diff --git a/src/battle_anim.c b/src/battle_anim.c
index f086b1c33..f1cff1de2 100644
--- a/src/battle_anim.c
+++ b/src/battle_anim.c
@@ -1933,13 +1933,13 @@ void MoveBattlerSpriteToBG(u8 battlerId, bool8 toBG_2, bool8 setSpriteInvisible)
 
         if (IsContest() == TRUE)
         {
-            RequestDma3Fill(0, (void*)(VRAM + 0x8000), 0x2000, 1);
-            RequestDma3Fill(0xFF, (void*)(VRAM + 0xF000), 0x1000, 0);
+            RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(16)), 0x2000, 1);
+            RequestDma3Fill(0xFF, (void*)(BG_SCREEN_ADDR(30)), 0x1000, 0);
         }
         else
         {
-            RequestDma3Fill(0, (void*)(VRAM + 0x4000), 0x2000, 1);
-            RequestDma3Fill(0xFF, (void*)(VRAM + 0xe000), 0x1000, 0);
+            RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(8)), 0x2000, 1);
+            RequestDma3Fill(0xFF, (void*)(BG_SCREEN_ADDR(28)), 0x1000, 0);
         }
 
         sub_80A6B30(&animBg);
@@ -1978,8 +1978,8 @@ void MoveBattlerSpriteToBG(u8 battlerId, bool8 toBG_2, bool8 setSpriteInvisible)
     }
     else
     {
-        RequestDma3Fill(0, (void*)(VRAM + 0x6000), 0x2000, 1);
-        RequestDma3Fill(0, (void*)(VRAM + 0xF000), 0x1000, 1);
+        RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(12)), 0x2000, 1);
+        RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(30)), 0x1000, 1);
         sub_80A6B90(&animBg, 2);
         CpuFill16(0, animBg.bgTiles + 0x1000, 0x1000);
         CpuFill16(0, animBg.bgTilemap + 0x400, 0x800);
@@ -2452,15 +2452,15 @@ static void LoadMoveBg(u16 bgId)
         LZDecompressWram(tilemap, gDecompressionBuffer);
         sub_80A4720(sub_80A6D94(), (void*)(gDecompressionBuffer), 0x100, 0);
         dmaSrc = gDecompressionBuffer;
-        dmaDest = (void *)(VRAM + 0xD000);
+        dmaDest = (void *)(BG_SCREEN_ADDR(26));
         DmaCopy32(3, dmaSrc, dmaDest, 0x800);
-        LZDecompressVram(gBattleAnimBackgroundTable[bgId].image, (void *)(VRAM + 0x2000));
+        LZDecompressVram(gBattleAnimBackgroundTable[bgId].image, (void *)(BG_SCREEN_ADDR(4)));
         LoadCompressedPalette(gBattleAnimBackgroundTable[bgId].palette, sub_80A6D94() * 16, 32);
     }
     else
     {
-        LZDecompressVram(gBattleAnimBackgroundTable[bgId].tilemap, (void *)(VRAM + 0xD000));
-        LZDecompressVram(gBattleAnimBackgroundTable[bgId].image, (void *)(VRAM + 0x8000));
+        LZDecompressVram(gBattleAnimBackgroundTable[bgId].tilemap, (void *)(BG_SCREEN_ADDR(26)));
+        LZDecompressVram(gBattleAnimBackgroundTable[bgId].image, (void *)(BG_CHAR_ADDR(2)));
         LoadCompressedPalette(gBattleAnimBackgroundTable[bgId].palette, 32, 32);
     }
 }
diff --git a/src/battle_bg.c b/src/battle_bg.c
index 61a914fc9..9ca0f8b84 100644
--- a/src/battle_bg.c
+++ b/src/battle_bg.c
@@ -720,26 +720,26 @@ void DrawMainBattleBackground(void)
 {
     if (gBattleTypeFlags & (BATTLE_TYPE_LINK | BATTLE_TYPE_FRONTIER | BATTLE_TYPE_EREADER_TRAINER | BATTLE_TYPE_x2000000))
     {
-        LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
-        LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+        LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
+        LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
         LoadCompressedPalette(gBattleTerrainPalette_Frontier, 0x20, 0x60);
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_GROUDON)
     {
-        LZDecompressVram(gBattleTerrainTiles_Cave, (void*)(VRAM + 0x8000));
-        LZDecompressVram(gBattleTerrainTilemap_Cave, (void*)(VRAM + 0xD000));
+        LZDecompressVram(gBattleTerrainTiles_Cave, (void*)(BG_CHAR_ADDR(2)));
+        LZDecompressVram(gBattleTerrainTilemap_Cave, (void*)(BG_SCREEN_ADDR(26)));
         LoadCompressedPalette(gBattleTerrainPalette_Groudon, 0x20, 0x60);
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_KYOGRE)
     {
-        LZDecompressVram(gBattleTerrainTiles_Water, (void*)(VRAM + 0x8000));
-        LZDecompressVram(gBattleTerrainTilemap_Water, (void*)(VRAM + 0xD000));
+        LZDecompressVram(gBattleTerrainTiles_Water, (void*)(BG_CHAR_ADDR(2)));
+        LZDecompressVram(gBattleTerrainTilemap_Water, (void*)(BG_SCREEN_ADDR(26)));
         LoadCompressedPalette(gBattleTerrainPalette_Kyogre, 0x20, 0x60);
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_RAYQUAZA)
     {
-        LZDecompressVram(gBattleTerrainTiles_Rayquaza, (void*)(VRAM + 0x8000));
-        LZDecompressVram(gBattleTerrainTilemap_Rayquaza, (void*)(VRAM + 0xD000));
+        LZDecompressVram(gBattleTerrainTiles_Rayquaza, (void*)(BG_CHAR_ADDR(2)));
+        LZDecompressVram(gBattleTerrainTilemap_Rayquaza, (void*)(BG_SCREEN_ADDR(26)));
         LoadCompressedPalette(gBattleTerrainPalette_Rayquaza, 0x20, 0x60);
     }
     else
@@ -749,15 +749,15 @@ void DrawMainBattleBackground(void)
             u8 trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
             if (trainerClass == TRAINER_CLASS_LEADER)
             {
-                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
-                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
+                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
                 LoadCompressedPalette(gBattleTerrainPalette_BuildingLeader, 0x20, 0x60);
                 return;
             }
             else if (trainerClass == TRAINER_CLASS_CHAMPION)
             {
