NOTE: All values in Tables are Hexadecimal unless noted otherwise.

The following article is a RAM map for The Legend of Zelda: Oracle of Seasons.

Bank 0 (C000 - CFFF)

TBD

RAM	Size	Purpose	Note
C5C0 - C5FF		Unappraised rings carried
C602 - C606		Player name
C616 - C61D		Rings owned
C61E - C61F	2 Bytes	Deaths
C622 - C625	4 Bytes	Time passed since power-on
C627	2 Bytes	Rupees earned since file creation	Value is represented in decimal
C63A	1 Byte	Current level bank
C63B	1 Byte	Current Absolute Overworld Screen OR Current Relative Dungeon Screen	On the overworld, all 256 map squares are represented in order; left to right, top to bottom, 0x00 - 0xFF. Inside a dungeon, only squares that are valid rooms are represented while empty squares are not counted.
C63C	1 Byte	Current Absolute Dungeon Screen	Unlike with C63B, all squares on the dungeon map, including ones that do not represent a valid room, are counted in order; left to right, top to bottom, 0x00 - 0xFF.

RAM	Size	Purpose
C63E	1 Byte	Enemies killed since last Maple encounter
C64C	1 Byte	Enemies killed since Gasha Seed planted at ??
C64D	1 Byte	Enemies killed since Gasha Seed planted at ??
C64E	1 Byte	Enemies killed since Gasha Seed planted at ??
C64F	1 Byte	Enemies killed since Gasha Seed planted at ??
C650	1 Byte	Enemies killed since Gasha Seed planted at ??
C651	1 Byte	Enemies killed since Gasha Seed planted at ??
C652	1 Byte	Enemies killed since Gasha Seed planted at ??
C653	1 Byte	Enemies killed since Gasha Seed planted at ??
C654	1 Byte	Enemies killed since Gasha Seed planted at ??
C655	1 Byte	Enemies killed since Gasha Seed planted at ??
C656	1 Byte	Enemies killed since Gasha Seed planted at K7
C657	1 Byte	Enemies killed since Gasha Seed planted at ??
C658	1 Byte	Enemies killed since Gasha Seed planted at ??
C659	1 Byte	Enemies killed since Gasha Seed planted at ??
C65A	1 Byte	Enemies killed since Gasha Seed planted at ??
C65B	1 Byte	Enemies killed since Gasha Seed planted at M9

**C65C - C65D**
Action	Incrementation
Great Fairy Heal	0x40
Bomb a Wall	0x32
Collect a Fairy	0x18
Screen Transition (excluding entering and exiting structures)	0x05
Collecting a Heart	0x04
Slaying an Enemy	0x03

RAM	Size	Purpose
C66F	1 Byte	Small Keys
C67A	1 Byte	Has Boss Key (if value ends in 2, 3, 6, 7, A, B, E, or F)
C67C	1 Byte	Has Compass (if value ends in 2, 3, 6, 7, A, B, E, or F)
C67E	1 Byte	Has Dungeon Map (if value ends in 2, 3, 6, 7, A, B, E, or F)
C680 - C691		Items
C6A2	1 Byte	Current Hearts
C6A3	1 Byte	Max Hearts
C6A5 - C6A6	2 Bytes	Rupees
C6A7 - C6A8	2 Bytes	Ore Chunks
C6A9	1 Byte	Shield level
C6AA	1 Byte	Current Bombs
C6AC	1 Byte	Sword level
C6B1	1 Byte	Boomerang level
C6B3	1 Byte	Slingshot level
C6B4	1 Byte	Roc's feather level
C6B5	1 Byte	Ember Seeds
C6B6	1 Byte	Scent Seeds
C6B7	1 Byte	Pegasus Seeds
C6B8	1 Byte	Gale Seeds
C6B9	1 Byte	Mystery Seeds
C6BA	1 Byte	Gasha Seeds
C6BB	1 Byte	Essences
C6C6	1 Byte	Ring Box level

RAM	Size	Purpose
C700 - C7FF		Overworld Screen Flags (used to track events and map exploration)
CC30	1 Byte	Enemies left on screen
CE00 - CEAF		Current Screen Collision Data (dynamically generated from the screen tile data. this space is also used as a temporary store for compressed level data read from ROM)
CF00 - CFAF		Current Screen Tile Data