this doesn't work in Chromium 66.0.3359.117. I imagine it must be something wrong with the underlying emulator, but there's no audio output. visuals work, but

this doesn't work in Chromium 66.0.3359.117. I imagine it must be something wrong with the underlying emulator, but there's no audio output. visuals work, but not much else, which is sad for this bit of interesting code!