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Button B will work as the normal fire button, but this adapter also allows using Button C as the second fire button, for those games that support two buttons.
While this all works out of the box on Amiga computers, this adapter also allows to customize the button mapping to a certain degree: for instance, replacing UP with C might make some games more comfortable to play. This might be useful on the Amiga as well, so the adapter also supports an Amiga mode.
ConfigurationFirst of all, be sure to move the C64/Amiga jumper to the proper position, before connecting the adapter. For Commdore 64/128/VIC-20, set the jumper to \"C64\".
Then you have three more configuration jumpers that you can use to customize how the computer interprets button presses on the controller.
In fact, since most joysticks back in the day only had a single fire button, it was usually used forfiring, whatever that meant.Jumpingwas usually done with the UP direction of the joystick, which is quite annoying on a joypad.
This is adapter allows you to repurpose the B or C key to jumping, leaving the other button for firing, all at your choice.
It also allows to use C as the second fire button, which is only supported by a few titles. You can even swap B and C, if you prefer.
If you don\'t follow the rules,you will probably cause permanent damage to your computer and/or controller, soplease be careful, you have been warned.
The default configuration maps B to button 1, C to button 2 and UP to UP. If you play Giana Sisters, you will probably want to use the C button for jumping, so just do the following:
On the Amiga 600 it might be necessary to use an extension cable, since the adapter will not physically fit into Port 2. An extension cable might also help on some Commodore 64\'s which have loose ports that will not hold the adapter in place.
Documentation