mainevt The Main Event (4 Players ver. Y)

Immagine gioco: The Main Event (4 Players ver. Y)
Available images:

Romset name:
Production year: 1988
Manufacturer: Konami

Game genre: Sports
Category: Sports / Wrestling

This machine has the following clones:
 • Ring no Ohja (Japan 2 Players ver. N)
 • The Main Event (2 Players ver. X)
 • The Main Event (4 Players ver. F)

This machine works in MAME This machine works in MAME

Overall emulation: Good
Color emulation: Good
Sound emulation: Good
Graphics emulation: Good
Save states: Supported

In MAME since version: .033b07

The MAME driver of this machine is: mainevt.cpp - Read the code

 Tech info 
 Hardware of this machine:
  • CHIPs [Show details]

    HD6309 ("maincpu")cpu 12000000 Hz
    Z80 ("audiocpu")cpu 3579545 Hz
    Speaker ("mono")audio
    K007232 PCM Controller ("k007232")audio 3579545 Hz
    uPD7759 ("upd")audio 640000 Hz

  • Screens [Show details]

    This machine uses a single screen:
      Graphic type: Raster
      Screen orientation: Horizontal
      Resolution 288 x 224 @ 60.000000 Hz

  • Number of players: 4P Simultaneous
  • Controllers [Show details]

      Joystick [8 ways]
      Joystick [8 ways]
      Joystick [8 ways]
      Joystick [8 ways]
    Number of buttons: 2

  • Dip-switches [Show details]

    Default settings in bold
    Coinage4 Coins/1 Credit
     3 Coins/1 Credit
     2 Coins/1 Credit
     3 Coins/2 Credits
     4 Coins/3 Credits
     1 Coin/1 Credit
     4 Coins/5 Credits
     3 Coins/4 Credits
     2 Coins/3 Credits
     1 Coin/2 Credits
     2 Coins/5 Credits
     1 Coin/3 Credits
     1 Coin/4 Credits
     1 Coin/5 Credits
     1 Coin/6 Credits
     1 Coin/7 Credits
    Bonus Energy60
     Very Hard
    Demo SoundsOff
    Flip ScreenOff
    Service ModeOff

  • ROMs (11 of the machine set) [Show details]

    Referred to MAME version: 0.181

    NameSizeCRC32SHA1StatusIn romset
    799y02.k1165536e2e7dbd5 80314cd42a9f47f7bb82a2160fb5ef2ddc6dff30 good mainevt
    799c01.f732768447c4c5c 86e42132793c59cc6feece143516f7ecd4ed14e8 good mainevt
    799c06.f2232768f839cb58 b36202ca2b68b6249c3f972ad09501e28a0162f7 good mainevt
    799c07.h2232768176df538 379e1de81afb85b1559de170cd2ab9f4af2b137e good mainevt
    799c08.j2232768d01e0078 7ac242eb24271ac2783ec4d9e97ae051f1f3363a good mainevt
    799c09.k22327689baec75e a8f6102c8fd46f18678f336bc44be31458ca9256 good mainevt
    799b04.h4524288323e0c2b c108d656b6ceff13c910739e4ca760acbb640de3 good mainevt
    799b05.k4524288571c5831 2a18f0bcf6946ada6e0bde7edbd11afd4db1c170 good mainevt
    63s141n.k1425661f6c8d1 c70f1f8e434aaaffb89e30e2230a08374ef324ad good mainevt
    799b03.d4524288f1cfd342 079afc5c631de7f5b652d0ce6fd44b3aacd14a1b good mainevt
    799b06.c225242882c8c47d7 18a899767177ddfd870df9ed156d8bbc04b58a19 good mainevt

    :  PARENT Machine
    :  CLONE Machine
    :  BIOS
    :  Device


The Main Event (c) 1988 Konami.

A wrestling game in which you select 2 wrestlers from a choice of 8 and compete in tag-team battles.


Game ID : GX799

Main CPU : HD6309 (@ 3 Mhz)

Sound CPU : Z80 (@ 3.579545 Mhz)

Sound Chips : K007232 (@ 3.579545 Mhz), UPD7759 (@ 640 Khz)

Screen orientation : Horizontal

Video resolution : 288 x 224 pixels

Screen refresh : 60.00 Hz

Palette colors : 256

Players : 4

Control : 8-way joystick

Buttons : 2


Released in July 1988.

