Use the XDelta GUI (https://www.romhacking.net/utilities/598/) to apply this to a US Pokemon Emerald ROM (not provided here obviously, get your own).
Used in the Battle Factory. Added OW_PC_MOVE_ORDER config to use future generation's menu order for the Pokémon Storage System by @pkmnsnfrn and @AsparagusEduardo in rh-hideout#4348 GEN_1/2 will not ...