1 files changed, 8 insertions, 84 deletions

diff --git a/src/battle/anim/heated_rock.c b/src/battle/anim/heated_rock.c
index 51cfbd007..055960f40 100644
--- a/src/battle/anim/heated_rock.c
+++ b/src/battle/anim/heated_rock.c
@@ -50,101 +50,25 @@ void sub_80D5994(struct Sprite *sprite, s16 x, s16 y)
     sprite->data[5] = y * 8;
 }
 
-#ifdef NONMATCHING
 void sub_80D59B0(struct Sprite *sprite)
 {
     int var1;
-    int var2;
-
     if (++sprite->data[0] > 2)
     {
         sprite->data[0] = 0;
         ++sprite->data[1];
-        sprite->data[3] += ((u16)sprite->data[1] * (u16)sprite->data[1]);
+        var1 = (u16)sprite->data[1] * (u16)sprite->data[1];
+        sprite->data[3] += var1;
     }
 
-    var1 = (u16)sprite->data[4] + (u16)sprite->data[2];
-    sprite->data[2] = var1;
-    var1 = (s16)var1 >> 3;
-    sprite->pos1.x = var1;
-
-    var2 = (u16)sprite->data[5] + (u16)sprite->data[3];
-    sprite->data[3] = var2;
-    var2 = (s16)var2 >> 3;
-    sprite->pos1.y = var2;
+    sprite->data[2] += sprite->data[4];
+    sprite->pos1.x = sprite->data[2] >> 3;
+    sprite->data[3] += sprite->data[5];
+    sprite->pos1.y = sprite->data[3] >> 3;
 
-    if ((u32)((var1 + 8) << 16) > 0x1000000 || var2 < -8 || var2 > 120)
-    {
-        sprite->invisible = 1;
-    }
-}
-#else
-__attribute__((naked))
-void sub_80D59B0(struct Sprite *sprite)
-{
-    asm(".syntax unified\n\
-    push {lr}\n\
-    adds r2, r0, 0\n\
-    ldrh r0, [r2, 0x2E]\n\
-    adds r0, 0x1\n\
-    strh r0, [r2, 0x2E]\n\
-    lsls r0, 16\n\
-    asrs r0, 16\n\
-    cmp r0, 0x2\n\
-    ble _080D59DA\n\
-    movs r0, 0\n\
-    strh r0, [r2, 0x2E]\n\
-    ldrh r0, [r2, 0x30]\n\
-    adds r0, 0x1\n\
-    strh r0, [r2, 0x30]\n\
-    ldrh r0, [r2, 0x30]\n\
-    adds r1, r0, 0\n\
-    muls r1, r0\n\
-    adds r0, r1, 0\n\
-    ldrh r3, [r2, 0x34]\n\
-    adds r0, r3\n\
-    strh r0, [r2, 0x34]\n\
-_080D59DA:\n\
-    ldrh r0, [r2, 0x36]\n\
-    ldrh r1, [r2, 0x32]\n\
-    adds r0, r1\n\
-    strh r0, [r2, 0x32]\n\
-    lsls r0, 16\n\
-    asrs r0, 19\n\
-    strh r0, [r2, 0x20]\n\
-    ldrh r1, [r2, 0x38]\n\
-    ldrh r3, [r2, 0x34]\n\
-    adds r1, r3\n\
-    strh r1, [r2, 0x34]\n\
-    lsls r1, 16\n\
-    asrs r3, r1, 19\n\
-    strh r3, [r2, 0x22]\n\
-    adds r0, 0x8\n\
-    lsls r0, 16\n\
-    movs r1, 0x80\n\
-    lsls r1, 17\n\
-    cmp r0, r1\n\
-    bhi _080D5A10\n\
-    adds r1, r3, 0\n\
-    movs r0, 0x8\n\
-    negs r0, r0\n\
-    cmp r1, r0\n\
-    blt _080D5A10\n\
-    cmp r1, 0x78\n\
-    ble _080D5A1C\n\
-_080D5A10:\n\
-    adds r0, r2, 0\n\
-    adds r0, 0x3E\n\
-    ldrb r1, [r0]\n\
-    movs r2, 0x4\n\
-    orrs r1, r2\n\
-    strb r1, [r0]\n\
-_080D5A1C:\n\
-    pop {r0}\n\
-    bx r0\n\
-    .syntax divided\n");
+    if (sprite->pos1.x < -8 || sprite->pos1.x > 0xf8 || sprite->pos1.y < -8 || sprite->pos1.y > 120)
+        sprite->invisible = TRUE;
 }
-#endif // NONMATCHING
 
 void sub_80D5A20(struct Sprite *sprite)
 {