Super Mario All-Stars (SNES)/RAM map

The following article is a RAM map for Super Mario All-Stars (SNES).

This article is a work in progress. ...Well, all the articles here are, in a way. But this one moreso, and the article may contain incomplete information and editor's notes.

Taken from SMW Central.

RAM Map

Global

Address    Size    Description
-------    ----    -----------
7E0156      170    Stack RAM. Ends at 7E01FF.
7FFF00        1    The current game being played. Used to run the appropriate NMI and IRQ routines of the games.
                   * 00 - Nintendo presents, hall screen, game select screen, etc.
                   * 02 - Super Mario Bros. 1
                   * 04 - Super Mario Bros. The Lost Levels
                   * 06 - Super Mario Bros. 2
                   * 08 - Super Mario Bros. 3

Super Mario Bros. 1

Address    Size    Description
-------    ----    -----------
7E0000        8    Scratch RAM for many subroutines
7E0008        1    Unused scratch RAM
7E0009        1    Frame Counter
7E000A        3    Player action data.
                   Note that these flags are not mirrors of SNES controller flags.
                   They merely signify which states the player is experiencing.
                   For example, the Jump flag can be set by whatever button maps to jumping.
                   Also, the flag is set only by the controller of the current player.
                   ------
                   7E000A
                   Bit flags: JD000000
                   J - Jump button
                   D - Dash button
                   ------
                   7E000B
                   Bit flags: 0000UD00
                   U - Up button
                   D - Down button
                   ------
                   7E000C
                   Bit flags: 000000LR
                   L - Left flag
                   R - Right flag
7E000D        1    Saves the value of 7E000A (jump/run flags) from the previous frame.
7E000F        1    Player's current action
                   (Entering pipe, fade to image before level, vine, etc.)
                   TODO: verify "Number of subroutines to run in game engine on next frame"
7E0010        8    Sprite onscreen flags
                   Bit 7 = never overwrite sprite slot of current index.
                   Bit 0 = Onscreen flag.

Super Mario Bros. 3

Address    Size    Description
-------    ----    -----------
7E0043        2    Low byte of the player Y position on the overworld. Byte 1 is for Mario, byte 2 is for Luigi
7E0045        2    High byte of the player X position. Alternatively, this can be considered the submap number of the current world the players are on. The first byte is for Mario, while the second is for Luigi.
7E0727        2    Current player's overworld action.