GenAssister™

$49.00 USD

NEW! Version 2 adds support for regular & rapid-fire Commodore/Atari joysticks, advanced 8-button control usage, and functions as a BackButton™ when in Genesis/Megadrive mode.

The Commodore 64 & 128 are notorious for the fact that many games work only on Port 2, while some games require Port 1. Furthermore, since there is only 1 button on a typical joystick, often the fire on the other controller is needed for another action.

The GenAssister™ joystick adapter solves this problem by giving you control of both ports from one joystick! Use a standard Commodore or Atari joystick along with the physical switch to ease swapping ports. Or, plug in a Sega Genesis/MegaDrive controller and take advantage of 8 button madness, including rapid, automatic, and alternate port fire, and a button for UP! If you use the attached cable to plug into a BackBit cartridge, you can change games while lounging back in your easy chair!

Note: Do not plug a Genesis/MegaDrive controller directly into your C64 as this can cause damage. The GenAssister™ safely converts signals to protect your C64.

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SKU: GENASSISTER Category:

Description

Comes with this extensive feature set:

  • Interfaces Sega Genesis/Megadrive joystick safely with your C64/C128 (DB9 only):
    • START button toggles between port 1 & 2;
    • MODE button returns to menu when attached to BackBit cartridge via included cable;
    • “A” button performs fire on alternate joystick;
    • “B” button performs REGULAR fire;
    • “C” button mimics UP direction;
    • “X” button toggles automatic rapid fire;
    • “Y” button performs rapid fire (approx. 30 times/second);
    • “Z” button performs second fire button (first introduced with C64GS);
  • Physical switch allows toggling joystick ports with normal or rapid-fire Commodore/Atari joystick;
  • Extremely responsive, offering approx 25µs latency for Commodore joystick and 250µs for Genesis/Megadrive;
  • Provides 100% compatibility with sensitive CIA chips;
  • Built-in fuse provides safety from short circuits;
  • 3D printed ABS case;
  • BackBit is not affiliated with Sega or RetroBit brands.


Games with special function using “A” on GenAssister:

