Yellow Coin

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Yellow Coin
Yellow Coin.gif
Technical Constants
Object Group Level
Coin Value 1
Tangibility Radius 1000
Draw Distance 4000
Hitbox
Interaction Type Coin
Radius 100
Height 64
Down Offset 0
Found In
All Courses
The Castle
Related
Red and Blue Coins

Yellow Coins are objects found in every level. When Mario interacts with a yellow coin, the coin counter increases, Mario is healed, and the coin unloads. When the coin counter reaches 100 while in one of the 15 courses, a 100 Coin Star is spawned above Mario. The amount that the coin counter increases and the amount that Mario is healed is determined by the coin's value, which is 1, 2, or 5 for yellow, red, and blue coins, respectively. Some yellow coins are spawned by Coin Spawners.

Various glitches such as cloning and Time Stop can be used to spawn and collect more coins than there are intended to be in a level.

Coin Duplication

Main article: Cloning

When Mario interacts with a coin, a flag is set which informs the coin to unload when it next updates. When the coin unloads, it marks itself as "collected" so that it does not spawn again when Mario leaves the area and returns. Using cloning or Time Stop, we can prevent the coin from updating, and thus collect it without the coin being marked as "collected". This allows us to spawn the coin again, even after collecting it, effectively duplicating the coin.

In this way it is possible to collect more than the normal number of coins in a level. In several levels, it is possible to increase the coin counter to 999. However, when using cloning by itself, each duplicated coin takes up an object slot in memory. There are only 240 object slots total, and attempting to spawn an additional object once all of them are full will cause the game to freeze.

Collecting more than 255 coins in a level will not increase your in-game high score, however. Due to how the game keeps track of the score, it actually saves mod 256 for the total collected coins.

Maximum Coins per Course

Course Maximum Coins without coin duplication Maximum Coins with duplication (Save-able) Maximum Coins with duplication (within course) Strategies
Save-able courses
Bob-omb Battlefield 146 255 999 Breaking-Disappearing Cork Box Glitch[1] and Ride Cancel[2] (bob-omb cloning is possible, but limited due to object slots)[3]
Whomp’s Fortress 141 255 999 Breaking-Disappearing Cork Box Glitch[4] (cork box cloning is possible, but limited due to object slots)[5]
Jolly Roger Bay 104 104 104[6] No infinite coin glitches are available in this course
Cool, Cool Mountain 154 154 154[7] No infinite coin glitches are available in this course
Big Boo's Haunt 151 151 151[8] No infinite coin glitches are available in this course
Hazy Maze Cave 139 139 139[9] No infinite coin glitches are available in this course
Lethal Lava Land 133 133 133[10] No infinite coin glitches are available in this course
Shifting Sand Land 136 255 999 Breaking-Disappearing Cork Box Glitch[11] (bob-omb and cork box cloning is possible, but limited due to object slots)[12]
Dire, Dire Docks 106 255 999 Water shell cloning (going through the loading point unloads all coin clones)[13][14] and cloning a coin spawners[15]
Snowman's Land 127 255 999 Money-bag duplication[16][17] and collecting a coin and enter an igloo during Time Stop on JP 1.0[18]
Wet-Dry World 152 255 999 Chuckya cloning[19][20] (going through the loading point unloads all coin clones) and cloning a coin spawners
Tall, Tall Mountain 137 255 999 Bob-omb cloning (entering and exiting the slide unloads all coin clones)[21][22] and collecting a coin and enter slide during Time Stop on JP 1.0[23]
Tiny-Huge Island 192 255 999 Piranha Plant glitch[24][25], collecting a coin and enter a pipe/Wiggler's cave during Time Stop on JP 1.0[26], Chuckya cloning and Ride Cancel
Tick Tock Clock 128 255 279[27] No other infinite coin glitches are available, apart from bob-omb cloning, so 279 coins is the maximum coins due to object slots
Rainbow Ride 146 255 290[28] No other infinite coin glitches are available, apart from bob-omb cloning, so 290 coins is the maximum coins due to object slots
Non-saveable courses
Tower of the Wing Cap 63 N/A 63[29] No infinite coin glitches are available in this course
Vanish Cap under the Moat 27 N/A 27[30] No infinite coin glitches are available in this course
Cavern of the Metal Cap 47 N/A 47[31] No infinite coin glitches are available in this course
The Princess's Secret Slide 80 N/A 80[32] No infinite coin glitches are available in this course
The Secret Aquarium 56 N/A 56[33] No infinite coin glitches are available in this course
Wing Mario over the Rainbow 56 N/A 56[34] No infinite coin glitches are available in this course
Bowser in the Dark World 80 N/A 999[35] Whenever Bowser blows fire, there's a chance that some of the flames will spawn a yellow coin. Since he does this attack infinitely, you have the chance to collect infinite coins
Bowser in the Fire Sea 80 N/A 250[36] No other infinite coin glitches are available, apart from bob-omb cloning, so 250 coins is the maximum coins due to object slots (this Bowser doesn't blow fire that makes yellow coins)
Bowser in the Sky 76 N/A 999[37] Same strategy as Bowser in the Dark World

