diff --git a/config/regions.tsv b/config/regions.tsv
index 662e63f..463ed23 100644
--- a/config/regions.tsv
+++ b/config/regions.tsv
@@ -552,6 +552,7 @@
 0x800AE268	0x800AE358	src/func_800AE268.c
 0x800AE4DC	0x800AE548	src/func_800AE4DC.c
 0x800AE548	0x800AE574	src/func_800AE548.c
+0x800AE66C	0x800AE6C0	src/func_800AE66C.c
 0x800AE6C0	0x800AE7A0	src/func_800AE6C0.c
 0x800AF1FC	0x800AF20C	src/func_800AF1FC.c
 0x800AF20C	0x800AF260	src/func_800AF20C.c
diff --git a/src/func_800AE66C.c b/src/func_800AE66C.c
new file mode 100644
index 0000000..d963025
--- /dev/null
+++ b/src/func_800AE66C.c
@@ -0,0 +1,17 @@
+/*
+ * func_800AE66C (0x800AE66C..0x800AE6C0, exact extent).
+ * Hypothesis: conditionally dispatch a fixed callback for an indexed entry.
+ * Data meaning and the callback label's role remain unverified. The address-
+ * named label and $6 entry binding reproduce the original's load/call shape.
+ * Verified by exact range comparison and the 758-region whole-binary gate.
+ */
+extern unsigned char **D_80121C00;
+extern void func_8002D0A8(void *, int);
+extern char D_800AE574[];
+
+void func_800AE66C(int unused, int index)
+{
+    register unsigned char *entry __asm__("$6") = D_80121C00[index];
+    if ((entry[0] & 0x20) == 0)
+        func_8002D0A8(D_800AE574, 16);
+}