12 O’Clock (time out)
1942 (air loop)
1943 – One Year After (air loop)
1985 – The Day After (rotation)
3-D Skramble (pause)
5th Axis, The (pause)
5th Gear (select weapon)
911 Tiger Shark (music on/off)
Acid Runner (pause)
Actionauts (instructions)
Actionauts II (instructions)
After the War (duck on second level)
Afterburner USA (rockets)
Aftermath (going lower left)
Airwolf (music on/off)
Aknakereso (?)
Aliens – The Computer Game (Electric Dreams Software) (map)
Angle (pause)
Annihilator I / II (smart bomb)
Another World (destroy enemies on screen)
Anter Planter (pause)
Apache Strike (firing rocket)
Arachnophobia (poison bomb)
Arcade Pilot (destroys everything on screen)
Arcana (choose weapons)
Ark Pandora (salto)
Arktyczne Polowanie (pause)
Armalyte (toggle remote tracking on/off)
Armourdillo (music/sfx)
Arnie (pause)
Asterix & Magic Cauldron (pause)
Athena (fire sword)
Atomic Robo-Kid (cycle trough weapons)
Aviator Arcade II (destroying everything on screen)
Ball Crazy (pause)
Ball-job (cancelling last move)
Barbarian II – Dungeon of Drax (entrance in caves etc.)
Batman The Movie (loading next level)
Battle Command (?)
Bee 52 (?)
Beyond the Ice Palace (summon spirit)
Biff (choosing item from pocket)
Big Trouble in Little China (pause)
Blackwyche (change item)
Blitz 2000 (pause)
Blue Baron (throwing bomb)
Blue Max (pause)
Bomb Uzal (map)
Bombakereso (reset game)
Bounce! (pause)
Boxy Moxy (pause)
Breakthru (jump)
Bruce Lee – Return of Fury (reset the game)
Bubble Ghost (pause)
Bubbler (jump)
Buffalo Bill’s Wild West Show (space needed to be pressed before and after playing any mini-game)
Bugs Bunny – Private Eye (mega flash)
Burnin’ Rubber (pause)
Cabal (throwing grenades)
California Raisins (?)
Carrier Command (pause)
Castle (pause)
Castle Master (fire or walk mode)
Castle of Jasoom (?)
Castlevania (music/sfx)
Cataball (pause)
Caverns of Eriban (pause)
Centipede (pause)
Chase HQ (turbo)
Chemical (level-skip)
Chickin Chase (?)
Chilly Willy (stunning enemies)
Chimera (pause)
Chomper Man (speed boost)
Chopper Command (pause)
Chopper Commander (pause)
Chuckie Egg II (reset to main menu)
Citadel (?)
Clik Clak (option menu)
Color Buster (music on/off)
Color Buster (music on/off)
Combat Crazy (self-destruction)
Combination (self destruction)
Commando (throwing bomb)
Commando Arcade (throwing bomb)
Commando II (throwing bomb)
Compare (cancel last move)
Compare II – New Levels (cancel last move)
Contra / Gryzor (jump)
Cosmic Hero (pause)
Countdown to Meltdown (?)
Cowboy Kidz (pause)
Crackers Revenge (reset game)
Crackpots (pause)
Crazy Cars III (speed boost)
Crypt, The (fire or walk mode)
Crystal Castles (reset game)
Crystal Kingdom Dizzy (jump)
Crystals of Zong (pause)
Cyberdyne Warrior (entering shop)
Cyberwing (matter bomb)
Dam Busters (reset to main menu)
Dante’s Inferno (pick up things)
Dark Side (fire or walk mode)
Darkness (pause)
De’sign (level skip)
Defcom (changing weapons)
Demoni (pause)
Denarius (shield)
Deri Colours (cancelling last move)
Desert Fox (reset to main menu)
Dizzy – Prince of The Yolk Folk (jump)
Doctor Who and the Mines of Terror (?)
Donald Duck’s Playground (pause)
Double Dragon (Ocean) (jump)
Double Trouble (pause)
Dr. Mad (level-skip)
Dragon Skulle (change item)
Dragon Spirit (reset game to main screen)
Dragon’s Kingdom (pause)
Dragonhawk (reset to main menu)
Dream Warrior (pause)
Driller (fire or walk mode)
Dropzone (destroying everything on screen)
Dux (pause)
Dynamite Dux (jump)
Eddie Kid Jump Challenge (brake)
Empire Strikes Back (throwing tow cable)
Encounter (reset to main menu)
Enduro Racer (bike on rear wheel)
Energy Warrior (changing area ID
Enforcer – Fullmetal Megablaster (smart bomb)
Entombed (change action)
Escape (pick up or drop axe)
Exploding Fish (pause)
F18 Hornet (firing missiles)
Fantasy World Dizzy (jump)
Fifth Axis (reset to main menu)
Finders Keepers (pause)
Fiona Rides Out (pause)
FireTrap (fire & going down at same time)
First Strike (change weapon during flight)
Fix It Felix Jr. (pause)
Flak – The Ultimate Flight Experience (reset to main menu)
Flintstones – Yabba Dabba Doo! (pause)
Flyerfox (reset to main menu)
Flying Digger (shooting a bomb)
Flying Shark / Sky Shark (activates bomb on screen)
Fort Apocalypse (pause)
Fortress (music on/off)
Fox Fights Back (music on/off)
Fred’s Back II & III (slow motion)
Fred’s in Troubles (slow motion)
Fred’s Back (game in slow motion)
Front Line (pause)
Frostbite (pause)
Future Knight (selecting items)
Galaxian (reset to main menu)
Galencia (pause)
Garfield – Big, Fat, Hairy Deal (pause)
Gates of Dawn (instructions)
