decompile unk_020851B8

1 files changed, 67 insertions, 0 deletions

diff --git a/arm9/src/unk_020851B8.c b/arm9/src/unk_020851B8.c
new file mode 100644
index 00000000..adf8f1ef
--- /dev/null
+++ b/arm9/src/unk_020851B8.c
@@ -0,0 +1,67 @@
+#include "global.h"
+#include "heap.h"
+#include "unk_020851B8.h"
+
+THUMB_FUNC struct UnkStruct_020851B8 *FUN_020851B8(u32 heap_id)
+{
+    struct UnkStruct_020851B8 *ret = (struct UnkStruct_020851B8 *) AllocFromHeap(heap_id, sizeof(struct UnkStruct_020851B8));
+    ret->unk00[0x0] = 0;
+    ret->unk00[0x1] = 0;
+    ret->unk00[0x2] = 0;
+    ret->unk00[0x3] = 0;
+    ret->unk00[0x4] = 0;
+    ret->unk00[0x5] = 0;
+    ret->unk00[0x6] = 0;
+    ret->unk00[0x7] = 0;
+    ret->unk00[0x8] = 0;
+    ret->unk00[0x9] = 0;
+    ret->unk00[0xA] = 0;
+    ret->unk00[0xB] = 0;
+
+    return ret;
+}
+
+THUMB_FUNC void FUN_020851DC(struct UnkStruct_020851B8 *param0, u32 param1, BOOL param2)
+{
+    u16 flag = param1 - 0x95;
+    FUN_02085200((u32*) param0, flag);
+
+    if (param2 == TRUE)
+    {
+        param0->unk00[0x8] = flag;
+    }
+}
+
+THUMB_FUNC void FUN_020851F8(struct UnkStruct_020851B8 *param0, u8 param1, u8 param2, u8 param3)
+{
+    param0->unk00[0x9] = param1;
+    param0->unk00[0xA] = param2;
+    param0->unk00[0xB] = param3;
+}
+
+THUMB_FUNC void FUN_02085200(u32 *param0, u16 param1)
+{
+    u32 index = param1 / 32;
+    u32 tag = 1 << (param1 % 32);
+    u32 value = *(param0 + index);
+    *(param0 + index) = value | tag;
+}
+
+THUMB_FUNC u32 FUN_02085224(u32 *param0, u16 param1) {
+    u32 r2 = 1;
+    u32 index = param1 / 32;
+    u32 tag = 1 << (param1 % 32);
+
+    if (*(param0 + index) & tag)
+    {
+        r2 = 0;
+    }
+
+    return (r2 << 0x18) >> 0x18;
+}
+
+THUMB_FUNC void FUN_0208524C(struct UnkStruct_020851B8 *param0, u8 *param1, u8 *param2)
+{
+    *param1 = param0->unk00[0x9];
+    *param2 = param0->unk00[0xA];
+}