Something that gets me, for as much as Gamefreak doesn't understand the tech they use too much, or the coding oddities, RSE interestingly had something that we the player have ironically due to emulation have gotten wrong: the colors for graphics
For those unaware, the GBA not only lacked a backlight before SP at first, but also handled color differently, having a different standard than typical sRGB monitors (same with GBC!). As such, the devs compensated with specific palettes so that in the hands of the player, mon colors were correct.
Unfortunately cuz the GBA was emulated
*before the console was even out for most*, most pirates or hackers got the raw, incorrectly viewed palettes. Which for Gen 3 has severely hurt rep, especially since GB player similarly didn't handle colors like the OG GBA, moreso only dimness
But let's see how drastic it is...
Note: the filter used is by Pokefan531. They've made a shader for Retroarch here, based on extensive research of the GBA/GBC:
https://forums.libretro.com/t/real-gba-and-ds-phat-colors/1540/220
First, the infamous purplely blue mons...
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Well look at that. The orange for Salamences wings become redder as well, Machoke is closer to a steely grey, and Wartortle's tan isn't soo yellow
For orangish pink mons...
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Much less orange shifted. It's similar to Gen 4/5 pink if not for dimness
Speaking of orange
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Dragonite in particular benefits shifted red/green levels, not as yellow as raw
And for overall super saturated tans that plagued many mons for raw...
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No longer as yellowish or green
For more comparisons, see here. It even has my custom saturation boost after the GBA screen filter (not sure why Imgur acts like this is mature, ignore that message):
https://imgur.com/a/t89rpaI