Remove most static wram addresses. Use labels instead.

For unknown addresses, use "w<address>".

Label overleads are still an issue.

3 files changed, 681 insertions, 681 deletions

diff --git a/audio/engine_1.asm b/audio/engine_1.asm
index cf121bcd..774374f5 100644
--- a/audio/engine_1.asm
+++ b/audio/engine_1.asm
@@ -4,7 +4,7 @@ Func_9103:: ; 0x9103
 	ld c, CH0
 .loop
 	ld b, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -12,13 +12,13 @@ Func_9103:: ; 0x9103
 	ld a, c
 	cp CH4
 	jr nc, .asm_912e ; if sfx channel
-	ld a, [$c002]
+	ld a, [wc002]
 	and a
 	jr z, .asm_912e
 	bit 7, a
 	jr nz, .nextChannel
 	set 7, a
-	ld [$c002], a
+	ld [wc002], a
 	xor a
 	ld [$ff25], a
 	ld [$ff1a], a
@@ -36,14 +36,14 @@ Func_9103:: ; 0x9103
 
 ; this routine checks flags for music effects currently applied
 ; to the channel and calls certain functions based on flags.
-; known flags for $c02e:
+; known flags for wc02e:
 ;	1: call has been used
 ;	3: a toggle used only by this routine for vibrato
 ;	4: pitchbend flag
 ;	6: dutycycle flag
 Music2_ApplyMusicAffects: ; 0x9138
 	ld b, $0
-	ld hl, $c0b6 ; delay unitl next note
+	ld hl, wc0b6 ; delay unitl next note
 	add hl, bc
 	ld a, [hl]
 	cp $1 ; if the delay is 1, play next note
@@ -53,36 +53,36 @@ Music2_ApplyMusicAffects: ; 0x9138
 	ld a, c
 	cp CH4
 	jr nc, .startChecks ; if a sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr z, .startChecks
 	ret
 .startChecks
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 6, [hl] ; dutycycle
 	jr z, .checkForExecuteMusic
 	call Music2_ApplyDutyCycle
 .checkForExecuteMusic
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr nz, .disablePitchBendVibrato
 .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl] ; pitchbend
 	jr z, .checkVibratoDelay
 	jp Music2_ApplyPitchBend
 .checkVibratoDelay
-	ld hl, $c04e ; vibrato delay
+	ld hl, wc04e ; vibrato delay
 	add hl, bc
 	ld a, [hl]
 	and a ; check if delay is over
@@ -91,7 +91,7 @@ Music2_ApplyMusicAffects: ; 0x9138
 .disablePitchBendVibrato
 	ret
 .checkForVibrato
-	ld hl, $c056 ; vibrato rate
+	ld hl, wc056 ; vibrato rate
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -99,7 +99,7 @@ Music2_ApplyMusicAffects: ; 0x9138
 	ret ; no vibrato
 .vibrato
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	ld a, [hl]
 	and $f
@@ -112,10 +112,10 @@ Music2_ApplyMusicAffects: ; 0x9138
 	swap [hl]
 	or [hl]
 	ld [hl], a ; reset the vibrato value and start again
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld e, [hl] ; get note pitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 3, [hl] ; this is the only code that sets/resets bit three so
 	jr z, .unset ; it continuously alternates which path it takes
@@ -148,13 +148,13 @@ Music2_ApplyMusicAffects: ; 0x9138
 ; like tempo changes, duty changes etc. and doesn't return
 ; until the first note is reached
 Music2_PlayNextNote ; 0x91d0
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
@@ -167,7 +167,7 @@ Music2_endchannel: ; 0x91e6
 	cp $ff ; is this command an endchannel?
 	jp nz, Music2_callchannel ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 1, [hl]
 	jr nz, .returnFromCall
@@ -177,7 +177,7 @@ Music2_endchannel: ; 0x91e6
 	jr .asm_923f
 .noiseOrSfxChannel
 	res 2, [hl]
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	res 0, [hl]
 	cp CH6
@@ -188,11 +188,11 @@ Music2_endchannel: ; 0x91e6
 	ld [$ff1a], a
 .notSfxChannel3
 	jr nz, .asm_9222
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr z, .asm_9222
 	xor a
-	ld [$c003], a
+	ld [wc003], a
 	jr .asm_923f
 .asm_9222
 	jr .asm_9248
@@ -202,10 +202,10 @@ Music2_endchannel: ; 0x91e6
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl ; store current channel address
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -223,12 +223,12 @@ Music2_endchannel: ; 0x91e6
 	and [hl]
 	ld [$ff25], a
 .asm_9248
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_9251
 	jr .asm_926e
 .asm_9251
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $86
 	jr z, .asm_926e
 	jr c, .asm_925c
@@ -240,12 +240,12 @@ Music2_endchannel: ; 0x91e6
 	call Func_96c7
 	ret c
 .asm_9265
-	ld a, [$c005]
+	ld a, [wc005]
 	ld [$ff24], a
 	xor a
-	ld [$c005], a
+	ld [wc005], a
 .asm_926e
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld [hl], b
 	ret
@@ -264,10 +264,10 @@ Music2_callchannel: ; 0x9274
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -282,7 +282,7 @@ Music2_callchannel: ; 0x9274
 	inc hl
 	ld [hl], d ; overwrite current address with pointer
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 1, [hl] ; set the call flag
 	jp Music2_endchannel
@@ -295,7 +295,7 @@ Music2_loopchannel: ; 0x92a9
 	and a
 	jr z, .infiniteLoop
 	ld b, $0
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, bc
 	ld a, [hl]
 	cp e
@@ -318,7 +318,7 @@ Music2_loopchannel: ; 0x92a9
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	pop af
 	ld [hli], a
@@ -332,7 +332,7 @@ Music2_notetype: ; 0x92e4
 	ld a, d ; yes
 	and $f
 	ld b, $0
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld [hl], a ; store low nibble as speed
 	ld a, c
@@ -345,10 +345,10 @@ Music2_notetype: ; 0x92e4
 	jr z, .musicChannel3
 	cp CH6
 	jr nz, .notChannel3
-	ld hl, $c0e7
+	ld hl, wc0e7
 	jr .sfxChannel3
 .musicChannel3
-	ld hl, $c0e6
+	ld hl, wc0e6
 .sfxChannel3
 	ld a, d
 	and $f
@@ -363,7 +363,7 @@ Music2_notetype: ; 0x92e4
 	; else, store volume (high nibble) and fade (low nibble)
 .notChannel3
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld [hl], d
 .noiseChannel
@@ -374,11 +374,11 @@ Music2_togglecall: ; 0x9323
 	cp $e8 ; is this command an togglecall?
 	jr nz, Music2_vibrato ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	ld a, [hl]
 	xor $1
-	ld [hl], a ; flip bit 0 of $c02e (toggle returning from call)
+	ld [hl], a ; flip bit 0 of wc02e (toggle returning from call)
 	jp Music2_endchannel
 
 Music2_vibrato: ; 0x9335
@@ -386,10 +386,10 @@ Music2_vibrato: ; 0x9335
 	jr nz, Music2_pitchbend ; no
 	call Music2_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a ; store delay 
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld [hl], a ; store delay
 	call Music2_GetNextMusicByte
@@ -397,7 +397,7 @@ Music2_vibrato: ; 0x9335
 	and $f0
 	swap a
 	ld b, $0
-	ld hl, $c056
+	ld hl, wc056
 	add hl, bc
 	srl a
 	ld e, a
@@ -408,7 +408,7 @@ Music2_vibrato: ; 0x9335
 	ld a, d
 	and $f
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	swap a
 	or d
@@ -420,7 +420,7 @@ Music2_pitchbend: ; 0x936d
 	jr nz, Music2_duty ; no
 	call Music2_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	ld [hl], a ; store first param
 	call Music2_GetNextMusicByte
@@ -432,14 +432,14 @@ Music2_pitchbend: ; 0x936d
 	and $f
 	call Func_9858
 	ld b, $0
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld [hl], d ; store unknown part of second param
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld [hl], e ; store unknown part of second param
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 4, [hl] ; set pitchbend flag
 	call Music2_GetNextMusicByte
@@ -454,7 +454,7 @@ Music2_duty: ; 0x93a5
 	rrca
 	and $c0
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store duty
 	jp Music2_endchannel
@@ -466,25 +466,25 @@ Music2_tempo: ; 0x93ba
 	cp CH4
 	jr nc, .sfxChannel
 	call Music2_GetNextMusicByte
-	ld [$c0e8], a ; store first param
+	ld [wc0e8], a ; store first param
 	call Music2_GetNextMusicByte
-	ld [$c0e9], a ; store second param
+	ld [wc0e9], a ; store second param
 	xor a
-	ld [$c0ce], a ; clear RAM
-	ld [$c0cf], a
-	ld [$c0d0], a
-	ld [$c0d1], a
+	ld [wc0ce], a ; clear RAM
+	ld [wc0cf], a
+	ld [wc0d0], a
+	ld [wc0d1], a
 	jr .musicChannelDone
 .sfxChannel
 	call Music2_GetNextMusicByte
-	ld [$c0ea], a ; store first param
+	ld [wc0ea], a ; store first param
 	call Music2_GetNextMusicByte
-	ld [$c0eb], a ; store second param
+	ld [wc0eb], a ; store second param
 	xor a
-	ld [$c0d2], a ; clear RAM
-	ld [$c0d3], a
-	ld [$c0d4], a
-	ld [$c0d5], a
+	ld [wc0d2], a ; clear RAM
+	ld [wc0d3], a
+	ld [wc0d4], a
+	ld [wc0d5], a
 .musicChannelDone
 	jp Music2_endchannel
 
