|
$7E0000
|
48 bytes |
Misc. |
Scratch RAM, used like "registers" for various operations |
|
$7E0030
|
2 bytes |
Timer |
Frame counter |
|
$7E0032
|
3 bytes |
Pointer |
Pointer to level object data |
|
$7E0035
|
1 byte |
Controller |
Controller 1 Data 1, mirror of $7E093C |
|
$7E0036
|
1 byte |
Controller |
Controller 1 Data 2, mirror of $7E093D |
|
$7E0037
|
1 byte |
Controller |
Controller 1 Data 1 on press/first frame, mirror of $7E093E |
|
$7E0038
|
1 byte |
Controller |
Controller 1 Data 2 on press/first frame, mirror of $7E093F |
|
$7E0039
|
2 bytes |
Misc. |
Layer 1 Camera X |
|
$7E003B
|
2 bytes |
Misc. |
Layer 1 Camera Y |
|
$7E003D
|
2 bytes |
Misc. |
Layer 2 Camera X |
|
$7E003F
|
2 bytes |
Misc. |
Layer 2 Camera Y |
|
$7E0041
|
2 bytes |
Misc. |
Layer 3 Camera X (also for World Map) |
|
$7E0043
|
2 bytes |
Misc. |
Layer 3 Camera Y |
|
$7E0045
|
2 bytes |
Misc. |
Layer 4 Camera X |
|
$7E0047
|
2 bytes |
Misc. |
Layer 4 Camera Y |
|
$7E0049
|
4 bytes |
Empty |
Unused RAM, cleared (with $00) during every loading screen |
|
$7E004D
|
2 bytes |
Sound Effect |
Music track to be played - mirror of hardware register $2140 (APU I/O 0) |
|
$7E004F
|
2 bytes |
Sound Effect |
Previous value of $7E004D (if previous == current value of hardware register $2140, do not write to register) |
|
$7E0051
|
2 bytes |
Sound Effect |
Mirror of hardware register $2141 (APU I/O 1, pseudo-noise loop) |
|
$7E0053
|
2 bytes |
Sound Effect |
Sound ID to be played instantly, bypasses the sound queue, directly written to hardware register $2143 |
|
$7E0055
|
2 bytes |
Sound Effect |
Previous value of $7E0053 (if previous == current value in hardware register $2143, do not write to register) |
|
$7E0057
|
2 bytes |
Sound Effect |
Current size of sound queue (capacity 7) |
|
$7E0059
|
16 bytes |
Sound Effect |
Sound effect queue, NOT all sounds currently playing, but instead all sound ID's (1 byte per) to be submitted for play at the current time; each frame the queue index decrements, meaning at most one sound submitted per frame |
|
$7E0069
|
2 bytes |
Map |
World Map: Layer 1 scroll
Mirrored by $7E006D |
|
$7E006B
|
2 bytes |
Misc. |
Yoshi's jump state, mirror of $7000C0 |
|
$7E006D
|
2 bytes |
Map |
World Map: Layer 2 scroll |
|
$7E0072
|
2 bytes |
Map |
World Map: Current stage Yoshi sprite Y coordinate |
|
$7E0073
|
2 bytes |
Misc. |
$0000: Camera is moving right
$0002: Camera is moving left |
|
$7E0075
|
2 bytes |
Misc. |
$0000: Camera moving down
$0002: Camera moving up |
|
$7E0076
|
2 bytes |
Map |
World Map: Current stage Yoshi sprite X coordinate |
|
$7E0077
|
2 bytes |
Misc. |
Flag: A new column has been spawned in |
|
$7E0079
|
2 bytes |
Map |
World Map: X Scroll destination |
|
$7E0079
|
2 bytes |
Misc. |
Flag: A new row has been spawned in |
|
$7E007B
|
2 bytes |
Layer 1 Tilemap |
VRAM foreground tilemap address of most recently loaded column |
|
$7E007D
|
2 bytes |
Layer 1 Tilemap |
VRAM foreground tilemap address of most recently loaded row |
|
$7E007F
|
2 bytes |
Layer 1 Tilemap |
7E007B + 1 (right half of column) |
|
$7E0081
|
2 bytes |
Layer 1 Tilemap |
7E007D with $0400 bit flipped (even/odd counterpart of tilemap row) |
|
$7E0083
|
2 bytes |
Misc. |
Negative camera X column of newly spawned row shifted to: 0000000000cccc00 |
|
$7E0085
|
2 bytes |
Layer 1 Tilemap |
7E007D + $20 (bottom half of row) |
|
$7E0087
|
2 bytes |
Misc. |
Camera X column + 1 of newly spawned row, shifted to: 0000000000cccc00 |
|
$7E0089
|
2 bytes |
Misc. |
Game Over screen state:
$0000: nothing
$0002: fading in
$0004: active
$0006: option chosen
$0008: load title screen |
|
$7E0089
|
2 bytes |
Layer 1 Tilemap |
7E0081 + $20 (second part of even/odd counterpart of tilemap row) |
|
$7E008B
|
2 bytes |
Misc. |
Most recently spawned row's Y coordinate |
|
$7E0091
|
