The Chameleon 64 is a great cartridge. With each release of the firmware, new features are being unlocked. Recently, the Minimig core was ported to the Chameleon 64 which means you can now have a fully emulated Amiga that fits in the palm of your hand.

To play games using a joystick, you need a CDTV infrared (IR) remote. They are still available for purchase here and here but it would take a few weeks for it to arrive.

I wanted to see if it’s possible to convert a standard joystick to wireless IR communications. I know it can be done– I’ve had some experience using Arduino’s to communicate over IR with a vintage LED sign I have. I reverse engineered the original protocol by using the original remote to the sign. That project taught me a lot.

In this case, I don’t have the remote. So I asked on the forum and got a response from the programmer of the Chameleon IR code with all the info I needed (Thanks Peter!).

This version uses an original Nintendo NES game pad for the joystick but this could be easily changed to support a standard 9-pin Commodore/Amiga/Atari style joystick. The gamepad is connected to the Arduino and decoded into button presses. It then transmits it via infrared signals to the Chameleon. The code uses the Arduino-IRremote library with additions (included) for the CDTV remote type added.

Download CDTV IR Remote