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 LoadCompressedPalette(gBattleTerrainPalette_StadiumWallace, 0x20, 0x60);
                 return;
             }
@@ -767,48 +767,48 @@ void DrawMainBattleBackground(void)
         {
         default:
         case MAP_BATTLE_SCENE_NORMAL:
-            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tileset, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tilemap, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tileset, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tilemap, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainTable[gBattleTerrain].palette, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_GYM:
-            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_BuildingGym, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_MAGMA:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumMagma, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_AQUA:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumAqua, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_SIDNEY:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumSidney, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_PHOEBE:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumPhoebe, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_GLACIA:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumGlacia, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_DRAKE:
-            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_StadiumDrake, 0x20, 0x60);
             break;
         case MAP_BATTLE_SCENE_FRONTIER:
-            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
-            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
+            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
             LoadCompressedPalette(gBattleTerrainPalette_Frontier, 0x20, 0x60);
             break;
         }
@@ -1089,7 +1089,7 @@ void DrawBattleEntryBackground(void)
 {
     if (gBattleTypeFlags & BATTLE_TYPE_LINK)
     {
-        LZDecompressVram(gUnknown_08D778F0, (void*)(VRAM + 0x4000));
+        LZDecompressVram(gUnknown_08D778F0, (void*)(BG_CHAR_ADDR(1)));
         LZDecompressVram(gUnknown_08D77B0C, (void*)(VRAM + 0x10000));
         LoadCompressedPalette(gUnknown_08D77AE4, 0x60, 0x20);
         SetBgAttribute(1, BG_ATTR_SCREENSIZE, 1);
@@ -1108,8 +1108,8 @@ void DrawBattleEntryBackground(void)
     {
         if (!(gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER) || gPartnerTrainerId == TRAINER_STEVEN_PARTNER)
         {
-            LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(VRAM + 0x4000));
-            LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(VRAM + 0xE000));
+            LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(BG_CHAR_ADDR(1)));
+            LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(BG_SCREEN_ADDR(28)));
         }
         else
         {
@@ -1123,18 +1123,18 @@ void DrawBattleEntryBackground(void)
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_GROUDON)
     {
-        LZDecompressVram(gBattleTerrainAnimTiles_Cave, (void*)(VRAM + 0x4000));
-        LZDecompressVram(gBattleTerrainAnimTilemap_Cave, (void*)(VRAM + 0xE000));
+        LZDecompressVram(gBattleTerrainAnimTiles_Cave, (void*)(BG_CHAR_ADDR(1)));
+        LZDecompressVram(gBattleTerrainAnimTilemap_Cave, (void*)(BG_SCREEN_ADDR(28)));
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_KYOGRE)
     {
-        LZDecompressVram(gBattleTerrainAnimTiles_Underwater, (void*)(VRAM + 0x4000));
-        LZDecompressVram(gBattleTerrainAnimTilemap_Underwater, (void*)(VRAM + 0xE000));
+        LZDecompressVram(gBattleTerrainAnimTiles_Underwater, (void*)(BG_CHAR_ADDR(1)));
+        LZDecompressVram(gBattleTerrainAnimTilemap_Underwater, (void*)(BG_SCREEN_ADDR(28)));
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_RAYQUAZA)
     {
-        LZDecompressVram(gBattleTerrainAnimTiles_Rayquaza, (void*)(VRAM + 0x4000));
-        LZDecompressVram(gBattleTerrainAnimTilemap_Rayquaza, (void*)(VRAM + 0xE000));
+        LZDecompressVram(gBattleTerrainAnimTiles_Rayquaza, (void*)(BG_CHAR_ADDR(1)));
+        LZDecompressVram(gBattleTerrainAnimTilemap_Rayquaza, (void*)(BG_SCREEN_ADDR(28)));
     }
     else
     {
@@ -1143,27 +1143,27 @@ void DrawBattleEntryBackground(void)
             u8 trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
             if (trainerClass == TRAINER_CLASS_LEADER)
             {
-                LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(VRAM + 0x4000));
-                LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(VRAM + 0xE000));
+                LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(BG_CHAR_ADDR(1)));
+                LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(BG_SCREEN_ADDR(28)));
                 return;
             }
             else if (trainerClass == TRAINER_CLASS_CHAMPION)
             {
-                LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(VRAM + 0x4000));
-                LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(VRAM + 0xE000));
+                LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(BG_CHAR_ADDR(1)));
+                LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(BG_SCREEN_ADDR(28)));
                 return;
             }
         }
 
