Fix read/write 0x0400020A
Fix read/write 0x0400020A

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