@@ -492,7 +492,7 @@ Music2_unknownmusic0xee: ; 0x93fa
 	cp $ee ; is this command an unknownmusic0xee?
 	jr nz, Music2_unknownmusic0xef ; no
 	call Music2_GetNextMusicByte ; yes
-	ld [$c004], a ; store first param
+	ld [wc004], a ; store first param
 	jp Music2_endchannel
 
 ; this appears to never be used
@@ -503,13 +503,13 @@ Music2_unknownmusic0xef ; 0x9407
 	push bc
 	call Func_9876
 	pop bc
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .skip
-	ld a, [$c02d]
-	ld [$c003], a
+	ld a, [wc02d]
+	ld [wc003], a
 	xor a
-	ld [$c02d], a
+	ld [wc02d], a
 .skip
 	jp Music2_endchannel
 
@@ -518,14 +518,14 @@ Music2_dutycycle: ; 0x9426
 	jr nz, Music2_stereopanning ; no
 	call Music2_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld [hl], a ; store full cycle
 	and $c0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store first duty
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 6, [hl] ; set dutycycle flag
 	jp Music2_endchannel
@@ -541,7 +541,7 @@ Music2_executemusic: ; 0x9450
 	cp $f8 ; is this command an executemusic?
 	jr nz, Music2_octave ; no
 	ld b, $0 ; yes
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	set 0, [hl]
 	jp Music2_endchannel
@@ -550,7 +550,7 @@ Music2_octave: ; 0x945f
 	and $f0
 	cp $e0 ; is this command an octave?
 	jr nz, Music2_unknownsfx0x20 ; no
-	ld hl, $c0d6 ; yes
+	ld hl, wc0d6 ; yes
 	ld b, $0
 	add hl, bc
 	ld a, d
@@ -565,14 +565,14 @@ Music2_unknownsfx0x20: ; 0x9472
 	cp CH3 ; is this a noise or sfx channel?
 	jr c, Music2_unknownsfx0x10 ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music2_unknownsfx0x10 ; no
 	call Music2_notelength ; yes
 	ld d, a
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -611,7 +611,7 @@ Music2_unknownsfx0x10:
 	cp $10 ; is this command a unknownsfx0x10?
 	jr nz, Music2_note ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music2_note ; no
@@ -646,7 +646,7 @@ Music2_dnote:
 	call Music2_GetNextMusicByte ; get dnote instrument
 asm_94fd
 	ld d, a
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .asm_9508
 	ld a, d
@@ -663,7 +663,7 @@ Music2_notelength: ; 0x950a
 	ld b, $0
 	ld e, a  ; store note length (in 16ths)
 	ld d, b
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld a, [hl]
 	ld l, b
@@ -671,9 +671,9 @@ Music2_notelength: ; 0x950a
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld a, [$c0e8]
+	ld a, [wc0e8]
 	ld d, a
-	ld a, [$c0e9]
+	ld a, [wc0e9]
 	ld e, a
 	jr .skip
 .sfxChannel
@@ -682,31 +682,31 @@ Music2_notelength: ; 0x950a
 	cp CH7
 	jr z, .skip ; if noise channel
 	call Func_9693
-	ld a, [$c0ea]
+	ld a, [wc0ea]
 	ld d, a
-	ld a, [$c0eb]
+	ld a, [wc0eb]
 	ld e, a
 .skip
 	ld a, l
 	ld b, $0
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld l, [hl]
 	call Func_9847
 	ld e, l
 	ld d, h
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld [hl], e
 	ld a, d
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music2_notepitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr z, Music2_notepitch
@@ -721,7 +721,7 @@ Music2_notepitch: ; 0x9568
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -754,12 +754,12 @@ Music2_notepitch: ; 0x9568
 .notRest
 	swap a
 	ld b, $0
-	ld hl, $c0d6
+	ld hl, wc0d6
 	add hl, bc
 	ld b, [hl]
 	call Func_9858
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl]
 	jr z, .asm_95b8
@@ -769,7 +769,7 @@ Music2_notepitch: ; 0x9568
 	ld a, c
 	cp CH4
 	jr nc, .skip ; if sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	ld d, $0
 	ld e, a
 	add hl, de
@@ -782,7 +782,7 @@ Music2_notepitch: ; 0x9568
 	ret
 .skip
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld d, [hl]
 	ld b, $2
@@ -792,7 +792,7 @@ Music2_notepitch: ; 0x9568
 	call Func_95f8
 	pop de
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 0, [hl]
 	jr z, .asm_95ef
@@ -800,7 +800,7 @@ Music2_notepitch: ; 0x9568
 	jr nc, .asm_95ef
 	inc d
 .asm_95ef
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld [hl], e
 	call Func_964b
@@ -818,13 +818,13 @@ Func_95f8: ; 0x95f8
 	jr z, .sfxNoiseChannel
 	cp CH4
 	jr nc, .skip ; if sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr nz, .skip
 .sfxNoiseChannel
-	ld a, [$c004]
+	ld a, [wc004]
 	ld hl, Unknown_9b27
 	add hl, bc
 	and [hl]
@@ -842,7 +842,7 @@ Func_95f8: ; 0x95f8
 
 Func_9629: ; 0x9629
 	ld b, $0
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld d, [hl]
 	ld a, c
@@ -853,7 +853,7 @@ Func_9629: ; 0x9629
 	ld a, d
 	and $3f
 	ld d, a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -873,10 +873,10 @@ Func_964b: ; 0x964b
 	; fall through
 .channel3
 	push de
-	ld de, $c0e6
+	ld de, wc0e6
 	cp CH2
 	jr z, .musicChannel3
-	ld de, $c0e7
+	ld de, wc0e7
 .musicChannel3
 	ld a, [de]
 	add a
@@ -919,27 +919,27 @@ Func_9693: ; 0x9693
 	call Func_96e5
 	jr nc, .asm_96ab
 	ld d, $0
-	ld a, [$c0f2]
+	ld a, [wc0f2]
 	add $80
 	jr nc, .asm_96a2
 	inc d
 .asm_96a2
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, d
-	ld [$c0ea], a
+	ld [wc0ea], a
 	jr .asm_96b4
 .asm_96ab
 	xor a
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, $1
-	ld [$c0ea], a
+	ld [wc0ea], a
 .asm_96b4
 	ret
 
 Func_96b5: ; 0x96b5
 	call Func_96e5
 	jr nc, .asm_96c6
-	ld a, [$c0f1]
+	ld a, [wc0f1]
 	add e
 	jr nc, .asm_96c1
 	inc d
@@ -955,7 +955,7 @@ Func_96b5: ; 0x96b5
 Func_96c7: ; 0x96c7
 	call Func_96e5
 	jr nc, .asm_96e2
-	ld hl, $c006
+	ld hl, wc006
 	ld e, c
 	ld d, $0
 	sla e
@@ -976,7 +976,7 @@ Func_96c7: ; 0x96c7
 	ret
 
