I am sure you could read the PPU state and then convert to HDMI straight from the game port on a Famicom akin to the RGB Blaster: https://krikzz.com/our-produc

I am sure you could read the PPU state and then convert to HDMI straight from the game port on a Famicom akin to the RGB Blaster: https://krikzz.com/our-products/cartridges/rgb-blaster.html https://krikzz.com/our-products/cartridges/rgb-blaster.html