The NSMB Hacking Domain » Save File Structure

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shibboleet

Posted on 01-28-17, 11:08 pm (rev. 8 by shibboleet on 02-02-17, 06:34 pm)

Link
ID: 54657
+5

Mole
Normal user

Karma: 2013
Posts: 232/359
Since: 07-08-12

Located at address 0x02088BDC in the game's memory (only when you're playing the story. Minigames overwrite this when playing minigames) lies the save file. It is 0x24C bytes long and contains a variety of information. The structure is defined below.

Value	Purpose
`0x00-0x04`	"7000" in ASCII. (7001 in NewerDS)
`0x04-0x08`	Most likely a flag that is set to 1 when the save has been initialized.
`0x08-0x0C`	Field responsible for calculating the user's profile stars.
`0x0C-0x10`	Number of lives.
`0x10-0x14`	Number of coins.
`0x14-0x18`	Unknown.
`0x18-0x1C`	Number of star coins.
`0x1C-0x20`	Number of spent star coins.
`0x20-0x24`	Current world. Setting byte 2 of this field will play the warp animation.
`0x24-0x28`	Unknown.
`0x28-0x2C`	Current world map node.
`0x2C-0x30`	Unknown.
`0x30-0x34`	Current powerup the player has.
`0x34-0x38`	Score.
`0x38-0x3C`	Current background the bottom screen uses.
`0x3C-0x40`	Current world possible duplicate. This value changes when 0x20 changes, and cannot be edited because 0x20 automatically sets it back to the previous value.
`0x40-0x44`	Unknown.
`0x44-0x48`	Unknown.
`0x48-0x4C`	Unknown.
`0x4C-0x50`	Unknown.
`0x50-0x54`	Unknown.
`0x54-0x58`	Unknown.
`0x58-0x5C`	Unknown.
`0x5C-0x60`	Current item in inventory.
`0x60-0x70`	WorldUnlocks[8]
`0x70-0x137`	StarCoins[200]
`0x137-0x24C`	Levels[240]

Level Flags

Flag	Purpose
`0x00`	Not unlocked.
`0xA0`	Used only by signboards. This value will be there while the animation for the sign disappearing is playing. Once it finishes, it will change to 0xC0.
`0xC0`	Complete.

Star Coin Flags

Below is a table of how the StarCoins[] get marked.

Flag	Purpose
`0xD0`	No star coins.
`0xD1`	Star Coin 1 Only
`0xD2`	Star Coin 2 Only
`0xD3`	Star Coin 1 and 2
`0xD4`	Star Coin 3 Only
`0xD5`	Star Coin 1 and 3
`0xD6`	Star Coin 2 and 3
`0xD7`	All 3 star coins.

World Map Flags

Flag	Purpose
`0x00`	Not unlocked.
`0x3E`	World was not completed, user "finished" world by shooting out of a cannon.
`0x43`	World was accessed by cannon.
`0xFF`	World is completed. (The world itself is unlocked if the value is >= 0x40)

Hiccup	Posted on 01-29-17, 01:29 pm Hi. Link ID: 54672 +0
Birdo Karma: 2754 Posts: 1959/2091 Since: 06-26-11	Is this the same as the actual save file?

skawo	Posted on 01-29-17, 01:57 pm Hi. Link ID: 54673 +2
Karma: 19757 Posts: 907/1100 Since: 04-02-13	The actual save file has three of those, a header, minigame saves and save backups

shibboleet	Posted on 02-02-17, 04:15 pm (rev. 1 by shibboleet on 02-02-17, 04:15 pm) Hi. Link ID: 54849 +0
Mole Normal user Karma: 2013 Posts: 239/359 Since: 07-08-12	What's odd is that the entries for star coins per-level are not...right. It seems that toad houses and cannons are marked as 0xD7 (all 3 star coins)

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