|
$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 |
|
$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 |
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$7E0C1C
|
2 bytes |
Misc. |
Current autoscroll special sprite ID, 0 means no autoscroll active |
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$7E0C1E
|
2 bytes |
Misc. |
Flag: Autoscrolling currently active for camera X |
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$7E0C20
|
2 bytes |
Misc. |
Flag: Autoscrolling currently active for camera Y (1-E and 6-8 flag this off) |
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$7E0C22
|
4 bytes |
Misc. |
Current autoscroll camera X value |
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$7E0C26
|
4 bytes |
Misc. |
Current autoscroll camera Y value |
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$7E0C2A
|
2 bytes |
Misc. |
Current autoscroll X velocity |
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$7E0C2C
|
2 bytes |
Misc. |
Current autoscroll Y velocity |
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$7E0C2E
|
2 bytes |
Misc. |
Current autoscroll checkpoint (index into autoscroller_values table) |
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$7E0C30
|
2 bytes |
Misc. |
Next autoscroll checkpoint X value |
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$7E0C32
|
2 bytes |
Misc. |
Next autoscroll checkpoint Y value |
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$7E0C34
|
2 bytes |
Misc. |
Next autoscroll checkpoint speed value |
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$7E0C36
|
2 bytes |
Misc. |
Autoscroll: next checkpoint X - current camera X (how much is left to go) |
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$7E0C38
|
2 bytes |
Misc. |
Autoscroll: next checkpoint Y - current camera Y (how much is left to go) |
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$7E0C3A
|
2 bytes |
Misc. |
Flag: Currently active gusty generation |
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$7E0C3C
|
2 bytes |
Misc. |
Flag: Currently active Lakitu (at least 1) |
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$7E0C3E
|
2 bytes |
Misc. |
Flag: Currently active fuzzy generation |
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$7E0C44
|
2 bytes |
Misc. |
Previous camera X value used by fuzzy generator |
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$7E0C46
|
2 bytes |
Misc. |
Flag: Currently active Poochy |
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$7E0C48
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2 bytes |
Misc. |
Flag: Currently active bat generation |
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$7E0C4A
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2 bytes |
Misc. |
Current generated bat count |
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$7E0C4C
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2 bytes |
Misc. |
Flag: Currently active unknown special sprite |
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$7E0C68
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2 bytes |
Misc. |
Flag: Currently active Fire Lakitu (at least 1) |
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$7E0C6A
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2 bytes |
Misc. |
Flag: Currently active Flutter generation |
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$7E0C6E
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2 bytes |
Misc. |
Flag: Currently active Nipper Spore generation |
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$7E0C70
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2 bytes |
Misc. |
Flag: Currently active balloon with pokey ball generation |
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$7E0C72
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2 bytes |
Misc. |
Flag: Currently active balloon with missile generation |
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$7E0C74
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2 bytes |
Misc. |
Flag: Currently active balloon generation |
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$7E0C76
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2 bytes |
Misc. |
Flag: Currently active yellow platform generation |
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$7E0C78
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2 bytes |
Misc. |
Flag: Currently active Slime Drop generation |
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$7E0C7C
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2 bytes |
Misc. |
Flag: Currently active unknown special sprite 3 |
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$7E0C7E
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2 bytes |
Misc. |
Flag: Currently active unknown special sprite 4 |
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$7E0C80
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2 bytes |
Player Physics |
Tongue X position, relative to Yoshi |
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$7E0C82
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2 bytes |
Player Physics |
Tongue Y position, relative to Yoshi |
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$7E0C98
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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) |
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$7E0CB0
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2 bytes |
Misc. |
Camera Y offset from shaking (either large or small) |
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$7E0CCC
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2 bytes |
Timer |
Damage recoil timer, disables left and right if not zero. |
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$7E0CEC
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2 bytes |
Timer |
! switch timer, starts off at $0280, counts down |
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$7E0CFD
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2 bytes |
Misc. |
Timer for offset-by-tile level modes
Controls for example moving platforms in 6-4 |
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$7E0CFF
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2 bytes |
Misc. |
Amplitude of fuzzy offset-per-tile sinewave |
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$7E0D01
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2 bytes |
Misc. |
Positional offset of fuzzy offset-per-tile sinewave |
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$7E0D03
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2 bytes |
Timer |
Current time value for fuzzy palette morphing effect |
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$7E0D05
|
1 byte |
Boss |
Raphael Boss fight rotation value
$00 to $FF (whole loop) |
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$7E0D09
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2 bytes |
Misc. |
Background gradient Y scroll, lower part |
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$7E0D0B
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2 bytes |
Misc. |
Background gradient Y scroll, upper part |
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$7E0D0F
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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) |
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$7E0D19
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2 bytes |
Misc. |
Message Box: size of transitional black square as it grows |
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$7E0D21
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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 |
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$7E0D37
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2 bytes |
Misc. |
Background wave effect (fuzzy): amplitude of horizontal wave |
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$7E0D39
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2 bytes |
Misc. |
Background wave effect (fuzzy): amplitude of vertical wave |
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$7E0DAE
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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 |
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$7E0DB0
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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 |
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$7E0E2F
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1 byte |
Misc. |
4 Red Toadies: counter of how many have grabbed Baby Mario |
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$7E0E31
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1 byte |
Misc. |
4 Red Toadies: counter of how many are currently active/spawned |
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$7E0E33
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1 byte |
Misc. |
4 Red Toadies: Currently active (at least one) |
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$7E0E37
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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 |
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$7E0E49
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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 |
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$7E0FBD
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2 bytes |
Timer |
Mirror of $701974 (frame counter) only when Green spiked platform (sprites $15F) is active. |
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$7E0FBF
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2 bytes |
Timer |
Mirror of $701974 (frame counter) only when Red spiked platform (sprite $160) is active. |
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$7E105C
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1 byte |
Boss |
Raphael the Raven: Y coordinate (relative to moon surface) |
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$7E105D
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1 byte |
Boss |
Raphael the Raven: X coordinate (relative to wrapping around moon) |
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$7E105E
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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) |
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$7E1060
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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. |
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$7E1062
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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). |
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$7E1066
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1 byte |
Boss |
Bigger Boo: flag for taking damage (growing) |
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$7E1068
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2 bytes |
Boss |
Big Bowser: Z coordinate (depth) |
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$7E106C
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2 bytes |
Boss |
Big Bowser: horizontal position.
