Change signedness and add casts to avoid implicit conversion warnings

src/mirage_tower.c

@@ -168,7 +168,7 @@ const struct PulseBlendSettings gMirageTowerPulseBlendSettings = {
     .numColors = 15,
     .delay = 5,
     .numFadeCycles = -1,
-    .maxBlendCoeff = 11,
+    .maxBlendCoeff = -5,
     .fadeType = 1,
     .restorePaletteOnUnload = FALSE,
     .unk7_7 = 1,
@@ -412,10 +412,9 @@ void DoMirageTowerCeilingCrumble(void)
 
 static void WaitCeilingCrumble(u8 taskId)
 {
-    u16 *data = gTasks[taskId].data;
-    data[1]++;
+    u16 *data = (u16 *)gTasks[taskId].data;
     // Either wait 1000 frames, or until all 16 crumble sprites and the one screen-shake task are completed.
-    if (data[1] == 1000 || data[0] == 17)
+    if (++data[1] == 1000 || data[0] == 17)
         gTasks[taskId].func = FinishCeilingCrumbleTask;
 }