This patch inproves the graphics and the color palette to be more similar to the arcade version. A version of this patch with the Mappy 30th Anniversary Edition patch by Makimura Manufacturing (https://www.romhacking.net/hacks/2633/) is also included.
Database match: Mappy (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 30A06C63F13D33DC5BB307F15D4BE7D4478740AF
File CRC32: 3F0E8E0A
ROM SHA-1: E22B95C6687AD703FDEC22F4FE79556DA6A2256B
ROM CRC32: 5D1301C5