 Func_96e5: ; 0x96e5
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_96ee
 	jr .asm_96f4
@@ -993,27 +993,27 @@ Func_96e5: ; 0x96e5
 	ret
 
 Music2_ApplyPitchBend: ; 0x96f9
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 5, [hl]
 	jp nz, .asm_9740
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld l, [hl]
 	ld h, b
 	add hl, de
 	ld d, h
 	ld e, l
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	push hl
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	pop hl
@@ -1025,26 +1025,26 @@ Music2_ApplyPitchBend: ; 0x96f9
 	ld a, $0
 	adc d
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	cp d
 	jp c, .asm_9786
 	jr nz, .asm_9773
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	cp e
 	jp c, .asm_9786
 	jr .asm_9773
 .asm_9740
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld e, [hl]
 	sub e
@@ -1052,7 +1052,7 @@ Music2_ApplyPitchBend: ; 0x96f9
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	add a
@@ -1063,22 +1063,22 @@ Music2_ApplyPitchBend: ; 0x96f9
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, d
 	cp [hl]
 	jr c, .asm_9786
 	jr nz, .asm_9773
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	cp [hl]
 	jr c, .asm_9786
 .asm_9773
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
 	ld b, $3
@@ -1088,54 +1088,54 @@ Music2_ApplyPitchBend: ; 0x96f9
 	ld [hl], d
 	ret
 .asm_9786
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
 	ret
 
 Func_978f: ; 0x978f
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	sub [hl]
 	jr nc, .asm_97a7
 	ld a, $1
 .asm_97a7
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	sub [hl]
 	ld e, a
 	ld a, d
 	sbc b
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	sub [hl]
 	jr c, .asm_97c3
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 5, [hl]
 	jr .asm_97e6
 .asm_97c3
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	sub e
@@ -1143,17 +1143,17 @@ Func_978f: ; 0x978f
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	sub d
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 5, [hl]
 .asm_97e6
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 .asm_97ea
 	inc b
@@ -1172,20 +1172,20 @@ Func_978f: ; 0x978f
 	add [hl]
 	ld d, b
 	ld b, $0
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld [hl], d
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	ld [hl], a
 	ret
 
 Music2_ApplyDutyCycle: ; 0x980d
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld a, [hl]
 	rlca
@@ -1206,7 +1206,7 @@ Music2_GetNextMusicByte: ; 0x9825
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld a, [hli]
 	ld e, a
@@ -1274,7 +1274,7 @@ Func_9858: ; 0x9858
 	ret
 
 Func_9876:: ; 0x9876
-	ld [$c001], a
+	ld [wc001], a
 	cp $ff
 	jp z, Func_9a34
 	cp $b9
@@ -1285,63 +1285,63 @@ Func_9876:: ; 0x9876
 	jp nc, Func_994e
 .asm_988d
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c0e9], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc0e9], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $8
-	ld hl, $c016
+	ld hl, wc016
 	call FillMusicRAM2
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM2
 	ld d, $4
-	ld hl, $c026
+	ld hl, wc026
 	call FillMusicRAM2
-	ld hl, $c02e
+	ld hl, wc02e
 	call FillMusicRAM2
-	ld hl, $c03e
+	ld hl, wc03e
 	call FillMusicRAM2
-	ld hl, $c046
+	ld hl, wc046
 	call FillMusicRAM2
-	ld hl, $c04e
+	ld hl, wc04e
 	call FillMusicRAM2
-	ld hl, $c056
+	ld hl, wc056
 	call FillMusicRAM2
-	ld hl, $c05e
+	ld hl, wc05e
 	call FillMusicRAM2
-	ld hl, $c066
+	ld hl, wc066
 	call FillMusicRAM2
-	ld hl, $c06e
+	ld hl, wc06e
 	call FillMusicRAM2
-	ld hl, $c036
+	ld hl, wc036
 	call FillMusicRAM2
-	ld hl, $c076
+	ld hl, wc076
 	call FillMusicRAM2
-	ld hl, $c07e
+	ld hl, wc07e
 	call FillMusicRAM2
-	ld hl, $c086
+	ld hl, wc086
 	call FillMusicRAM2
-	ld hl, $c08e
+	ld hl, wc08e
 	call FillMusicRAM2
-	ld hl, $c096
+	ld hl, wc096
 	call FillMusicRAM2
-	ld hl, $c09e
+	ld hl, wc09e
 	call FillMusicRAM2
-	ld hl, $c0a6
+	ld hl, wc0a6
 	call FillMusicRAM2
-	ld hl, $c0ae
+	ld hl, wc0ae
 	call FillMusicRAM2
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	call FillMusicRAM2
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM2
-	ld hl, $c0c6
+	ld hl, wc0c6
 	call FillMusicRAM2
-	ld [$c0e8], a
+	ld [wc0e8], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	xor a
 	ld [$ff24], a
 	ld a, $8
@@ -1366,9 +1366,9 @@ Func_994e: ; 0x994e
 	ld de, SFX_Headers_02
 	add hl, de
 	ld a, h
-	ld [$c0ec], a
+	ld [wc0ec], a
 	ld a, l
-	ld [$c0ed], a
+	ld [wc0ed], a
 	ld a, [hl]
 	and $c0
 	rlca
@@ -1381,9 +1381,9 @@ Func_994e: ; 0x994e
 	add c
 	ld c, a
 	ld b, $0
-	ld a, [$c0ec]
+	ld a, [wc0ec]
 	ld h, a
-	ld a, [$c0ed]
+	ld a, [wc0ed]
 	ld l, a
 	add hl, bc
 	ld c, d
@@ -1391,7 +1391,7 @@ Func_994e: ; 0x994e
 	and $f
 	ld e, a
 	ld d, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld a, [hl]
 	and a
@@ -1399,7 +1399,7 @@ Func_994e: ; 0x994e
 	ld a, e
 	cp $7
 	jr nz, .asm_999a
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_9993
 	ret
@@ -1409,7 +1409,7 @@ Func_994e: ; 0x994e
 	jr z, .asm_99a3
 	jr c, .asm_99a3
 .asm_999a
-	ld a, [$c001]
+	ld a, [wc001]
 	cp [hl]
 	jr z, .asm_99a3
 	jr c, .asm_99a3
@@ -1422,77 +1422,77 @@ Func_994e: ; 0x994e
 	add hl, hl
 	ld d, h
 	ld e, l
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld [hli], a
 	ld [hl], a
 	pop de
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, de
 	ld [hl], a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, de
 	ld [hl], a
-	ld hl, $c046
+	ld hl, wc046
 	add hl, de
 	ld [hl], a
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, de
 	ld [hl], a
-	ld hl, $c056
+	ld hl, wc056
 	add hl, de
 	ld [hl], a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, de
 	ld [hl], a
-	ld hl, $c066
+	ld hl, wc066
 	add hl, de
 	ld [hl], a
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, de
 	ld [hl], a
-	ld hl, $c076
+	ld hl, wc076
 	add hl, de
 	ld [hl], a
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, de
 	ld [hl], a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, de
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, de
 	ld [hl], a
-	ld hl, $c096
+	ld hl, wc096
 	add hl, de
 	ld [hl], a
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, de
 	ld [hl], a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, de
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, de
 	ld [hl], a
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, de
 	ld [hl], a
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, de
 	ld [hl], a
 	ld a, e
@@ -1526,24 +1526,24 @@ Func_9a34: ; 0x9a34
 	ld a, $77
 	ld [$ff24], a
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c002], a
-	ld [$c0e9], a
-	ld [$c0eb], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc002], a
+	ld [wc0e9], a
+	ld [wc0eb], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $a0
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM2
 	ld a, $1
 	ld d, $18
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM2
-	ld [$c0e8], a
-	ld [$c0ea], a
+	ld [wc0e8], a
+	ld [wc0ea], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	ret
 
