There are a bunch of Model III emulators: http://www.trs-80.com/wordpress/emulators/ http://www.trs-80.com/wordpress/emulators/ Including my latest online one:

There are a bunch of Model III emulators: http://www.trs-80.com/wordpress/emulators/ http://www.trs-80.com/wordpress/emulators/ Including my latest online one: https://www.my-trs-80.com/ https://www.my-trs-80.com/