diff --git a/src/battle_anim.c b/src/battle_anim.c
index d1550f31e6..7dd1526dd2 100644
--- a/src/battle_anim.c
+++ b/src/battle_anim.c
@@ -2283,7 +2283,7 @@ static void ScriptCmd_setalpha(void)
     sBattleAnimScriptPtr++;
     half1 = *(sBattleAnimScriptPtr++);
     half2 = *(sBattleAnimScriptPtr++) << 8;
-    SetGpuReg(REG_OFFSET_BLDCNT, 0x3F40);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
     SetGpuReg(REG_OFFSET_BLDALPHA, half1 | half2);
 }
 
diff --git a/src/battle_anim_effects_2.c b/src/battle_anim_effects_2.c
index 8acbf62d4a..0ec8b63d7a 100755
--- a/src/battle_anim_effects_2.c
+++ b/src/battle_anim_effects_2.c
@@ -3134,7 +3134,7 @@ void sub_8105EB0(u8 taskId)
     SetGpuReg(REG_OFFSET_WIN0V, gBattle_WIN0V);
     SetGpuReg(REG_OFFSET_WININ, 0x3F1F);
     SetGpuReg(REG_OFFSET_WINOUT, 0x3F3F);
-    SetGpuReg(REG_OFFSET_BLDCNT, 0xC8);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_DARKEN);
     SetGpuReg(REG_OFFSET_BLDY, 0x10);
     gTasks[taskId].data[0] = win0v;
     gTasks[taskId].data[1] = win0h;
diff --git a/src/battle_anim_effects_3.c b/src/battle_anim_effects_3.c
index f6858c0935..5f135691b9 100755
--- a/src/battle_anim_effects_3.c
+++ b/src/battle_anim_effects_3.c
@@ -3220,7 +3220,7 @@ void sub_815CED8(u8 taskId)
     gSprites[spriteId].oam.objMode = ST_OAM_OBJ_BLEND;
     FillPalette(RGB(31, 31, 31), (gSprites[spriteId].oam.paletteNum << 4) + 0x100, 32);
     gSprites[spriteId].oam.priority = priority;
-    SetGpuReg(REG_OFFSET_BLDCNT, 0x3F40);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
     SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[1], 16 - gTasks[taskId].data[1]));
 
     gTasks[taskId].data[0] = spriteId;
diff --git a/src/berry_fix_program.c b/src/berry_fix_program.c
index d87509e101..3631c083ad 100644
--- a/src/berry_fix_program.c
+++ b/src/berry_fix_program.c
@@ -67,7 +67,7 @@ static const u16 sUnknown_08618138[] = {
     0x7fff, 0x7fff, 0x318c, 0x675a,
     0x043c, 0x3aff, 0x0664, 0x4bd2,
     0x6546, 0x7b14, 0x7fff, 0x318c,
-    0x675a, 0x0000, 0x0000, 0x0000
+    0x675a, 0, 0, 0
 };
 
 static const u8 sUnknown_08618158[] = {10, 11, 12};
@@ -124,7 +124,7 @@ void CB2_InitBerryFixProgram(void)
     ResetSpriteData();
     ResetTasks();
     ScanlineEffect_Stop();
-    SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
     berry_fix_mb_manager = AllocZeroed(0x50);
     berry_fix_mb_manager->state = 0;
     berry_fix_mb_manager->unk1 = 6;
@@ -203,13 +203,13 @@ static void berry_fix_gpu_set(void)
 {
     s32 width, left;
 
-    SetGpuReg(REG_OFFSET_BG0CNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG1CNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG0HOFS, 0x0000);
-    SetGpuReg(REG_OFFSET_BG0VOFS, 0x0000);
-    SetGpuReg(REG_OFFSET_BG1HOFS, 0x0000);
-    SetGpuReg(REG_OFFSET_BG1VOFS, 0x0000);
-    SetGpuReg(REG_OFFSET_BLDCNT, 0x0000);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1VOFS, 0);
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
 