Geomatrix (loosing life)
Ghettoblaster (pause)
Ghostbusters II (changing items on first level)
Ghostdriver (pause)
Give my Regards to Broad Street (brake)
Golden Axe (special weapon)
Golf Master (scrolling screen to see field)
Goonies (pause)
Gothik (menu)
Gothik (option screen)
Gradius / Nemesis (upgrading weapon)
Green Beret (flame thrower)
Gremlins (reset to main menu)
Gremlins II – The New Batch (pause)
Gryzor / Contra (jump)
Guardian I / II (reverse)
Gumshoe (reset to main menu)
Gun Runner (destroy everything on screen)
Gunfright (change view)
Harald Hardtooth (pause)
Hard & Heavy (select temporary invincibility or bombs)
Hard Hat Mack (drop rivet gun)
Headache (?)
Heartland (reset to main menu)
Hektic (pause)
Hektic II (pause)
Heli 1983 Part 2 (pause)
Henry’s House (pause)
Ho! Ho! Ho! (back to main menu)
How to be a Complete Bastard (inventory list)
Hyper Circuit (hypercharge smart bomb)
I-Ball (smart missile)
Ice Palace (options menu)
Ice-Mania (pause)
Iceblox Plus (music/FX)
Ikari Warriors (throwing bomb)
Impact (pause)
Implosion (turn around 180 degrees when static)
Impossamole (power)
Impossible Mission II (choosing options)
Insects in Space (destroying everything on screen)
Into Oblivion (smart bomb)
Into the Eagle’s Nest (pause)
Iridis Alpha (progress status display)
Jail Break (changing weapons)
Java Jim in Square Shaped Trouble (reset to main menu)
Jax (pause)
Jet Set Willy II (pause)
Jinks (shaking screen)
Jinn-Genie (reset to main menu)
Joe Blade (pause)
Joe Blade II (pause)
Joe The Whizz Kid (pause)
Judge Dredd (Melbourne House) (pause)
Judge Dredd (Melbourne House) (pause)
Juice! (reset to main menu)
Jungle Hunt (reset to main menu)
Jupiter Lander (thrust)
Katakis (sending and calling drone)
Key Finders (?)
Keystone Kapers (pause)
KGB Agent (pause)
Kid Grid (reset to main menu)
Kinetik (?)
King’s Valley (pause)
Knight ‘n Grail (map)
Koncept (cancelling last move)
Krystals of Zong (pause)
Kwik Snax (pause)
Last Ninja 3 (change weapons)
Lazer-Force (destroys everything on screen)
Legend of the Amazon Women (reset game)
Legend of the Knucker Hole (pause)
Lemon Blues (music on/off)
Leviathan (reset game to main screen)
Lifeforce (self-destruction)
Lightforce (music/sfx)
Little Puff in Dragonland (reset to main menu)
Luma (reset game)
Lunattack (map)
Macadam Bumper (reset to main menu)
Mad Balls (pause)
Mad Planets (pause)
Magic Micro Mission (pause)
Magic Mouse in Goblin Land (pause)
Magicland Dizzy (jump)
Marauder (smart bomb)
Marble Magic (music on/off)
Master of Magic (inventory)
Masters of the Universe (Gremlin) (pause)
Menace (space ship goes to lower left corner)
Metro Blitz (pause)
Metron (info)
Mickey Mouse (changing weapon)
Microdot (activating Jumpdrive space)
Midnight Resistance (missiles/nitro)
Miecze Valdgira II (English) (pause)
Mighty Bombjack (pause)
Mighty Bombjack (pause)
Millie & Molly Catrap LE (pause)
Millie & Molly Deluxe (pause)
Minima Reloaded (view map)
Monty on the Run (jumping forward)
Moon Crises 1999 (pause)
Moon Crystals (pause)
Moonfall (thrust)
Moonwalker (to start each level after introducing picture)
Morfix (game over)
Move On (quit level)
Mr. Freeze (jump)
Mr. Heli (music/sfx)
Mr. TNT (reset to main menu)
Mutants (pause)
Mystery of the Nile (reset to main menu)
Myth – History in the Making (change weapons)
NATO Commander (?)
Nebraska Joe (?)
Nemesis / Gradius (upgrading weapon)
Nemesis the Warlock (shoot spit fiery acid)
Neoclyps (pause)
Neptune Lander Elite (pause)
Neutral Zone (pause)
New York City (pause)
Night Shade (pause)
Night Shift (changing tools)
Ninja (reset to main menu)
Ninja Spirit (change weapons)
No Mercy (rockets)
Nobby the Aadvark (music on/off)
O-Pa-Tko-no (music on/off)
Odyssey, The (pause)
Olli & Lissa 3 (enter doors)
On the Tiles (shooting)
Operation Hormuz (turn around)
Operation Wolf (grenades)
Orb (level-skip)
Out Run (US Version) (pause)
Out Run Europa (music on/off)
Outlaw (destroy everything on screen)
Outrage (destroy everything on screen)
Pac-Man (Atari) (reset to main menu)
Pacemaker (reset game)
Pandora (Firebird) (accessing inventory)
Panther (restart mission)
Parsec (bomb)
Pentagram (?)
Perplex (reset game)
Pesky Painter (jump)
Peter Pat Rack (changing background colors)
Pharaoh’s Curse (pause)
Phileas Fogg’s Balloon Battles (pause)
Planet Golf (easter egg on main screen)
Platoon (drop bombs on first level)
Plis (pause)
Point X (pause)
Poltergeist (destroy everything on screen)
Powerama (pause)
Powerdrift (pause)
Prince of Persia (showing minutes left)
Protector II (pause)
Pyramid Puzzler (reset to main menu)
