Preprocess instead of post-process 5-6-5 color
Preprocess instead of post-process 5-6-5 color

jeremyherbert/mgba,matthewbauer/mgba,Iniquitatis/mgba,mgba-emu/mgba,Iniquitatis/mgba,iracigt/mgba,libretro/mgba,Touched/mgba,zerofalcon/mgba,iracigt/mgba,mgba-emu/mgba,bentley/mgba,libretro/mgba,mgba-emu/mgba,mgba-emu/mgba,Touched/mgba,iracigt/mgba,libretro/mgba,sergiobenrocha2/mgba,sergiobenrocha2/mgba,bentley/mgba,Anty-Lemon/mgba,iracigt/mgba,matthewbauer/mgba,askotx/mgba,cassos/mgba,AdmiralCurtiss/mgba,jeremyherbert/mgba,MerryMage/mgba,nattthebear/mgba,askotx/mgba,askotx/mgba,MerryMage/mgba,AdmiralCurtiss/mgba,Anty-Lemon/mgba,sergiobenrocha2/mgba,fr500/mgba,libretro/mgba,jeremyherbert/mgba,fr500/mgba,fr500/mgba,Touched/mgba,cassos/mgba,libretro/mgba,Iniquitatis/mgba,zerofalcon/mgba,Iniquitatis/mgba,Anty-Lemon/mgba,AdmiralCurtiss/mgba,sergiobenrocha2/mgba,zerofalcon/mgba,fr500/mgba,cassos/mgba,Anty-Lemon/mgba,askotx/mgba,nattthebear/mgba,jeremyherbert/mgba,MerryMage/mgba,sergiobenrocha2/mgba