Shiren 1 SFC:Debug Mode

A debug menu.

Debug Mode is an unused mode in  Mystery Dungeon 2: Shiren the Wanderer originally used by developers to test things in-game. While in debug mode, if the player heads south of Canyon Hamlet, the Debug Room can be accessed.

Accessing

Changing from FF to 00 the bytes at 8000 and 8001 in a headerless ROM, or 8200 and 8201 in a headered ROM, enables debug mode. It can also be enabled with the Pro Action Replay codes C0800000, C0800100.

Controls

Controller 1

Controls	Action
Start	Skip to the next floor and increase Shiren's level by 1.
B+Start	Reveal location of all monsters on the current floor.
Y+Start	Reveal location of all items on the current floor.
B+Y+Start	Kill all monsters on the current floor.
R+Start	Display full map of the current floor.
B+R+Start	Opens a menu allowing the selection of any item in the game. Works with the unofficial translation, however most of the text is unreadable.
Y+R+Start	Turns off the background music. The only way to turn it back on is to reset.
B+Y+R+Start	Opens a sound test menu.

Controller 2

Controls	Action
Start	Allows for the entire current floor to be viewed using the D-Pad on controller 2. The coordinates of the portion currently on-screen are displayed, as well as map IDs and the type of the current tyle. The screen moves in tiles, which are 32 pixel each.
	Makes the screen black as long as it's held.
X	Displays Shiren's coordinates.
Y	Opens a sprite and animations test menu including monsters, characters, and items
In the animations test menu
A	Play the animation.
B	Close the menu.
Up/down	Move up and down the cursor of the primary menu (monster select).
Left/right	Move up and down the cursor of the secondary menu (direction the monster is facing).
X/Y
Start	Changes whether it plays the normal animation or an alternate one.

Items Selection Menu

Pressing B + R + Start on controller 1 opens a menu to add any item to the inventory. The tables in this section follow the same layout as the game, which can be helpful with identifying the Japanese names, or when using the Shiren 1 SFC English Unofficial Translation, where the text of these menus isn't displayed properly.

Items
Herbs	Weapons
Scrolls	Shields
Staves	Armbands
Jars	Arrows
Food	Others

Herbs Medicinal Herb Herb of Revival --- Poison Herb Restorative Herb Vanishing Herb Herb of Life Herb of Confusion Happiness Herb Bitter Herb Big Belly Seed Sleeping Herb Herb of Sight Seed of Misfortune Little Belly Seed Weeds Dragon Herb Seed of Ill Fortune Speech Seed New Item Herb of Victory Kigny Seed Herb of Strength New Item Angel Seed Forgetful Herb Antidote Herb New Item	Weapons Club Goken-Manjikabra One-eye Killer Nagamaki Exorcist Sickle Drain Buster Bufu's Cleaver Pickaxe Kajinfumato Katana Accuracy Sword Hiken Kaburasutegi Dragon Killer Minotaur Axe Wooden Arrow Dotanuki Yoto Kamaitachi Iron Arrow The Weapons sub-menu allows selecting the upgrade/downgrade value after the item is selected. The +/- toggle makes the item cursed if set to minus.
Scrolls Purify Scroll Trap Scroll Bigroom Scroll Earth Scroll Identify Scroll Crisis Scroll Monster House Scroll Chrome Scroll Light Scroll Fastfoe Scroll Confuse Scroll Withdraw Scroll Jar Growth Scroll Slumber Scroll Genocide Scroll Slippery Scroll Airslash Scroll Powerup Scroll Blank Scroll -- Scroll Lockjaw Scroll -- Scroll Lost Scroll New Item -- Scroll Detonate Scroll Heaven Scroll New Item	Shields Leather Shield Fuma Shield Disposable Shield Bronze Shield Battle Counter Mine Nabari Shield Antidote Shield Heavy Shield Todo Shield Wooden Shield Echo Shield Rasen-Fuma Shield Iron Shield Reflex Shield New Item Dragon Shield Gilded Shield New Item The Shields sub-menu allows selecting the upgrade/downgrade value after the item is selected. The +/- toggle makes the item cursed if set to minus.
Staves Sealing Staff Bufu's Staff Blowback Staff Skeleton Mage Staff Happy Staff Paralysis Staff Unlucky Staff Buy-Time Staff Decoy Staff Paindividing Staff Swap Staff New Item The Staves sub-menu allows selecting the amount of uses after the item is selected. The +/- toggle reverses the amount and makes the item cursed if set to minus.	Armbands Passage Armband Critical Armband Armband of Sight Discount Armband Armband of Regret Armband of Calm Trap Armband Curseless Armband Identity Armband Levelholder Armband Pitcher's Armband New Item Recovery Armband Happy Armband New Item Rustless Armband Armband of Loss New Item
Jars Jar of Holding Chiropractic Jar Monster Jar Pointless Jar Jar of Hiding Storehouse Jar Jar of Change Unbreakable Jar Dividing Jar Weakening Jar Melding Jar Venting Jar Strengthening Jar --- Walrus Jar New Item Jar of Identity Bottomless Jar Gaibara's Jar New Item The Jars sub-menu allows selecting the amount of uses after the item is selected. The +/- toggle reverses the amount and makes the item cursed if set to minus, using it causes a glitched effect and makes the game unplayable.	Arrows Wooden Arrow Iron Arrow Silver Arrow The Arrows sub-menu allows selecting the amount after the item is selected. The +/- toggle makes the item cursed if set to minus.
Food Riceball Big Riceball Rotten Riceball Giant Riceball Special Riceball	Others Meat Goal 1 Goal 2 Goal 3 All the options in this menu lead to a sub-menu to select monster meat and monster level, however only the first option is for monster meat. The others give goal items that end the Adventure and glitch items.

Gallery

• 

  Sound test.

• 

  Map viewer.

• 

  Item select.

• 

  Sprites and animations test.

• 

  Sprites and animations test (broken text in unofficial translation).

• 

  Item select (broken text in unofficial translation).

• 

  Item select meat sub-menu.

References

• Oyasen for accessing methods, general controls, and debug floor entrance.
• B for animations menu controls, and menu reference tables.