This patch implements highscore-saving for both Game A and Game B.
Database match: Donkey Kong 3 (World)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: EC6FA944C672A2522C8BC270A25842281C65FF5D
File CRC32: D1CAC3C2
ROM SHA-1: 75E3AB6D075DFC20FA88DC8E420A489ACA94BEF6
ROM CRC32: B3D74C0D