References

  1. "SM64 - The 255 Coin Limit" by pannenkoek2012 (BoB 999 Coins)
  2. "Infinite Coins via Fake Shell" by bad_boot
  3. "SM64 - Bob-omb Battlefield - 255 Coins" by pannenkoek2012
  4. "SM64 - The 255 Coin Limit" by pannenkoek2012 (WF 999 Coins)
  5. "SM64 - Whomp's Fortress - 255 Coins" by pannenkoek2012
  6. "SM64 - Jolly Roger Bay - 104 Coins" by pannenkoek2012
  7. "SM64 - Cool, Cool Mountain - 154 Coins" by pannenkoek2012
  8. "SM64 - Big Boo's Haunt - 151 Coins" by pannenkoek2012
  9. "SM64 - Hazy Maze Cave - 139 Coins" by pannenkoek2012
  10. "SM64 - Lethal Lava Land - 133 Coins" by pannenkoek2012
  11. "SM64 - The 255 Coin Limit" by pannenkoek2012 (SSL 999 Coins)
  12. "SM64 - Shifting Sand Land - 255 Coins" by pannenkoek2012
  13. "SM64 - The 255 Coin Limit" by pannenkoek2012 (DDD 999 Coins)
  14. "SM64 - Dire, Dire Docks - 255 Coins" by pannenkoek2012
  15. "SM64 - Spawning Point Clone" by pannenkoek2012
  16. "SM64 - The 255 Coin Limit" by pannenkoek2012 (SL 999 Coins)
  17. "SM64 - Snowman's Land - 255 Coins" by pannenkoek2012
  18. "SM64 - SL Infinite Coins via Timestop" by Ethan White
  19. "SM64 - The 255 Coin Limit" by pannenkoek2012 (WDW 999 Coins)
  20. "SM64 - Wet-Dry World - 255 Coins" by pannenkoek2012
  21. "SM64 - The 255 Coin Limit" by pannenkoek2012 (TTM 999 Coins)
  22. "SM64 - Tall, Tall Mountain - 255 Coins" by pannenkoek2012
  23. "New Infinite Coin Glitch (JP only)" by 1ted59
  24. "SM64 - The 255 Coin Limit" by pannenkoek2012 (THI 999 Coins)
  25. "SM64 - Tiny-Huge Island - 255 Coins" by pannenkoek2012
  26. "Time Stop Infinite Coins in THI" by 1ted59
  27. "SM64 - The 255 Coin Limit" by pannenkoek2012 (TTC 279 Coins)
  28. "SM64 - The 255 Coin Limit" by pannenkoek2012 (RR 290 Coins)
  29. "SM64 - Tower of the Wing Cap - 63 Coins" by pannenkoek2012
  30. "SM64 - Vanish Cap Under the Moat - 27 Coins" by pannenkoek2012
  31. "SM64 - Cavern of the Metal Cap - 47 Coins" by pannenkoek2012
  32. "SM64 - The Princess's Secret Slide - 80 Coins" by pannenkoek2012
  33. "SM64 - The Secret Aquarium - 56 Coins" by pannenkoek2012
  34. "SM64 - Wing Mario over the Rainbow - 56 Coins" by pannenkoek2012
  35. "SM64 - Bowser in the Dark World - 999 Coins" by pannenkoek2012
  36. "SM64 - Bowser in the Fire Sea - 250 Coins" by pannenkoek2012
  37. "SM64 - Bowser in the Sky - 999 Coins" by pannenkoek2012