8 bytes |
Misc. |
Game Over screen: Letter rotation values (Y axis), 1 byte per letter, from right to left ('R', 'E', ... 'A', 'G') |
|
$7E0099
|
8 bytes |
Misc. |
Game Over screen: Letter rotation values (X axis), 1 byte per letter, letters from right to left ('R', 'E', ... 'A', 'G') |
|
$7E00A1
|
16 bytes |
Misc. |
Game Over screen: Letter X coordinates, 1 word per letter, from left to right ('G', 'A', .. 'E', 'R') |
|
$7E00B1
|
16 bytes |
Misc. |
Game Over screen: Letter Y coordinates, 1 word per letter, from left to right ('G', 'A', .. 'E', 'R') |
|
$7E00C1
|
2 bytes |
Misc. |
Game Over screen: Scale value (size) of letters |
|
$7E00C3
|
2 bytes |
Misc. |
Game Over screen: Current option selected ($00 = yes, $02 = no) |
|
$7E00C5
|
2 bytes |
Misc. |
Game Over screen: Rotational velocity of letters (both X and Y axes) |
|
$7E00C8
|
2 bytes |
Timer |
Game Over screen: Frame timer (counts down) of waiting before letter rotation restarts |
|
$7E00CA
|
2 bytes |
Timer |
Game Over screen: Frame timer (counts up until $0200) for how long to wait until options appear |
|
$7E00CC
|
53 bytes |
Empty |
Unused RAM, cleared (with $00) during every loading screen |
|
$7E0100
|
1 byte |
Empty |
This area never gets initialized or emptied. |
|
$7E0101
|
15 bytes |
ASM |
Interrupt jumps: NMI jumps to $7E0108, IRQ to $7E010C
Copy of $008140-$00814E |
|
$7E0111
|
7 bytes |
Empty |
This area never gets initialized or emptied. |
|
$7E0118
|
2 bytes |
Misc. |
Game Mode. You can find the list of valid values here. |
|
$7E011B
|
1 byte |
Misc. |
Full Game Mode completion flag
$00: Game Mode still running (set by NMI/IRQ)
$FF: Game Mode complete (set by end of game loop)
|
|
$7E011C
|
1 byte |
Misc. |
NMI & IRQ Mode
$00: Nintendo Logo
$02: Normal Level Mode
$04: Offset-per-tile Level Modes (1-7/6-4)
$06: Island Scenes
$08: Story Cutscene / Credits
$0A: Mode 7 bosses (Hookbill/Raphael)
$0C: World Map
$0E: Bonus & Bandit Games |
|
$7E011D
|
2 bytes |
Misc. |
Mirror of hardware register $210D (BG1 Horizontal Scroll); since this register is write-twice, this is the full 16-bit mirror, it will write $7E011D and then $7E011E |
|
$7E011F
|
2 bytes |
Coordinate |
Mirror of hardware register $210E (BG1 Vertical Scroll); since this register is write-twice, this is the full 16-bit mirror, it will write $7E011F and then $7E0120 |
|
$7E0121
|
1 byte |
Misc. |
Flag for level loading with stage intro text ($02 if true) |
|
$7E0125
|
1 byte |
Misc. |
IRQ Counter
Expected values are 0 to 2 |
|
$7E0126
|
1 byte |
ASM |
Main IRQ Mode
$00: Default
$02: Story Cutscene
$04: Credits
$06: Bonus/Bandit Games |
|
$7E012D
|
1 byte |
Super FX |
SCBR (register $3038) mirror, used by GSU init |
|
$7E012E
|
1 byte |
Super FX |
SCMR (register $303A) mirror, used by GSU init |
|
$7E012F
|
1 byte |
Debug |
(Used by debug routine at $0080F8) Frame advance flag: #$00 = disable frame advance, #$01 = enable frame advance |
|
$7E0130
|
1 byte |
Debug |
(Used by debug routine at $0080F8) Frame advance timer: When L or R is pressed on Controller 2 and frame advance flag at $012F is set, skips game mode code and decrements once per frame until it reaches 0, then next frame runs game mode code for one frame.
Cleared when frame advance flag is set and neither L nor R is pressed on Controller 2. |
|
$7E0131
|
2 bytes |
Timer |
Island: Frame counter |
|
$7E0134
|
2 bytes |
Level Data |
Level header: Background color |
|
$7E0136
|
2 bytes |
Level Data |
Level header: BG1 Tileset |
|
$7E0138
|
2 bytes |
Level Data |
Level header: BG1 Palette |
|
$7E013A
|
2 bytes |
Level Data |
Level header: BG2 Tileset |
|
$7E013C
|
2 bytes |
Level Data |
Level header: BG2 Palette |
|
$7E013E
|
2 bytes |
Level Data |
Level header: BG3 Tileset |
|
$7E0140
|
2 bytes |
Level Data |
Level header: BG3 Palette |
|
$7E0142
|
2 bytes |