     DmaFill32(3, 0, VRAM, VRAM_SIZE);
     DmaFill32(3, 0, OAM, OAM_SIZE);
diff --git a/src/credits.c b/src/credits.c
index 5e52e5fb71..c27004a283 100644
--- a/src/credits.c
+++ b/src/credits.c
@@ -2219,7 +2219,7 @@ static void sub_8177050(struct Sprite *sprite)
         }
         else
         {
-            SetGpuReg(REG_OFFSET_BLDCNT, 0xF40);
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG0 | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3);
             SetGpuReg(REG_OFFSET_BLDALPHA, 0x10);
             sprite->oam.objMode = 1;
             sprite->data[3] = 16;
diff --git a/src/evolution_scene.c b/src/evolution_scene.c
index ea2302130b..1b3133e9ec 100644
--- a/src/evolution_scene.c
+++ b/src/evolution_scene.c
@@ -1479,7 +1479,7 @@ static void InitMovingBackgroundTask(bool8 isLink)
 
     if (!isLink)
     {
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x442);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG2);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0x808);
         SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG2_ON | DISPCNT_BG1_ON | DISPCNT_BG0_ON | DISPCNT_OBJ_1D_MAP);
 
@@ -1491,7 +1491,7 @@ static void InitMovingBackgroundTask(bool8 isLink)
     }
     else
     {
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x842);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG3);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0x808);
         SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG3_ON | DISPCNT_BG1_ON | DISPCNT_BG0_ON | DISPCNT_OBJ_1D_MAP);
     }
diff --git a/src/fldeff_misc.c b/src/fldeff_misc.c
index 9d77383ae4..1f4c6f9fbd 100644
--- a/src/fldeff_misc.c
+++ b/src/fldeff_misc.c
@@ -376,7 +376,7 @@ static void sub_80F9C90(u8 taskId)
         task->data[7] = GetGpuReg(REG_OFFSET_BLDCNT);
         task->data[8] = GetGpuReg(REG_OFFSET_BLDY);
 
-        SetGpuReg(REG_OFFSET_BLDCNT, 0xBF);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_ALL | BLDCNT_EFFECT_LIGHTEN);
         SetGpuReg(REG_OFFSET_BLDY, 0x10);
 
         break;
@@ -452,7 +452,7 @@ static void sub_80F9DFC(u8 taskId)
         {
             task->data[5] = 0x50;
             task->data[6] = 0x51;
-            SetGpuReg(REG_OFFSET_BLDCNT, 0xBF);
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_ALL | BLDCNT_EFFECT_LIGHTEN);
             SetGpuReg(REG_OFFSET_BLDY, 0x10);
         }
         SetGpuReg(REG_OFFSET_WIN0V, WIN_RANGE(task->data[5], task->data[6]));
diff --git a/src/hall_of_fame.c b/src/hall_of_fame.c
index b973798f6e..63818dd49b 100644
--- a/src/hall_of_fame.c
+++ b/src/hall_of_fame.c
@@ -355,7 +355,7 @@ static bool8 InitHallOfFameScreen(void)
         gMain.state++;
         break;
     case 2:
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x3F42);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0x710);
         SetGpuReg(REG_OFFSET_BLDY, 0);
         sub_8174FAC();
@@ -817,7 +817,7 @@ void CB2_DoHallOfFamePC(void)
         {
             u8 taskId, i;
 
