ZSNES board

I think I've narrows the problem down a little bit. It seems to only happen when the windows IME is used in another program while zsnes (btw i'm too stupid to learn the name of the emulator) is running (more specifically the Japanese IME in Firefox).

Windowed mode mouse trapping is totally broken. On or off, your mouse can escape the window once and only once, thereafter it can never exit the zsnes window again without having to quit. It is supposed to be harder to move it out, not prevent it from moving out. That is how it works. I tried as ha...

Windowed mode mouse trapping is totally broken. On or off, your mouse can escape the window once and only once, thereafter it can never exit the zsnes window again without having to quit.

Text with no filters applied:


Text with scanlines applied:


The same happens with the various other filters; the text becomes something that borders on unreadable.