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$701CD6
|
96 bytes |
Sprite Table |
24 2-word entries, one sprite per:
Word 1: Hitbox X center position (X + offset)
Word 2: Hitbox Y center position (Y + offset) |
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$701D36
|
96 bytes |
Sprite Table |
24 4-byte entries, one sprite per:
Byte 1: Slot # of sprite currently colliding with + 1, $FF for Yoshi
Byte 2: ?? (something with most recent collision)
Byte 3: Collision state: $00 = May collide with Yoshi's body/tongue/other sprites, $01 = May not collide with Yoshi's body/other sprites but can be tongued, beyond $01 = Cannot collide with Yoshi/sprites, counts down until $01 to enable tongue collision
Byte 4: ?? (used only for special purposes) |
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$701D96
|
96 bytes |
Sprite Table |
24 2-word entries, one sprite per:
Word 1: Timer of being frozen from ice melon, counts down
Word 2: Unused (most likely) |
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$701DF6
|
2 bytes |
Misc. |
Size of current egg inventory in bytes (eggs/keys * 2) |
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$701DF8
|
12 bytes |
Misc. |
Current egg inventory sprite indices, 2 bytes per |
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$701E04
|
2 bytes |
Misc. |
Super Baby Mario timer: counts down |
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$701E06
|
1 byte |
Misc. |
"Show hidden items" flag |
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$701E08
|
2 bytes |
Layer 1 Tilemap |
Dynamic block bitflags:
$0008: !-switch blocks on
$0010: Baby Mario blocks on |
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$701E0A
|
2 bytes |
Flag |
Camera Y centers on Yoshi |
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$701E0C
|
1 byte |
Misc. |
Camera X subpixel |
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$701E0D
|
1 byte |
Misc. |
Camera X pixels moved this frame |
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$701E0E
|
1 byte |
Misc. |
Camera Y subpixel |
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$701E0F
|
1 byte |
Misc. |
Camera Y pixels moved this frame |
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$701E10
|
2 bytes |
Misc. |
Previous frame value for Yoshi's X subpixel |
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$701E12
|
2 bytes |
Misc. |
Previous frame value for Yoshi's X position |
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$701E14
|
2 bytes |
Misc. |
Previous frame value for Yoshi's Y subpixel |
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$701E16
|
2 bytes |
Misc. |
Previous frame value for Yoshi's Y position |
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$701E18
|
2 bytes |
Misc. |
Minimum left side camera X boundary (screen stoppers and other things can change this) |
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$701E1A
|
2 bytes |
Misc. |
Maximum right side camera X boundary (screen stoppers and other things can change this) |
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$701E1C
|
2 bytes |
Misc. |
Minimum upper camera Y boundary |
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$701E1E
|
2 bytes |
Misc. |
Maximum lower camera Y boundary |
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$701E20
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2 bytes |
Misc. |
Camera X window minimum (+ 24 = maximum), set to $30 if Yoshi facing right (left side) and $A8 for facing left (right side) |
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$701E22
|
2 bytes |
Misc. |
Camera Y window minimum (+ 8 = maximum), set to $10 for top, $A0 for bottom |
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$701E24
|
2 bytes |
Misc. |
Frame counter for pressing up/down buttons to scroll the screen up or down, increments, starts scrolling at $10 |
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$701E26
|
2 bytes |
Misc. |
X distance traveled by autoscroller, subpixel (high byte is spillage) |
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$701E28
|
2 bytes |
Misc. |
Current autoscroll X velocity, in pixels & subpixels |
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$701E2A
|
2 bytes |
Flag |
Indicates that a camera event is active & pausing the game (stairs, flower vine, etc.) |
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$701E38
|
2 bytes |
Misc. |
Camera Y speed during camera event (stairs, etc.) |
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$701E3E
|
2 bytes |
Sprite Number |
Sprite slot # (+ 1) of spinning 3D plank sprite (sprite ID $039) that Yoshi is currently standing on, $0000 if not standing on these |
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$701E40
|
2 bytes |
Misc. |
Current "angle" of the pseudo-3D platforms (e.g. falling walls, rolling logs) currently being processed. |
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$701E42
|
2 bytes |
Misc. |
X position of the pseudo-3D platform (e.g. falling walls, rolling logs) currently being processed + 8. |
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$701E48
|
2 bytes |
Misc. |
$0000: Baby Mario is on Yoshi's back, $FFFF: not |
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$701E4A
|
2 bytes |
