Memory layout

| 0x6E | B | A | |——|—–|—–|

Arguments

Description

Retrieves the field ID number of the field that was played directly before the current one, into the bank B and address A specified. The previous area does not include the specific world map locations that are given a field ID (0x1 to 0x40), so traversing via a gateway to the world map, then back to the field, will not cause the world map ID to be retrieved; rather, that same field ID will be loaded.