"Room cleaned" events
Status: improvement
Effect: harmless
Bank: 8F
Description: 9 new events. This patch is for educational purpose to understand the code. I recommend to use in your hacks patch FF events located below. After cleaning out room, selected event will happen. In original ROM, after destroing all Metroids, that room will load state where is no Metroids in this room. You can do more than just rid of enemies after cleaning room. You can place an elite space pirate in Wrecked Ship. After killing him, in very far room in Lower Norfair locked doors will open.

Single event can affect many, many rooms. If there is no enemies in room with this PLM, then event will be set instantly and effect will happens when you leave this room first time.

Events used: 10..13 (old ones used by Metroid shafts and halls), 17..1F.

PLM to set events: DB44
Place PLM DB44 in the room.
Use lower byte to choose event.