1 files changed, 65 insertions, 0 deletions
diff --git a/arm9/src/unk_020851B8.c b/arm9/src/unk_020851B8.c
new file mode 100644
index 00000000..2615d3fd
--- /dev/null
+++ b/arm9/src/unk_020851B8.c
@@ -0,0 +1,65 @@
+#include "global.h"
+#include "heap.h"
+#include "constants/items.h"
+#include "unk_020851B8.h"
+
+static inline void _clear(u8 *ptr) {
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+    *ptr++ = 0;
+}
+
+THUMB_FUNC struct UnkStruct_020851B8 *FUN_020851B8(u32 heap_id)
+{
+    struct UnkStruct_020851B8 *ptr = AllocFromHeap(heap_id, sizeof(struct UnkStruct_020851B8));
+    _clear((u8 *) ptr);
+    return ptr;
+}
+
+THUMB_FUNC void FUN_020851DC(struct UnkStruct_020851B8 *param0, u32 item_id, BOOL param2)
+{
+    u16 berry_id = item_id - FIRST_BERRY_IDX;
+    FUN_02085200(param0, berry_id);
+
+    if (param2 == TRUE)
+    {
+        param0->unk_8 = berry_id;
+    }
+}
+
+THUMB_FUNC void FUN_020851F8(struct UnkStruct_020851B8 *param0, u8 param1, u8 param2, u8 param3)
+{
+    param0->unk_9 = param1;
+    param0->unk_A = param2;
+    param0->unk_B = param3;
+}
+
+THUMB_FUNC void FUN_02085200(struct UnkStruct_020851B8 *param0, u16 berry_id)
+{
+    u32 index = berry_id / 32;
+    u32 tag = 1 << (berry_id % 32);
+    param0->flags[index] |= tag;
+}
+
+THUMB_FUNC u8 FUN_02085224(struct UnkStruct_020851B8 *param0, u16 berry_id)
+{
+    u32 index = berry_id / 32;
+    u32 tag = 1 << (berry_id % 32);
+
+    return param0->flags[index] & tag ? 1 : 0;
+}
+
+THUMB_FUNC void FUN_0208524C(struct UnkStruct_020851B8 *param0, u8 *param1, u8 *param2)
+{
+    *param1 = param0->unk_9;
+    *param2 = param0->unk_A;
+}