Computer resolution settings > retroarch settings > GPU settings > TV settings.
Windowed vs exclusive gaming.
Core provided and custom resolution
Integer scaling.
Bezels
Shaders.
Internal resolution
Upscaling
I have a 55 4k tv and I want to play SNES and GBA resembling what I remember as a kid.
How do you know integer scaling is working and what do I need to do?
Does it help with crt shaders?