 ; fills d bytes at hl with a
@@ -1556,7 +1556,7 @@ FillMusicRAM2: ; 0x9a89
 	ret
 
 Func_9a8f: ; 0x9a8f
-	ld a, [$c001]
+	ld a, [wc001]
 	ld l, a
 	ld e, a
 	ld h, $0
@@ -1567,7 +1567,7 @@ Func_9a8f: ; 0x9a8f
 	add hl, de
 	ld e, l
 	ld d, h
-	ld hl, $c006
+	ld hl, wc006
 	ld a, [de] ; get channel number
 	ld b, a
 	rlca
@@ -1593,14 +1593,14 @@ Func_9a8f: ; 0x9a8f
 	push af
 	ld b, $0
 	ld c, a
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
-	ld a, [$c001]
+	ld a, [wc001]
 	ld [hl], a
 	pop af
 	cp $3
 	jr c, .asm_9ad2
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 2, [hl]
 .asm_9ad2
@@ -1619,32 +1619,32 @@ Func_9a8f: ; 0x9a8f
 	ld a, [de]
 	inc de
 	jr nz, .asm_9ab1
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_9aeb
 	jr .asm_9b15
 .asm_9aeb
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $86
 	jr z, .asm_9b15
 	jr c, .asm_9af6
 	jr .asm_9b15
 .asm_9af6
-	ld hl, $c02a
+	ld hl, wc02a
 	ld [hli], a
 	ld [hli], a
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c012 ; sfx noise channel pointer
+	ld hl, wc012 ; sfx noise channel pointer
 	ld de, Noise2_endchannel
 	ld [hl], e
 	inc hl
 	ld [hl], d ; overwrite pointer to point to endchannel
-	ld a, [$c005]
+	ld a, [wc005]
 	and a
 	jr nz, .asm_9b15
 	ld a, [$ff24]
-	ld [$c005], a
+	ld [wc005], a
 	ld a, $77
 	ld [$ff24], a
 .asm_9b15
diff --git a/audio/engine_2.asm b/audio/engine_2.asm
index 9c64b5c1..68a905c3 100644
--- a/audio/engine_2.asm
+++ b/audio/engine_2.asm
@@ -4,7 +4,7 @@ Func_21879:: ; 21879 (8:5879)
 	ld c, CH0
 .loop
 	ld b, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -12,13 +12,13 @@ Func_21879:: ; 21879 (8:5879)
 	ld a, c
 	cp CH4
 	jr nc, .applyAffects ; if sfx channel
-	ld a, [$c002]
+	ld a, [wc002]
 	and a
 	jr z, .applyAffects
 	bit 7, a
 	jr nz, .nextChannel
 	set 7, a
-	ld [$c002], a
+	ld [wc002], a
 	xor a
 	ld [$ff25], a
 	ld [$ff1a], a
@@ -36,14 +36,14 @@ Func_21879:: ; 21879 (8:5879)
 
 ; this routine checks flags for music effects currently applied
 ; to the channel and calls certain functions based on flags.
-; known flags for $c02e:
+; known flags for wc02e:
 ;	1: call has been used
 ;	3: a toggle used only by this routine for vibrato
 ;	4: pitchbend flag
 ;	6: dutycycle flag
 Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 	ld b, $0
-	ld hl, $c0b6 ; delay unitl next note
+	ld hl, wc0b6 ; delay unitl next note
 	add hl, bc
 	ld a, [hl]
 	cp $1 ; if the delay is 1, play next note
@@ -53,36 +53,36 @@ Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 	ld a, c
 	cp CH4
 	jr nc, .startChecks ; if a sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr z, .startChecks
 	ret
 .startChecks
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 6, [hl] ; dutycycle
 	jr z, .checkForExecuteMusic
 	call Music8_ApplyDutyCycle
 .checkForExecuteMusic
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr nz, .disablePitchBendVibrato
 .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl] ; pitchbend
 	jr z, .checkVibratoDelay
 	jp Music8_ApplyPitchBend
 .checkVibratoDelay
-	ld hl, $c04e ; vibrato delay
+	ld hl, wc04e ; vibrato delay
 	add hl, bc
 	ld a, [hl]
 	and a ; check if delay is over
@@ -91,7 +91,7 @@ Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 .disablePitchBendVibrato
 	ret
 .checkForVibrato
-	ld hl, $c056 ; vibrato rate
+	ld hl, wc056 ; vibrato rate
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -99,7 +99,7 @@ Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 	ret ; no vibrato
 .vibrato
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	ld a, [hl]
 	and $f
@@ -112,10 +112,10 @@ Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 	swap [hl]
 	or [hl]
 	ld [hl], a ; reset the vibrato value and start again
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld e, [hl] ; get note pitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 3, [hl] ; this is the only code that sets/resets bit three so
 	jr z, .unset ; it continuously alternates which path it takes
@@ -148,20 +148,20 @@ Music8_ApplyMusicAffects: ; 218ae (8:58ae)
 ; like tempo changes, duty changes etc. and doesn't return
 ; until the first note is reached
 Music8_PlayNextNote: ; 21946 (8:5946)
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
 	ld a, c
 	cp CH4
 	jr nz, .beginChecks
-	ld a, [$d083]
+	ld a, [wd083]
 	bit 7, a
 	ret nz
 .beginChecks
@@ -174,7 +174,7 @@ Music8_endchannel: ; 21967 (8:5967)
 	cp $ff ; is this command an endchannel?
 	jp nz, Music8_callchannel ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 1, [hl]
 	jr nz, .returnFromCall
@@ -184,7 +184,7 @@ Music8_endchannel: ; 21967 (8:5967)
 	jr .asm_219c0
 .noiseOrSfxChannel
 	res 2, [hl]
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	res 0, [hl]
 	cp CH6
@@ -195,11 +195,11 @@ Music8_endchannel: ; 21967 (8:5967)
 	ld [$ff1a], a
 .notSfxChannel3
 	jr nz, .asm_219a3
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr z, .asm_219a3
 	xor a
-	ld [$c003], a
+	ld [wc003], a
 	jr .asm_219c0
 .asm_219a3
 	jr .asm_219c9
@@ -209,10 +209,10 @@ Music8_endchannel: ; 21967 (8:5967)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl ; store current channel address
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -230,12 +230,12 @@ Music8_endchannel: ; 21967 (8:5967)
 	and [hl]
 	ld [$ff25], a
 .asm_219c9
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_219d2
 	jr .asm_219ef
 .asm_219d2
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $86
 	jr z, .asm_219ef
 	jr c, .asm_219dd
@@ -247,12 +247,12 @@ Music8_endchannel: ; 21967 (8:5967)
 	call Func_21e6d
 	ret c
 .asm_219e6
-	ld a, [$c005]
+	ld a, [wc005]
 	ld [$ff24], a
 	xor a
-	ld [$c005], a
+	ld [wc005], a
 .asm_219ef
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld [hl], b
 	ret
@@ -271,10 +271,10 @@ Music8_callchannel: ; 219f5 (8:59f5)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -289,7 +289,7 @@ Music8_callchannel: ; 219f5 (8:59f5)
 	inc hl
 	ld [hl], d ; overwrite current address with pointer
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 1, [hl] ; set the call flag
 	jp Music8_endchannel
@@ -302,7 +302,7 @@ Music8_loopchannel: ; 21a2a (8:5a2a)
 	and a
 	jr z, .infiniteLoop
 	ld b, $0
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, bc
 	ld a, [hl]
 	cp e
@@ -325,7 +325,7 @@ Music8_loopchannel: ; 21a2a (8:5a2a)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	pop af
 	ld [hli], a
@@ -339,7 +339,7 @@ Music8_notetype: ; 21a65 (8:5a65)
 	ld a, d ; yes
 	and $f
 	ld b, $0
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld [hl], a ; store low nibble as speed
 	ld a, c
@@ -352,10 +352,10 @@ Music8_notetype: ; 21a65 (8:5a65)
 	jr z, .musicChannel3
 	cp CH6
 	jr nz, .notChannel3
-	ld hl, $c0e7
+	ld hl, wc0e7
 	jr .sfxChannel3
 .musicChannel3
-	ld hl, $c0e6
+	ld hl, wc0e6
 .sfxChannel3
 	ld a, d
 	and $f
@@ -370,7 +370,7 @@ Music8_notetype: ; 21a65 (8:5a65)
 	; else, store volume (high nibble) and fade (low nibble)
 .notChannel3
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld [hl], d
 .noiseChannel
@@ -381,11 +381,11 @@ Music8_togglecall: ; 21aa4 (8:5aa4)
 	cp $e8 ; is this command an togglecall?
 	jr nz, Music8_vibrato ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	ld a, [hl]
 	xor $1
-	ld [hl], a ; flip bit 0 of $c02e (toggle returning from call)
+	ld [hl], a ; flip bit 0 of wc02e (toggle returning from call)
 	jp Music8_endchannel
 
