I’ve been using retroarch with the Genesis Plus GX core, and that seems to work well and is open source. Not everyone loves retroarch, but I’ve moved to it so I can use some of the more interesting HDR 4k CRT shaders
Nope, it’s not. It’s in the terms of service. If you don’t like that, don’t sign the contract with them. Steal it if you want to. I’m cool with piracy, just not with the poor attempts at justification.
I’ve been using retroarch with the Genesis Plus GX core, and that seems to work well and is open source. Not everyone loves retroarch, but I’ve moved to it so I can use some of the more interesting HDR 4k CRT shaders