- Multi-tap also refers to a text-entry system for mobile phones.
A multitap is a video game console peripheral that increases the number of controller ports available to the player, allowing additional controllers to be used in play, similar to a USB hub. A multitap often takes the form of a box with three or more controller ports which is then connected to a spare port on the console itself.
Mainly sports games have supported multitaps due to the multiplayer aspect of some sport games, though some role-playing video games and first person shooters have taken advantage of multitap support.
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The earliest multi-controller adapter was the Joypair by HAL Laboratory, released in Japan for Nintendo's Family Computer in 1985, which allows two additional controllers to be plugged into the console's DA-15 expansion port. Originally the Joypair was only intended to allow two players to use specialized controllers (specifically HAL's Joyball controllers) in place of the standard Famicom joypads (which were hardwired into the console itself), but Nekketsu Kōkō Dodgeball Bu (the Japanese version of Super Dodge Ball) utilized it to allow up to four players to participate in the game's Bean Ball mode. Hori later released the Twin Adapter in 1989 as an alternative to the Joypair, while certain controllers (such as the ASCII Stick series and certain models of the Family Champ joysticks) came equipped with an additional expansion port that allowed for users to connect an additional controller into them. A more conventional 4-Players Adapter for the Famicom was eventually released by Hori in 1990, which allowed up to four controllers to be plugged into the expansion port (allowing each player to utilize a specialized joypad if they desired). During the same year, Nintendo released their own first-party adapters for the Nintendo Entertainment System in North America: the NES Four Score and the NES Satellite. Despite the fact that the HVC-101 model of the Famicom uses the same controller ports as the NES, 4-player Famicom games are not compatible with the NES multitaps.
The Multitap (the first device to be marketed with such a name) by NEC Home Electronics for the PC Engine, which launched alongside the platform in Japan on October 30, 1987, was the first multi-controller adapter made specifically for multiplayer support, allowing up to five controllers to be plugged into the console. Because the console itself only has one controller port as standard, the Multitap was a necessity for games that supported more than one player. As a result, various inexpensive alternatives to the Multitap were released for the PC Engine by third-party companies, such as the Battle Tap by Big Club and the Joy Tap 3 by Hudson Soft, which featured less controller ports than the first-party adapter, but these were gradually phased out as more games started to fully support the Multitap. The first PC Engine game to allow more than two players simultaneously was Pro Tennis: World Court in August 1988 (ten months after the launch of the system), which allowed up to four players in a doubles match, while Dungeon Explorer in 1989 was the first game to fully allow up to five players. The Multitap was redesigned into the TurboTap for the North American market with the launch of the TurboGrafx-16 in 1989, and later as the DuoTap for the TurboDuo in 1992 (the different models were due to the change in controller ports between the TurboGrafx-16 and the TurboDuo).
Hudson Soft manufactured the Super Multitap, a multiplayer adapter for the Super NES in 1993. The adapter connects to the second controller port of the SNES control deck (leaving the first one free), adding a total of five controller ports (much like the original Multitap for the PC Engine). It was produced primarily for Super Bomberman, which had a prior installment on the PC Engine (simply titled Bomberman) that featured a five-player battle mode, although the SNES game only supported up to four players (the series did not support five players on the SNES until Super Bomberman 3, which was released only in Japan and the PAL region). The Super Multitap has a switch for 2P Mode and 5P Mode, allowing it to remain connected into the console without affecting incompatible games. While no Nintendo-produced version of the peripheral was ever produced (nor were there any first-party games that supported it), various other SNES multitaps were later produced by other companies (both, licensed and unlicensed) such as the Hori Multitap (released by Bulletproof Software in North America as the Super Links) and the Multi-Adaptor Auto. One particular unlicensed model, the Tribal Tap by Naki, added a fraudulent sixth controller port that wasn't entirely functional (since no commercialized SNES game ever supported more than five players).
