this post was submitted on 12 Nov 2025
623 points (98.9% liked)
RetroGaming
25629 readers
483 users here now
Vintage gaming community.
Rules:
- Be kind.
- No spam, AI slop, or soliciting for money.
- No racism or other bigotry allowed.
- Obviously nothing illegal.
If you see these please report them.
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
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