YI Memory Map
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Type Enable JavaScript to use multiple regions.	All Addresses Any Misc. ASM Super FX Object Palette Sprite Palette Layer 1 Tilemap Layer 2 Tilemap Layer 3 Tilemap Layer 4 Tilemap Sprite Tilemap Player Tilemap Misc. Tilemap Player Physics Level Data Pointer Music Sprite Number Debug Sound Effect Timer Empty Subroutine Coordinate Level Number Map Cutscene Controller Sprite Physics Bandit Mini-Game Bonus Challenge Boss Pause Screen Text Any Misc. ASM Super FX Object Palette Sprite Palette Layer 1 Tilemap Layer 2 Tilemap Layer 3 Tilemap Layer 4 Tilemap Sprite Tilemap Player Tilemap Misc. Tilemap Player Physics Level Data Pointer Music Sprite Number Debug Sound Effect Sprite Table Timer Empty Subroutine Coordinate Level Number Map Cutscene Controller Sprite Physics Bandit Mini-Game Flag Bonus Challenge Boss Pause Screen Text Any Misc. ASM Super FX Object Palette Sprite Palette Layer 1 Tilemap Layer 2 Tilemap Layer 3 Tilemap Layer 4 Tilemap Sprite Tilemap Player Tilemap Misc. Tilemap Player Physics Level Data Pointer Music Sprite Number Debug Sound Effect Timer Empty Subroutine Coordinate Level Number Map Cutscene Controller Sprite Physics Bandit Mini-Game Bonus Challenge Boss Pause Screen Text Table Graphics Any SNES Register (PPU) SNES Register (APU) SNES Register (Hardware) SNES Register (Controller) SNES Register (DMA) Super FX Register Any Misc. ASM Super FX Object Palette Sprite Palette Layer 1 Tilemap Layer 2 Tilemap Layer 3 Tilemap Layer 4 Tilemap Sprite Tilemap Player Tilemap Misc. Tilemap Player Physics Level Data Pointer Music Sprite Number Debug Sound Effect Timer Empty Subroutine Coordinate Level Number Map Cutscene Controller Sprite Physics Bandit Mini-Game Bonus Challenge Boss Pause Screen Text Table Graphics
Region Hold control to select multiple. Check "All" to select all at once.	RAM SRAM ROM Regs Tweaks All
Type	Any
Description Separate each individual keyword with spaces. Surround a phrase with quotes to look for the exact phrase, or with / to use a PCRE regular expression. Prepend with - to exclude a keyword or phrase, with + to require a whole word or phrase, or with -+ to exclude a whole word or phrase. ? matches any character, * matches any amount of characters.

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SRAM Address	Length	Type	Description	Details
$700000	112 bytes	Super FX	Scratch RAM, used like "registers" for various operations on the Super FX, also used as additional parameters to Super FX routines
$700070	1 byte	Controller	Controller Data 1 (for gamemode 0F): AXLR---- A = A; X = X; L = L; R = R
$700071	1 byte	Controller	Controller Data 2 (for gamemode 0F): byetUDLR b = B; y = Y; e = Select; t = Start; U = up; D = down; L = left, R = right
$700072	1 byte	Controller	Controller Data 1, on press/first frame (for gamemode 0F): AXLR---- A = A; X = X; L = L; R = R
$700073	1 byte	Controller	Controller Data 2, on press/first frame (for gamemode 0F): byetUDLR b = B; y = Y; e = select; t = Start; U = up; D = down; L = left, R = right
$700076	2 bytes	Sound Effect	Mirror of $7E0051 (register $2141) for GSU player control routine, used for transformations
$70007A	2 bytes	Sound Effect	Super FX sound ID, returned by GSU to push into sound queue (play a sound effect)
$700082	1 byte	Controller	Controller settings ($00 = patient; $02 = hasty)
$70008A	2 bytes	Misc.	Yoshi's X subpixel position (high byte is spillage)
$70008C	2 bytes	Misc.	Yoshi's X position
$70008E	2 bytes	Misc.	Yoshi's Y subpixel position (high byte is spillage)
$700090	2 bytes	Misc.	Yoshi's Y position
$700092	2 bytes	Misc.	Pointer to next free slot in OAM buffer
$700094	2 bytes	Misc.	Layer 1 Camera X
$700096	2 bytes	Misc.	Layer 2 Camera X
$700098	2 bytes	Misc.	Layer 3 Camera X
$70009A	2 bytes	Misc.	Layer 4 Camera X
$70009C	2 bytes	Misc.	Layer 1 Camera Y
