Welcome to HBGames, a leading amateur game development forum and Discord server. All are welcome, and amongst our ranks you will find experts in their field from all aspects of video game design and development.
After a quick search, I found that it was originally called "Project Zelda Engine". A quick google search revealed this link, which contains a fully functional copy of the project. (I checked) For future reference, this should have been asked in The Lost Scripts thread.