I kept getting random artifacts in my AVS+everdrive fami combo on the rom Young Indiana Jones Chronicles, then as I discovered they were also visible on the lone ranger, and others. I tested every single firmware available for the AVS, and I was able to confirm that the issue started on b6 and its still present on b7 and b8.
I tested OSv14 and v15 on the everdrive, and redownloaded the no-intro versions of the roms, this is definitely an AVS issue.
I made a video:
Here is a screenshot:
http://imgur.com/a/feav0...
Although its barely visble on the screenshot, let me know if you need me to retouch the photo, or make new photos and videos.
Krikzz had recently solved a random white artifact issue on metroid and other games, but the artifacts seen on the roms I mentioned, are present even with his new fix on FW verfsions b6, b7 and b8.
Another bug that I found is that someone recently developed sound support for VRC7 on the everdrive, but now evertime I try to play Lagrange Point translated, the game crashes after a minute or less into the game. I tested this custom mapper on all of the AVS FW revisions. Could you please check this issue as well?