Level Data |
Level header: Sprite Tileset |
|
$7E0144
|
2 bytes |
Level Data |
Level header: Sprite Palette |
|
$7E0146
|
2 bytes |
Level Data |
Level header: Level Mode |
|
$7E0148
|
2 bytes |
Level Data |
Level header: Animation Tileset |
|
$7E014A
|
2 bytes |
Level Data |
Level header: Animation Palette |
|
$7E014C
|
2 bytes |
Level Data |
Level header: Background Scrolling |
|
$7E014E
|
2 bytes |
Level Data |
Level header: Music |
|
$7E0150
|
2 bytes |
Level Data |
Level header: Item Memory |
|
$7E0152
|
2 bytes |
Level Data |
Level header: Unused |
|
$7E015F
|
161 bytes |
ASM |
Reserved area for stack. This area never gets initialized or emptied (even upon reset / power on). |
|
$7E0200
|
1 byte |
Misc. |
Screen brightness:
s000bbbb
s = black if set
b = brightness |
|
$7E0201
|
1 byte |
Misc. |
Fade in/out mode
$01 = fade out
$00 = fade in |
|
$7E0203
|
2 bytes |
Misc. |
Mirror of music level header + 1
Used as index for SPC block uploads |
|
$7E0207
|
4 bytes |
Music |
SPC block indices that are currently loaded in ARAM |
|
$7E0212
|
1 byte |
Bonus Challenge |
Bonus game ID:
$00: FLIP CARDS
$02: SCRATCH AND MATCH
$04: DRAWING LOTS
$06: MATCH CARDS
$08: ROULETTE
$0A: SLOT MACHINE |
|
$7E0216
|
2 bytes |
Cutscene |
Flag: Final world unlocked |
|
$7E0218
|
2 bytes |
Misc. |
Current world number (0000 = world 1, 0002 = world 2, etc.) NOTE: 000C isn't a world, but it's used in the final cinema sequence |
|
$7E021A
|
2 bytes |
Level Number |
Current level number, NOTE: not translevel #, just the first level # loaded in from map |
|
$7E0222
|
72 bytes |
Map |
Available tiles on map screen, one byte per level tile:
$00: unavailable
$01: beaten
$80: current (grayed out) |
|
$7E026A
|
78 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
|
$7E02B8
|
72 bytes |
Map |
Current level high scores to be displayed on world map (one byte per level tile) |
|
$7E030E
|
1 byte |
Misc. |
Current save file loaded:
$00: file 1
$02: file 2
$04: file 3 |
|
$7E030F
|
72 bytes |
Map |
Map screen tile graphics, 1-byte indices (local to current world loaded) |
|
$7E0357
|
27 bytes |
Pause Screen |
Items in pause menu, one byte per ID:
$00: free slot
$01: +10 star
$02: +20 star
$03: POW
$04: full egg
$05: magnifying glass
$06: star cloud
$07: green melon
$08: blue melon
$09: red melon |
|
$7E0372
|
2 bytes |
Misc. |
Tutorial message bitflags for 1-1 & 1-2:
bfm00000 00000000, b=first loss of Baby Mario in 1-1, f=first Flower received in 1-1, m=first Middle Ring in 1-2 |
|
$7E0379
|
2 bytes |
Misc. |
Current number of lives, 999 maximum |
|
$7E037B
|
2 bytes |
Misc. |
Current number of coins |
|
$7E037D
|
2 bytes |
Misc. |
Number of deaths in the current level (not translevel), 999 maximum |
|
$7E037F
|
2 bytes |
Misc. |
Number of 1up's collected in the current level (not translevel), 999 maximum |
|
$7E0383
|
2 bytes |
Sprite Palette |
Current Yoshi color, set on level select (goal Yoshi reads this as well):
$0000: Green
$0001: Pink
$0002: Yellow
$0003: Light Blue
$0004: Purple
$0005: Brown
$0006: Red
$0007: Dark Blue |
|
$7E0385
|
2 bytes |
Bonus Challenge |
Flag for bonus challenge for end of level.
$0001 for no bonus.
$FFFF for bonus. |
|
$7E038C
|
2 bytes |
Misc. |
Flag: warp to a different screen rather than start of stage |
|
$7E038E
|
2 bytes |
Misc. |
Current screen exit (index into screen exit data) |
|
$7E0394
|
2 bytes |
Timer |
Counter between ticks for star increase when stars are under 10 |
|
$7E0396
|
2 bytes |
Misc. |
Star count (*10) remaining to be auto-increased by (used by middle ring & items) |
|
$7E0398
|
1 byte |
Pause Screen |
Item currently being used; same item indices as $7E0357 |
|
$7E039A
|
2 bytes |
Pause Screen |
Pause Item in continuous use.
Set by items such as star counter and egg fill to act as a pause until item finished use.
