Difference between revisions of "Six Button Control Pad (Mega Drive)"
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Revision as of 08:59, 1 November 2020
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| Made for: Sega Mega Drive | |||||||||||||||||||||||||||||||||||
| Manufacturer: Sega | |||||||||||||||||||||||||||||||||||
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The Six Button Control Pad became the de facto controller for the Sega Mega Drive, replacing the standard Control Pad internationally around 1993/1994. It is officially known as the 6 Button Arcade Pad in North America and the Fighting Pad 6B (ファイティングパッド6B) in Japan.
Contents
Hardware
There are two main types of Six Button Control Pad, a smaller model originally intended for Japan, and a larger one intended for the west. The differences in size are due to a perception that the Japanese and people living in similar Asian countries have genetically smaller hands - it is an idea that passed through to the Sega Saturn and even to the Xbox before the realisation it might have been easier to produce one single pad for all regions. Indeed the larger variant was phased out by the end of the decade to cut costs and the Japanese variant would replace it worldwide.
The Six Button Control Pad is functionally identical to the previous pad but features three extra face buttons (or "triggers"); 
, 
and 
, placed above 
, 
and 
. The START button was moved to the centre of the pad, similar to Nintendo's set of controllers.
In most regions the Six Button Control Pad was released with Street Fighter II': Special Champion Edition which made use of the six-button layout. Though the game had been released on the Super NES, it had to assign moves to the 
and 
buttons - the Mega Drive version is therefore more analogous to the original arcade version (and also means a separate arcade stick does not necessarily need to be purchased).
Some games do not function with the six button controller. To fix this situation, Sega added a MODE button on the top right of the controller. If held while the system is booting, the controller will revert back to a three button pad. Many six button games make use of the MODE button within play, bringing the total number of buttons to eight (plus the D-Pad). Since the Super NES controller also has eight buttons, this made developing multiplatform games for both consoles easier.
There are some minor aesthetic differences between models. Japanese control pads have blue START buttons, PAL models have red ones, and North America has grey ones.
The six button control pad would be used as a basis for the Sega Saturn Control Pad, though the MODE button would be scrapped in favour of an extra two shoulder buttons, and .
Compatible games
Mega Drive
- AWS Pro Moves Soccer
- Art of Fighting
- Batman Forever (Mega Drive)
- Boogerman: A Pick and Flick Adventure
- Brutal: Paws of Fury
- Bubba 'N' Stix
- Chou Kyuukai Miracle Nine
- ClayFighter
- College Football's National Championship
- College Football's National Championship II
- Comix Zone
- Commandos (Mega Drive)
- Contra: Hard Corps
- Darius Extra Version
- Davis Cup Tennis
- Desert Demolition Starring Road Runner and Wile E. Coyote
- Double Dragon V: The Shadow Falls
- Dragon Ball Z: Buyuu Retsuden
- Dragon: The Bruce Lee Story
- Duke Nukem 3D (Mega Drive)
- Duke Nukem 3D (Piko Interactive)
- Dyna Brothers 2
- Eternal Champions
- Fatal Fury 2
- Fever Pitch Soccer
- Garfield: Caught in the Act
- Garfield: The Lost Levels
- Gouketsuji Ichizoku
- Greatest Heavyweights
- Instruments of Chaos Starring Young Indiana Jones
- International Superstar Soccer Deluxe
- Judge Dredd
- Justice League Task Force
- Lemmings 2: The Tribes
- Lord Monarch: Tokoton Sentou Densetsu
- Marsupilami
- Mega Turrican
- MiG-29 Fighter Pilot
- Mortal Kombat
- Mortal Kombat 3
- Mortal Kombat II
- NBA Action '94
