This hack removes all full-screen flashes to make the game more enjoyable for those who are sensitive to flashing lights.
Database match: Prince of Persia (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: 6B58F149F34FA829135619C58700CAAA95B9CDE3
File CRC32: 43C7E445
ROM SHA-1: 9BC0211CF659608E375AA2D29CEC1ECDE463CF29
ROM CRC32: 70CE3771