this post was submitted on 12 Nov 2025
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[–] _NetNomad@fedia.io 13 points 6 days ago

it's fascinating, the game gear itself actually has a "TV Mode" that's activated by holding down a certain signal on the cartridge bus which bypasses the z80 and VDP and chucks a digital RGB signal and some kind of custom timing information straight to the screen

https://www.smspower.org/Development/TVTunerAdaptor