Cleared on item use. |
|
$7E039C
|
1 byte |
Timer |
Frame counter during item use (after unpause) |
|
$7E03A1
|
2 bytes |
Misc. |
first digit of star counter |
|
$7E03A3
|
2 bytes |
Misc. |
second digit of star counter |
|
$7E03A9
|
2 bytes |
Timer |
Frame counter for game modes $0D, $0E (during black cover sliding out), $0F, $10 (inside level, not score screen), and $11. Is paused during pause screen, and is reset upon entering stage and also upon star auto-increase (middle rings & +10 & +20 items). |
|
$7E03AB
|
1 byte |
Misc. |
Flag: Star counter is below 9 (beeping/alarm sounds begin) |
|
$7E03AC
|
2 bytes |
Misc. |
Flag: At least one middle ring has been used in current level (value will be number of middle rings used) |
|
$7E03AE
|
2 bytes |
Misc. |
Flag: Boss has been visited before in current level, used to skip Kamek dialogue |
|
$7E03B0
|
2 bytes |
Misc. |
Flag: Baby Bowser boss has been visited before in current level, used to skip Kamek introduction |
|
$7E03B4
|
2 bytes |
Misc. |
Current number of red coins collected |
|
$7E03B6
|
2 bytes |
Misc. |
Current star count * 10 |
|
$7E03B8
|
2 bytes |
Misc. |
Current number of flowers collected |
|
$7E03BE
|
2 bytes |
Level Data |
Current Item Memory page (0-3) |
|
$7E03C0
|
128 bytes |
Level Data |
Item Memory Page 0:
Vertical bitplane, each word represents a horizontal line (0 = not collected, 1 = collected) |
|
$7E0440
|
128 bytes |
Level Data |
Item Memory Page 1:
Vertical bitplane, each word represents a horizontal line (0 = not collected, 1 = collected) |
|
$7E04C0
|
128 bytes |
Level Data |
Item Memory Page 2:
Vertical bitplane, each word represents a horizontal line (0 = not collected, 1 = collected) |
|
$7E0540
|
128 bytes |
Level Data |
Item Memory Page 3:
Vertical bitplane, each word represents a horizontal line (0 = not collected, 1 = collected) |
|
$7E05C0
|
2 bytes |
Player Physics |
Current index into Yoshi delay buffers |
|
$7E05C2
|
296 bytes |
Player Physics |
Yoshi X Coordinate delay buffer (2 bytes each): last 148 frames of where Yoshi's X was, used by egg inventory items to follow Yoshi |
|
$7E06EA
|
296 bytes |
Player Physics |
Yoshi Y Coordinate delay buffer (2 bytes each): last 148 frames of where Yoshi's Y was, used by egg inventory items to follow Yoshi |
|
$7E093C
|
1 byte |
Controller |
Controller 1 Data 1 (global):
AXLR----
A = A; X = X; L = L; R = R |
|
$7E093D
|
1 byte |
Controller |
Controller 1 Data 2 (global):
byetUDLR
b = B; y = Y; e = Select; t = Start; U = up; D = down; L = left, R = right |
|
$7E093E
|
1 byte |
Controller |
Controller 1 Data 1, on press/first frame (global):
AXLR----
A = A; X = X; L = L; R = R |
|
$7E093F
|
1 byte |
Controller |
Controller 1 Data 2, on press/first frame (global):
byetUDLR
b = B; y = Y; e = Select; t = Start; U = up; D = down; L = left, R = right |
|
$7E0940
|
1 byte |
Controller |
Controller 2 Data 1 (global):
AXLR----
A = A; X = X; L = L; R = R |
|
$7E0941
|
1 byte |
Controller |
Controller 2 Data 2 (global):
byetUDLR
b = B; y = Y; e = Select; t = Start; U = up; D = down; L = left, R = right |
|
$7E0942
|
1 byte |
Controller |
Controller 2 Data 1, on press/first frame (global):
AXLR----
A = A; X = X; L = L; R = R |
|
$7E0943
|
1 byte |
Controller |
Controller 2 Data 2, on press/first frame (global):
byetUDLR
b = B; y = Y; e = Select; t = Start; U = up; D = down; L = left, R = right |
|
$7E0944
|
1 byte |
Controller |
Previous frame controller 1 data 1 (what was previously in $7E093C), used for next frame's on press |
|
$7E0945
|
1 byte |
Controller |
Previous frame controller 1 data 2 (what was previously in $7E093D), used for next frame's on press |
|
$7E0946
|
1 byte |
Controller |
Previous frame controller 2 data 1 (what was previously in $7E0940), used for next frame's on press |
|
$7E0947
|
1 byte |
Controller |
Previous frame controller 2 data 2 (what was previously in $7E0941), used for next frame's on press |
|
$7E0948
|
2 bytes |
Misc. |
Word that stores each color channel's fixed color data intensity (mirror of $2132 for each channel):
0bbbbbgg gggrrrrr
b = blue channel intensity
g = green channel intensity
r = red channel intensity |
|
$7E094A
|
1 byte |
Misc. |
Mirror of hardware register $420C |
|
$7E094B
|
1 byte |
Misc. |
Mirror of hardware register $2101 |
|
$7E094C
|
1 byte |
Misc. |
Mirror of hardware register $212A |
|
$7E094D
|
1 byte |
Misc. |
Mirror of hardware register $212B |
|
$7E094E
|
1 byte |
Misc. |
Mirror of hardware register M7SEL ($211A) |
|
$7E094F
|
2 bytes |
Misc. |
Mirror of hardware register M7A ($211B) |
|
$7E0951
|
2 bytes |
Misc. |
Mirror of hardware register M7B ($211C) |
|
$7E0953
|
2 bytes |
Misc. |
Mirror of hardware register M7C ($211D) |
|
$7E0955
|
2 bytes |
Misc. |
Mirror of hardware register M7D ($211E) |
|
$7E0957
|
2 bytes |
Misc. |
Mirror of hardware register M7X ($211F) |
|
$7E0959
|
2 bytes |
Misc. |
Mirror of hardware register M7Y ($2120) |
|
$7E095B
|
1 byte |
Misc. |
Mirror of hardware register $2106 |
|
$7E095E
|
1 byte |
Misc. |
Mirror of hardware register $2105 |
|
$7E095F
|
1 byte |
Misc. |
Mirror of hardware register $2107 |
|
$7E0960
|
1 byte |
Misc. |
Mirror of hardware register $2108 |
|
$7E0961
|
1 byte |
Misc. |
