchart of game control) and FIG. The series of processing shown in FIG. 10 is executed by the main control unit 200, but is executed from the top step using a reset signal supplied from the reset circuit 213 every predetermined time (for example, 4 msec) as a trigger.

  First, when the power supply circuit 21 is activated by a power switch (not shown), the main control unit 200 is activated, and it is determined whether or not the first processing has been executed since the power was turned on (step S110). . In the case of the first processing after power-on (Yes), the process proceeds to step S200, and in other cases (No), the process proceeds to step S120.

  In step S200, a clear process is executed as an initialization process of the RAM 203. Next, in step S210, data for performing an initial control process is set in a predetermined area of the RAM 203. On the other hand, in step S120, count values of various random number generation loop counters for determining big hits and small hits formed in the RAM 203 are incremented. In step S130, timers of various timers used for game machine control are incremented. Update the value.

  Next, in step S140, input port processing for reading and storing the detection signals output from the special symbol start switch 304, the normal symbol operation switch 306, and the special prize opening switch 308 into a register in the terminal (not shown) via the input port 203 is performed. Then, the process proceeds to step S150, and a switch check process for grasping the data read and stored in the port input process is executed.

  Next, in step S160, the switch 304, 306, 308, etc. is checked for disconnection or short circuit. If these faults have occurred (Yes), the process proceeds to step S220, and other than this. In this case (No), the process proceeds to step S180 (step S170).

  In step S180, data necessary for display control of the normal symbol display device 107 is stored in a predetermined area of the RAM 203, and commands required for display control of the special symbol display device 100 are stored in a predetermined area of the RAM 203. The timer values of the various timers are reduced (step S190). At this time, in step S180, the main control unit 200 determines command data of a necessary mode and event according to game control with reference to the command data table area 202, and stores the determined mode and event in a predetermined area of the RAM 203. To do. At this time, one command including a mode and an event is stored in a predetermined area of the RAM 203.

  Next, in step S195, in order to control the opening / closing member 120 of the special winning opening 106 and the special symbol starting opening 104 in a predetermined pattern, the start opening operating solenoid 300 and the special winning opening operating solenoid 302 are driven and controlled. In S220, a prize ball setting process for outputting prize ball designation information to a prize ball discharge device (not shown) is executed. In steps S230, 240, and 250, various game data are outputted to a gaming machine management device (not shown). External information processing, indicator light control processing for controlling lighting of the lamp display devices 110 and 112 corresponding to the gaming state, and sound effect processing for controlling the driving of the sound effect generating device 116 corresponding to the gaming state are executed. In the indicator light control process, data necessary for the lighting control to be sent to the lamp display devices 110 and 112 is stored in a predetermined area of the RAM 203, and in the sound effect process, it is necessary for the sound effect output control to be sent to the sound effect generator 116. Data is stored in a predetermined area of the RAM 203.

  Next, in step S260, the data stored in the RAM 203 in each process is output to the corresponding device via the output port 215 (port output processing), and the device that receives this performs a control operation based on this. The main controller 200 transmits the data stored in the RAM 203 in steps S240 and S250 to the lamp display devices 110 and 112 and the sound effect generator 116, respectively.

  First, a strobe signal is output to the special symbol display device 100, and the mode and event data stored in the RAM 203 in step S180 are transmitted as shown in FIG. At this time, the CPU of the main control unit 200 transmits a mode and an event different from the previous time to the special symbol display device 100 only when the last transmitted mode, the event and the current mode, or the event are different. Output once. In step S270, a reset waiting process is executed until a reset signal is input from the reset circuit 213. If a reset signal is input, the process proceeds to step S110 to continue the gaming machine control. The reset waiting process includes updating the various random number generation counters described above.

  Next, the operation of the CPU 1020 of the special symbol display device 100 that has received a command including a mode and an event will be described with reference to FIG. First, in step S1100, the CPU 1020 sets its own stack pointer, initializes the RAM 1090, initializes itself such as register clear, etc., and determines in step S1102 whether a new command has been input.

  If it is determined that a new command has been input (Yes), the process proceeds to step S1104. Otherwise, (No) the process proceeds to step S1108. In step S1104, in the interrupt processing described with reference to FIG. 5, the command received by the data reception circuit 1140 is copied to the RAM 1090, the command is checked for normality, and the start address of the processing table corresponding to this command is obtained. In step S1106, data in a necessary area of the RAM 1090 is updated for output to the image processing LSI 1060.

  Next, in step S1108, the data required for the symbol speed control is acquired from the speed table built in the program ROM 1040 and set in the RAM 1090. Next, in step S1110, the symbol offset value is updated based on the velocity data. To do.

  Next, in step S1112, based on the symbol control data set in the RAM 1090, scroll data to be output to the image processing LSI 1060 is obtained and set in the RAM 1090. Next, in step S1114, the scroll data is set in the RAM 1090. Animation data is obtained from the animation processing table storing the animation processing data being stored, set in the VDP output buffer in the RAM 1090, and it is determined whether or not the output permission flag is “1” (step S1116). .

