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This is a sub-page of Proto:The Legend of Zelda: Ocarina of Time Master Quest/Event Editor.

Description#

Ocarina of Time uses flags in order to track which events have occurred in a playthrough. When the player takes certain actions, such as triggering an event that advances the plot, talking to a particular NPC, or obtaining a particular item, the flags linked to these actions will change from 0 to 1. The Event Editor allows the flags to be turned off and on manually, affecting what the game thinks the player has done in their save file.

Flags are categorized by four different types of tables, described in their respective sections. Each table contains 0x0F (16) flags, represented by zeroes. For example, the last zero in event_chk_inf[4] is the flag that tracks whether or not Link has received Zelda's Letter. Changing this flag from 0 to 1 makes the game believe that the aforementioned event has occurred.

Haven't Received Letter	Have Received Letter
event_chk_inf[4]	event_chk_inf[4]
0000 0000 0000 0000	0000 0000 0000 0001

Mapping Flags#

If you plan to test event flags in order to find out what triggers them, you may want to keep the following in mind:

Sometimes, a single action turns on more than one event flag. Each time you perform an action, check every flag table to make sure you don't miss any!
The Debug ROM's save file already has some flags set by default. Every time you use map select, the flags will be reset to these defaults. You can avoid the flags resetting by using an exit code to travel around the game, rather than map select.
- Use these codes with an Exit List.
- Edits Fairy Fountain -> Ganon's Castle Exit (Adult): 813C0288 XXXX
- Edits Gerudo's Fortress -> Gerudo Valley Exit (Child): 813BE534 XXXX
Using the event editor to turn on an event flag for receiving an item won't make that item appear in your inventory. Items must be added manually via the inventory editor.

Happy hunting!

Untested Events#

Learn Saria's Song/Speak to Saria in Sacred Forest Meadow
Check all Kokiris in Kokiri Forest as adult both before and beating Phantom Ganon, also check what flag causes Kokiri Forest to be infested with monsters
Buy the Broken Goron Sword
Obtain the Fire Arrows
Steal the fisherman's hat and throw it in the water
Find the Sinking Lure
Catch the Hylian Loach
Obtain all possible prizes at the Shooting Gallery
Obtain all possible prizes at the Bombchu Bowling Alley
Obtain all possible prizes at the Treasure Chest Shop
Obtain all possible prizes at the Gerudo Archery Range
Complete certain goals in temples (save the Gorons, kill the Poe Sisters, etc.)
Beat the Bottom of the Well boss
Beat Ganon

Access#

To access the Event Editor, perform the following steps:

Open the Debug ROM and enter a save file.
Turn on the code below:
- D01665C1 0010
- 80222957 0003
Press R on Controller 1 to bring up the Event Editor.
Press L on Controller 1 to close it.

(Source: Code - fkualol & PPLToast)

Controls#

The Event Editor is controlled with Controller 1.

Button	Effect	Button	Effect
R	Bring Up Event Editor	D-Up	Next Flag Table
L	Close Event Editor	D-Down	Previous Flag Table
A	Turn Flag On/Off	D-Left	Next Flag
		D-Right	Previous Flag

event_chk_inf#

The flags in the Event Check Info table track which story events have taken place.

