The fun doubles for modders. See e.g. https://github.com/ikorb/gcvideo https://github.com/ikorb/gcvideo ; plus the FPGA and parts is cheaper than a set of cable

The fun doubles for modders. See e.g. https://github.com/ikorb/gcvideo https://github.com/ikorb/gcvideo ; plus the FPGA and parts is cheaper than a set of cables... (And for the GBA SP it's been done more nicely than the pic in the article: https://www.youtube.com/watch?v=E0iihTSqPKo https://www.youtube.com/watch?v=E0iihTSqPKo)