-            SetGpuReg(REG_OFFSET_BLDCNT, 0x3F42);
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
             SetGpuReg(REG_OFFSET_BLDALPHA, 0x710);
             SetGpuReg(REG_OFFSET_BLDY, 0);
             taskId = CreateTask(Task_HofPC_CopySaveData, 0);
diff --git a/src/starter_choose.c b/src/starter_choose.c
index afa3fabbf6..2d4a1b1e1c 100644
--- a/src/starter_choose.c
+++ b/src/starter_choose.c
@@ -425,7 +425,7 @@ void CB2_ChooseStarter(void)
     SetGpuReg(REG_OFFSET_WINOUT, 0x1F);
     SetGpuReg(REG_OFFSET_WIN0H, 0);
     SetGpuReg(REG_OFFSET_WIN0V, 0);
-    SetGpuReg(REG_OFFSET_BLDCNT, 0xFE);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_TGT1_BG2 | BLDCNT_TGT1_BG3 | BLDCNT_TGT1_OBJ | BLDCNT_TGT1_BD | BLDCNT_EFFECT_DARKEN);
     SetGpuReg(REG_OFFSET_BLDALPHA, 0);
     SetGpuReg(REG_OFFSET_BLDY, 7);
     SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON | DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
diff --git a/src/title_screen.c b/src/title_screen.c
index c6e9aa26fa..76704987f4 100644
--- a/src/title_screen.c
+++ b/src/title_screen.c
@@ -553,7 +553,7 @@ void CB2_InitTitleScreen(void)
         SetGpuReg(REG_OFFSET_WIN1V, 0);
         SetGpuReg(REG_OFFSET_WININ, 0x1F1F);
         SetGpuReg(REG_OFFSET_WINOUT, 0x3F1F);
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x84);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG2 | BLDCNT_EFFECT_LIGHTEN);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0);
         SetGpuReg(REG_OFFSET_BLDY, 0xC);
         SetGpuReg(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(3) | BGCNT_CHARBASE(2) | BGCNT_SCREENBASE(26) | BGCNT_16COLOR | BGCNT_TXT256x256);
@@ -615,7 +615,7 @@ static void Task_TitleScreenPhase1(u8 taskId)
         SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_1 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG2_ON | DISPCNT_OBJ_ON);
         SetGpuReg(REG_OFFSET_WININ, 0);
         SetGpuReg(REG_OFFSET_WINOUT, 0);
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x3F50);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_OBJ | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0x10);
         SetGpuReg(REG_OFFSET_BLDY, 0);
 
@@ -652,7 +652,7 @@ static void Task_TitleScreenPhase2(u8 taskId)
     else
     {
         gTasks[taskId].tSkipToNext = TRUE;
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x2142);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG1 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG0 | BLDCNT_TGT2_BD);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0xF06);
         SetGpuReg(REG_OFFSET_BLDY, 0);
         SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_1
diff --git a/src/unk_transition.c b/src/unk_transition.c
index 7346e06abe..0faf454026 100644
--- a/src/unk_transition.c
+++ b/src/unk_transition.c
@@ -337,7 +337,7 @@ static bool8 sub_81DAACC(struct Task *task)
     else
     {
         sub_81DA700();
-        SetGpuReg(REG_OFFSET_BLDCNT, 0x3F41);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG0 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL);
         SetGpuReg(REG_OFFSET_BLDALPHA, 0x1000);
         ChangeBgX(0, 0, 0);
         ChangeBgY(0, 0, 0);
diff --git a/src/wallclock.c b/src/wallclock.c
index 58704c8a39..546750ba66 100644
--- a/src/wallclock.c
+++ b/src/wallclock.c
@@ -585,11 +585,11 @@ static void WallClockVblankCallback(void)
 static void LoadWallClockGraphics(void)
 {
     SetVBlankCallback(NULL);
-    SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG3CNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG2CNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG1CNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BG0CNT, 0x0000);
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    SetGpuReg(REG_OFFSET_BG3CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
     ChangeBgX(0, 0, 0);
     ChangeBgY(0, 0, 0);
     ChangeBgX(1, 0, 0);
@@ -633,9 +633,9 @@ static void WallClockInit(void)
     EnableInterrupts(INTR_FLAG_VBLANK);
     SetVBlankCallback(WallClockVblankCallback);
     SetMainCallback2(WallClockMainCallback);
-    SetGpuReg(REG_OFFSET_BLDCNT, 0x0000);
-    SetGpuReg(REG_OFFSET_BLDALPHA, 0x0000);
-    SetGpuReg(REG_OFFSET_BLDY, 0x0000);
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
     SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON);
     ShowBg(0);
     ShowBg(2);