 Music8_vibrato: ; 21ab6 (8:5ab6)
@@ -393,10 +393,10 @@ Music8_vibrato: ; 21ab6 (8:5ab6)
 	jr nz, Music8_pitchbend ; no
 	call Music8_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a ; store delay 
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld [hl], a ; store delay 
 	call Music8_GetNextMusicByte
@@ -404,7 +404,7 @@ Music8_vibrato: ; 21ab6 (8:5ab6)
 	and $f0
 	swap a
 	ld b, $0
-	ld hl, $c056
+	ld hl, wc056
 	add hl, bc
 	srl a
 	ld e, a
@@ -415,7 +415,7 @@ Music8_vibrato: ; 21ab6 (8:5ab6)
 	ld a, d
 	and $f
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	swap a
 	or d
@@ -427,7 +427,7 @@ Music8_pitchbend: ; 21aee (8:5aee)
 	jr nz, Music8_duty ; no
 	call Music8_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	ld [hl], a ; store first param
 	call Music8_GetNextMusicByte
@@ -439,14 +439,14 @@ Music8_pitchbend: ; 21aee (8:5aee)
 	and $f
 	call Func_22017
 	ld b, $0
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld [hl], d ; store unknown part of second param
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld [hl], e ; store unknown part of second param
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 4, [hl] ; set pitchbend flag
 	call Music8_GetNextMusicByte
@@ -461,7 +461,7 @@ Music8_duty: ; 21b26 (8:5b26)
 	rrca
 	and $c0
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store duty
 	jp Music8_endchannel
@@ -473,25 +473,25 @@ Music8_tempo: ; 21b3b (8:5b3b)
 	cp CH4
 	jr nc, .sfxChannel
 	call Music8_GetNextMusicByte
-	ld [$c0e8], a ; store first param
+	ld [wc0e8], a ; store first param
 	call Music8_GetNextMusicByte
-	ld [$c0e9], a ; store second param
+	ld [wc0e9], a ; store second param
 	xor a
-	ld [$c0ce], a ; clear RAM
-	ld [$c0cf], a
-	ld [$c0d0], a
-	ld [$c0d1], a
+	ld [wc0ce], a ; clear RAM
+	ld [wc0cf], a
+	ld [wc0d0], a
+	ld [wc0d1], a
 	jr .musicChannelDone
 .sfxChannel
 	call Music8_GetNextMusicByte
-	ld [$c0ea], a ; store first param
+	ld [wc0ea], a ; store first param
 	call Music8_GetNextMusicByte
-	ld [$c0eb], a ; store second param
+	ld [wc0eb], a ; store second param
 	xor a
-	ld [$c0d2], a ; clear RAM
-	ld [$c0d3], a
-	ld [$c0d4], a
-	ld [$c0d5], a
+	ld [wc0d2], a ; clear RAM
+	ld [wc0d3], a
+	ld [wc0d4], a
+	ld [wc0d5], a
 .musicChannelDone
 	jp Music8_endchannel
 
@@ -499,7 +499,7 @@ Music8_unknownmusic0xee: ; 21b7b (8:5b7b)
 	cp $ee ; is this command an unknownmusic0xee?
 	jr nz, Music8_unknownmusic0xef ; no
 	call Music8_GetNextMusicByte ; yes
-	ld [$c004], a ; store first param
+	ld [wc004], a ; store first param
 	jp Music8_endchannel
 
 ; this appears to never be used
@@ -510,13 +510,13 @@ Music8_unknownmusic0xef: ; 21b88 (8:5b88)
 	push bc
 	call Func_22035
 	pop bc
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .skip
-	ld a, [$c02d]
-	ld [$c003], a
+	ld a, [wc02d]
+	ld [wc003], a
 	xor a
-	ld [$c02d], a
+	ld [wc02d], a
 .skip
 	jp Music8_endchannel
 
@@ -525,14 +525,14 @@ Music8_dutycycle: ; 21ba7 (8:5ba7)
 	jr nz, Music8_stereopanning ; no
 	call Music8_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld [hl], a ; store full cycle
 	and $c0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store first duty
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 6, [hl] ; set dutycycle flag
 	jp Music8_endchannel
@@ -548,7 +548,7 @@ Music8_executemusic: ; 21bd1 (8:5bd1)
 	cp $f8 ; is this command an executemusic?
 	jr nz, Music8_octave ; no
 	ld b, $0 ; yes
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	set 0, [hl]
 	jp Music8_endchannel
@@ -557,7 +557,7 @@ Music8_octave: ; 21be0 (8:5be0)
 	and $f0
 	cp $e0 ; is this command an octave?
 	jr nz, Music8_unknownsfx0x20 ; no
-	ld hl, $c0d6 ; yes
+	ld hl, wc0d6 ; yes
 	ld b, $0
 	add hl, bc
 	ld a, d
@@ -572,14 +572,14 @@ Music8_unknownsfx0x20: ; 21bf3
 	cp CH3 ; is this a noise or sfx channel?
 	jr c, Music8_unknownsfx0x10 ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music8_unknownsfx0x10 ; no
 	call Music8_notelength
 	ld d, a
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -618,7 +618,7 @@ Music8_unknownsfx0x10: ; 21c40 (8:5c40)
 	cp $10 ; is this command a unknownsfx0x10?
 	jr nz, Music8_note ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music8_note ; no
@@ -653,7 +653,7 @@ Music8_dnote: ; 21c76 (8:5c76)
 	call Music8_GetNextMusicByte ; get dnote instrument
 asm_21c7e
 	ld d, a
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .asm_21c89
 	ld a, d
@@ -670,7 +670,7 @@ Music8_notelength: ; 21c8b (8:5c8b)
 	ld b, $0
 	ld e, a ; store note length (in 16ths)
 	ld d, b
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld a, [hl]
 	ld l, b
@@ -678,9 +678,9 @@ Music8_notelength: ; 21c8b (8:5c8b)
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld a, [$c0e8]
+	ld a, [wc0e8]
 	ld d, a
-	ld a, [$c0e9]
+	ld a, [wc0e9]
 	ld e, a
 	jr .skip
 .sfxChannel
@@ -689,31 +689,31 @@ Music8_notelength: ; 21c8b (8:5c8b)
 	cp CH7
 	jr z, .skip ; if noise channel
 	call Func_21e2f
-	ld a, [$c0ea]
+	ld a, [wc0ea]
 	ld d, a
-	ld a, [$c0eb]
+	ld a, [wc0eb]
 	ld e, a
 .skip
 	ld a, l
 	ld b, $0
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld l, [hl]
 	call Func_22006
 	ld e, l
 	ld d, h
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld [hl], e
 	ld a, d
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music8_notepitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr z, Music8_notepitch
@@ -728,7 +728,7 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -761,12 +761,12 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 .notRest
 	swap a
 	ld b, $0
-	ld hl, $c0d6
+	ld hl, wc0d6
 	add hl, bc
 	ld b, [hl]
 	call Func_22017
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl]
 	jr z, .asm_21d39
@@ -776,7 +776,7 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 	ld a, c
 	cp CH4
 	jr nc, .skip ; if sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	ld d, $0
 	ld e, a
 	add hl, de
@@ -789,7 +789,7 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 	ret
 .skip
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld d, [hl]
 	ld b, $2
@@ -799,7 +799,7 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 	call Func_21d79
 	pop de
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 0, [hl]
 	jr z, .asm_21d70
@@ -807,7 +807,7 @@ Music8_notepitch: ; 21ce9 (8:5ce9)
 	jr nc, .asm_21d70
 	inc d
 .asm_21d70
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld [hl], e
 	call Func_21dcc
@@ -825,13 +825,13 @@ Func_21d79: ; 21d79 (8:5d79)
 	jr z, .sfxNoiseChannel
 	cp CH4
 	jr nc, .skip ; if sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr nz, .skip
 .sfxNoiseChannel
-	ld a, [$c004]
+	ld a, [wc004]
 	ld hl, Unknown_222e6
 	add hl, bc
 	and [hl]
@@ -849,7 +849,7 @@ Func_21d79: ; 21d79 (8:5d79)
 