This game is known in Japan as "Ring no Ohja".

The game's commentator can also be heard on fellow Konami games "Blades of Steel - The Supreme Hockey Challenge" and "The Final Round".

A number of wrestlers in the game are based on real-life wrestlers. For instance, Kamikaze Ken is based on Ricky 'The Dragon' Steamboat, Bigfoot Joe is based on King Kong Bundy and Alan the Empire is based on the late Andre the Giant. In another example, Conan the Great is loosely based on Hulk Hogan.

Default highscore table (OFFICIAL RATINGS)

1st 2U!! 52830

2nd UC!? 46270

3rd EZ? 33620

4th BHI 28350

5th QT!! 22830

6th MT? 19580

7th 4ME 14910

8th */US 12050

9th A2Z 7330

10th Mr#I 5770

King Records released a limited-edition soundtrack album for this game (Konami Game Music Collection Vol.0 - 276A-7708) on 21/07/1989.


Game's rom.

Machine's picture.

Giochi Simili

Warning: information in history.dat can differ from the ones present in the rest of the page (taken from MAME) as they come from a different source

Information on mainevt

0.33b7 [Bryan McPhail]


- mainevt and clones: Black lines on ropes when wrestler is near ropes while Flipped. Tafoid (ID 04943)


- 0.147u1: Corrected Main Event rom names via verification from new PCB dump [R. Belmont].

- 0.145u4: hap fixed sound regression MainEvent driver.

- 0.142u3: Angelo Salese fixed protection read-back registers 0x07 and 0x0e / 0x0f in K051733 math chip. Made K051733 RNG to behave like an adder.

- 0.136u1: Fabio Priuli added driver data struct and save states to the MainEvent driver.

- 0.135u4: Fabio Priuli updated The Main Event to use Konami video devices.

- 0.133u2: Kanikani cleanup dipswitches in The Main Event.

- 0.133u1: Brian Troha added DIP locations to The Main Event. Changed 'Unknown' to 'Unused' dipswitches. Renamed (mainev2p) to (mainevt2p).

- 0.131u1: Angelo Salese merged memory maps in the MainEvent driver.

- 0.122u7: Changed HD6309 CPU1 clock speed to 12MHz.

- 0.106u3: Fixed 'Difficulty' dipswitch port names.

- 3rd January 2004: Pierpaolo Prazzoli fixed Main Event (SNK) so that it starts again.

- 0.69: Added clone The Main Event (2 Players ver. X). Changed parent description to 'The Main Event (4 Players ver. Y)' and clones '(version F)' to '(4 Players ver. F)' and 'Ring no Ohja (Japan)' to 'Ring no Ohja (Japan 2 Players ver. N)'.

- 2nd September 2002: Stephane Humbert added a 2 players version of Main Event.

- 0.59: Changed sound2 rom address to ($0).

- 0.36b9: Added clone Ring no Ohja (Japan).

- 0.36b3: Changed M6309 CPU1 clock speed to 3MHz and Z80 CPU2 to 3579545 Hz.

- 10th August 1999: Nicola fixed half priority sprites in Main Event.

- 0.36b2: Changed M6309 CPU1 clock speed to 2MHz. Added priority encoder prom ($0 - not used).

- 3rd August 1999: Bryan McPhail sent in a 007232 update which added bankswitching to the samples, necessary for Main Event.

- 3rd March 1999: Hiromitsu Shioya sent in a newer version of the K007232 sound chip emulation which now supports stereo output.

- 0.35b2: Nicola Salmoria added clone The Main Event (version F). Changed parent description to 'The Main Event (version Y)'. Sound in The Main Event [Nicola Salmoria]. Added Z80 (4MHz) CPU2, KONAMI 007232, uPD7759 sound and sound1 rom ($0) and sound2 rom ($0).

- 0.34RC1: Dave W. added high score saving to The Main Event.

- 0.33b7: Bryan McPhail added 'The Main Event' (Konami 1988). Sprite priorities not yet fully correct. No sound. Graphics rom test fails.

- 1st March 1998: Dumped The Main Event (4 Players ver. Y).

ARCADE RELEASE: Ring no Ouja (Konami) - 1988/Jun/23

Other Emulators:

* FB Alpha

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