For over a decade, the world of Pokémon ROM hacking has been a sanctuary for creativity. From Glazed to Gaia , fans have reimagined the Johto region countless times. However, lurking in the deep archives of , PokeCommunity , and the defunct Whack a Hack forums, there is a keyword that sends a chill down the spine of veteran dataminers: "4780."
Published by: The ROM Hacking and Lost Media Archive Difficulty Rating: Expert (ARP/ASM Required) 4780 pokemon heartgold uxenophobia
is not a version number. It is a memory offset (specifically, an overflow from the 0x477F region of the script table). In late 2011, a user known only as "EntropyRising" uploaded a 512kb patch file titled HG_4780_UX.ips to a now-defunct FTP server in Finland. For over a decade, the world of Pokémon
This article is an exhaustive investigation into the 4779 builds that preceded it, the flag, and why you should never, ever apply the 4780 patch to a legitimate Pokémon HeartGold ROM. The "4780" Build: What Is It? To understand the anomaly, we must first understand the numbering system of Pokémon HeartGold (Version HG/SS Engine RE). The official releases ended at v1.1 (the bug fix for the GTS). However, in the underground scene, "build numbers" refer to specific memory addresses in the ARM9 binary. It is a memory offset (specifically, an overflow