Mirror of hardware register $2109 |
|
$7E0962
|
1 byte |
Misc. |
Mirror of hardware register $210B |
|
$7E0963
|
1 byte |
Misc. |
Mirror of hardware register $210C |
|
$7E0964
|
1 byte |
Misc. |
Mirror of hardware register $2123 |
|
$7E0965
|
1 byte |
Misc. |
Mirror of hardware register $2124 |
|
$7E0966
|
1 byte |
Misc. |
Mirror of hardware register $2125 |
|
$7E0967
|
1 byte |
Misc. |
Mirror of hardware register $212C |
|
$7E0968
|
1 byte |
Misc. |
Mirror of hardware register $212D |
|
$7E0969
|
1 byte |
Misc. |
Mirror of hardware register $212E |
|
$7E096A
|
1 byte |
Misc. |
Mirror of hardware register $212F |
|
$7E096B
|
1 byte |
Misc. |
Mirror of hardware register $2130 |
|
$7E096C
|
1 byte |
Misc. |
Mirror of hardware register $2131 |
|
$7E0980
|
1 byte |
Timer |
Timer for updating Title Screen animation frames (title wavy effect, island rotating, sprite moving, etc). Each animation frame takes 4 frames to update. |
|
$7E0B0F
|
1 byte |
Pause Screen |
Pause state:
$00: unpaused
$01-12: pause transition states
$13: in pause menu
$14: begin unpausing |
|
$7E0B10
|
1 byte |
Pause Screen |
Flag for pause screen active - instantly turns on when pause pressed, instantly turns off when unpause pressed |
|
$7E0B48
|
2 bytes |
Pause Screen |
Flag that indicates whether or not menu items are disabled. |
|
$7E0B4C
|
2 bytes |
Misc. |
Screen X position of black curtain during player death scene; when it reaches $0400, it resets to $0000 and the Retry screen appears |
|
$7E0B55
|
2 bytes |
Timer |
Mosaic Timer, and one of the many "game frozen" flags: gets set to $10 when touching a fuzzy and counts down once per frame. Controls the mosaic effect (mirrors $7E095B) |
|
$7E0B67
|
2 bytes |
Timer |
Tileset Animation Timer
Different usage per mode |
|
$7E0B7D
|
2 bytes |
Timer |
Idle frame counter; on >= $60 star counter is displayed |
|
$7E0B7F
|
2 bytes |
Misc. |
Frame counter for how long to display the star counter (right after counter changes) |
|
$7E0B81
|
1 byte |
Misc. |
Star counter position: $00 = left side, $01 = right side |
|
$7E0B91
|
96 bytes |
Sprite Number |
24 2-word entries, one sprite per:
Word 1: Sprite ID for sprite to turn into when sprite state is $0006
Word 2: Unused
Special Case:
Goal Ring uses Word 1 and 2 as a timer |
|
$7E0C04
|
8 bytes |
Sprite Number |
Table of all current special sprites' ID's, 4 word-sized entries. $0000 is used as "none"; anything else is assumed to be an ID.
Special sprite ID is a relative ID computed by: (sprite ID) - $01B9 |
|
$7E0C1C
|
2 bytes |
Misc. |
Current autoscroll special sprite ID, 0 means no autoscroll active |
|
$7E0C1E
|
2 bytes |
Misc. |
Flag: Autoscrolling currently active for camera X |
|
$7E0C20
|
2 bytes |
Misc. |
Flag: Autoscrolling currently active for camera Y (1-E and 6-8 flag this off) |
|
$7E0C22
|
4 bytes |
Misc. |
Current autoscroll camera X value |
|
$7E0C26
|
4 bytes |
Misc. |
Current autoscroll camera Y value |
|
$7E0C2A
|
2 bytes |
Misc. |
Current autoscroll X velocity |
|
$7E0C2C
|
2 bytes |
Misc. |
Current autoscroll Y velocity |
|
$7E0C2E
|
2 bytes |
Misc. |
Current autoscroll checkpoint (index into autoscroller_values table) |
|
$7E0C30
|
2 bytes |
Misc. |
Next autoscroll checkpoint X value |
|
$7E0C32
|
2 bytes |
Misc. |
Next autoscroll checkpoint Y value |
|
$7E0C34
|
2 bytes |
Misc. |
Next autoscroll checkpoint speed value |
|
$7E0C36
|
2 bytes |
Misc. |
Autoscroll: next checkpoint X - current camera X (how much is left to go) |
|
$7E0C38
|
2 bytes |
Misc. |
Autoscroll: next checkpoint Y - current camera Y (how much is left to go) |
|
$7E0C3A
|
2 bytes |
Misc. |
Flag: Currently active gusty generation |
|
$7E0C3C
|
2 bytes |
Misc. |
Flag: Currently active Lakitu (at least 1) |
|
$7E0C3E
|
2 bytes |
Misc. |
Flag: Currently active fuzzy generation |
|
$7E0C44
|
2 bytes |
Misc. |
Previous camera X value used by fuzzy generator |
|
$7E0C46
|
2 bytes |
Misc. |
Flag: Currently active Poochy |
|
$7E0C48
|
2 bytes |
Misc. |
Flag: Currently active bat generation |
|
$7E0C4A
|
2 bytes |
Misc. |
Current generated bat count |
|
$7E0C4C
|
2 bytes |
Misc. |
Flag: Currently active unknown special sprite |
|
$7E0C68
|
2 bytes |
Misc. |
Flag: Currently active Fire Lakitu (at least 1) |
|
$7E0C6A
|
2 bytes |
Misc. |
Flag: Currently active Flutter generation |
|
$7E0C6E
|
2 bytes |
Misc. |
Flag: Currently active Nipper Spore generation |
|
$7E0C70
|
2 bytes |
Misc. |
Flag: Currently active balloon with pokey ball generation |
|
$7E0C72
|
2 bytes |
Misc. |
Flag: Currently active balloon with missile generation |
|
$7E0C74
|
2 bytes |
Misc. |
Flag: Currently active balloon generation |
|
$7E0C76
|
2 bytes |
Misc. |
Flag: Currently active yellow platform generation |
|
$7E0C78
|
2 bytes |
Misc. |
Flag: Currently active Slime Drop generation |
|
$7E0C7C
|
2 bytes |
Misc. |
Flag: Currently active unknown special sprite 3 |
|
$7E0C7E
|
2 bytes |
Misc. |
Flag: Currently active unknown special sprite 4 |
|
$7E0C80
|
2 bytes |
Player Physics |
Tongue X position, relative to Yoshi |
|
$7E0C82
|
2 bytes |
Player Physics |
Tongue Y position, relative to Yoshi |
|
$7E0C98
|
24 bytes |
Sprite Number |
Sprite table, 24 entries, one byte per:
A copy of all sprites' states during camera events.