[x]	F	E	D	C	B	A	9	8	7	6	5	4	3	2	1	0
0				Met Deku Tree		Played Saria's Song for Mido as Adult	Used Blue Warp in Gohma's Lair		Obtained Kokiri Emerald & Deku Tree Dead	Spoke to Saria After Deku Tree's Death	Deku Tree Opened Mouth	Showed Mido Sword & Shield	Complained About Mido to Saria	First Spoke to Mido
1		Won the Cow in Malon's Race	Destroyed Royal Family's Tomb	Spoke to Mido After Deku Tree's Death	Rented Horse From Ingo		Obtained Kokiri's Emerald	Obtained Epona	Deku Tree Dead	Invited to Sing With Child Malon	Spoke to Child Malon at Ranch	Talon Fled Hyrule Castle	Woke Talon	Obtained Pocket Egg	Spoke to Ingo at Ranch Before Talon's Return	Spoke to Child Malon at Castle or Market
2	Death Mountain Erupted										Obtained Goron's Ruby		Bombed Dodongo's Cavern Entrance
3				Finished Nabooru Battle	Began Nabooru Battle	Offered Fish to Jabu-Jabu	Opened Entrance to Zora's Domain	Obtained Silver Scale	Obtained Zora's Sapphire				King Zora Moved Aside		Obtained Ruto's Letter	Spoke to a Zora
4	Entered the Master Sword Chamber	Caught by Hyrule Castle Guards	Rainbow Bridge Built by Sages		Opened Door of Time	Obtained Water Medallion	Obtained Fire Medallion	Obtained Forest Medallion			Drew Master Sword From Pedestal		Obtained Ocarina of Time			Obtained Zelda's Letter
5					Learned Song of Storms	Learned Sun's Song	Learned Zelda's Lullaby				Sheik Moved From Sword Pedestal	Learned Nocturne of Shadow		Learned Serenade of Water	Learned Bolero of Fire	Learned Minuet of Forest
6	Spoke to Kaepora Gaebora by Lost Woods				Spoke to Talon After Saving Ranch	Woke Talon in Kakariko	Restored Lake Hylia's Water Level	Played Gerudo Archery Minigame	Drained Well in Kakariko Village		Played Song of Storms in Windmill
7								Began Ganondorf Battle	Began Bongo Bongo Battle	Began Barinade Battle	Began Twinrova Battle	Began Morpha Battle	Began Volvagia Battle	Began Phantom Ganon Battle	Began King Dodongo Battle	Began Gohma Battle
8	Paid Back Bunny Hood Fee	Paid Back Spooky Mask Fee	Paid Back Skull Mask Fee	Paid Back Keaton Mask Fee										Bridge Unlocked (After Zelda Escape Cutscene)		Zelda Fled Hyrule Castle
9				Played Song for Scarecrow as Adult						Spoke to Cursed Man in Skulltula House	Nabooru Captured by Twinrova	Spoke to Nabooru in Spirit Temple	Rescued Green Carpenter	Rescued Blue Carpenter	Rescued Yellow Carpenter	Rescued Red Carpenter
10			Completed Spirit Trial	Learned Requiem of Spirit		Bongo Bongo Escaped Well	Learned Song of Time	Entered Deku Tree	Entered Temple of Time	Entered Goron City	Entered Hyrule Castle	Entered Zora's Domain	Entered Kakariko Village		Entered Death Mountain Trail	Entered Hyrule Field
11	Completed Light Trial	Completed Fire Trial	Completed Shadow Trial	Completed Water Trial	Completed Forest Trial	Entered Ganon's Castle (Exterior)	Entered Death Mountain Crater	Entered Desert Colossus	Entered Zora's Fountain	Entered Graveyard	Entered Jabu-Jabu's Belly	Entered Lon Lon Ranch	Entered Gerudo's Fortress	Entered Gerudo Valley	Entered Lake Hylia	Entered Dodongo's Cavern
12							Returned to Temple of Time	Obtained Spirit Medallion	Watched Ganon's Tower Collapse / Caught by Gerudo	Spoke to Deku Tree Sprout	Returned to Temple of Time by Rauru	Returned to Temple of Time With All Medallions / Played Scarecrow's Song to Bonooru?	Dispelled Ganon's Tower Barrier		Spoke to Saria on Lost Woods Bridge	Nabooru Ordered to Fight by Twinrova
13		Obtained Skulltula House's Piece of Heart	Obtained Skulltula House's Bombchu	Obtained Giant's Wallet	Obtained Stone of Agony	Obtained Adult's Wallet				Played Song of Storms for Frogs	Played Song of Time for Frogs	Played Saria's Song for Frogs	Played Sun's Song for Frogs	Played Epona's Song for Frogs	Played Zelda's Lullaby for Frogs	Obtained Frogs' Piece of Heart

Missing Flags#

For whatever reason, entering the following locations doesn't set any particular flag:

Spot 03 - Zora's River
Spot 04 - Kokiri Forest
Spot 05 - Sacred Forest Meadow
Spot 10 - Lost Woods
Spot 13 - Haunted Wasteland

item_get_inf#

The flags in the Item Get Info table track which items have been obtained.

