If you just need something to play the games with an AV output, there were some posts of people making aftermarket AV Booster clones. For example:
https://www.pcenginefx.com/forums/index.php?topic=17927.0 describes a few options out there.
... there was another one similar to this but with the Tennokoe built-in too... can't find it now.
Topic: WTB AV Booster (Read 519 times)