         if (GetCurrentMapBattleScene() == MAP_BATTLE_SCENE_NORMAL)
         {
-            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].entryTileset, (void*)(VRAM + 0x4000));
-            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].entryTilemap, (void*)(VRAM + 0xE000));
+            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].entryTileset, (void*)(BG_CHAR_ADDR(1)));
+            LZDecompressVram(gBattleTerrainTable[gBattleTerrain].entryTilemap, (void*)(BG_SCREEN_ADDR(28)));
         }
         else
         {
-            LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(VRAM + 0x4000));
-            LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(VRAM + 0xE000));
+            LZDecompressVram(gBattleTerrainAnimTiles_Building, (void*)(BG_CHAR_ADDR(1)));
+            LZDecompressVram(gBattleTerrainAnimTilemap_Building, (void*)(BG_SCREEN_ADDR(28)));
         }
     }
 }
@@ -1187,11 +1187,11 @@ bool8 LoadChosenBattleElement(u8 caseId)
     case 3:
         if (gBattleTypeFlags & (BATTLE_TYPE_FRONTIER | BATTLE_TYPE_LINK | BATTLE_TYPE_x2000000 | BATTLE_TYPE_EREADER_TRAINER))
         {
-            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
+            LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
         }
         else if (gBattleTypeFlags & BATTLE_TYPE_GROUDON)
         {
-            LZDecompressVram(gBattleTerrainTiles_Cave, (void*)(VRAM + 0x8000));
+            LZDecompressVram(gBattleTerrainTiles_Cave, (void*)(BG_CHAR_ADDR(2)));
         }
         else
         {
@@ -1200,12 +1200,12 @@ bool8 LoadChosenBattleElement(u8 caseId)
                 u8 trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
                 if (trainerClass == TRAINER_CLASS_LEADER)
                 {
-                    LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
+                    LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
                     break;
                 }
                 else if (trainerClass == TRAINER_CLASS_CHAMPION)
                 {
-                    LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                    LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                     break;
                 }
             }
@@ -1214,31 +1214,31 @@ bool8 LoadChosenBattleElement(u8 caseId)
             {
             default:
             case MAP_BATTLE_SCENE_NORMAL:
-                LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tileset, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tileset, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_GYM:
-                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_MAGMA:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_AQUA:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_SIDNEY:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_PHOEBE:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_GLACIA:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_DRAKE:
-                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Stadium, (void*)(BG_CHAR_ADDR(2)));
                 break;
             case MAP_BATTLE_SCENE_FRONTIER:
-                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(VRAM + 0x8000));
+                LZDecompressVram(gBattleTerrainTiles_Building, (void*)(BG_CHAR_ADDR(2)));
                 break;
             }
         }
@@ -1246,14 +1246,14 @@ bool8 LoadChosenBattleElement(u8 caseId)
     case 4:
         if (gBattleTypeFlags & (BATTLE_TYPE_FRONTIER | BATTLE_TYPE_LINK | BATTLE_TYPE_x2000000 | BATTLE_TYPE_EREADER_TRAINER))
         {
-            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+            LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
         }
         else if (gBattleTypeFlags & BATTLE_TYPE_KYOGRE_GROUDON)
         {
             if (gGameVersion == VERSION_RUBY)
-                LZDecompressVram(gBattleTerrainTilemap_Cave, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Cave, (void*)(BG_SCREEN_ADDR(26)));
             else
-                LZDecompressVram(gBattleTerrainTilemap_Water, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Water, (void*)(BG_SCREEN_ADDR(26)));
         }
         else
         {
@@ -1262,12 +1262,12 @@ bool8 LoadChosenBattleElement(u8 caseId)
                 u8 trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
                 if (trainerClass == TRAINER_CLASS_LEADER)
                 {
-                    LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+                    LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
                     break;
                 }
                 else if (trainerClass == TRAINER_CLASS_CHAMPION)
                 {
-                    LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                    LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                     break;
                 }
             }
@@ -1276,31 +1276,31 @@ bool8 LoadChosenBattleElement(u8 caseId)
             {
             default:
             case MAP_BATTLE_SCENE_NORMAL:
-                LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tilemap, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTable[gBattleTerrain].tilemap, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_GYM:
-                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_MAGMA:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_AQUA:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_SIDNEY:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_PHOEBE:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_GLACIA:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_DRAKE:
-                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Stadium, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             case MAP_BATTLE_SCENE_FRONTIER:
-                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(VRAM + 0xD000));
+                LZDecompressVram(gBattleTerrainTilemap_Building, (void*)(BG_SCREEN_ADDR(26)));
                 break;
             }
         }
diff --git a/src/berry_blender.c b/src/berry_blender.c
index f2e3c7d14..c85d0e827 100644
--- a/src/berry_blender.c
+++ b/src/berry_blender.c
@@ -3104,7 +3104,7 @@ static void sub_8083170(u16 a0, u16 a1)
     s32 var1, var2, var3, var4;
     u16 *vram;
 
-    vram = (u16*)(VRAM + 0x6000);
+    vram = (u16*)(BG_SCREEN_ADDR(12));
     var1 = (a0 * 64) / a1;
     var2 = var1 / 8;
     for (var4 = 0; var4 < var2; var4++)
diff --git a/src/clear_save_data_screen.c b/src/clear_save_data_screen.c
index 72d0daf55..5ec90e10c 100644
--- a/src/clear_save_data_screen.c
+++ b/src/clear_save_data_screen.c
@@ -153,7 +153,7 @@ static bool8 SetupClearSaveDataScreen(void)
             ((u16 *)(VRAM + 0x20))[i] = 0x1111;
 
         for (i = 0; i < 0x400; i++)
-            ((u16 *)(VRAM + 0xF000))[i] = 0x0001;
+            ((u16 *)(BG_SCREEN_ADDR(30)))[i] = 0x0001;
         ResetTasks();
         ResetSpriteData();
         ResetBgsAndClearDma3BusyFlags(0);
diff --git a/src/contest.c b/src/contest.c
index cf084e35e..7be4aa23b 100644
--- a/src/contest.c
+++ b/src/contest.c
@@ -318,7 +318,7 @@ void LoadContestBgAfterMoveAnim(void)
     s32 i;
 