$70009E	2 bytes	Misc.	Layer 2 Camera Y
$7000A0	2 bytes	Misc.	Layer 3 Camera Y
$7000A2	2 bytes	Misc.	Layer 4 Camera Y
$7000A4	2 bytes	Misc.	X position of the leftmost tiles on the screen
$7000A6	2 bytes	Misc.	Y position of the uppermost tiles on the screen
$7000A8	2 bytes	Misc.	Previous frame Yoshi's X velocity
$7000AA	2 bytes	Misc.	Yoshi's Y velocity
$7000AC	2 bytes	Misc.	Yoshi state: $0000: Regular (player control) $0002: Cutscenes; screen transition (pipe going right) $0003: In screen transition (pipe going left) $0004: In screen transition (pipe going down); in prologue cutscene (Baby Mario mounted) $0005: In screen transition (pipe going up) $0006: Entering/exiting pipe; in transition (pipe going right) $0007: In screen transition (pipe going left) $0008: In screen transition $0009: In screen transition $000A: Entering door $000E: Dying from spike $0010: Transforming $0012: Smashed by falling wall (sprite $036) $0014: Activating goal $0016: During level intro $0018: Being thrown toward baby mario at end of transformation $001A: Dying in pit / inside piranha plant / receiving boss key / shrinking during Prince Froggy $001C: During prologue cutscene $001E: Pushed away in Raphael Cutscene $0020: Entering Raphael Boss room (moon) $0022: Entering keyhole during boss key cutscene $0028: Dying from lava $002A: Being ejected vertically (after transition)
$7000AE	2 bytes	Misc.	Yoshi form: $0000: Yoshi $0002: Car Yoshi $0004: Mole Yoshi $0006: Helicopter Yoshi $0008: Train Yoshi $000A: Mushroom Yoshi (Beta) $000C: Sub Yoshi $000E: Ski Yoshi $0010: Super Baby Mario $0012: Plane Yoshi (Beta)
$7000B0	2 bytes	Misc.	Yoshi's X position relative to camera
$7000B2	2 bytes	Misc.	Yoshi's Y position relative to camera
$7000B4	2 bytes	Misc.	Yoshi's X velocity
$7000B6	2 bytes	Misc.	Angle of ground Yoshi is on
$7000B8	2 bytes	Misc.	Angle of terrain slope that Yoshi's top is colliding with
$7000BA	2 bytes	Misc.	Angle of terrain slope that Yoshi's middle part is colliding with
$7000BC	2 bytes	Misc.	Angle of terrain slope that Yoshi's bottom part is colliding with
$7000BE	2 bytes	Misc.	Yoshi's current animation frame
$7000C0	2 bytes	Player Physics	Yoshi's jump state: $0006: Jumping $0007: Peak of jump $0008: Falling
$7000C2	2 bytes	Player Physics	Yoshi's ducking state: $0000: not ducking $0001-$0004: mid-duck / mid-duck release $0005: fully ducked
$7000C4	2 bytes	Misc.	Yoshi facing direction ($0000: right, $0002: left)
$7000C6	2 bytes	Player Physics	Yoshi swimming state: $0000: not swimming $0001: landing in water, no player control $0002: feet up briefly after landing $0003: swimming
$7000CC	1 byte	Misc.	Direction player last accelerated from input: $00: not moving $01: right $02: left
$7000CE	2 bytes	Flag	$004C: Player is holding Up while on ground, $0000 not
$7000D2	1 byte	Misc.	Yoshi fluttering state: $00: After a flutter, midair $01: Not in a flutter chain: resets to this upon hitting ground or ceiling $02: Begin flutter $04, $06, $08: Mid-flutter states
$7000D3	1 byte	Flag	$80: extended fluttering, $00 not
$7000D4	2 bytes	Misc.	Ground pound state: $0001~$0006: init states $0007: falling $0008~$000B: hitting the ground $000C: fully on ground, other actions enabled
$7000D6	2 bytes	Misc.	Frame counter for holding Down button in air to ground pound. When it reaches $0007, ground pound will initiate. Set to $FFFF when pressing down on ground
$7000DA	2 bytes	Player Physics	Yoshi's stair state/counter, counts down/up in between steps on stairs (only high byte is used): $0800 to $0100 for left-facing stairs $F800 to $FF00 for right-facing stairs
$7000DC	2 bytes	Misc.	Frame counter for pushing yourself against a wall / a pushable sprite. The pushing animation starts at $10, and it loops at $23. NOTE: For pushable sprites, the entire range is +1 so starts at $01, $11 is animation, stops at $24.