Sprite Number |
Overwrite ambient sprite slot # ($0000~$003C) to use when spawning an ambient and the tables are full, spawn at this slot - 4 (if < 0, wraparound to $003C) |
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$701ECC
|
2 bytes |
Super FX |
Dynamic Super FX graphics tiles ($5C00-$5D00 VRAM) currently used/reserved, each bit corresponds to a 16x16 chunk within the full space, 1 means currently used, 0 means free
Each nibble of this word corresponds to a 32x32 piece, and then row-major starting at top left, so the full thing is %1234123412341234 where:
1 = top left
2 = top right
3 = bottom left
4 = bottom right |
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$701ECE
|
32 bytes |
Super FX |
Sprites' dynamic Super FX graphics reserved chunks, 16 word-sized entries, each one represents which 16x16 chunks of graphics that a particular sprite personally has reserved for it, follows same format as $701ECC, acts as a mask so all 0 bits means this sprite is not using that chunk, the dynamic tile index indexes into this |
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$701EEE
|
2 bytes |
Misc. |
Camera X offset value during Offset-Per-Tile mode |
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$701EF0
|
2 bytes |
Misc. |
Camera Y offset value during Offset-Per-Tile mode |
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$701EF2
|
64 bytes |
Misc. |
Offset per tile mode X offsets: 32 word-sized X offsets, one per screen 8-pixel row, starting at top of screen |
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$701F32
|
64 bytes |
Misc. |
Offset per tile mode Y offsets: 32 word-sized Y offsets, one per screen 8-pixel column, starting at left side of screen |
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$701F72
|
80 bytes |
Layer 1 Tilemap |
Effects table for wavy BG1 (like in 6-4 log ride lava), 20 4-byte entries, each entry represents a rectangle in the map which triggers the wavy effect:
Byte 1: Leftmost X tile (all coordinates and sizes are 16 pixel tile regions of the entire area) of rectangle
Byte 2: Topmost Y tile
Byte 3: Width of rectangle - 1
Byte 4: Height - 1
NOTE: when triggered, X will be per-column but Y will activate for the entire height of the screen |
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$701FE8
|
2 bytes |
Timer |
Timer for fuzzy dizzy effect, starts at $400 |
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$701FEA
|
2 bytes |
Player Physics |
Cross section state, in conjunction with cross section flag:
Upon entering:
$0001: overlay fade out
$0002: does nothing
$0003: does nothing
$0004: palette fading (unused?)
$0005: done
$0006: unused
$0007: unused
Upon leaving:
$0001: does nothing
$0002: palette fading (unused?)
$0003: copy BG1 left tilemap
$0004: copy BG1 right tilemap
$0005: dump to BG3
$0006: overlay fade in
$0007: done |
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$701FEC
|
2 bytes |
Flag |
Inside cross section: $0000: not inside, $0002: inside |
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$702000
|
512 bytes |
Misc. |
CGRAM mirror table (palettes) |
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$702200
|
1024 bytes |
Misc. |
Lookup table for function y = 1/x, mirrors $00E552-$00E951
Used by GSU to divide. It does not have a hardware divide so this lookup table is used instead. |
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$702600
|
3 bytes |
Misc. |
Pointer to sprite level data for current level |
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$702604
|
32 bytes |
Misc. |
Newly spawned column of BG3 cross section tiles, SNES VRAM tilemap format ($01CE = blank tile) |
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$702624
|
32 bytes |
Misc. |
Mirror of $702604 |
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$702644
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64 bytes |
Misc. |
Newly spawned row of BG3 cross section tiles, SNES VRAM tilemap format ($01CE = blank tile) |
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$7027CE
|
252 bytes |
Misc. |
Newly spawned sprites this frame, up to 31 8-byte entries, with 4 bytes extra for a possible "end marker" (first word being negative indicates to go no further in the table):
Word 1: Sprite ID (gets put into $701360)
Word 2: X coordinate
Word 3: Y coordinate
Word 4: Stage ID, background layer, sprite priority (gets put into $7014A0) |
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$7028CA
|
256 bytes |
Misc. |
Stage sprites' spawning flags, 1-byte entries indexed by their stage ID ($00-$FF, same as in $7014A0 table):
$00: Not spawned in currently, ready to spawn when column/row is reached
$FF: Do not spawn: this either means the sprite is currently spawned in or is destroyed like enemy swallowed |
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$7029CA
|
2 bytes |
Misc. |
Pointer into next free entry of $7029CC table |
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$7029CC
|
928 bytes |
Misc. |
Sprite interactive terrain buffer - mostly used for sprites that break sand, each sprite has 5 entries representing left, right, center, top, and bottom; room for up to 23 sprites, plus one additional entry; 8-byte entries:
Word 1: X coordinate
Word 2: Y coordinate
Word 3: ???