Used as flags to not despawn sprites during camera events (like stairs) |
|
$7E0CB0
|
2 bytes |
Misc. |
Camera Y offset from shaking (either large or small) |
|
$7E0CB2
|
2 bytes |
Misc. |
Falling wall is on-screen flag. Because the game puts two walls five spaces apart (one for the left and another for the right side), this one prevents the game from having two walls being occupied in the same spot. In addition, they use HDMA to draw their graphics and so two separate walls can't co-exist at the same time due to this reason. |
|
$7E0CCC
|
2 bytes |
Timer |
Damage recoil timer, disables left and right if not zero. |
|
$7E0CEC
|
2 bytes |
Timer |
! switch timer, starts off at $0280, counts down |
|
$7E0CFD
|
2 bytes |
Misc. |
Timer for offset-by-tile level modes
Controls for example moving platforms in 6-4 |
|
$7E0CFF
|
2 bytes |
Misc. |
Amplitude of fuzzy offset-per-tile sinewave |
|
$7E0D01
|
2 bytes |
Misc. |
Positional offset of fuzzy offset-per-tile sinewave |
|
$7E0D03
|
2 bytes |
Timer |
Current time value for fuzzy palette morphing effect |
|
$7E0D05
|
1 byte |
Boss |
Raphael Boss fight rotation value
$00 to $FF (whole loop) |
|
$7E0D09
|
2 bytes |
Misc. |
Background gradient Y scroll, lower part |
|
$7E0D0B
|
2 bytes |
Misc. |
Background gradient Y scroll, upper part |
|
$7E0D0F
|
1 byte |
Misc. |
Message box state:
$00: no message box
$01: init
$03: black box growing (opening)
$05: init message
$07: message fading in (from black)
$09: opened, player reading
$0B: message fading out (to black)
$0D: black box shrinking (closing) |
|
$7E0D19
|
2 bytes |
Misc. |
Message Box: size of transitional black square as it grows |
|
$7E0D21
|
6 bytes |
Misc. |
During stage clear transition/wipe, rectangle mask's screen coordinates:
Word 1: left X (low byte), right X (high byte);
Word 2: top Y
Word 3: bottom Y |
|
$7E0D37
|
2 bytes |
Misc. |
Background wave effect (fuzzy): amplitude of horizontal wave |
|
$7E0D39
|
2 bytes |
Misc. |
Background wave effect (fuzzy): amplitude of vertical wave |
|
$7E0DAE
|
2 bytes |
Timer |
Frame counter for holding up while on ground, used for Baby Mario's animation frame, increments by 2 when holding but then on release decays by halving each frame |
|
$7E0DB0
|
2 bytes |
Timer |
Frame counter for holding down while on ground, used for Baby Mario's animation frame, increments by 2 when holding but then on release decays by halving each frame |
|
$7E0DF9
|
2 bytes |
Misc. |
Amount of wooden planks (sprites 0x5E and 0x5F) running. |
|
$7E0E2F
|
1 byte |
Misc. |
4 Red Toadies: counter of how many have grabbed Baby Mario |
|
$7E0E31
|
1 byte |
Misc. |
4 Red Toadies: counter of how many are currently active/spawned |
|
$7E0E33
|
1 byte |
Misc. |
4 Red Toadies: Currently active (at least one) |
|
$7E0E37
|
16 bytes |
Coordinate |
4 Red Toadies: Each Toadie's X positions (4 total) relative to the 4 Toadies base sprite, one toadie per entry:
Byte 1: Subpixel
Byte 2: Position
Byte 3: Screen #
Byte 4: Spillage from carry add for screen |
|
$7E0E49
|
16 bytes |
Coordinate |
4 Red Toadies: Each Toadie's Y positions (4 total) relative to the 4 Toadies base sprite, one toadie per entry:
Byte 1: Subpixel
Byte 2: Position
Byte 3: Screen #
Byte 4: Spillage from carry add for screen |
|
$7E0FBD
|
2 bytes |
Timer |
Mirror of $701974 (frame counter) only when Green spiked platform (sprites $15F) is active. |
|
$7E0FBF
|
2 bytes |
Timer |
Mirror of $701974 (frame counter) only when Red spiked platform (sprite $160) is active. |
|
$7E105C
|
1 byte |
Boss |
Raphael the Raven: Y coordinate (relative to moon surface) |
|
$7E105D
|
1 byte |
Boss |
Raphael the Raven: X coordinate (relative to wrapping around moon) |
|
$7E105E
|
2 bytes |
Boss |
Bigger Boo: scale
Raphael the Raven $7E105E: how far Yoshi is from Raphael (X coordinate around moon)
Raphael the Raven $7E105F: current AI state ($00 - $14) |
|
$7E1060
|
1 byte |
Timer |
Raphael the Raven: timer value - used to control timings of AI events. Decrements each frame, gets reset to either random values or specific values on state changes. |
|
$7E1062
|
1 byte |
Boss |
Raphael the Raven: Facing - $00 for counterclockwise, $02 for clockwise;
Baby Bowser: hit counter, fight ends when the low byte reaches $03 (or any value from $03 to $82). |
|
$7E1066
|
1 byte |
Boss |
Bigger Boo: flag for taking damage (growing) |
|
$7E1068
|
2 bytes |
Boss |
Big Bowser: Z coordinate (depth) |
|
$7E106C
|
2 bytes |
Boss |
Big Bowser: horizontal position.
