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super_mario_64:level_commands [2017/11/30 23:10] david Added info on command 0x1E |
super_mario_64:level_commands [2025/10/18 21:21] (current) |
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| - | ==== 1C: ?? ==== | + | ==== 1C: Level & Memory Cleanup ==== |
| - | Always follows 0x12 command. Used near end of level layout. | + | |
| ''1C 04 00 00'' | ''1C 04 00 00'' | ||
| + | |||
| + | * Frees data in pool allocated from level script | ||
| + | * Cleanups level related stuff (level objects, pointers, etc) | ||
| + | * Cleanups geometry layout data | ||
| + | * Cleanups all 8 area structs | ||
| + | |||
| + | More detailed notes can be found here: [[https://pastebin.com/raw/GjDsJYqq]] | ||
| ---- | ---- | ||
| Line 330: | Line 336: | ||
| ==== 1E: Allocate Level Data From Pool ==== | ==== 1E: Allocate Level Data From Pool ==== | ||
| + | Allocates data from the pool and reset a couple variables | ||
| ''1E 04 00 00'' | ''1E 04 00 00'' | ||
| - | |||
| - | * Command 0x1E is used to : | ||
| * Reallocates memory for the geometry layout node system. | * Reallocates memory for the geometry layout node system. | ||
| * Allocates 0xDAC0 bytes and stores pointer to 0x8038EE98. Not sure what this is, but it is related to collision. | * Allocates 0xDAC0 bytes and stores pointer to 0x8038EE98. Not sure what this is, but it is related to collision. | ||
| Line 340: | Line 345: | ||
| * Sets halfword at address 0x8036125C to 0. (0x8036125C seems to be just a flag that is set when Mario enters into area #2 of any level) | * Sets halfword at address 0x8036125C to 0. (0x8036125C seems to be just a flag that is set when Mario enters into area #2 of any level) | ||
| * Sets byte at address 0x803613FE to 0. (0x803613FE seems to be a read-only byte that tells you how many red coins Mario has collected so far) | * Sets byte at address 0x803613FE to 0. (0x803613FE seems to be a read-only byte that tells you how many red coins Mario has collected so far) | ||
| + | |||
| + | More detailed notes can be found here: [[https://pastebin.com/raw/XkCfkFyT]] | ||
| ---- | ---- | ||
