Keep it simple, right? This version takes all the keyboard lines direct to the GPIO (with a switch for handling keyboard modes) and uses a Python script to scan the keyboard for presses which uses the python-uinput module to inject those keypresses into the kernel. Did I think Python would work? Not for a second. It did. Brilliantly. The new ZX Raspberry v2 is significantly more responsive and the Raspberry Pi Zero W has plenty of horsepower to run everything.
I also decided to move to RetroPie as the OS for this project as it is just so good and refined. Setup was a breeze and Fuse works perfectly. I’ve finally got rid of that dratted mouse pointer too. As a bonus, the bluetooth capabilities of the Zero W mean I could pair a PS3 controller and use it as a Kempston joystick. Again, never expected it to work. Again, worked perfectly.
My ZX Raspberry v2 made its debut at the second Milton Keynes Raspberry Jam last weekend.
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