in /mGBA/config.ini, in the [ports.3ds] section add this line: threadedVideo=0 and it should work, but it might be slow. endrift added a commit that referenced this issue Mar 31, 2019 3DS: Ensure core 2 can be used for threaded renderer (fixes #1371) 0fb6912 endrift closed ...
gPSP - Not bad, Some games slow, some fast, BIOS needed, need to delete config file every ...
cdrom: forget old sector on cd change – fixes Syphon Filter 2 does not change disk dma: add optional slow linked list walking – fixes issues in Crash Bash (PAL), Spot Goes To Hollywood, Final Fantasy Chronicles (FF4) cdrom: make the timing hack conditional – fixes incorrect behavior ...
Start the game with mGBA 3DS and make a duel. Then comes audio stutter and low frame rate (48 fps - 50 fps). mGBA Windows has no problems getting constant 60 fps and no audio stutter. Member endrift commented Feb 27, 2022 The 3DS is just slow. Especially the old 3DS. Not a bug...