[x]	F	E	D	C	B	A	9	8	7	6	5	4	3	2	1	0

0	Obtained Biggest Quiver	Obtained Big Quiver	Obtained Bullet Bag Upgrade (Market)	Obtained Cucco Lady's Bottle	Obtained Scrub's Heart Piece	Bought Bombchu (Shelf 2: Top Left)	Bought Bombchu (Shelf 1: Bot. Left)	Bought Bombchu (Shelf 1: Top Right)	Bought Bombchu (Shelf 2: Bot. Right)	Bought Bombchu (Shelf 2: Bot. Left)	Bought Bombchu (Shelf 1: Top Left)	Bought Bombchu (Shelf 1: Bot. Right)	Bought Bombchu (Shelf 2: Top Right)	Obtained Super Cucco Bottle
1	Obtained Deku Nut Upgrade (Stage)	Obtained Deku Stick Upgrade (Stage)	Obtained Bullet Bag Upgrade (Woods)	Obtained Grave-Dig Heart Piece		Obtained Nayru's Love	Obtained Din's Fire	Obtained Farore's Wind	Obtained Skullkids' Heart Piece	Obtained Skullkid's Heart Piece	Obtained Roof Guy's Heart Piece		Obtained Deku Seeds	Obtained Bowling Heart Piece	Obtained Bowling Bomb Bag Upgrade	Obtained Scientist's Heart Piece
2		Obtained Cojiro		Obtained Pocket Egg		Obtained Mask of Truth				Obtained Bunny Hood	Obtained Spooky Mask	Obtained Skull Mask	Obtained Keaton Mask
3	Obtained Mask of Truth				Sold Bunny Hood	Sold Spooky Mask	Sold Skull Mask	Sold Keaton Mask							Obtained Poacher's Saw	Obtained Odd Potion

inf_table#

The flags in the Info table mostly track which NPCs Link has spoken to.

