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37 lines
1.6 KiB
NASM
37 lines
1.6 KiB
NASM
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[BotW_ExtendedMemory_V208]
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moduleMatches = 0x6267BFD0
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; BotW's heap system is quite complex with heaps being allocated within heaps. This work-in-progress hack only expands the size of a few important heaps
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; Useful functions:
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; CreateHeap (inside other heap) 0x3624FAC and 0x3624108
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; Another CreateHeap function (unknown purpose) 0x30A857C
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0x02C5E660 = lis r9, 0x8B60 ; add 0x50000000 to main gameheap which by default has a fixed size of 0x3B600000. Can't make it larger due to overlay arena being in the way
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SaveAreaHeapSize = 8 * 1024 * 1024; // 8MiB (default is 2312KiB)
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TriggerParamHeapSize = 8 * 1024 * 1024; // 8MiB (default is around 2616KiB)
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HavokMainHeapSize = 80 * 1024 * 1024; // 80MiB (default is 30MiB)
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; GameDataHeap
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0x032015E0 = lis r3, (SaveAreaHeapSize@ha + TriggerParamHeapSize@ha)
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; GameDataHeap -> SaveArea heap
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0x03201A44 = lis r3, SaveAreaHeapSize@ha
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0x03201A5C = addi r3, r3, SaveAreaHeapSize@l
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; GameDataHeap -> TriggerParam
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; Uses the remaining allocatable size of GameDataHeap
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; Heap creation is near 0x03201174
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; HavokMainHeap
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0x037FD6A4 = lis r6, HavokMainHeapSize@ha
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; Overlay arena
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0x030AA5F4 = lis r7, 0x4000 ; expand overlay arena root heap size to 0x40000000 (1GiB) from default 0x1C000000 (448MiB). Can't make it larger due to forground bucket memory being in the way (starts at 0xE0000000)
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; Extra size for overlay arena from rules.txt is 0x24000000 (576MiB)
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; Overlay arena -> FixedHeap
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0x034ED614 = lis r3, 0x0C20 + 0x1000 ; add 256MiB
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; Overlay arena -> MoveableMemoryHeap
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0x034ED66C = lis r3, 0x0FD0 + 0x1000 ; add 256MiB
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