Quick Draw McGraw (level-skip)
Quod Init Exit (pause)
Quod Init Exit IIm (?)
R-Nest (pause)
R-Type (attach and detach The Force)
Raid over Moscow (going to hangar)
Rallye (pause)
Ranarama (active spell list)
Rastan (pause)
Reckless Rufus (pause)
Recon (pause)
Red LED (pause)
Renegade (music/FX)
Repton (nuke)
Rescate (pause)
Rescue on Fractalus (pause)
Revelation (pause)
Revenge of the Mutant Camels (pause)
Ricochet (pause)
Road Warrior (going to fuel station)
Robocop 2 (jump)
Rockford 8restart level)
Rogue Burger One (pause)
Rox-64 (panic destructor)
Rupert and the Ice Castle (pause)
Rupert and the Toymaker’s Party (pause)
Rygar (pause)
Saboteur (crouch)
Saint Dragon (music/sfx)
Salamander (?)
Sam’s Journey (restart level)
Saracen (pick items)
Savage (music/sfx)
Schizofrenia (pause)
Scout (pause)
Sentence (pause)
Sentinel (pause)
Sentinel (Synsoft) (pause)
Shadow Dancer (magic)
Shadow over Hawksmill (changing weapons)
Shadow Skimmer (?)
Shamus Case II (map)
Shark (pause)
Sheep in Space (jumping)
Sheepoid DX (destroy everything on screen)
Shellshock (throwing bomb)
Shinobi (ninja magic)
Shockway Rider (music/sfx)
Shoot (destroy everything on screen)
Shoot Em Up (destroy everything on screen)
Sigma 7 (fast scroll to the right)
Skate Rock (pause)
Skatin’ USA (reset to main menu)
Ski Worldcup (pause)
Sky Shark / Flying Shark (activates bomb on screen)
Slapfight (upgrading weapon)
Sleepwalker (pause)
Slimey’s Mine (?)
Sly Spy Secret Agent (music/sfx)
Snokie (reset to main menu)
Solomon’s Key (?)
Sonic Boom (destroys everything on screen)
Space Firehawk (pause)
Space Harrier (pause)
Space Invasion (throwing bomb)
Spellbound (menu)
Spelunker (ward off the ghost)
Spheron (pause)
Spindizzy (stopping the craft)
Spitfire ’40 (changing between cockpit and command view)
Spitfire Ace (reset to main menu)
Spooky Castle (reset to main menu)
Spy Who Loved Me (pause)
Staff of Karnath (changing spells)
Star Ball (pause)
Star Empire (music/sfx)
Star Maze (hyperwarp)
Star Paws (reset to main menu)
Star Raiders II (going to space map)
Starforce Fighter (pause)
Starray (destroy everything on screen)
Stealth (pause)
Steel Ranger (changing weapons)
Steg the Slug (game over)
Steg the Slug (game over)
Stellar 7 (?)
Stinger! (destroys everything on screen)
Street Beat (pause)
Strike Force Cobra (jump)
Strontium Dog (electroflares)
Suicide Strike (reset game)
Super Cars (pause)
Super Galaxy-I-Birds (screen bomb)
Super Gridder (?)
Super Pipeline II (pause)
Superkid (reset to main menu)
Superkid in Space (reset to main menu)
Supertrux (reset to main menu)
Supremacy (second fire-button)
Survivor (destroy all enemies on screen)
Sysiphus (pause)
Tai-Pan (entering options menu)
Tales of the Arabian Nights (pause)
Tangram (self destruction)
Tanium (pause)
Tarzan (pause)
Task-F (loop)
Tazz (destroy all enemies on screen)
Technocop (destroying everything on screen)
Telnyr II – The Golden Chalice (option menu)
Tenract I / II (smart bomb)
Terror of the Deep (game over)
Tetroid (destroying tetris element)
Thing Bounces Back (music on/off)
Thunderblade (pause)
Thundercats (reset to main menu)
Tiger Mission (smart bomb)
Tilt (reset to main menu)
Time Machine (?)
Time Runner (jump)
Times of Lore (option menu)
Titanic Blinky (reset to main menu)
To Be On Top (go to main menu after game over)
Total Eclipse I / II (fire or walk mode)
Treasure Island Dizzy (jump)
Tris (pause)
Triton (pause)
Tropical Fever (pause)
Tropical Fever II (pause)
Trzask Tensorskiego (music/sfx)
Tunnels of Terror (pause)
Turbo Charge (turbo boost)
Turbo Esprit (map)
Turbo Girl (jump)
Turn It (pause)
Turrican I / II / III (power lines, wheel)
Turtle Jump (pause)
Tusker (pick up items)
Twinworld (change weapons)
U-96 (battleship rotation)
Vampire (pause)
Vampire’s Empire (self destruction)
Vault Man 2 (pause)
Vendetta (change weapons)
Vengeance (enter the in-game menues)
Warhawk (pause)
Warlok (pause)
Way Out (pause)
Werewolves of London (reset to main menu)
Wheelin’ Wallie (pause)
Where’s My Bones (pause)
Where’s My Bones II (pause)
Whirlinurd (pause)
Wiz (?)
Wizard’s Doom (self destruction)
Wizards Lair (entering magic lift passwords menu)
Wonderboy in Monsterland (opening doors)
Z (bomb)
Zoids (music/fx)
Zone Z (pause)
Zyrons Escape (pause)


Games with special function using “Z” on GenAssister:

Navy Seals (pause)
Pang (pause)
Robocop 2 (jump)
Space Gun (select shooting sights)
Super Mario Bros 64 (jump)
Turbo Charge (speed boost)

Additional information

Weight 4 oz
Case Option

Red, Black

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