[x]	F	E	D	C	B	A	9	8	7	6	5	4	3	2	1	0
0				Mido Asked to See Sword & Shield							Spoke to Saria in Saria's House		Complained About Mido to Saria		Spoke to Saria About Obtaining Fairy	Greeted by Saria
1		Spoke to Kokiri Girl by Jumping Stones					Told Mido Saria Won't Return				Spoke to Mido in Lost Woods as Adult
2								Spoke to Kokiri Girl About Training Center		Spoke to Kokiri Girl on Shop Awning		Spoke to Kokiri Boy Cutting Grass		Spoke to Kokiri Boy Guarding Forest Exit
3															Spoke to Kokiri Boy on Bed in Mido's House
4
5							Spoke to Know-It-All Bro. About Temple								Spoke to Kokiri Girl in Saria's House
6				Spoke to Dying Knight						Spoke to Deku Tree Sprout After Cutscene					Spoke to Know-It-All Bro. About Saria
7		Spoke to Talon in Lon Lon Ranch House							Gate Guard Put On Keaton Mask	Showed Zelda's Letter to Gate Guard
8					Entered Hyrule Castle						Child Malon Said Epona Was Afraid of You	Spoke to Child Malon at Castle or Market
9						Spoke to Ingo as Adult			Spoke to Ingo at Ranch			Spoke to Ingo at Ranch Before Talon's Return
10					Rode a Horse at Ingo's Ranch									Refused Ingo's 50 Rupee Rental Request
11				Spoke to Carpenter Boss by Tent			Spoke to Malon on Horseback	Spoke to Malon After Saving Ranch	Spoke to Fado in Kokiri Forest as Child	Spoke to Poe Collector in Ruined Market					Spoke to Medigoron as Adult	Spoke to Medigoron as Child
12		Spoke to Thin Lady After Zelda's Escape (DBG)	Spoke to Blue Jokester in Market (DBG)	Spoke to Itchy Lady After Malon Left Town	Spoke to Blue Joker in Market (1.0) / Dog Lady as Adult (DBG)	Spoke to Red Joker in Market	Spoke to Thin Lady After Zelda's Escape (1.0)	Spoke to Thin Lady by Bombchu Bowling	Spoke to Old Man by Bombchu Bowling	Spoke to Old Woman by Market Fountain	Spoke to Thin Man by Market Target Shop	Spoke to Thief After Zelda's Escape	Spoke to Burly Man After Zelda's Escape	Spoke to Burly Man About Talon Search	Spoke to Fat Woman After Zelda's Escape	Spoke to Fat Woman by Market Potion Shop
13							Spoke to Dampé as Child
14					Spoke to Goron by Bomb Flowers					Spoke to Goron by Woods Exit			Spoke to Goron Hiding Stick			Spoke to Goron by Cavern
15				Spoke to Goron Shop Owner								Spoke to Ruby-Crazed Goron				Spoke to Goron at City? Entrance
16		Spoke to Goron Link		Stopped Goron Link's Rolling	Spoke to Goron Link About Volvagia		Goron City Doors Unlocked
17		Obtained Bomb Bag Upgrade (Goron City)				Spoke to Darunia in Fire Temple							Spoke to Darunia in Goron City
18							Spoke to Zora Swimming Behind Zora Shop	Spoke to Zora Beside Zora Shop?				Spoke to Zora Near Zora Shop?
19							Obtained Zora Tunic	Thawed King Zora
20									Ruto in JJ, Spawns on F1 Instead of B1	Ruto in JJ (M6) Kidnapped	Ruto in JJ (M6) on Sapphire platform	Ruto in JJ (?) Wants to be Tossed to Sapphire	Ruto in JJ (M10) Can Be Escorted	Ruto in JJ (M3) Talk First Time	Ruto in JJ (M2) Meet Ruto	Ruto in JJ (M7) on Blue Switch
21
22				Refused Nabooru's Request								Spoke to Carpenter Boss's Wife as Adult	Spoke to Carpenter Boss's Wife as Child	Spoke to Man in Impa's House as Adult	Spoke to Man in Impa's House at Night	Spoke to Man in Impa's House During Day
23	Running Man Suggested a Race							Spoke to Green Carpenter in Tent		Spoke to Blue Carpenter in Tent				Spoke to Carpenter Boss in Kakariko		Spoke to Carpenter Boss in Valley
24
25	Caught Cucco Behind Potion Shop	Caught Cucco by Skulltula House	Caught Cucco in Crate	Caught Cucco Behind Windmill	Caught Cucco by Cucco Pen	Caught Cucco by Bazaar	Caught Cucco by Field Entrance	Obtained Small Magic Jar	Spoke to Cursed Man With 10 Tokens	Spoke to Cursed Man With <10 Tokens	Spoke to Kaepora in Lake Hylia		Obtained Deku Nut Upgrade (Grotto)	Obtained Deku Stick Upgrade (Lost Woods)	Obtained Dog Lady's Piece of Heart	Obtained Gerudo Archery Piece of Heart
26	Entered Ganon's Castle (Collapsing)	Entered Ganon's Tower (Collapsing)	Entered Ganon's Castle	Entered Thieves' Hideout	Entered Gerudo Training Ground	Entered Ganon's Tower	Entered Ice Cavern	Entered Bottom of the Well	Entered Shadow Temple	Entered Spirit Temple	Entered Water Temple	Entered Fire Temple	Entered Forest Temple	Entered Jabu-Jabu's Belly	Entered Dodongo's Cavern	Entered Deku Tree
27
28
29	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	(Reset When Sword Acquired)	No Sword on B

event_inf#

[x]	F	A	8	6	5	4	3	2	1	0
0	Rented Horse From Ingo	Won Special Cucco Minigame?	Finished Special Cucco Minigame / Began Gerudo Archery	Racing Ingo For the Second Time	Lost Race With Ingo?			Won First Race With Ingo?	Racing Ingo	Rented Horse From Ingo
1										Racing Running Man
2						Market Crowd Text Randomizer	Market Crowd Text Randomizer	Market Crowd Text Randomizer	Market Crowd Text Randomizer	Market Crowd Text Randomizer
3										Entered the Market