     LZDecompressVram(gContestMiscGfx, (void *)VRAM);
-    LZDecompressVram(gContestAudienceGfx, (void *)(VRAM + 0x2000));
+    LZDecompressVram(gContestAudienceGfx, (void *)(BG_SCREEN_ADDR(4)));
     CopyToBgTilemapBuffer(3, gUnknown_08C16FA8, 0, 0);
     CopyBgTilemapBufferToVram(3);
     LoadCompressedPalette(gUnknown_08C16E90, 0, 0x200);
@@ -596,8 +596,8 @@ static u8 sub_80D7E44(u8 *a)
         LZDecompressVram(gContestMiscGfx, (void *)VRAM);
         break;
     case 2:
-        LZDecompressVram(gContestAudienceGfx, (void *)(VRAM + 0x2000));
-        DmaCopyLarge32(3, (void *)(VRAM + 0x2000), shared15800, 0x2000, 0x1000);
+        LZDecompressVram(gContestAudienceGfx, (void *)(BG_SCREEN_ADDR(4)));
+        DmaCopyLarge32(3, (void *)(BG_SCREEN_ADDR(4)), shared15800, 0x2000, 0x1000);
         break;
     case 3:
         CopyToBgTilemapBuffer(3, gUnknown_08C16FA8, 0, 0);
@@ -3328,12 +3328,12 @@ static u8 sub_80DC9EC(u8 a)
     CopySpriteTiles(0,
                     3,
                     (void *)VRAM,
-                    (u16 *)(VRAM + 0xE000 + gUnknown_02039F26[a] * 5 * 64 + 0x26),
+                    (u16 *)(BG_SCREEN_ADDR(28) + gUnknown_02039F26[a] * 5 * 64 + 0x26),
                     gContestResources->field_34);
 
     CopySpriteTiles(0,
                     3, (void *)VRAM,
-                    (u16 *)(VRAM + 0xE000 + gUnknown_02039F26[a] * 5 * 64 + 0x36),
+                    (u16 *)(BG_SCREEN_ADDR(28) + gUnknown_02039F26[a] * 5 * 64 + 0x36),
                     gContestResources->field_38);
 
     CpuFill32(0, gContestResources->field_34 + 0x500, 0x300);
@@ -4027,11 +4027,11 @@ static void sub_80DDE30(u8 taskId)
         gTasks[taskId].data[10] = 0;
         if (gTasks[taskId].data[11] == 0)
         {
-            RequestDma3Copy(shared16800, (void *)(VRAM + 0x2000), 0x1000, 1);
+            RequestDma3Copy(shared16800, (void *)(BG_SCREEN_ADDR(4)), 0x1000, 1);
         }
         else
         {
-            RequestDma3Copy(shared15800, (void *)(VRAM + 0x2000), 0x1000, 1);
+            RequestDma3Copy(shared15800, (void *)(BG_SCREEN_ADDR(4)), 0x1000, 1);
             gTasks[taskId].data[12]++;
         }
 
@@ -4212,7 +4212,7 @@ static void sub_80DE350(void)
     s32 i;
     u16 bg1Cnt;
 
-    RequestDma3Fill(0,(void *)(VRAM + 0x8000), 0x2000, 0x1);
+    RequestDma3Fill(0,(void *)(BG_CHAR_ADDR(2)), 0x2000, 0x1);
     CpuFill32(0, gContestResources->field_24[1], 0x1000);
     Contest_SetBgCopyFlags(1);
     bg1Cnt = GetGpuReg(REG_OFFSET_BG1CNT);
diff --git a/src/contest_painting.c b/src/contest_painting.c
index 71a110aa8..2f0c97764 100644
--- a/src/contest_painting.c
+++ b/src/contest_painting.c
@@ -554,7 +554,7 @@ static void sub_8130430(u8 arg0, u8 arg1)
             break;
         }
 
-#define VRAM_PICTURE_DATA(x, y) (((u16 *)(VRAM + 0x6000))[(y) * 32 + (x)])
+#define VRAM_PICTURE_DATA(x, y) (((u16 *)(BG_SCREEN_ADDR(12)))[(y) * 32 + (x)])
 
