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![](https://lemmy.world/pictrs/image/e8842a5a-3702-4103-8102-b71875cd9eda.png)
There is no “supposed to look”. There are many variations of displays, and not all versions of the SNES were the same. Not all CRTs are the same, either. Not all development environments looked anything like an actual SNES–they may have used very sharp computer monitors.
It’s entirely subjective, usually based on whatever you personally grew up with.
I wonder if this will also improve compatibility with the OSSC. There’s some weirdness in the SNES output that can be a PITA on the OSSC. Though compatibility is better in later firmware.