Add UBFIX for division by zero in SpriteCB_PokedexListMonSprite

1 files changed, 8 insertions, 0 deletions

diff --git a/src/pokedex.c b/src/pokedex.c
index 516cef6a7..691abd649 100644
--- a/src/pokedex.c
+++ b/src/pokedex.c
@@ -3037,7 +3037,15 @@ static void SpriteCB_PokedexListMonSprite(struct Sprite *sprite)
         u32 var;
 
         sprite->pos2.y = gSineTable[(u8)sprite->data[5]] * 76 / 256;
+        // UB: possible division by zero
+#ifdef UBFIX
+        if (gSineTable[sprite->data[5] + 64] != 0)
+            var = 0x10000 / gSineTable[sprite->data[5] + 64];
+        else
+            var = 0xFFFF;
+#else
         var = 0x10000 / gSineTable[sprite->data[5] + 64];
+#endif //UBFIX
         if (var > 0xFFFF)
             var = 0xFFFF;
         SetOamMatrix(sprite->data[1] + 1, 0x100, 0, 0, var);