         // Set the background
         for (y = 0; y < 20; y++)
@@ -579,7 +579,7 @@ static void sub_8130430(u8 arg0, u8 arg1)
     else if (arg0 < 8)
     {
         RLUnCompVram(gPictureFrameTiles_5, (void *)VRAM);
-        RLUnCompVram(gPictureFrameTilemap_5, (void *)(VRAM + 0x6000));
+        RLUnCompVram(gPictureFrameTilemap_5, (void *)(BG_SCREEN_ADDR(12)));
     }
     else
     {
@@ -587,23 +587,23 @@ static void sub_8130430(u8 arg0, u8 arg1)
         {
         case CONTEST_CATEGORY_COOL:
             RLUnCompVram(gPictureFrameTiles_0, (void *)VRAM);
-            RLUnCompVram(gPictureFrameTilemap_0, (void *)(VRAM + 0x6000));
+            RLUnCompVram(gPictureFrameTilemap_0, (void *)(BG_SCREEN_ADDR(12)));
             break;
         case CONTEST_CATEGORY_BEAUTY:
             RLUnCompVram(gPictureFrameTiles_1, (void *)VRAM);
-            RLUnCompVram(gPictureFrameTilemap_1, (void *)(VRAM + 0x6000));
+            RLUnCompVram(gPictureFrameTilemap_1, (void *)(BG_SCREEN_ADDR(12)));
             break;
         case CONTEST_CATEGORY_CUTE:
             RLUnCompVram(gPictureFrameTiles_2, (void *)VRAM);
-            RLUnCompVram(gPictureFrameTilemap_2, (void *)(VRAM + 0x6000));
+            RLUnCompVram(gPictureFrameTilemap_2, (void *)(BG_SCREEN_ADDR(12)));
             break;
         case CONTEST_CATEGORY_SMART:
             RLUnCompVram(gPictureFrameTiles_3, (void *)VRAM);
-            RLUnCompVram(gPictureFrameTilemap_3, (void *)(VRAM + 0x6000));
+            RLUnCompVram(gPictureFrameTilemap_3, (void *)(BG_SCREEN_ADDR(12)));
             break;
         case CONTEST_CATEGORY_TOUGH:
             RLUnCompVram(gPictureFrameTiles_4, (void *)VRAM);
-            RLUnCompVram(gPictureFrameTilemap_4, (void *)(VRAM + 0x6000));
+            RLUnCompVram(gPictureFrameTilemap_4, (void *)(BG_SCREEN_ADDR(12)));
             break;
         }
     }
diff --git a/src/credits.c b/src/credits.c
index c96c6b4a1..aee5332f5 100644
--- a/src/credits.c
+++ b/src/credits.c
@@ -1343,7 +1343,7 @@ static void sub_81758E4(u8 taskIdA)
         FreeAllSpritePalettes();
         gReservedSpritePaletteCount = 8;
         LZ77UnCompVram(gBirchHelpGfx, (void *)VRAM);
-        LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x3800));
+        LZ77UnCompVram(gBirchGrassTilemap, (void *)(BG_SCREEN_ADDR(7)));
         LoadPalette(gBirchBagGrassPal[0] + 1, 1, 31 * 2);
 
