Add temp var aliases

src/tv.c

@@ -3384,6 +3384,7 @@ u8 CheckForPlayersHouseNews(void)
 
 void GetMomOrDadStringForTVMessage(void)
 {
+    // If the player is checking the TV in their house it will only refer to their Mom.
     if (gSaveBlock1Ptr->location.mapGroup == MAP_GROUP(LITTLEROOT_TOWN_BRENDANS_HOUSE_1F))
     {
         if (gSaveBlock2Ptr->playerGender == MALE)
@@ -3413,6 +3414,7 @@ void GetMomOrDadStringForTVMessage(void)
     }
     else if (VarGet(VAR_TEMP_3) > 2)
     {
+        // Should only happen if VAR_TEMP_3 is already in use by something else.
         if (VarGet(VAR_TEMP_3) % 2 == 0)
             StringCopy(gStringVar1, gText_Mom);
         else
@@ -3420,6 +3422,9 @@ void GetMomOrDadStringForTVMessage(void)
     }
     else
     {
+        // Randomly choose whether to refer to Mom or Dad.
+        // NOTE: Because of this, any map that has a TV in it shouldn't rely on VAR_TEMP_3.
+        //       If its value is 0, checking the TV will set it to 1 or 2.
         if (Random() % 2 != 0)
         {
             StringCopy(gStringVar1, gText_Mom);