Debug Menu C Button Behavior

This is a listing of which effects each C button has on each part of the debug menu.  The four C buttons are referred to as U/D/L/R.  For further documentation of what's on the menu, including a translated image, see https://tcrf.net/Proto:The_Legend_of_Zelda:_Majora%27s_Mask/Debug_Version/Inventory_Editor


Rupees
D +100
U -100
R +1
L -1

Max Hearts
D/R +1
U/L -1

Current Hearts
D +1 Heart
U -1 Heart
R +1/4 Heart
L -1/4 Heart

Items without Quantity
U/D/L/R Toggles the item

Items with Quantity (this includes all of the masks)
R +1 Quantity
L -1 Quantity
U Set quantity to zero
D Nothing

Trade items and bottles behave somewhat similarly to items with quantity.
U Set slot to empty
R Increases item value
L Decreases item value
D Nothing

Note: From an empty slot, L will take you to the highest allowed item value.  If the slot is non-empty, decreasing the item value will stop at the lowest possible item value (it will not wrap around to the highest, instead you would have to empty the slot with U).

Masks
U/D/L/R Toggles the item

Boss Remains
U/L Toggle
D/R Nothing

Sword/Shield
D/R +1 Upgrade level
U/L -1 Upgrade level

Songs/Bomber's Notebook/Quiver/Bomb Bag
U/L Toggle
D/R Nothing

Skulltula Tokens/Heart Pieces/Small Keys
D/R +1
U/L -1

Dungeon Items
R Toggle Boss Key
D Toggle Compass
L Toggle Map
U Nothing

Stray Fairies
D/R +1
U/L -1

Putting the cursor over any of the 4 bottom row options affects Double Defense
U/D/L/R Toggle Double Defense