 Func_21daa: ; 21daa (8:5daa)
 	ld b, $0
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld d, [hl]
 	ld a, c
@@ -860,7 +860,7 @@ Func_21daa: ; 21daa (8:5daa)
 	ld a, d
 	and $3f
 	ld d, a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -880,10 +880,10 @@ Func_21dcc: ; 21dcc (8:5dcc)
 	; fall through
 .channel3
 	push de
-	ld de, $c0e6
+	ld de, wc0e6
 	cp CH2
 	jr z, .musicChannel3
-	ld de, $c0e7
+	ld de, wc0e7
 .musicChannel3
 	ld a, [de]
 	add a
@@ -930,13 +930,13 @@ Func_21e19: ; 21e19 (8:5e19)
 	ld a, c
 	cp CH4
 	jr nz, .asm_21e2e
-	ld a, [$d083]
+	ld a, [wd083]
 	bit 7, a
 	jr z, .asm_21e2e
 	xor a
-	ld [$c0f1], a
+	ld [wc0f1], a
 	ld a, $80
-	ld [$c0f2], a
+	ld [wc0f2], a
 .asm_21e2e
 	ret
 
@@ -947,20 +947,20 @@ Func_21e2f: ; 21e2f (8:5e2f)
 	jr nc, .asm_21e4c
 .asm_21e39
 	ld d, $0
-	ld a, [$c0f2]
+	ld a, [wc0f2]
 	add $80
 	jr nc, .asm_21e43
 	inc d
 .asm_21e43
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, d
-	ld [$c0ea], a
+	ld [wc0ea], a
 	jr .asm_21e55
 .asm_21e4c
 	xor a
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, $1
-	ld [$c0ea], a
+	ld [wc0ea], a
 .asm_21e55
 	ret
 
@@ -970,7 +970,7 @@ Func_21e56: ; 21e56 (8:5e56)
 	call Func_21e9f
 	jr nc, .asm_21e6c
 .asm_21e60
-	ld a, [$c0f1]
+	ld a, [wc0f1]
 	add e
 	jr nc, .asm_21e67
 	inc d
@@ -986,7 +986,7 @@ Func_21e56: ; 21e56 (8:5e56)
 Func_21e6d: ; 21e6d (8:5e6d)
 	call Func_21e8b
 	jr nc, .asm_21e88
-	ld hl, $c006
+	ld hl, wc006
 	ld e, c
 	ld d, $0
 	sla e
@@ -1007,7 +1007,7 @@ Func_21e6d: ; 21e6d (8:5e6d)
 	ret
 
 Func_21e8b: ; 21e8b (8:5e8b)
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_21e94
 	jr .asm_21e9a
@@ -1024,9 +1024,9 @@ Func_21e8b: ; 21e8b (8:5e8b)
 	ret
 
 Func_21e9f: ; 21e9f (8:5e9f)
-	ld a, [$c02d]
+	ld a, [wc02d]
 	ld b, a
-	ld a, [$c02a]
+	ld a, [wc02a]
 	or b
 	cp $9d
 	jr nc, .asm_21ead
@@ -1044,27 +1044,27 @@ Func_21e9f: ; 21e9f (8:5e9f)
 	ret
 
 Music8_ApplyPitchBend: ; 21eb8 (8:5eb8)
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 5, [hl]
 	jp nz, .asm_21eff
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld l, [hl]
 	ld h, b
 	add hl, de
 	ld d, h
 	ld e, l
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	push hl
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	pop hl
@@ -1076,26 +1076,26 @@ Music8_ApplyPitchBend: ; 21eb8 (8:5eb8)
 	ld a, $0
 	adc d
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	cp d
 	jp c, .asm_21f45
 	jr nz, .asm_21f32
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	cp e
 	jp c, .asm_21f45
 	jr .asm_21f32
 .asm_21eff
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld e, [hl]
 	sub e
@@ -1103,7 +1103,7 @@ Music8_ApplyPitchBend: ; 21eb8 (8:5eb8)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	add a
@@ -1114,22 +1114,22 @@ Music8_ApplyPitchBend: ; 21eb8 (8:5eb8)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, d
 	cp [hl]
 	jr c, .asm_21f45
 	jr nz, .asm_21f32
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	cp [hl]
 	jr c, .asm_21f45
 .asm_21f32
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
 	ld b, $3
@@ -1139,54 +1139,54 @@ Music8_ApplyPitchBend: ; 21eb8 (8:5eb8)
 	ld [hl], d
 	ret
 .asm_21f45
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
 	ret
 
 Func_21f4e: ; 21f4e (8:5f4e)
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	sub [hl]
 	jr nc, .asm_21f66
 	ld a, $1
 .asm_21f66
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	sub [hl]
 	ld e, a
 	ld a, d
 	sbc b
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	sub [hl]
 	jr c, .asm_21f82
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 5, [hl]
 	jr .asm_21fa5
 .asm_21f82
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	sub e
@@ -1194,17 +1194,17 @@ Func_21f4e: ; 21f4e (8:5f4e)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	sub d
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 5, [hl]
 .asm_21fa5
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 .asm_21fa9
 	inc b
@@ -1223,20 +1223,20 @@ Func_21f4e: ; 21f4e (8:5f4e)
 	add [hl]
 	ld d, b
 	ld b, $0
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld [hl], d
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	ld [hl], a
 	ret
 
 Music8_ApplyDutyCycle: ; 21fcc (8:5fcc)
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld a, [hl]
 	rlca
@@ -1257,7 +1257,7 @@ Music8_GetNextMusicByte: ; 21fe4 (8:5fe4)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld a, [hli]
 	ld e, a
@@ -1325,7 +1325,7 @@ Func_22017: ; 22017 (8:6017)
 	ret
 