Two independently developed multitaps were released for the Sega Genesis also in 1993. The 4-Way Play (which utilized both controller ports) was developed by Electronic Arts without license from Sega and was made specifically for their lineup of sports games (such as Madden NFL '94), whereas the Team Player (known as the SegaTap in Japan) was developed by Tengen for Gauntlet IV and sold by Sega as a first-party product. In contrast to the 4-Way Play, the Team Player only required one controller port (leaving an additional port free for a fifth player, much like the Super Multitap) and also acted as a splitter that allowed users to switch between multiple input devices (such as a mouse or a light gun) connected to the console at the same time. The original model of the Team Player (MK-1654) was incompatible with games that required the 4-Way Play, so a revision (MK-1647) was later produced that solved this issue by adding adding a second controller cord and an "Extra" setting for 4-Way Play compatibility. While most Team Player-compatible titles only supported up to four players (with some games such as Columns III supporting up to five), Konami's Double Dribble: The Playoff Season and Sega's Egawa Suguru's Super League CD (a Japan-exclusive baseball game for Mega CD) both allow up to eight players with the use of two Team Player adapters (one in each controller port). In addition to these multitaps, Codemasters released a series of Genesis cartridges known as the J-Cart with two additional controller ports installed on them, allowing users to plug in additional controllers on them without the need of an adapter. A total of six games were released in J-Cart format.
A few games released for the Amiga home computer system after 1995 included support for custom-built multitaps. Instructions for how to build a multitap were included in the manual to classic Amiga racing sequel Super Skidmarks. The Amiga multitap would plug into the computer's parallel port and provide two additional ports for use. Earlier, the Amiga version of Bomberman, Dynablaster had already included support for a similar device.
During the fifth generation multitaps were released by Atari for the Jaguar, Sega for the Saturn and Sony for its PlayStation and (in the sixth generation) PlayStation 2 consoles. The PlayStation Multitap allows the same number of memory cards as controllers. In games such as Dead or Alive 2: Hardcore, this allows all players to insert memory cards and track their personal statistics. The PlayStation 2 allows for the use of 8 controllers and 8 memory cards simultaneously by plugging in a multitap in both controller ports.
Later consoles had no need for a multitap peripheral. Initially, this was due to console manufacturers increasing the number of controller ports on home consoles to four. While the first console to support 4 controllers was the Bally Astrocade, the feature became common with the introduction of the Nintendo 64 in 1996, followed by the Dreamcast in 1998, and then the original Xbox and Nintendo GameCube in 2001. Ultimately, wireless controllers became standard with the introduction of the Xbox 360 in 2005, allowing support for at least four controllers without any physical connectors.
Method of operation
Many systems were not designed with multitaps in mind, and so require some clever design to work. Because of this, games usually have to be specially written to include multitap support.
The most common way of implementing 8 and 16 bit multitaps is to multiplex the signals from each attached controller in some way. Some systems have unused lines available on the controller port, designed for future expansion, which can be used. Another popular technique is to serialise the data from each controller. Since the NES/SNES uses a serial bus for standard controllers, creating a multitap is simply a case of increasing the amount of serial data available to the console. In that way, an almost unlimited number of extra controllers can be connected.
Later systems used more complex buses, such as the N64 serial bus, the Dreamcast Maple Bus or USB. These buses tend to be more modular and can already support more than one device per port, making the multitap little more than a hub.
- Prior to Dodge Ball, the first Famicom game to allow more than two players simultaneously was Konami's Moero TwinBee released in 1986, which allows a third player to participate by simply plugging a joypad into the expansion port without the need of an adapter. The NES version of the game, titled Stinger, only allows up to two players.
- "ファミコン 周辺機器" (in Japanese).
- "ファミコンの周辺機器が大集合! ザ☆周辺機器ズ 04".
- "VIDEO GAME MAKER HUDSON SOFT USA INTRODUCES FIRST-IN-THE-INDUSTRY, MULTI-PLAYER ACCESSORY; ANNOUNCES THIRD-PARTY SOFTWARE SUPPORT".
- "Quadro-Power". Megablast (in German) (Joker Verlag). 1994-03-30. p. 29.
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