Move radio code to its own file

battle/core.asm

@@ -4360,7 +4360,7 @@ Function3dc5b: ; 3dc5b
 	jr z, .asm_3dcc0
 
 	ld a, [wc71a]
-	call Function399f
+	call UpdateBattleMon
 	ld hl, BattleMonHP
 	ld a, [hli]
 	or [hl]

engine/map_setup.asm

@@ -485,6 +485,6 @@ ForceMapMusic: ; 15587
 	ld a, $88
 	ld [MusicFade], a
 .notbiking
-	call Function3d2f
+	call TryRestartMapMusic
 	ret
 ; 1559a

home/audio.asm

@@ -420,7 +420,7 @@ EnterMapMusic:: ; 3d03
 	ret
 ; 3d2f
 
-Function3d2f:: ; 3d2f
+TryRestartMapMusic:: ; 3d2f
 	ld a, [wc2c1]
 	and a
 	jr z, RestartMapMusic

home/battle.asm

@@ -91,7 +91,7 @@ UpdateBattleMonInParty:: ; 399c
 
 	ld a, [CurBattleMon]
 
-Function399f:: ; 399f
+UpdateBattleMon:: ; 399f
 	ld hl, PartyMon1Level
 	call GetPartyLocation
 
@@ -262,7 +262,7 @@ endr
 ; 3a90
 
 
-Function3a90:: ; 3a90
+FarJumpText:: ; 3a90
 	inc hl
 	ld a, [hROMBank]
 	push af

home/copy.asm

@@ -56,7 +56,7 @@ Functiondfd:: ; dfd
 	ld a, b
 	rst Bankswitch
 
-.asm_e09
+.loop
 	ld a, d
 	ld [rHDMA1], a
 	ld a, e
@@ -70,27 +70,27 @@ Functiondfd:: ; dfd
 	ld [rHDMA4], a
 	ld a, c
 	cp $8
-	jr c, .asm_e3c
+	jr c, .done
 	sub $8
 	ld c, a
 	ld a, $f
 	ld [hDMATransfer], a
 	call DelayFrame
 	ld a, l
-	add $0
+	add 0
 	ld l, a
 	ld a, h
-	adc $1
+	adc 1
 	ld h, a
 	ld a, e
-	add $0
+	add 0
 	ld e, a
 	ld a, d
-	adc $1
+	adc 1
 	ld d, a
-	jr .asm_e09
+	jr .loop
 
-.asm_e3c
+.done
 	ld a, c
 	and $7f
 	ld [hDMATransfer], a