Word 4: ??? |
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$703372
|
420 bytes |
Misc. |
HDMA BG Scroll Buffer, gets copied to $7E5040 |
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$703516
|
420 bytes |
Misc. |
HDMA BG Scroll Buffer, gets copied to $7E51E4 |
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$703A02
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840 bytes |
Misc. |
Window 1 & 2 (registers $2126-$2129) Buffer, gets copied to $7E56D0 |
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$704070
|
2 bytes |
Misc. |
Current message box data index |
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$70409E
|
1024 bytes |
Misc. |
Table of MAP16 indices that represents the currently loaded two BG1 foreground tiles (two screens side by side, even & odd x-wise), orientation is based on scroll values |
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$70449E
|
120 bytes |
Misc. |
Offset per tile moving object table, 20 6-byte entries, each entry represents a rectangle in the map which triggers an OPT effect that oscillates up & down (like 6-4 moving platforms):
Byte 1: Leftmost X tile of rectangle (all coordinates and sizes are 8 pixel tile coords)
Byte 2: Topmost Y tile
Byte 3: Width of rectangle - 1
Byte 4: Height - 1
Byte 5: Amplitude of oscillation: # of pixels the object travels both up and down from its normal position in stage, this value is signed which indicates initial movement direction
Byte 6: Current offset of object
NOTE: when triggered, X will be per-column but Y will activate for the entire height of the screen |
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$705800
|
8192 bytes |
Misc. |
Buffer used for decompressed file destination/pixel plotting destination; varies in size but up to 8kb |
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$707800
|
1024 bytes |
Misc. |
Practically free SRAM
Only cleared on boot and all scenes with Island graphics |
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$707C00
|
2 bytes |
Misc. |
Save file 1: # of lives (from last save) |
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$707C02
|
1 byte |
Misc. |
Save file 1: Last level beaten |
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$707C03
|
72 bytes |
Misc. |
Save file 1: Level high scores, 1 byte per map tile, format: csssssss, c = level completed, s = high score |
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$707C4B
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27 bytes |
Misc. |
Save file 1: Pause menu items, 1 byte per item, same format as $7E0357 |
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$707C66
|
1 byte |
Misc. |
Save file 1: Controller settings, same format as $700082 |
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$707C67
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1 byte |
Misc. |
Save file 1: Tutorial message box bitflags, same format as $7E0372 |
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$707C68
|
2 bytes |
Misc. |
Save file 2: # of lives (from last save) |
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$707C6A
|
1 byte |
Misc. |
Save file 2: Last level beaten |
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$707C6B
|
72 bytes |
Misc. |
Save file 2: Level high scores, 1 byte per map tile, format: csssssss, c = level completed, s = high score |
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$707CB3
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27 bytes |
Misc. |
Save file 2: Pause menu items, 1 byte per item, same format as $7E0357 |
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$707CCE
|
1 byte |
Misc. |
Save file 2: Controller settings, same format as $700082 |
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$707CCF
|
1 byte |
Misc. |
Save file 2: Tutorial message box bitflags, same format as $7E0372 |
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$707CD0
|
2 bytes |
Misc. |
Save file 3: # of lives (from last save) |
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$707CD2
|
1 byte |
Misc. |
Save file 3: Last level beaten |
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$707CD3
|
72 bytes |
Misc. |
Save file 3: Level high scores, 1 byte per map tile, format: csssssss, c = level completed, s = high score |
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$707D1B
|
27 bytes |
Misc. |
Save file 3: Pause menu items, 1 byte per item, same format as $7E0357 |
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$707D36
|
1 byte |
Misc. |
Save file 3: Controller settings, same format as $700082 |
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$707D37
|
1 byte |
Misc. |
Save file 3: Tutorial message box bitflags, same format as $7E0372 |
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$707D38
|
104 bytes |
Misc. |
Backup of save file 1 |
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$707DA0
|
104 bytes |
Misc. |
Backup of save file 2 |
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$707E08
|
104 bytes |
Misc. |
Backup of save file 3 |
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$707E70
|
6 bytes |
Misc. |
Save file checksums: 2-byte ($7777 - checksum) of save files 1, 2, then 3 |
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$707E76
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6 bytes |
Misc. |
Backup save file checksums: 2-byte ($7777 - checksum) of backup save files 1, 2, then 3 |
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$707E7C
|
2 bytes |
Misc. |
Current / most recent save file loaded in ($0000, $0001, $0002) |
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$707E7E
|
386 bytes |
Misc. |
Unused battery backed up Save RAM
Won't get cleared or changed |
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