  If the output permission flag is not “1” (No), the process returns to step S1102 to repeat the series of processes, and if the output permission flag is “1” (Yes), in step S1118, for VDP output. The data set in the buffer is output to the image processing LSI 1060. In response to this, the image processing LSI 1060 acquires the data in the character ROM 1180 and develops the image, and the image-developed data is temporarily stored in the video RAM 1080 and then sent to the LCD panel interface circuit 1100 to be displayed on the LCD panel 1120. Display is performed.

  Next, an example of the display control operation according to the present invention will be described with reference to FIGS. FIG. 14 shows a timing chart of display control, and shows a control chart of the special symbol left, the special symbol, and the special symbol right from the top. It is shown that the time elapses as it goes to the right side of the drawing. The numbers 1 to 21 at the lower end indicate the timing at which one command is executed, and the black circle indicates the point at which symbol control is performed. ing.

As shown in FIG. 13, this display control is performed with fluctuations of probability “low”, left / right symbol “mismatch”, no notice function, no slip pattern, no time shortening function, left middle right symbol mismatch, and no re-variation pattern. The commands No. 1 to No. 21 shown in FIG. 13 are executed at the timing shown in FIG.
At this time, the CPU 1020 sequentially executes commands sent from the main control unit 200 one by one, and the command transmission from the main control unit 200 is a control to output a command of a different type from the previous output command. This is only done when a condition is reached.

  Therefore, in the past, the same command was continuously output from the main control unit 200 for a predetermined period (for example, the command of number 4 was continuously output in the section T2), but according to the embodiment of the present invention, it was output last time. Since only one command of this different type is given to the special symbol display device 100 only when a control state in which a command of a different type from that of the command is to be output, it is possible to suppress the control burden.

  In addition, since the command is composed of a mode and an event and is stored in the command data table 202, the data structure of the command is clear and display control programming can be facilitated. As described above, according to the embodiment of the present invention, the main control unit 200 gives a display control command to the special symbol display device 100 one command at a time, so that finer display control can be performed, By supplying only necessary commands, the control burden can be reduced.

  In the above description, a pachinko machine has been described as an example of a gaming machine, but it goes without saying that the present invention can be applied to other gaming machines having a variable display device as well as a pachislot machine. .

DESCRIPTION OF SYMBOLS 10 Game board 100 Special symbol display device 102 Normal symbol operation gate 104 Special symbol start opening 106 Large winning opening 108 Normal symbol display device 110 Lamp display device 112 Lamp display device 114 Out port 116 Sound effect generator 120 Opening and closing member 200 Main control part 201 RAM
202 Command data table 203 ROM
210 Input port 213 Reset circuit 212 Power supply circuit 215 Output port 300 Start opening solenoid 302 Large winning opening operation solenoid 304 Special symbol starting switch 306 Normal symbol operating switch 308 Large winning opening switch 1020 CPU
1040 Program ROM
1060 LSI for image processing (VDP)
1080 video RAM
1090 RAM
1100 LCD panel interface circuit 1140 Data receiving circuit 1160 Power supply circuit 1180 Character ROM
1120 LCD panel

Claims (3)

A gaming machine that shifts to a game state advantageous to a player when a predetermined condition is satisfied and the symbol displayed on the variable display means is in a variable state and then stopped in a predetermined display pattern. There,
Display control means for performing display control of the variable display means in accordance with a given display control command;
A storage unit for storing display control command data; and controlling the gaming state of the gaming machine, and the display control commands stored in the storage unit according to a control operation, one command at a time Game control means for giving to the display control means,
The display control command is composed of an identifier indicating the classification of the command and information indicating the content to be executed.
As the display control command, at least an error command is included,
The gaming machine is characterized in that, when an abnormality relating to a gaming machine is detected, the error command is provided to the display controller from the display control commands stored in the storage unit. A gaming machine that shifts to a game state advantageous to a player when a predetermined condition is satisfied and the symbol displayed on the variable display means is in a variable state and then stopped in a predetermined display pattern. There,
Display control means for performing display control of the variable display means in accordance with a given display control command;
A storage unit for storing display control command data; and controlling the gaming state of the gaming machine, and the display control commands stored in the storage unit according to a control operation, one command at a time Game control means for giving to the display control means,
The display control command includes an identifier indicating a classification of the command and information indicating the content to be executed, and is defined not to include checksum data.
As the display control command, at least an error command is included,
The gaming machine is characterized in that, when an abnormality relating to a gaming machine is detected, the error command is provided to the display controller from the display control commands stored in the storage unit.   3. The gaming machine according to claim 1, wherein when the error command is given, the display control means displays a notification screen indicating that an abnormality relating to the gaming machine is detected on the variable display means.

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