Specifically, Bubble Bobble appears messed up. The issue has been traced directly to the commit where the NTSC filters were added to the emulator. <img width="572" alt="Screen Shot 2020-07-14 at 11 18 57 AM" src="https://user-images.githubusercontent.com/2184469/87450230-dfaa5c80-c5c3-11ea-99a2-cf8933f34076.png">