- NBA Action '95 Starring David Robinson
- NFL '95
- Nightmare Circus
- Phantom 2040
- Pinocchio
- Pitfall: The Mayan Adventure
- Primal Rage
- Ranger-X
- Rise of the Robots
- Samurai Shodown
- Shaq Fu
- Shinobi III: Return of the Ninja Master
- Spider-Man and Venom: Maximum Carnage
- Street Fighter II': Special Champion Edition
- Streets of Rage 3
- Striker (Mega Drive)
- Super Street Fighter II: The New Challengers
- The Great Circus Mystery Starring Mickey & Minnie
- The Lion King
- The Lost Vikings
- The Story of Thor: A Successor of the Light
- Time Killers
- ToeJam & Earl in Panic on Funkotron
- True Lies
- Ultimate Mortal Kombat 3 (Mega Drive)
- Urban Strike
- VR Troopers
- Virtua Fighter 2 (Mega Drive)
- Virtua Racing
- WWF WrestleMania: The Arcade Game
- Weaponlord
- Williams Arcade's Greatest Hits (Mega Drive)
- World Heroes
- World Series Baseball '95 (Mega Drive)
- World Series Baseball '96 (Mega Drive)
- Yuu Yuu Hakusho: Makyou Toitsusen
Mega-CD
- After Burner III
- BC Racers
- Battlecorps
- Brutal: Paws of Fury
- Eternal Champions: Challenge From the Dark Side
- Fatal Fury Special
- Loadstar: The Legend of Tully Bodine
- Mortal Kombat
- Pitfall: The Mayan Adventure
- Prize Fighter
- Samurai Shodown
- Shin Megami Tensei
- Supreme Warrior
- Urusei Yatsura: Dear My Friends
- WWF Rage in the Cage
- Wing Commander
32X
- After Burner Complete
- BC Racers
- Blackthorne
- Cosmic Carnage
- Darxide
- Doom (32X)
- Golf Magazine: 36 Great Holes Starring Fred Couples
- Metal Head
- Mortal Kombat II
- Pitfall: The Mayan Adventure
- Primal Rage
- Sangokushi IV
- Spider-Man: Web of Fire
- Star Trek: Starfleet Academy Starship Bridge Simulator
- Star Wars Arcade
- Stellar Assault
- Virtua Fighter
- Virtua Racing Deluxe
- WWF WrestleMania: The Arcade Game
Incompatible games
- note: this list is incomplete
- Forgotten Worlds (reads controllers too quickly for the pad to keep up — there is no delay between setting TH and reading the new values, and apparently regular controllers are fast enough to handle this, but not the 6-button)
Games requiring 3-button mode
- Arch Rivals
- Beast Wrestler (Cursor moves too fast)
- Double Dragon II: The Revenge (There's a bit of input lag in 6-button mode)
- The Faery Tale Adventure (Cursor for item selection at shop menu goes wild in 6-button mode)
- Golden Axe II
- Ms. Pac-Man (Ms. Pac-man controls badly in 6-button mode)
- Starflight (Cursor moves too fast on some menus, like save slot selection)
- Sunset Riders (Can't access "2 Players" and "Versus" modes if both players are in 6-button mode)
King of the Monsters requires an abnormally long press of the mode button in order to work.
Mode Button
Though the MODE button is officially used on a six button control pad to switch between six button and three button modes, many developers utilised it in-game as an extra button for gameplay. In many situations the MODE button's usage is kept hidden from the player by not being listed in manuals, thus its use is not widely documented.
List of Games which use the Mode Button
- Aerobiz Supersonic
- After Burner Complete
- Batman Forever
- Battlecorps
- Doom
- Dragon: The Bruce Lee Story
- Dragon Ball Z: Buyuu Retsuden
- Fatal Fury 2
- The Lost Vikings
- Metal Head
- Nightmare Circus
- Phantom 2040
- Star Wars Arcade
- The Story of Thor
- TechnoClash
- Williams Arcade's Greatest Hits
- WWF Royal Rumble
Technical information
In order to maintain backwards-compatibility with existing games, the 6-button gamepad acts the same as the 3-button if the controller inputs are read by the program a maximum of four times per frame. Reading the 3-button gamepad takes two cycles (once with TH=1 to read 
, 
, 
, 
, , and ; and once with TH=0 to read and START ), and the 6-button gamepad allows this to occur twice. It then reports the state of the extra buttons when the TH line is changed after the fourth cycle.
