diff --git a/engine/battle_anims/functions.asm b/engine/battle_anims/functions.asm
index 6706bd364..fc1ef4766 100644
--- a/engine/battle_anims/functions.asm
+++ b/engine/battle_anims/functions.asm
@@ -2514,7 +2514,7 @@ BattleAnimFunction_25:
 	ld hl, BATTLEANIMSTRUCT_10
 	add hl, bc
 	ld e, [hl]
-	ld hl, $ffa0
+	lb hl, -1, $a0
 	add hl, de
 	ld e, l
 	ld d, h
diff --git a/engine/games/card_flip.asm b/engine/games/card_flip.asm
index ac0532391..a87be3dae 100644
--- a/engine/games/card_flip.asm
+++ b/engine/games/card_flip.asm
@@ -46,9 +46,9 @@ _CardFlip:
 	call CardFlip_InitAttrPals
 	call EnableLCD
 	call WaitBGMap2
-	ld a, $e4
+	ld a, %11100100
 	call DmgToCgbBGPals
-	ld de, $e4e4
+	lb de, %11100100, %11100100
 	call DmgToCgbObjPals
 	call DelayFrame
 	xor a
diff --git a/engine/overworld/init_map.asm b/engine/overworld/init_map.asm
index 5008270a2..fece592d0 100644
--- a/engine/overworld/init_map.asm
+++ b/engine/overworld/init_map.asm
@@ -90,9 +90,9 @@ HDMATransfer_FillBGMap0WithBlack:
 	ldh [rHDMA1], a
 	ld a, LOW(wDecompressScratch)
 	ldh [rHDMA2], a
-	ld a, HIGH(vBGMap0 % $8000)
+	ld a, HIGH(vBGMap0 - VRAM_Begin)
 	ldh [rHDMA3], a
-	ld a, LOW(vBGMap0 % $8000)
+	ld a, LOW(vBGMap0 - VRAM_Begin)
 	ldh [rHDMA4], a
 	ld a, $3f
 	ldh [hDMATransfer], a