Raphael the Raven: Y velocity |
|
$7E1070
|
2 bytes |
Boss |
Big Bowser: index for summoning boulders, increments by 2 each boulder, ending in $0008 in the first summon and $000E in the second. |
|
$7E1074
|
2 bytes |
Boss |
Big Bowser: flag indicating he is being hit by an egg right now, instantly clears |
|
$7E1076
|
2 bytes |
Boss |
Hookbill: graphics scaling value (X axis)
Bowser: damage counter, fight ends at $0007 |
|
$7E1078
|
2 bytes |
Boss |
Hookbill: graphics scaling value (Y axis) |
|
$7E1082
|
2 bytes |
Boss |
Naval Piranha: health, starts with #$0003, dies on #$0000 |
|
$7E10DA
|
2 bytes |
Player Physics |
Debug flag for free Yoshi movement |
|
$7E1109
|
1 byte |
Coordinate |
World Map: Cursor X-position |
|
$7E110A
|
1 byte |
Coordinate |
World Map: Cursor Y-position |
|
$7E110C
|
1 byte |
Coordinate |
World Map: Cursor next X-position to be reached |
|
$7E110D
|
1 byte |
Coordinate |
World Map: Cursor next Y-position to be reached |
|
$7E1112
|
1 byte |
Level Number |
World Map: current level/option slot. Sets the level index ($7E021A) if you select one. |
|
$7E1117
|
1 byte |
Map |
World Map: Current World selected * 2. Sets the world number ($7E0218). |
|
$7E1125
|
2 bytes |
Map |
Current Yoshi formation in world map. Values follow world number ($7E0218) format. |
|
$7E112E
|
2 bytes |
Map |
World Map: Current Yoshi selected (which one Baby Mario is mounted), changes when you move between normal levels, not special, bonus, nor options. |
|
$7E11B6
|
2 bytes |
Timer |
Beginning story cutscene: Number of frames left (counts down) to display current text before fading out |
|
$7E11B8
|
2 bytes |
Misc. |
Beginning story cutscene state:
$01 = load next text (into fade in)
$02 = fade in text
$03 = display text (normal)
$04 = load next text (into scroll)
$05 = scroll down to next text part
$06 = fade out text |
|
$7E11BA
|
2 bytes |
Misc. |
Beginning story cutscene: Current text (index by 2's into $0FCD56) |
|
$7E11BC
|
2 bytes |
Misc. |
Beginning story cutscene: BG4 tilemap VRAM destination (for DMA of text) |
|
$7E11BE
|
576 bytes |
Layer 4 Tilemap |
Beginning story cutscene: All possible BG4 tilemap data (text), split into 64-byte chunks which are loaded into VRAM as new text comes in |
|
$7E13FE
|
1 byte |
Misc. |
Beginning story cutscene: Current Y scroll destination (index by 2's into $0FCE90) |
|
$7E1404
|
1 byte |
Misc. |
Beginning story cutscene: Frame timing for current scene/text shown (index into cutscene timer table $0FCEDB) |
|
$7E1405
|
2 bytes |
Timer |
Frame timer (counts down) for beginning story cutscene and rotating island; upon 0, it will fade into the other one (endlessly switching until you load file select menu) |
|
$7E1409
|
1488 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo
NOTE: There's a bug in level loading of Burts Boss room (only room?) where it will do an unintentional read of $7E15A5 (word sized) and use it as a tile. But it's never written to. |
|
$7E1E00
|
832 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
|
$7E2340
|
7360 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
|
$7E4000
|
2 bytes |
Misc. Tilemap |
Bytes until next free entry in tilemap DMA queue |
|
$7E4002
|
2046 bytes |
Misc. Tilemap |
Reserved area for VRAM tilemap DMA queue, processed every frame, split into variable-sized entries, let e = one entry:
e[0:1]: xvvv vvvv vvvv vvvv
x = End of queue marker
v = VRAM destination/source address
e[2:3]: vidt tttt tttt tttt
t = transfer size - 1 (can also act as entry size)
v = column transfer (32 byte increase if set, otherwise 1)
i = Does a fixed transfer if set (init data)
d = Direction, does a read of VRAM if set (otherwise write)
if d == 1 (Read Tilemap):
Read from VRAM address and write to destination
e[4:6]: Long Destination address to write to
if d == 0 and i == 0 (Write Tilemap):
Write to VRAM address using data from entry
e[4:t]: Data to DMA, size same as t
if d == 0 and i == 1 (Init Tilemap):
Write to VRAM address floodfill using data from entry
e[4:5]: Word data to repeat t times
(Queue size doesn't go beyond 182 bytes in vanilla game so roughly 1864 bytes of this are "free") |
|
$7E4800
|
2 bytes |
Pointer |
Address of last entry in general-purpose DMA queue |
|
$7E4802
|
2110 bytes |
Misc. |
Reserved area for general-purpose DMA queue, split into 12-byte entries, let e = one entry:
e[0:1]: VRAM destination address
e[2]: video port control
e[3]: DMA control
e[4]: DMA destination register
