Remove remaining raw $xxxx values, and replace "+ -1" with "- 1" (supported by rgbds 0.4.0)

engine/battle/animations.asm

@@ -1735,7 +1735,7 @@ AnimationSlideMonDownAndHide:
 	jr nz, .loop
 	call AnimationHideMonPic
 	ld hl, wTempPic
-	ld bc, $0310
+	ld bc, $310
 	xor a
 	call FillMemory
 	jp CopyTempPicToMonPic
@@ -1896,7 +1896,7 @@ AnimationSubstitute:
 ; Changes the pokemon's sprite to the mini sprite
 	ld hl, wTempPic
 	xor a
-	ld bc, $0310
+	ld bc, $310
 	call FillMemory
 	ld a, [hWhoseTurn]
 	and a
@@ -1932,7 +1932,7 @@ AnimationSubstitute:
 	jp AnimationShowMonPic
 
 CopySlowbroSpriteData:
-	ld bc, $0010
+	ld bc, $10
 	ld a, BANK(SlowbroSprite)
 	jp FarCopyData2
 

engine/battle/core.asm

@@ -582,7 +582,7 @@ HandlePoisonBurnLeechSeed_DecreaseOwnHP:
 	ld a, [de]    ; increment toxic counter
 	inc a
 	ld [de], a
-	ld hl, $0000
+	ld hl, 0
 .toxicTicksLoop
 	add hl, bc
 	dec a
@@ -5345,8 +5345,8 @@ MoveHitTest:
 	ret z ; Swift never misses (interestingly, Azure Heights lists this is a myth, but it appears to be true)
 	call CheckTargetSubstitute ; substitute check (note that this overwrites a)
 	jr z, .checkForDigOrFlyStatus
-; this code is buggy. it's supposed to prevent HP draining moves from working on substitutes.
-; since $7b79 overwrites a with either $00 or $01, it never works.
+; This code is buggy. It's supposed to prevent HP draining moves from working on substitutes.
+; Since CheckTargetSubstitute overwrites a with either $00 or $01, it never works.
 	cp DRAIN_HP_EFFECT
 	jp z, .moveMissed
 	cp DREAM_EATER_EFFECT
@@ -6335,9 +6335,9 @@ LoadPlayerBackPic:
 	ld de, vBackPic
 	call InterlaceMergeSpriteBuffers
 	ld a, $a
-	ld [$0], a
+	ld [MBC1SRamEnable], a
 	xor a
-	ld [$4000], a
+	ld [MBC1SRamBank], a
 	ld hl, vSprites
 	ld de, sSpriteBuffer1
 	ld a, [hLoadedROMBank]
@@ -6345,7 +6345,7 @@ LoadPlayerBackPic:
 	ld c, 7 * 7
 	call CopyVideoData
 	xor a
-	ld [$0], a
+	ld [MBC1SRamEnable], a
 	ld a, $31
 	ld [hStartTileID], a
 	coord hl, 1, 5

engine/battle/trainer_ai.asm

@@ -134,7 +134,7 @@ AIMoveChoiceModification1:
 	push de
 	push bc
 	ld hl, StatusAilmentMoveEffects
-	ld de, $0001
+	ld de, 1
 	call IsInArray
 	pop bc
 	pop de