Difference between revisions of "Game mode"
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| − | The '''game mode''' is, in simplest terms, what the game is currently doing as its set of routines. For the context of this article, we will consider the game mode as the exact combination of 2 different addresses: {{ | + | The '''game mode''' is, in simplest terms, what the game is currently doing as its set of routines. For the context of this article, we will consider the game mode as the exact combination of 2 different addresses: {{HEXA|10|1}} and {{HEXA|11|1}}, the main module and submodule, respectively. An in-depth understanding of these addresses is not necessary for No Major Glitches categories; however, understanding them at a basic level is helpful for routing and executing any transition-corrupting glitch. |
==Submodule== | ==Submodule== | ||
| − | The submodule is where most of the magic of corruption happens. Fundamentally, | + | The submodule is where most of the magic of corruption happens. Fundamentally, changes to the submodule via super- and subtile transitions are ''incrementations''; i.e. nothing is directly set. For example, an overworld mirror transition is submode {{HEX|23}}. If the mirror were used when the submode was already {{HEX|01}}, then the result would be submode {{HEX|24}}. In fact, this is exactly what happens during a mirror wrap. |
{| class="wikitable" | {| class="wikitable" | ||
Latest revision as of 11:32, 27 August 2021
The game mode is, in simplest terms, what the game is currently doing as its set of routines. For the context of this article, we will consider the game mode as the exact combination of 2 different addresses: $10 and $11, the main module and submodule, respectively. An in-depth understanding of these addresses is not necessary for No Major Glitches categories; however, understanding them at a basic level is helpful for routing and executing any transition-corrupting glitch.
Submodule
The submodule is where most of the magic of corruption happens. Fundamentally, changes to the submodule via super- and subtile transitions are incrementations; i.e. nothing is directly set. For example, an overworld mirror transition is submode 0x23. If the mirror were used when the submode was already 0x01, then the result would be submode 0x24. In fact, this is exactly what happens during a mirror wrap.
| Main module | 0x07 (Underworld)
| |||
|---|---|---|---|---|
| Value | Process | Corruptable? | Corrupted from | Notes |
0x00 |
Default state; player in control | No | ||
0x01 |
Subtile transition | Yes | ||
0x02 |
Supertile transition | Yes | West subtile somarias | |
0x03 |
Star tile hit | No | Somaria Door | See: Overlay corruption |
0x04 |
Unlocking key door | No | West supertile somarias | |
0x05 |
Shutter doors opening/closing | No | Not corruptable, but see § Non-increment corruptions | |
0x06 |
??? | No | ||
0x07 |
Pit transition | No | ||
0x08 |
Auto stairs that go up south to north | No | ||
0x09 |
Cracked wall opening | No | ||
0x0A |
Torch-induced brightening | No | ||
0x0B |
Water drain | No | ||
0x0C |
Water Flood | No | ||
0x0D |
Flood gates | No | ||
0x0E |
Spiral staircase transition | No | ||
0x0F |
Entrance transition | No | ||
0x10 |
Auto stairs that go up north to south | No | ||
0x11 |
??? | |||
0x12 |
Up straight staircase | No | ||
0x13 |
Down straight staircase | No | ||
0x14 |
Damaging pit scroll | No | ||
0x15 |
Telepad | Partially* | ||
0x16 |
Peg switch | No | ||
0x17 |
Pressure plate | No | ||
0x18 |
Crystal fanfare | No | ||
0x19 |
Mirror transition | Yes | ||
0x1A |
Triforce door | No | Subtile Mirror Door | |
| Main module | 0x09 (Overworld)
| |||
| Value | Process | Corruptable? | Corrupted from | Notes |
0x00 |
Default state; player in control | No | ||
0x01 |
Graphics Load | |||
0x02 |
Graphics Again | |||
0x03 |
Map32 to Map16/8 conversion | |||
0x04 |
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0x05 |
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0x06 |
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0x07 |
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0x08 |
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0x09 |
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0x0A |
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0x0B |
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0x0C |
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0x0D |
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0x0E |
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0x0F |
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0x10 |
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0x11 |
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0x12 |
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0x13 |
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0x14 |
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0x15 |
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0x16 |
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0x17 |
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0x18 |
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0x19 |
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0x1A |
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0x1B |
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0x1C |
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0x1D |
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0x1E |
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0x1F |
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0x20 |
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0x21 |
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0x22 |
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0x23 |
Mirror warp | |||
0x24 |
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0x25 |
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0x26 |
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0x27 |
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0x28 |
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0x29 |
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0x2A |
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0x2B |
Pedestal | |||
0x2C |
Mirror bonk | |||
0x2D |
Flute activation | |||
0x2E |
Whirlpool | |||
0x2F |
Whirlpool | |||
* Telepads can be corrupted only with a YBA, but doing so results in a game crash
Non-increment corruptions
LSD Blind
By pressing select, drinking a potion, or opening the map as Blind enters the light in her room, the game may enter submodule 0x05 of main module 0x0E. This will create one or both of the iris wipe used by the Desert prayer and a mesh of vibrant colors replacing most of the game's palettes. The latter only appears to occur on certain frames with the select menu, and it is where the name of this glitch comes from. Using the mirror will begin the mosaic effect, leaving the screen in that filter when it is interrupted. This is caused by the door of the room attempting to close, which sets the submodule directly to 0x05. Since the main/sub module combination of 0x0705 never occurs, this leaves that door open.
Jingle Glitch
- Main article: Jingle glitch
When stairs are used at the same time that shutter doors open or close, the submodule takes on its value of 0x05 directly. The actual execution of most scripts behaves as normal here, but this change does interrupt some data transfer and coordinate functions, leading to the sprite offset and some data spoofing.