The full controller state is read in 8 cycles:
| Cycle | TH out | TR in | TL in | D3 in | D2 in | D1 in | D0 in |
|---|---|---|---|---|---|---|---|
| 1 | HI | C | B | Right | Left | Down | Up |
| 2 | LO | Start | A | 0 | 0 | Down | Up |
| 3 | HI | C | B | Right | Left | Down | Up |
| 4 | LO | Start | A | 0 | 0 | Down | Up |
| 5 | HI | C | B | Right | Left | Down | Up |
| 6 | LO | Start | A | 0 | 0 | 0 | 0 |
| 7 | HI | C | B | Mode | X | Y | Z |
| 8 | LO | Start | A | --- | --- | --- | --- |
Note: For the 8th cycle, '---' indicates "don't care". These values are all 1 on the 6-button controller, but may be mapped to other buttons on third-party controllers. Software expecting 6-button controllers should simply ignore these values. (6-button detection should be done on the 6th cycle, which presents four 0's on the D lines.)
The controller's internal counter automatically resets after the eighth cycle. It also resets if it doesn't detect a rising-edge (0 to 1) transition on the TH line within 1.5 ms, which ensures that most games that don't support the extra buttons won't read them accidentally.
Some games incorrectly read the controller more than twice per frame, which may cause them to read the wrong set of buttons. If the MODE button is held in while starting the Mega Drive console, the 6-button gamepad will disable the extra buttons and act identically to a 3-button gamepad. (That is, the controller's internal counter will reset after the first two cycles instead of after eight cycles.)
Gallery
US model
EU model
JP model
LaserActive model
BR model (grey)
JP model PCB
Patents
USD349527
Magazine articles
- Main article: Six Button Control Pad (Mega Drive)/Magazine articles.
Promotional material
also published in:
- Sega Visions (US) #17: "February/March 1994" (199x-xx-xx)[3]
also published in:
- GamePro (US) #64: "November 1994" (1994-xx-xx)[4]
- Sega Visions (US) #22: "December/January 1994/1995" (1994-xx-xx)[5]
- Sega Visions (US) #23: "February/March 1995" (199x-xx-xx)[6]
- Sega Visions (US) #24: "May 1995" (1995-xx-xx)[7]
Physical scans
| Mega Drive, JP |
|---|
   Cover
|
| Mega Drive, US |
|---|
  Cover
|
| Mega Drive, US (newer) |
|---|
  Cover
|
| Mega Drive, US (Sega Club) |
|---|
    Cover
|
| Mega Drive, EU (-50) |
|---|
|
| Mega Drive, EU (-50 B) |
|---|
|
| Mega Drive, EU (-44) |
|---|
  Cover
|
| Mega Drive, BR |
|---|
 Cover
|
| Mega Drive, BR (Master System branding) |
|---|
 Cover
|
| Mega Drive, BR (grey) |
|---|
 Cover
|
| Mega Drive, CA |
|---|
  Cover
|
External links
References
- ↑ http://sega.jp/fb/segahard/md/fighting6b.html (Wayback Machine: 2012-11-14 01:16)
- ↑ VideoGames & Computer Entertainment, "June 1993" (US; 1993-0x-xx), page 21
- ↑ Sega Visions, "February/March 1994" (US; 199x-xx-xx), page 131
- ↑ GamePro, "November 1994" (US; 1994-xx-xx), page 167
- ↑ Sega Visions, "December/January 1994/1995" (US; 1994-xx-xx), page 57
- ↑ Sega Visions, "February/March 1995" (US; 199x-xx-xx), page 89
- ↑ Sega Visions, "May 1995" (US; 1995-xx-xx), page 101