Test program here: https://gist.github.com/xmonkee/a9fe6ab0ab983371213e15e5b666734d
to run natively:
`tic80 --fs . --cmd="load main.lua"`
To run html:
```
tic80 --fs . --cli --cmd="load main.lua & export html speed"
unzip speed.zip
python3 -m http.server 8080
```
The FPS counter will show 120 in the browser, and the music will play at double speed