 Func_22035:: ; 22035 (8:6035)
-	ld [$c001], a
+	ld [wc001], a
 	cp $ff
 	jp z, Func_221f3
 	cp $e9
@@ -1336,63 +1336,63 @@ Func_22035:: ; 22035 (8:6035)
 	jp nc, Func_2210d
 .asm_2204c
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c0e9], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc0e9], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $8
-	ld hl, $c016
+	ld hl, wc016
 	call FillMusicRAM8
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM8
 	ld d, $4
-	ld hl, $c026
+	ld hl, wc026
 	call FillMusicRAM8
-	ld hl, $c02e
+	ld hl, wc02e
 	call FillMusicRAM8
-	ld hl, $c03e
+	ld hl, wc03e
 	call FillMusicRAM8
-	ld hl, $c046
+	ld hl, wc046
 	call FillMusicRAM8
-	ld hl, $c04e
+	ld hl, wc04e
 	call FillMusicRAM8
-	ld hl, $c056
+	ld hl, wc056
 	call FillMusicRAM8
-	ld hl, $c05e
+	ld hl, wc05e
 	call FillMusicRAM8
-	ld hl, $c066
+	ld hl, wc066
 	call FillMusicRAM8
-	ld hl, $c06e
+	ld hl, wc06e
 	call FillMusicRAM8
-	ld hl, $c036
+	ld hl, wc036
 	call FillMusicRAM8
-	ld hl, $c076
+	ld hl, wc076
 	call FillMusicRAM8
-	ld hl, $c07e
+	ld hl, wc07e
 	call FillMusicRAM8
-	ld hl, $c086
+	ld hl, wc086
 	call FillMusicRAM8
-	ld hl, $c08e
+	ld hl, wc08e
 	call FillMusicRAM8
-	ld hl, $c096
+	ld hl, wc096
 	call FillMusicRAM8
-	ld hl, $c09e
+	ld hl, wc09e
 	call FillMusicRAM8
-	ld hl, $c0a6
+	ld hl, wc0a6
 	call FillMusicRAM8
-	ld hl, $c0ae
+	ld hl, wc0ae
 	call FillMusicRAM8
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	call FillMusicRAM8
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM8
-	ld hl, $c0c6
+	ld hl, wc0c6
 	call FillMusicRAM8
-	ld [$c0e8], a
+	ld [wc0e8], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	xor a
 	ld [$ff24], a
 	ld a, $8
@@ -1417,9 +1417,9 @@ Func_2210d: ; 2210d (8:610d)
 	ld de, SFX_Headers_08
 	add hl, de
 	ld a, h
-	ld [$c0ec], a
+	ld [wc0ec], a
 	ld a, l
-	ld [$c0ed], a
+	ld [wc0ed], a
 	ld a, [hl]
 	and $c0
 	rlca
@@ -1432,9 +1432,9 @@ Func_2210d: ; 2210d (8:610d)
 	add c
 	ld c, a
 	ld b, $0
-	ld a, [$c0ec]
+	ld a, [wc0ec]
 	ld h, a
-	ld a, [$c0ed]
+	ld a, [wc0ed]
 	ld l, a
 	add hl, bc
 	ld c, d
@@ -1442,7 +1442,7 @@ Func_2210d: ; 2210d (8:610d)
 	and $f
 	ld e, a
 	ld d, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld a, [hl]
 	and a
@@ -1450,7 +1450,7 @@ Func_2210d: ; 2210d (8:610d)
 	ld a, e
 	cp $7
 	jr nz, .asm_22159
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_22152
 	ret
@@ -1460,7 +1460,7 @@ Func_2210d: ; 2210d (8:610d)
 	jr z, .asm_22162
 	jr c, .asm_22162
 .asm_22159
-	ld a, [$c001]
+	ld a, [wc001]
 	cp [hl]
 	jr z, .asm_22162
 	jr c, .asm_22162
@@ -1473,77 +1473,77 @@ Func_2210d: ; 2210d (8:610d)
 	add hl, hl
 	ld d, h
 	ld e, l
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld [hli], a
 	ld [hl], a
 	pop de
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, de
 	ld [hl], a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, de
 	ld [hl], a
-	ld hl, $c046
+	ld hl, wc046
 	add hl, de
 	ld [hl], a
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, de
 	ld [hl], a
-	ld hl, $c056
+	ld hl, wc056
 	add hl, de
 	ld [hl], a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, de
 	ld [hl], a
-	ld hl, $c066
+	ld hl, wc066
 	add hl, de
 	ld [hl], a
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, de
 	ld [hl], a
-	ld hl, $c076
+	ld hl, wc076
 	add hl, de
 	ld [hl], a
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, de
 	ld [hl], a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, de
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, de
 	ld [hl], a
-	ld hl, $c096
+	ld hl, wc096
 	add hl, de
 	ld [hl], a
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, de
 	ld [hl], a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, de
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, de
 	ld [hl], a
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, de
 	ld [hl], a
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, de
 	ld [hl], a
 	ld a, e
@@ -1577,24 +1577,24 @@ Func_221f3: ; 221f3 (8:61f3)
 	ld a, $77
 	ld [$ff24], a
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c002], a
-	ld [$c0e9], a
-	ld [$c0eb], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc002], a
+	ld [wc0e9], a
+	ld [wc0eb], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $a0
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM8
 	ld a, $1
 	ld d, $18
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM8
-	ld [$c0e8], a
-	ld [$c0ea], a
+	ld [wc0e8], a
+	ld [wc0ea], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	ret
 
 ; fills d bytes at hl with a
@@ -1607,7 +1607,7 @@ FillMusicRAM8: ; 22248 (8:6248)
 	ret
 
 Func_2224e: ; 2224e (8:624e)
-	ld a, [$c001]
+	ld a, [wc001]
 	ld l, a
 	ld e, a
 	ld h, $0
@@ -1618,7 +1618,7 @@ Func_2224e: ; 2224e (8:624e)
 	add hl, de
 	ld e, l
 	ld d, h
-	ld hl, $c006
+	ld hl, wc006
 	ld a, [de] ; get channel number
 	ld b, a
 	rlca
@@ -1644,14 +1644,14 @@ Func_2224e: ; 2224e (8:624e)
 	push af
 	ld b, $0
 	ld c, a
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
-	ld a, [$c001]
+	ld a, [wc001]
 	ld [hl], a
 	pop af
 	cp $3
 	jr c, .asm_22291
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 2, [hl]
 .asm_22291
@@ -1670,32 +1670,32 @@ Func_2224e: ; 2224e (8:624e)
 	ld a, [de]
 	inc de
 	jr nz, .asm_22270
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_222aa
 	jr .asm_222d4
 .asm_222aa
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $86
 	jr z, .asm_222d4
 	jr c, .asm_222b5
 	jr .asm_222d4
 .asm_222b5
-	ld hl, $c02a
+	ld hl, wc02a
 	ld [hli], a
 	ld [hli], a
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c012 ; sfx noise channel pointer
+	ld hl, wc012 ; sfx noise channel pointer
 	ld de, Noise8_endchannel
 	ld [hl], e
 	inc hl
 	ld [hl], d ; overwrite pointer to point to endchannel
-	ld a, [$c005]
+	ld a, [wc005]
 	and a
 	jr nz, .asm_222d4
 	ld a, [$ff24]
-	ld [$c005], a
+	ld [wc005], a
 	ld a, $77
 	ld [$ff24], a
 .asm_222d4
diff --git a/audio/engine_3.asm b/audio/engine_3.asm
index 3d5ee66f..d215c56d 100644
--- a/audio/engine_3.asm
+++ b/audio/engine_3.asm
@@ -4,7 +4,7 @@ Func_7d177:: ; 7d177 (1f:5177)
 	ld c, CH0
 .loop
 	ld b, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -12,13 +12,13 @@ Func_7d177:: ; 7d177 (1f:5177)
 	ld a, c
 	cp CH4
 	jr nc, .applyAffects ; if sfx channel
-	ld a, [$c002]
+	ld a, [wc002]
 	and a
 	jr z, .applyAffects
 	bit 7, a
 	jr nz, .nextChannel
 	set 7, a
-	ld [$c002], a
+	ld [wc002], a
 	xor a
 	ld [$ff25], a
 	ld [$ff1a], a
@@ -36,14 +36,14 @@ Func_7d177:: ; 7d177 (1f:5177)
 
