Singular Crew 4Player Adapter for Commodore 64

(c)2008 Singular Crew


The Singular Crew 4 Player Adapter allows you to connect up to 4 joysticks to your C64, rather than the factory limit of 2. Even better, this adapter has all the features of every similar adapter and adds a few more extras to the feature set. Whether you are a gamer or game developer, this adapter brings new possibilities and a useful device to your C64 config.




The Singular Crew 4 Player Adapter is compatible with all currently known 4 player adapters, even though those adapters are not compatible with each other:

Our adapter is practically compatible with every game that requires one of the above listed adapters due to its configurable adapter compatibility modes.


Supported Games:

If you are a gamer, the Singular Crew 4 Player Adapter brings new entertainment to your C64, as this adapter lets you play every multiplayer game that supports any currently known 4 player adapter -- you no longer have to buy or build 3 different adapters to have access to all those games! At the link below you can find information about games supporting 4 player adapters, and now high-time for an info flash -- Singular Crew is working on more such games.

Classical Games Adapter (CGA):
  - Bomb Mania by Classical Games   Protovision/Bombmania    
  - International Karate Plus by The Dreams        
  - Rampage Gold by The Dreams        
  - Marble Madness by Nostalgia        
  - Tanks 3000 by Protovision   Protovision/Tanks 3000    
  - Team Patrol by Protovision   Protovision/Team Patrol    
  - Quadris by Protovision        
  - Quadtron by Protovision        
  - Pac It        
  - Snacks 4 Snakes by Protovision   Protovision/Snacks 4 Snakes    
  - Garrison by Nostalgia        
  - Grubz by Singular Crew   Singular Crew/Grubz    
  - Hockey Mania by Protovision   Protovision/Hockey Mania    
  - Phong by Triad   Triad/Phong    
  - Amazing Maze by Triad   Triad/Amazing Maze    
  - Tour de France        
  - Super Off Road+        
  - Alone in the Green        
  - Square Attack        
Digital Excess & Hitmen Adapter (D&H)
  - Bomb Mania by Classical Games   Protovision/Bombmania    
  - International Karate Plus by The Dreams        
  - Rampage Gold by The Dreams        
  - Garrison by Nostalgia        
  - Super Off Road+        
Bug Bomber Adapter (BBA) / Kingsoft Adapter (KSA)
  - Bug Bomber by Kingsoft        



If you are a game developer, the most important advantage of Singular Crew's configurable 4 Player Adapter for you is that you can add support for all 3 currently known types of 4 player adapters with just one extra device in your config, and test how exactly your game works with those adapters. '


Programming details found here:



Unfortunately, the device cannot detect from software.


ON-THE-FLY Configuration

You can select the desired compatibility mode on-the-fly by pressing the corresponding button on the Singular Crew 4 Player Adapter. The currently active mode is indicated by LEDs of different colours next to each compatibility mode button:

  • Green LED = CGA compatibility mode
  • Yellow LED = D&H compatibility mode
  • Red LED = BBA compatibility mode

If you want to use software that is incompatible with devices connected to the USER Port, there is a Disable button right below the compatibility mode buttons. This will completely disable the adapter, indicated by none of the LEDs being lit.

Additionally, there is a Reset button on the Singular Crew 4 Player Adapter.


Startup settings

Besides the on-the-fly configuration options described above, you can set up the Singular Crew 4 Player Adapter to be in a particular mode after you reset the C64.

Jumper JP2 lets you select if resetting the C64 should switch the adapter to Disable mode or to keep the previous mode.

1-2 Closed = Disable the adapter if you reset the C64
2-3 Closed = Keep previous setting after reset

Keeping the previous setting is not recommended for generic daily use, but it comes useful if you are programming 4 player adapter support for your game, as development usually implies several resets but you don't have to select the particular compatibility mode again and again. '

Disable after reset is the best generic setting because the Singular Crew 4 Player Adapter is constantly signalling the C64 while active, and this may incur a problem if some software attempts to use the USER Port as an output (ie. a fastloader for floppy drives with a parallel cable). Such situations can wreck both the 4 player adapter and the C64.

The Singular Crew 4 Player Adapter has a certain level of built-in protection against situations like the user selecting the wrong compatibility mode for a game requiring a 4 player adapter, some software trying to output data via the USER Port while the adapter is not disabled, or a USER Port I/O programming error while developing 4 player adapter support.

Nevertheless it is best if the user takes precautions and heeds the following directives while using the adapter.


User precautions

Take heed of the following while you are using the Singular Crew 4 Player Adapter:

- Plug the adapter into your C64 with the LEDs and buttons on the adapter facing the same side as the Power LED and keyboard of your C64.

- Never attempt to plug the adapter into a switched on C64!

- Select the compatibility mode suitable for the 4 player adapter supporting game you are running only after the game was launched.

- Make sure you selected the proper compatibility mode for the 4 player adapter the game actually supports; if you selected the wrong mode, switch to the proper mode as soon as possible or press the Disable button on the Singular Crew 4 Player Adapter.

- Only one-way communication (adapter to C64) is supported by the Singular Crew 4 Player Adapter. Never attempt to program the joystick ports of the adapter as outputs!

Have Fun! Singular Crew

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