         for (i = 0; i < 0x800; i++)
diff --git a/src/field_effect.c b/src/field_effect.c
index badf57b16..e7c0b39b9 100644
--- a/src/field_effect.c
+++ b/src/field_effect.c
@@ -2953,15 +2953,15 @@ u8 sub_80B8F98(void)
     {
         for (j = 12; j < 18; j++)
         {
-            ((u16*)(VRAM + 0xF800))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
+            ((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
         }
     }
     for (k = 0; k < 90; k++)
     {
         for (i = 0; i < 8; i++)
         {
-            *(u16*)(VRAM + 0x8000 + (k + 1) * 32 + i * 4) = (gUnknown_0855B630[k * 32 + i * 4 + 1] << 8) + gUnknown_0855B630[k * 32 + i * 4];
-            *(u16*)(VRAM + 0x8000 + (k + 1) * 32 + i * 4 + 2) = (gUnknown_0855B630[k * 32 + i * 4 + 3] << 8) + gUnknown_0855B630[k * 32 + i * 4 + 2];
+            *(u16*)(BG_CHAR_ADDR(2) + (k + 1) * 32 + i * 4) = (gUnknown_0855B630[k * 32 + i * 4 + 1] << 8) + gUnknown_0855B630[k * 32 + i * 4];
+            *(u16*)(BG_CHAR_ADDR(2) + (k + 1) * 32 + i * 4 + 2) = (gUnknown_0855B630[k * 32 + i * 4 + 3] << 8) + gUnknown_0855B630[k * 32 + i * 4 + 2];
         }
     }
     return spriteId;
diff --git a/src/field_effect_helpers.c b/src/field_effect_helpers.c
index 53fd87e61..651b2baca 100755
--- a/src/field_effect_helpers.c
+++ b/src/field_effect_helpers.c
@@ -1418,7 +1418,7 @@ void sub_8155F80(struct Sprite *sprite)
                 {
                     for (j = 12; j < 18; j++)
                     {
-                        ((u16*)(VRAM + 0xF800))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
+                        ((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
                     }
                 }
             }
@@ -1504,7 +1504,7 @@ void sub_8155F80(struct Sprite *sprite)
             {
                 for (j = 12; j < 18; j++)
                 {
-                    ((u16*)(VRAM + 0xF800))[i * 32 + j] = 0;
+                    ((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0;
                 }
             }
             SetGpuReg(REG_OFFSET_BG0VOFS, 0);
diff --git a/src/intro.c b/src/intro.c
index 4f76faf87..23457f370 100644
--- a/src/intro.c
+++ b/src/intro.c
@@ -1092,14 +1092,14 @@ static void Task_IntroLoadPart1Graphics(u8 taskId)
     SetGpuReg(REG_OFFSET_BG1VOFS, 0x18);
     SetGpuReg(REG_OFFSET_BG0VOFS, 0x28);
     LZ77UnCompVram(gIntro1BGLeavesGfx, (void *)VRAM);
-    LZ77UnCompVram(gIntro1BG0_Tilemap, (void *)(VRAM + 0x8000));
-    DmaClear16(3, VRAM + 0x8800, 0x800);
-    LZ77UnCompVram(gIntro1BG1_Tilemap, (void *)(VRAM + 0x9000));
-    DmaClear16(3, VRAM + 0x9800, 0x800);
-    LZ77UnCompVram(gIntro1BG2_Tilemap, (void *)(VRAM + 0xA000));
-    DmaClear16(3, VRAM + 0xA800, 0x800);
-    LZ77UnCompVram(gIntro1BG3_Tilemap, (void *)(VRAM + 0xB000));
-    DmaClear16(3, VRAM + 0xB800, 0x800);
+    LZ77UnCompVram(gIntro1BG0_Tilemap, (void *)(BG_CHAR_ADDR(2)));
+    DmaClear16(3, BG_SCREEN_ADDR(17), 0x800);
+    LZ77UnCompVram(gIntro1BG1_Tilemap, (void *)(BG_SCREEN_ADDR(18)));
+    DmaClear16(3, BG_SCREEN_ADDR(19), 0x800);
+    LZ77UnCompVram(gIntro1BG2_Tilemap, (void *)(BG_SCREEN_ADDR(20)));
+    DmaClear16(3, BG_SCREEN_ADDR(21), 0x800);
+    LZ77UnCompVram(gIntro1BG3_Tilemap, (void *)(BG_SCREEN_ADDR(22)));
+    DmaClear16(3, BG_SCREEN_ADDR(23), 0x800);
     LoadPalette(gIntro1BGPals, 0, sizeof(gIntro1BGPals));
     SetGpuReg(REG_OFFSET_BG3CNT, BGCNT_PRIORITY(3) | BGCNT_CHARBASE(0) | BGCNT_SCREENBASE(22) | BGCNT_16COLOR | BGCNT_TXT256x512);
     SetGpuReg(REG_OFFSET_BG2CNT, BGCNT_PRIORITY(2) | BGCNT_CHARBASE(0) | BGCNT_SCREENBASE(20) | BGCNT_16COLOR | BGCNT_TXT256x512);
@@ -1549,7 +1549,7 @@ static void Task_IntroLoadPart3Graphics(u8 taskId)
 {
     intro_reset_and_hide_bgs();
     LZ77UnCompVram(gIntro3Pokeball_Gfx, (void *)VRAM);
-    LZ77UnCompVram(gIntro3Pokeball_Tilemap, (void *)(VRAM + 0x4000));
+    LZ77UnCompVram(gIntro3Pokeball_Tilemap, (void *)(BG_CHAR_ADDR(1)));
     LoadPalette(gIntro3PokeballPal, 0, 0x200);
     gTasks[taskId].data[0] = 0;
     gTasks[taskId].data[1] = 0;
@@ -1601,9 +1601,9 @@ static void Task_IntroLoadGroudonScene(u8 taskId)
         FreeAllSpritePalettes();
         gReservedSpritePaletteCount = 8;
         LZDecompressVram(gIntro3GroudonGfx, (void *)VRAM);
-        LZDecompressVram(gIntro3GroudonTilemap, (void *)(VRAM + 0xC000));
-        LZDecompressVram(gIntro3LegendBgGfx, (void *)(VRAM + 0x4000));
-        LZDecompressVram(gIntro3GroudonBgTilemap, (void *)(VRAM + 0xE000));
+        LZDecompressVram(gIntro3GroudonTilemap, (void *)(BG_CHAR_ADDR(3)));
+        LZDecompressVram(gIntro3LegendBgGfx, (void *)(BG_CHAR_ADDR(1)));
+        LZDecompressVram(gIntro3GroudonBgTilemap, (void *)(BG_SCREEN_ADDR(28)));
         LoadCompressedSpriteSheetUsingHeap(&gBattleAnimPicTable[GET_TRUE_SPRITE_INDEX(ANIM_TAG_ROCKS)]);
         LoadCompressedSpritePaletteUsingHeap(&gBattleAnimPaletteTable[GET_TRUE_SPRITE_INDEX(ANIM_TAG_ROCKS)]);
         CpuCopy16(gIntro3BgPal, gPlttBufferUnfaded, sizeof(gIntro3BgPal));
@@ -1824,8 +1824,8 @@ static void Task_IntroLoadKyogreScene(u8 taskId)
 {
     ResetSpriteData();
     LZDecompressVram(gIntro3KyogreGfx, (void *)VRAM);
-    LZDecompressVram(gIntro3KyogreTilemap, (void *)(VRAM + 0xC000));
-    LZDecompressVram(gIntro3KyogreBgTilemap, (void *)(VRAM + 0xE000));
+    LZDecompressVram(gIntro3KyogreTilemap, (void *)(BG_CHAR_ADDR(3)));
+    LZDecompressVram(gIntro3KyogreBgTilemap, (void *)(BG_SCREEN_ADDR(28)));
     LoadCompressedSpriteSheet(gUnknown_085E4C88);
     LoadSpritePalette(gUnknown_085E4C98);
     BeginNormalPaletteFade(0xFFFFFFFE, 0, 0x10, 0, RGB_WHITEALPHA);
@@ -2087,15 +2087,15 @@ static void Task_IntroLoadClouds1(u8 taskId)
     SetGpuReg(REG_OFFSET_BG2HOFS, 0);
     SetGpuReg(REG_OFFSET_BG2VOFS, 0);
     LZDecompressVram(gIntro3CloudsGfx, (void *)VRAM);
-    LZDecompressVram(gIntro3CloudsGfx, (void *)(VRAM + 0x4000));
-    LZDecompressVram(gIntro3Clouds3Tilemap, (void *)(VRAM + 0xE000));
+    LZDecompressVram(gIntro3CloudsGfx, (void *)(BG_CHAR_ADDR(1)));
+    LZDecompressVram(gIntro3Clouds3Tilemap, (void *)(BG_SCREEN_ADDR(28)));
     gTasks[taskId].func = Task_IntroLoadClouds2;
 }
 
 static void Task_IntroLoadClouds2(u8 taskId)
 {
-    LZDecompressVram(gIntro3Clouds1Tilemap, (void *)(VRAM + 0xC000));
-    LZDecompressVram(gIntro3Clouds2Tilemap, (void *)(VRAM + 0xD000));
+    LZDecompressVram(gIntro3Clouds1Tilemap, (void *)(BG_CHAR_ADDR(3)));
+    LZDecompressVram(gIntro3Clouds2Tilemap, (void *)(BG_SCREEN_ADDR(26)));
     gTasks[taskId].func = Task_IntroLoadClouds3;
 }
 
