diff --git a/src/battle_anim_effects_1.c b/src/battle_anim_effects_1.c
index e70131f7146..5795161f8db 100644
--- a/src/battle_anim_effects_1.c
+++ b/src/battle_anim_effects_1.c
@@ -3226,9 +3226,6 @@ static void AnimItemSteal_Step3(struct Sprite* sprite)
 // arg 1: initial wave offset
 static void AnimTrickBag(struct Sprite* sprite)
 {
-    int a;
-    int b;
-
     if (!sprite->data[0])
     {
         if (!IsContest())
@@ -3238,13 +3235,7 @@ static void AnimTrickBag(struct Sprite* sprite)
         }
         else
         {
-            a = gBattleAnimArgs[1] - 32;
-            if (a < 0)
-                b = gBattleAnimArgs[1] + 0xDF;
-            else
-                b = a;
-
-            sprite->data[1] = a - ((b >> 8) << 8);
+            sprite->data[1] = (gBattleAnimArgs[1] - 32) % 256;
             sprite->x = 70;
         }
 
@@ -4419,18 +4410,18 @@ static void AnimLockOnTarget_Step6(struct Sprite* sprite)
 static void AnimLockOnMoveTarget(struct Sprite* sprite)
 {
     sprite->oam.affineParam = gBattleAnimArgs[0];
-    if ((s16)sprite->oam.affineParam == 1)
+    if (gBattleAnimArgs[0] == 1)
     {
         sprite->x -= 0x18;
         sprite->y -= 0x18;
     }
-    else if ((s16)sprite->oam.affineParam == 2)
+    else if (gBattleAnimArgs[0] == 2)
     {
         sprite->x -= 0x18;
         sprite->y += 0x18;
         sprite->oam.matrixNum = ST_OAM_VFLIP;
     }
-    else if ((s16)sprite->oam.affineParam == 3)
+    else if (gBattleAnimArgs[0] == 3)
     {
         sprite->x += 0x18;
         sprite->y -= 0x18;
@@ -4443,7 +4434,7 @@ static void AnimLockOnMoveTarget(struct Sprite* sprite)
         sprite->oam.matrixNum = ST_OAM_HFLIP | ST_OAM_VFLIP;
     }
 
-    sprite->oam.tileNum = (sprite->oam.tileNum + 16);
+    sprite->oam.tileNum += 16;
     sprite->callback = AnimLockOnTarget;
     sprite->callback(sprite);
 }
@@ -4485,7 +4476,7 @@ static void AnimBowMon_Step1_Callback(struct Sprite* sprite)
     {
         sprite->data[3] = gBattlerSpriteIds[gBattleAnimAttacker];
         PrepareBattlerSpriteForRotScale(sprite->data[3], ST_OAM_OBJ_NORMAL);
-        sprite->data[4] = (sprite->data[6] = GetBattlerSide(gBattleAnimAttacker)) ? 0x300 : 0xFFFFFD00;
+        sprite->data[4] = (sprite->data[6] = GetBattlerSide(gBattleAnimAttacker)) ? 0x300 : -0x300;
         sprite->data[5] = 0;
     }
 
@@ -5384,7 +5375,7 @@ static void AnimWavyMusicNotes_Step(struct Sprite* sprite)
     u8 index;
 
     sprite->sMoveTimer++;
-    trigIdx = sprite->sMoveTimer * 5 - ((sprite->sMoveTimer * 5 / 256) << 8);
+    trigIdx = (sprite->sMoveTimer * 5) % 256;
     sprite->sX += sprite->sVelocX;
     sprite->sY += sprite->sVelocY;
     sprite->x = sprite->sX >> 4;