Raphael the Raven: Y velocity |
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$7E1070
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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. |
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$7E1074
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2 bytes |
Boss |
Big Bowser: flag indicating he is being hit by an egg right now, instantly clears |
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$7E1076
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2 bytes |
Boss |
Hookbill: graphics scaling value (X axis)
Bowser: damage counter, fight ends at $0007 |
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$7E1078
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2 bytes |
Boss |
Hookbill: graphics scaling value (Y axis) |
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$7E1082
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2 bytes |
Boss |
Naval Piranha: health, starts with #$0003, dies on #$0000 |
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$7E10DA
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2 bytes |
Player Physics |
Debug flag for free Yoshi movement |
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$7E1109
|
1 byte |
Coordinate |
World Map: Cursor X-position |
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$7E110A
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1 byte |
Coordinate |
World Map: Cursor Y-position |
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$7E110C
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1 byte |
Coordinate |
World Map: Cursor next X-position to be reached |
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$7E110D
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1 byte |
Coordinate |
World Map: Cursor next Y-position to be reached |
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$7E1112
|
1 byte |
Level Number |
World Map: current level/option slot. Sets the level index ($7E021A) if you select one. |
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$7E1117
|
1 byte |
Map |
World Map: Current World selected * 2. Sets the world number ($7E0218). |
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$7E1125
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2 bytes |
Map |
Current Yoshi formation in world map. Values follow world number ($7E0218) format. |
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$7E112E
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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. |
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$7E11B6
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2 bytes |
Timer |
Beginning story cutscene: Number of frames left (counts down) to display current text before fading out |
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$7E11B8
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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 |
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$7E11BA
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2 bytes |
Misc. |
Beginning story cutscene: Current text (index by 2's into $0FCD56) |
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$7E11BC
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2 bytes |
Misc. |
Beginning story cutscene: BG4 tilemap VRAM destination (for DMA of text) |
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$7E11BE
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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 |
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$7E13FE
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1 byte |
Misc. |
Beginning story cutscene: Current Y scroll destination (index by 2's into $0FCE90) |
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$7E1404
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1 byte |
Misc. |
Beginning story cutscene: Frame timing for current scene/text shown (index into cutscene timer table $0FCEDB) |
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$7E1405
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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) |
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$7E1409
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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. |
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$7E1E00
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832 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
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$7E2340
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7360 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
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$7E4000
|
2 bytes |
Misc. Tilemap |
Bytes until next free entry in tilemap DMA queue |
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$7E4002
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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") |
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$7E4800
|
2 bytes |
Pointer |
Address of last entry in general-purpose DMA queue |
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$7E4802
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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") |
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$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 |
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$7E51E4
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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 |
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$7E56D0
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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 |
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$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 |
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$7E5A98
|
128 bytes |
Misc. |
HDMA Indirect Table 1 (format) |
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$7E5B18
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128 bytes |
Misc. |
HDMA Indirect Table 2 (format) |
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$7E5B98
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128 bytes |
Misc. |
HDMA Indirect Table 3 (format)
Default for Channel 4 (BG3 V-scroll (BG2 for OPT)) |
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$7E5C18
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128 bytes |
Misc. |
HDMA Indirect Table 4 (format)
Commonly used for Channel 3 (BG3 H-scroll (BG2 for OPT)) |
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$7E5C98
|
128 bytes |
Misc. |
HDMA Indirect Table 5 (format)
Commonly used for Channel 2 (green & red channel of background gradient) |
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$7E5D18
|
128 bytes |
Misc. |
HDMA Indirect Table 6 (format)
Commonly used for Channel 1 (blue channel of background gradient) |
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$7E5D98
|
2 bytes |
Misc. |
Number of bytes Yoshi's in-between level egg inventory items take up (# of items * 2) |
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$7E5D9A
|
12 bytes |
Misc. |
Egg inventory items stored in between levels (not current eggs), 6 words, each one is a sprite ID |
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$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 |
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$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) |
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$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) |
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$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) |
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$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) |
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$7EB8E2
|
1822 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo |
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$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) |
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$7F0000
|
22238 bytes |
Empty |
Unused RAM, cleared (with $00) via DMA during reset as well as before and after Nintendo logo
|
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$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 |
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$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 |
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$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) |
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$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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