@@ -2140,9 +2140,9 @@ static void Task_IntroCloudScene(u8 taskId)
 
 static void Task_IntroLoadRayquazaLightningScene(u8 taskId)
 {
-    LZDecompressVram(gIntro3RayquazaTilemap, (void *)(VRAM + 0xE000));
-    LZDecompressVram(gIntro3Clouds4Tilemap, (void *)(VRAM + 0xC000));
-    LZDecompressVram(gIntro3RayquazaGfx, (void *)(VRAM + 0x4000));
+    LZDecompressVram(gIntro3RayquazaTilemap, (void *)(BG_SCREEN_ADDR(28)));
+    LZDecompressVram(gIntro3Clouds4Tilemap, (void *)(BG_CHAR_ADDR(3)));
+    LZDecompressVram(gIntro3RayquazaGfx, (void *)(BG_CHAR_ADDR(1)));
     LZDecompressVram(gIntro3Clouds2Gfx, (void *)VRAM);
     SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0
                                 | DISPCNT_OBJ_1D_MAP
diff --git a/src/intro_credits_graphics.c b/src/intro_credits_graphics.c
index ba1f56158..b98708324 100644
--- a/src/intro_credits_graphics.c
+++ b/src/intro_credits_graphics.c
@@ -331,15 +331,15 @@ static void sub_817B458(u8);
 
 void load_intro_part2_graphics(u8 a)
 {
-    LZ77UnCompVram(gUnknown_085F0740, (void *)(VRAM + 0x4000));
-    LZ77UnCompVram(gUnknown_085F0BC0, (void *)(VRAM + 0x7800));
+    LZ77UnCompVram(gUnknown_085F0740, (void *)(BG_CHAR_ADDR(1)));
+    LZ77UnCompVram(gUnknown_085F0BC0, (void *)(BG_SCREEN_ADDR(15)));
     LoadPalette(&gUnknown_085F06E0, 240, 32);
     switch (a)
     {
     case 0:
     default:
         LZ77UnCompVram(gUnknown_085F0DBC, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F1398, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F1398, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F0CFC, 0, 96);
         LoadCompressedSpriteSheet(gUnknown_085F5064);
         LoadPalette(&gUnknown_085F1668, 256, 32);
@@ -347,7 +347,7 @@ void load_intro_part2_graphics(u8 a)
         break;
     case 1:
         LZ77UnCompVram(gUnknown_085F1824, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F1EAC, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F1EAC, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F17E4, 0, 32);
         LoadCompressedSpriteSheet(gUnknown_085F50EC);
         LoadPalette(&gUnknown_085F21B0, 256, 32);
@@ -438,15 +438,15 @@ void sub_817B150(u8 a)
 
 void sub_817B1C8(u8 a)
 {
-    LZ77UnCompVram(gUnknown_085F0740, (void *)(VRAM + 0x4000));
-    LZ77UnCompVram(gUnknown_085F0BC0, (void *)(VRAM + 0x7800));
+    LZ77UnCompVram(gUnknown_085F0740, (void *)(BG_CHAR_ADDR(1)));
+    LZ77UnCompVram(gUnknown_085F0BC0, (void *)(BG_SCREEN_ADDR(15)));
     switch (a)
     {
     case 0:
     default:
         LoadPalette(&gUnknown_085F06E0, 240, 32);
         LZ77UnCompVram(gUnknown_085F0DBC, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F1398, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F1398, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F0CFC, 0, 96);
         LoadCompressedSpriteSheet(gUnknown_085F5064);
         LZ77UnCompVram(gUnknown_085F16A8, (void *)(VRAM + 0x10000));
@@ -456,7 +456,7 @@ void sub_817B1C8(u8 a)
     case 1:
         LoadPalette(&gUnknown_085F0700, 240, 32);
         LZ77UnCompVram(gUnknown_085F0DBC, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F1398, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F1398, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F0D5C, 0, 96);
         LoadCompressedSpriteSheet(gUnknown_085F5064);
         LZ77UnCompVram(gUnknown_085F16A8, (void *)(VRAM + 0x10000));
@@ -467,7 +467,7 @@ void sub_817B1C8(u8 a)
     case 3:
         LoadPalette(&gUnknown_085F0700, 240, 32);
         LZ77UnCompVram(gUnknown_085F1824, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F1EAC, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F1EAC, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F1804, 0, 32);
         LoadCompressedSpriteSheet(gUnknown_085F50EC);
         LoadPalette(&gUnknown_085F1804, 256, 32);
@@ -476,7 +476,7 @@ void sub_817B1C8(u8 a)
     case 4:
         LoadPalette(&gUnknown_085F0720, 240, 32);
         LZ77UnCompVram(gUnknown_085F235C, (void *)(VRAM));
-        LZ77UnCompVram(gUnknown_085F2568, (void *)(VRAM + 0x3000));
+        LZ77UnCompVram(gUnknown_085F2568, (void *)(BG_SCREEN_ADDR(6)));
         LoadPalette(&gUnknown_085F231C, 0, 64);
         LoadCompressedSpriteSheet(gUnknown_085F5180);
         LoadPalette(&gUnknown_085F2548, 256, 32);
diff --git a/src/main_menu.c b/src/main_menu.c
index 4cd5c8e14..82a30aa59 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -1147,7 +1147,7 @@ static void Task_NewGameBirchSpeech_Init(u8 taskId)
     SetGpuReg(REG_OFFSET_BLDY, 0);
 
