Check out as well:

- MiSTer FPGA project on GitHub: https://github.com/MiSTer-devel/Wiki_MiSTer/wiki (you can find there as well a link to MiSTer FPGA Discord with a section for developers)

- MiSTer FPGA in 2022: A Primer Guide to Retro Gaming's Hardware Emulator / MY LIFE IN GAMING: https://www.youtube.com/watch?v=rhT6YYRH1EI

- FPGA dev videos by Mister Retro Wolf: https://m.youtube.com/@misterretrowolf1464

- FPGA design books recommended by one of retro FPGA devs: https://archive.ph/Q30Xf