e[5:7]: long source address
e[8:9]: DMA size
e[A:B]: address of next entry in queue
(Doesn't go beyond $4999 in vanilla gameplay, so roughly 1700 bytes of this are "free") |
|
$7E5040
|
420 bytes |
Misc. |
HDMA Table for BG3 Vertical scroll (register $2112), OR when OPT is enabled, writes to BG2 Horizontal scroll (register $210F) instead:
1 word entries from top of actual screen to bottom (minus black bars), representing each scanline |
|
$7E51E4
|
420 bytes |
Misc. |
HDMA Table for BG3 Horizontal scroll (register $2111), OR when OPT is enabled, writes to BG2 Vertical scroll (register $2110) instead:
1 word entries from top of actual screen to bottom (minus black bars), representing each scanline |
|
$7E56D0
|
840 bytes |
Misc. |
HDMA Table for Window 1 & 2 ($2126-$2129)
4 bytes per entry, from top of actual screen to bottom (minus black bars), representing each scanline:
Byte 1: Window 1 Left Position
Byte 2: Window 1 Right Position
Byte 3: Window 2 Left Position
Byte 4: Window 2 Right Position |
|
$7E5A18
|
128 bytes |
Misc. |
HDMA Indirect Table 0, native SNES HDMA Indirect format, 3-byte entries:
Byte: rccccccc r = repeat, c = scanline count
Word: Source pointer |
|
$7E5A98
|
128 bytes |
Misc. |
HDMA Indirect Table 1 (format) |
|
$7E5B18
|
128 bytes |
Misc. |
HDMA Indirect Table 2 (format) |
|
$7E5B98
|
128 bytes |
Misc. |
HDMA Indirect Table 3 (format)
Default for Channel 4 (BG3 V-scroll (BG2 for OPT)) |
|
$7E5C18
|
128 bytes |
Misc. |
HDMA Indirect Table 4 (format)
Commonly used for Channel 3 (BG3 H-scroll (BG2 for OPT)) |
|
$7E5C98
|
128 bytes |
Misc. |
HDMA Indirect Table 5 (format)
Commonly used for Channel 2 (green & red channel of background gradient) |
|
$7E5D18
|
128 bytes |
Misc. |
HDMA Indirect Table 6 (format)
Commonly used for Channel 1 (blue channel of background gradient) |
|
$7E5D98
|
2 bytes |
Misc. |
Number of bytes Yoshi's in-between level egg inventory items take up (# of items * 2) |
|
$7E5D9A
|
12 bytes |
Misc. |
Egg inventory items stored in between levels (not current eggs), 6 words, each one is a sprite ID |
|
$7E5DA6
|
2048 bytes |
Misc. |
Cross sections: Full copy of cross section BG3 tile graphics, set only once upon loading cross section levels and then every frame stored to $706800
Chomp Shark: BG3 tilemap animations |
|
$7E65A6
|
2048 bytes |
Layer 1 Tilemap |
BG1 left tilemap mirror used for cross section graphical masking effect (free RAM if not using cross section BG3 header $0A) |
|
$7E6DA6
|
1024 bytes |
Layer 1 Tilemap |
BG1 right tilemap mirror used for cross section graphical masking effect (free RAM if not using cross section BG3 header $0A) |
|
$7E71A6
|
1024 bytes |
Layer 1 Tilemap |
Overlap between $7E6DA6 and $7E75A6, both tilemaps are actually 2048 bytes and this acts as either one depending on when (free RAM if not using cross section BG3 header $0A) |
|
$7E75A6
|
1024 bytes |
Layer 3 Tilemap |
BG3 tilemap mirror (VRAM $3400) used for cross sections (free RAM if not using cross section BG3 header $0A) |
|
$7EB8E2
|
1822 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
|
$7EC000
|
16384 bytes |
ASM |
Copy of $00C000-$00FFFF (Code is never executed with the data bank as $00 for this range; it's always $7E) |
|
$7F0000
|
22238 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo
|
|
$7F56DE
|
438 bytes |
Object Palette |
Blue channel of background gradient ($2132 COLDATA)
Covers entire sublevel (NOT just screen) from top to bottom, one byte per entry, representing every eighth X pixel row in sublevel |
|
$7F5894
|
876 bytes |
Object Palette |
Green & Red channel of background gradient ($2132 COLDATA)
Covers entire sublevel (NOT just screen) from top to bottom, two bytes per entry, representing every eighth X pixel row in sublevel:
Byte 1: Green Channel
Byte 2: Red channel |
|
$7F7E00
|
512 bytes |
Level Data |
All screen exit data for current level, in screen region order ($00-$7F), 4 bytes per exit:
LLLLLLLL XXXXXXXX YYYYYYYY EEEEEEEE
L = Destination Level (between 00 and DD)
X = Destination X-Coordinate
Y = Destination Y-Coordinate
E = Destination Entrance Type (this follows the same format as $7000AC, Yoshi state) |
|
$7F8000
|
32768 bytes |
Layer 1 Tilemap |
Table that holds all foreground MAP16 tile data for the entire sublevel currently loaded. Split up by screen ID's then further into row-major tile #. Data is word-sized MAP16 indices. |
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