I do not know the file extension limits for this system.
There is no bios for this system.
<div style='width:640px;height:480px;max-width:100%'>
<div id='game'></div>
</div>
<script type='text/javascript'>
EJS_player = '#game';
EJS_core = 'atari2600';
// URL to Game rom
EJS_gameUrl = '';
/*
* Path to the WASM / JS files
* HAS TO BE in the same directory.
*/
EJS_pathtodata = 'data/';
</script>
<script src='data/loader.js'></script>