diff --git a/src/800_b_o0a.c b/src/800_b_o0a.c
index b31c99d1f0..4afbf49e97 100644
--- a/src/800_b_o0a.c
+++ b/src/800_b_o0a.c
@@ -89,4 +89,78 @@ extern u16 func_8002B08C(s32 a0);
 extern u32 func_8002C320(void);
 extern s32 func_8002C3B0(s32 count, u8 *arr);
 
-INCLUDE_ASM("asm/nonmatchings/800_b", func_8002C410);
+extern void PushMatrix();
+extern void PopMatrix();
+extern s32 rand();
+extern s32 getchar();
+
+void func_8002C410(void)
+{
+    func_80059888(0, 0, 0, 0);
+    func_800596F4(0);
+    func_800599B8(0, 0);
+    MoveImage(0, 0, 0);
+    GetClut(0, 0);
+    GetTPage(0, 0, 0, 0);
+    AddPrim(0, 0);
+    func_8005A600(0, 0, 0, 0, 0);
+    SetLineF2(0);
+    SetLineG2(0);
+    SetPolyF3(0);
+    SetPolyFT4(0);
+    SetSemiTrans(0, 0);
+    MulMatrix0(0, 0, 0);
+    func_80048D9C(0, 0);
+    func_80048EAC(0, 0);
+    MulRotMatrix(0);
+    SetMulMatrix(0, 0);
+    SetMulRotMatrix(0);
+    ApplyRotMatrix(0, 0);
+    ApplyRotMatrixLV(0, 0);
+    func_800484EC(0, 0, 0);
+    ApplyMatrixSV(0, 0, 0);
+    ApplyTransposeMatrixLV(0, 0, 0);
+    func_8004978C(0, 0);
+    RotMatrixYXZ(0, 0);
+    func_80049CAC(0, 0);
+    RotMatrixX(0, 0);
+    RotMatrixY(0, 0);
+    RotMatrixZ(0, 0);
+    func_8004901C(0, 0);
+    func_8004974C(0, 0);
+    CompMatrix(0, 0, 0);
+    CompMatrixLV(0, 0, 0);
+    func_8004914C(0);
+    func_800491AC(0);
+    PushMatrix(0);
+    PopMatrix(0);
+    ReadRotMatrix(0);
+    func_8004921C(0, 0);
+    ReadGeomOffset(0, 0);
+    func_800491EC(0);
+    RotTransPers(0, 0, 0, 0);
+    RotTransSV(0, 0, 0);
+    Square12(0, 0);
+    Square0(0, 0);
+    func_800495EC(0, 0, 0);
+    RotTransPers4(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+    RotNclip4(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+    VectorNormalSS(0, 0);
+    func_80047D3C(0);
+    SquareRoot12(0);
+    gteMIMefunc(0, 0, 0, 0);
+    func_80047948(0);
+    func_8004787C(0);
+    csqrt(0);
+    ratan2(0, 0);
+    SsUtKeyOnV(0, 0, 0, 0, 0, 0, 0, 0);
+    SsUtKeyOffV(0);
+    SsGetCurrentPoint(0, 0);
+    func_8005C324(0, 0, 0);
+    func_8005C2C8(0, 0);
+    rand(0);
+    func_8005C4CC(0);
+    getchar(0);
+    func_8005C388(0);
+    strcpy(0, 0);
+}