That's just one of many. eg + https://github.com/jeffpar/pcjs https://github.com/jeffpar/pcjs + https://js-dos.com/ https://js-dos.com/ The Internet Archive

That's just one of many. eg + https://github.com/jeffpar/pcjs https://github.com/jeffpar/pcjs + https://js-dos.com/ https://js-dos.com/ The Internet Archive even has a copy of TP7 that you can run in a browser: https://archive.org/details/tpuve https://archive.org/details/tpuve