     LZ77UnCompVram(sBirchSpeechShadowGfx, (void*)VRAM);
-    LZ77UnCompVram(sBirchSpeechBgMap, (void*)(VRAM + 0x3800));
+    LZ77UnCompVram(sBirchSpeechBgMap, (void*)(BG_SCREEN_ADDR(7)));
     LoadPalette(sBirchSpeechBgPals, 0, 64);
     LoadPalette(sBirchSpeechPlatformBlackPal, 1, 16);
     ScanlineEffect_Stop();
@@ -1687,7 +1687,7 @@ static void CB2_NewGameBirchSpeech_ReturnFromNamingScreen(void)
     DmaFill16(3, 0, PLTT, PLTT_SIZE);
     ResetPaletteFade();
     LZ77UnCompVram(sBirchSpeechShadowGfx, (u8*)VRAM);
-    LZ77UnCompVram(sBirchSpeechBgMap, (u8*)(VRAM + 0x3800));
+    LZ77UnCompVram(sBirchSpeechBgMap, (u8*)(BG_SCREEN_ADDR(7)));
     LoadPalette(sBirchSpeechBgPals, 0, 64);
     LoadPalette(&sBirchSpeechBgGradientPal[1], 1, 16);
     ResetTasks();
diff --git a/src/pokemon_storage_system.c b/src/pokemon_storage_system.c
index c0aec4ddd..c1ebe91b4 100644
--- a/src/pokemon_storage_system.c
+++ b/src/pokemon_storage_system.c
@@ -3927,7 +3927,7 @@ static void SetScrollingBackground(void)
 {
     SetGpuReg(REG_OFFSET_BG3CNT, BGCNT_PRIORITY(3) | BGCNT_CHARBASE(3) | BGCNT_16COLOR | BGCNT_SCREENBASE(31));
     DecompressAndLoadBgGfxUsingHeap(3, gPokemonStorageScrollingBGTileset, 0, 0, 0);
-    LZ77UnCompVram(gPokemonStorageScrollingBGTilemap, (void *)VRAM + 0xF800);
+    LZ77UnCompVram(gPokemonStorageScrollingBGTilemap, (void *)BG_SCREEN_ADDR(31));
 }
 
 static void ScrollBackground(void)
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
index c668c1db0..2478ebbec 100644
--- a/src/save_failed_screen.c
+++ b/src/save_failed_screen.c
@@ -208,8 +208,8 @@ static void CB2_SaveFailedScreen(void)
         DmaFill32(3, 0, OAM, OAM_SIZE);
         DmaFill16(3, 0, PLTT, PLTT_SIZE);
         LZ77UnCompVram(gBirchHelpGfx, (void *)VRAM);
-        LZ77UnCompVram(gBirchBagTilemap, (void *)(VRAM + 0x7000));
-        LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x7800));
+        LZ77UnCompVram(gBirchBagTilemap, (void *)(BG_SCREEN_ADDR(14)));
+        LZ77UnCompVram(gBirchGrassTilemap, (void *)(BG_SCREEN_ADDR(15)));
         LZ77UnCompVram(sSaveFailedClockGfx, (void *)(VRAM + 0x10020));
         ResetBgsAndClearDma3BusyFlags(0);
         InitBgsFromTemplates(0, gUnknown_085EFD88, 3);
diff --git a/src/starter_choose.c b/src/starter_choose.c
index 2d4a1b1e1..5a8de3b4a 100644
--- a/src/starter_choose.c
+++ b/src/starter_choose.c
@@ -393,8 +393,8 @@ void CB2_ChooseStarter(void)
     DmaFill16(3, 0, PLTT, PLTT_SIZE);
 
     LZ77UnCompVram(gBirchHelpGfx, (void *)VRAM);
-    LZ77UnCompVram(gBirchBagTilemap, (void *)(VRAM + 0x3000));
-    LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x3800));
+    LZ77UnCompVram(gBirchBagTilemap, (void *)(BG_SCREEN_ADDR(6)));
+    LZ77UnCompVram(gBirchGrassTilemap, (void *)(BG_SCREEN_ADDR(7)));
 
     ResetBgsAndClearDma3BusyFlags(0);
     InitBgsFromTemplates(0, gUnknown_085B1E00, ARRAY_COUNT(gUnknown_085B1E00));
diff --git a/src/title_screen.c b/src/title_screen.c
index 06bb066bb..ca34f90f8 100644
--- a/src/title_screen.c
+++ b/src/title_screen.c
@@ -507,12 +507,12 @@ void CB2_InitTitleScreen(void)
         break;
     case 1:
         LZ77UnCompVram(gTitleScreenPokemonLogoGfx, (void *)VRAM);
-        LZ77UnCompVram(gUnknown_08DE0644, (void *)(VRAM + 0x4800));
+        LZ77UnCompVram(gUnknown_08DE0644, (void *)(BG_SCREEN_ADDR(9)));
         LoadPalette(gTitleScreenBgPalettes, 0, 0x1E0);
-        LZ77UnCompVram(sTitleScreenRayquazaGfx, (void *)(VRAM + 0x8000));
-        LZ77UnCompVram(sTitleScreenRayquazaTilemap, (void *)(VRAM + 0xD000));
-        LZ77UnCompVram(sTitleScreenCloudsGfx, (void *)(VRAM + 0xC000));
-        LZ77UnCompVram(gUnknown_08DDE458, (void *)(VRAM + 0xD800));
+        LZ77UnCompVram(sTitleScreenRayquazaGfx, (void *)(BG_CHAR_ADDR(2)));
+        LZ77UnCompVram(sTitleScreenRayquazaTilemap, (void *)(BG_SCREEN_ADDR(26)));
+        LZ77UnCompVram(sTitleScreenCloudsGfx, (void *)(BG_CHAR_ADDR(3)));
+        LZ77UnCompVram(gUnknown_08DDE458, (void *)(BG_SCREEN_ADDR(27)));
         ScanlineEffect_Stop();
         ResetTasks();
         ResetSpriteData();