$7000DE	2 bytes	Misc.	Egg throwing state (decrements over time): $0007~$000A: init $0006: cursor out, ready to throw $0001~$0005: has been thrown $0000: not throwing
$7000E0	2 bytes	Misc.	Egg cursor distance from Yoshi: Byte 1: Subpixels Byte 2: Pixels
$7000E4	2 bytes	Misc.	Egg cursor X position When spitting an enemy this is used together with player speed to set enemy X-speed
$7000E6	2 bytes	Misc.	Egg cursor Y position When spitting an enemy this is used subtracted with constant $0200 to set enemy y-speed
$7000E8	2 bytes	Misc.	Frame counter for holding the Down button to cancel egg throw (up to $0007 then it cancels)
$7000EA	2 bytes	Flag	$FFFF = Egg cursor locked with L/R, $0000 = not locked
$7000EC	2 bytes	Flag	Egg aiming flag: $FFFF: Have eggs, can aim $0000: No eggs, can't aim $0002: In water, can't aim
$7000EE	2 bytes	Misc.	Egg cursor angle, ranges from $0000 = lowest, to $2E00 = highest
$7000F0	2 bytes	Misc.	Angular velocity of egg cursor (fixed point)
$7000F2	2 bytes	Misc.	How much Yoshi is stumbling during fuzzied state, starts at $00 and increments or decrements by $02 until threshold point, then begins stumbling: $001A: stumble forward threshold $FFE6: stumble backward threshold
$7000F4	2 bytes	Misc.	Direction Yoshi is currently leaning during fuzzied state, relative to Yoshi's current facing: $0002: forward $FFFE: backwards
$7000F6	2 bytes	Misc.	Yoshi idle animation state: $0000: Stepping in place $0002: Blinking $0004: Scratching nose $0006: Turning around
$7000F8	2 bytes	Misc.	Running animation state: alternates between $0000 and $0002 while running pre/post-run: $0000 - $0012, increments by $02
$7000FA	2 bytes	Misc.	Current ground type Yoshi is on: $0000: Ground $0001: Water $0002: ???? $0003: Ice $0004: Snow $0005: Mud
$7000FC	2 bytes	Misc.	Player collision with MAP16 terrain, format: 0000000L lRrTtBMb L = left, head l = left, body R = right, head r = right, body T = top, left half t = top, right half B = bottom, left third M = bottom, middle third b = bottom, right third
$7000FE	2 bytes	Misc.	Player collision with water, same format as $7000FC
$700100	2 bytes	Misc.	Player collision with cross section tiles, same format as $7000FC
$700102	2 bytes	Flag	$0001 when on a Spiky Stake ($0000 means not)
$700104	2 bytes	Misc.	Current door exit type: $0000: Regular door / boss door $0100: Sewer pipe hole (like in 4-E) $FFFF: Bandit mini-game door
$700106	1 byte	Misc.	Pipe entrance/exit transition type: $02 = Going right $04 = Going left $06 = Going down $08 = Going up
$700107	1 byte	Misc.	Pipe entrance/exit transition type: $00 = Vertical, going in pipe $40 = Vertical, coming out of pipe $80 = Horizontal, going in pipe $C0 = Horizontal, coming out of pipe
$700108	2 bytes	Misc.	Distance Yoshi has travelled so far in vertical/horizontal pipe entrance transition, in pixels & subpixels ($ppss), fade & exit begins at $1F00 for both (NOTE: for horizontal it's basically a constant $0080 increase)
$70010A	2 bytes	Misc.	Yoshi's vertical pipe entrance animation state: $0001-$0006: going down a pipe $0001-$0009: going up a pipe
$70010C	2 bytes	Misc.	Yoshi's vertical pipe entrance acceleration: $0100 = 1 subpixel, low byte is subsubpixels
$70010E	2 bytes	Misc.	Before entering pipe: Yoshi's horizontal distance from vertical pipe entrance During pipe entrance transition: Current horizontal position of pipe entrance
$700110	2 bytes	Misc.	While walking on mud/snow: Mirror of $7000F8, used for generating mud/snow particles While sliding on mud: Distance slid, wraps around at $1FFF, used to generate mud splashes
$700112	2 bytes	Misc.	Car transformation wheel extension height, increments by 2, maxes at $0030
$700114	2 bytes	Misc.	Address of ROM graphics (bank $52) to DMA into VRAM at $4200-$43FF: -Yoshi's tongue -Yoshi egg during Super Star Mario -Yoshi during bubble transformation

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