 ; this routine checks flags for music effects currently applied
 ; to the channel and calls certain functions based on flags.
-; known flags for $c02e:
+; known flags for wc02e:
 ;	1: call has been used
 ;	3: a toggle used only by this routine for vibrato
 ;	4: pitchbend flag
 ;	6: dutycycle flag
 Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 	ld b, $0
-	ld hl, $c0b6 ; delay until next note
+	ld hl, wc0b6 ; delay until next note
 	add hl, bc
 	ld a, [hl]
 	cp $1 ; if delay is 1, play next note
@@ -53,36 +53,36 @@ Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 	ld a, c
 	cp CH4
 	jr nc, .startChecks ; if a sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr z, .startChecks
 	ret
 .startChecks
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 6, [hl] ; dutycycle
 	jr z, .checkForExecuteMusic
 	call Music1f_ApplyDutyCycle
 .checkForExecuteMusic
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr nz, .disablePitchBendVibrato
 .checkForPitchBend
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl] ; pitchbend
 	jr z, .checkVibratoDelay
 	jp Music1f_ApplyPitchBend
 .checkVibratoDelay
-	ld hl, $c04e ; vibrato delay
+	ld hl, wc04e ; vibrato delay
 	add hl, bc
 	ld a, [hl]
 	and a ; check if delay is over
@@ -91,7 +91,7 @@ Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 .disablePitchBendVibrato
 	ret
 .checkForVibrato
-	ld hl, $c056 ; vibrato rate
+	ld hl, wc056 ; vibrato rate
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -99,7 +99,7 @@ Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 	ret ; no vibrato
 .vibrato
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	ld a, [hl]
 	and $f
@@ -112,10 +112,10 @@ Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 	swap [hl]
 	or [hl]
 	ld [hl], a ; reset the vibrato value and start again
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld e, [hl] ; get note pitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 3, [hl] ; this is the only code that sets/resets bit three so
 	jr z, .unset ; it continuously alternates which path it takes
@@ -148,13 +148,13 @@ Music1f_Music2_ApplyMusicAffects: ; 7d1ac (1f:51ac)
 ; like tempo changes, duty changes etc. and doesn't return
 ; until the first note is reached
 Music1f_Music2_PlayNextNote: ; 7d244 (1f:5244)
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
@@ -167,7 +167,7 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	cp $ff ; is this command an endchannel?
 	jp nz, Music1f_callchannel ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 1, [hl]
 	jr nz, .returnFromCall
@@ -177,7 +177,7 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	jr .asm_7d2b3
 .noiseOrSfxChannel
 	res 2, [hl]
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	res 0, [hl]
 	cp CH6
@@ -188,11 +188,11 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	ld [$ff1a], a
 .notSfxChannel3
 	jr nz, .asm_7d296
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr z, .asm_7d296
 	xor a
-	ld [$c003], a
+	ld [wc003], a
 	jr .asm_7d2b3
 .asm_7d296
 	jr .asm_7d2bc
@@ -202,10 +202,10 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl ; store current channel address
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -223,12 +223,12 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	and [hl]
 	ld [$ff25], a
 .asm_7d2bc
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_7d2c5
 	jr .asm_7d2e2
 .asm_7d2c5
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $86
 	jr z, .asm_7d2e2
 	jr c, .asm_7d2d0
@@ -240,12 +240,12 @@ Music1f_endchannel: ; 7d25a (1f:525a)
 	call Func_7d73b
 	ret c
 .asm_7d2d9
-	ld a, [$c005]
+	ld a, [wc005]
 	ld [$ff24], a
 	xor a
-	ld [$c005], a
+	ld [wc005], a
 .asm_7d2e2
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
 	ld [hl], b
 	ret
@@ -264,10 +264,10 @@ Music1f_callchannel: ; 7d2e8 (1f:52e8)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	push hl
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld e, l
 	ld d, h
@@ -282,7 +282,7 @@ Music1f_callchannel: ; 7d2e8 (1f:52e8)
 	inc hl
 	ld [hl], d ; overwrite current address with pointer
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 1, [hl] ; set the call flag
 	jp Music1f_endchannel
@@ -295,7 +295,7 @@ Music1f_loopchannel: ; 7d31d (1f:531d)
 	and a
 	jr z, .infiniteLoop
 	ld b, $0
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, bc
 	ld a, [hl]
 	cp e
@@ -318,7 +318,7 @@ Music1f_loopchannel: ; 7d31d (1f:531d)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	pop af
 	ld [hli], a
@@ -332,7 +332,7 @@ Music1f_notetype: ; 7d358 (1f:5358)
 	ld a, d ; yes
 	and $f
 	ld b, $0
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld [hl], a ; store low nibble as speed
 	ld a, c
@@ -345,10 +345,10 @@ Music1f_notetype: ; 7d358 (1f:5358)
 	jr z, .musicChannel3
 	cp CH6
 	jr nz, .notChannel3
-	ld hl, $c0e7
+	ld hl, wc0e7
 	jr .sfxChannel3
 .musicChannel3
-	ld hl, $c0e6
+	ld hl, wc0e6
 .sfxChannel3
 	ld a, d
 	and $f
@@ -363,7 +363,7 @@ Music1f_notetype: ; 7d358 (1f:5358)
 	; else, store volume (high nibble) and fade (low nibble)
 .notChannel3
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld [hl], d
 .noiseChannel
@@ -374,11 +374,11 @@ Music1f_togglecall: ; 7d397 (1f:5397)
 	cp $e8 ; is this command an togglecall?
 	jr nz, Music1f_vibrato ; no
 	ld b, $0 ; yes
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	ld a, [hl]
 	xor $1
-	ld [hl], a ; flip bit 0 of $c02e (toggle returning from call)
+	ld [hl], a ; flip bit 0 of wc02e (toggle returning from call)
 	jp Music1f_endchannel
 
 Music1f_vibrato: ; 7d3a9 (1f:53a9)
@@ -386,10 +386,10 @@ Music1f_vibrato: ; 7d3a9 (1f:53a9)
 	jr nz, Music1f_pitchbend ; no
 	call Music1f_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, bc
 	ld [hl], a ; store delay
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, bc
 	ld [hl], a ; store delay
 	call Music1f_GetNextMusicByte
@@ -397,7 +397,7 @@ Music1f_vibrato: ; 7d3a9 (1f:53a9)
 	and $f0
 	swap a
 	ld b, $0
-	ld hl, $c056
+	ld hl, wc056
 	add hl, bc
 	srl a
 	ld e, a
@@ -408,7 +408,7 @@ Music1f_vibrato: ; 7d3a9 (1f:53a9)
 	ld a, d
 	and $f
 	ld d, a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, bc
 	swap a
 	or d
@@ -420,7 +420,7 @@ Music1f_pitchbend: ; 7d3e1 (1f:53e1)
 	jr nz, Music1f_duty ; no
 	call Music1f_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	ld [hl], a ; store first param
 	call Music1f_GetNextMusicByte
@@ -432,14 +432,14 @@ Music1f_pitchbend: ; 7d3e1 (1f:53e1)
 	and $f
 	call Func_7d8cc
 	ld b, $0
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld [hl], d ; store unknown part of second param
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld [hl], e ; store unknown part of second param
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 4, [hl] ; set pitchbend flag
 	call Music1f_GetNextMusicByte
@@ -454,7 +454,7 @@ Music1f_duty: ; 7d419 (1f:5419)
 	rrca
 	and $c0
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store duty
 	jp Music1f_endchannel
@@ -466,25 +466,25 @@ Music1f_tempo: ; 7d42e (1f:542e)
 	cp CH4
 	jr nc, .sfxChannel
 	call Music1f_GetNextMusicByte
-	ld [$c0e8], a ; store first param
+	ld [wc0e8], a ; store first param
 	call Music1f_GetNextMusicByte
-	ld [$c0e9], a ; store second param
+	ld [wc0e9], a ; store second param
 	xor a
-	ld [$c0ce], a ; clear RAM
-	ld [$c0cf], a
-	ld [$c0d0], a
-	ld [$c0d1], a
+	ld [wc0ce], a ; clear RAM
+	ld [wc0cf], a
+	ld [wc0d0], a
+	ld [wc0d1], a
 	jr .musicChannelDone
 .sfxChannel
 	call Music1f_GetNextMusicByte
-	ld [$c0ea], a ; store first param
+	ld [wc0ea], a ; store first param
 	call Music1f_GetNextMusicByte
-	ld [$c0eb], a ; store second param
+	ld [wc0eb], a ; store second param
 	xor a
-	ld [$c0d2], a ; clear RAM
-	ld [$c0d3], a
-	ld [$c0d4], a
-	ld [$c0d5], a
+	ld [wc0d2], a ; clear RAM
+	ld [wc0d3], a
+	ld [wc0d4], a
+	ld [wc0d5], a
 .musicChannelDone
 	jp Music1f_endchannel
 
@@ -492,7 +492,7 @@ Music1f_unknownmusic0xee: ; 7d46e (1f:546e)
 	cp $ee ; is this command an unknownmusic0xee?
 	jr nz, Music1f_unknownmusic0xef ; no
 	call Music1f_GetNextMusicByte ; yes
-	ld [$c004], a ; store first param
+	ld [wc004], a ; store first param
 	jp Music1f_endchannel
 
 ; this appears to never be used
@@ -503,13 +503,13 @@ Music1f_unknownmusic0xef: ; 7d47b (1f:547b)
 	push bc
 	call Func_7d8ea
 	pop bc
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .skip
-	ld a, [$c02d]
-	ld [$c003], a
+	ld a, [wc02d]
+	ld [wc003], a
 	xor a
-	ld [$c02d], a
+	ld [wc02d], a
 .skip
 	jp Music1f_endchannel
 
@@ -518,14 +518,14 @@ Music1f_dutycycle: ; 7d49a (1f:549a)
 	jr nz, Music1f_stereopanning ; no
 	call Music1f_GetNextMusicByte ; yes
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld [hl], a ; store full cycle
 	and $c0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld [hl], a ; store first duty
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 6, [hl] ; set duty flag
 	jp Music1f_endchannel
@@ -541,7 +541,7 @@ Music1f_executemusic: ; 7d4c4 (1f:54c4)
 	cp $f8 ; is this command an executemusic?
 	jr nz, Music1f_octave ; no
 	ld b, $0 ; yes
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	set 0, [hl]
 	jp Music1f_endchannel
@@ -550,7 +550,7 @@ Music1f_octave: ; 7d4d3 (1f:54d3)
 	and $f0
 	cp $e0 ; is this command an octave?
 	jr nz, Music1f_unknownsfx0x20 ; no
-	ld hl, $c0d6 ; yes
+	ld hl, wc0d6 ; yes
 	ld b, $0
 	add hl, bc
 	ld a, d
@@ -565,14 +565,14 @@ Music1f_unknownsfx0x20: ; 7d4e6 (1f:54e6)
 	cp CH3 ; is this a noise or sfx channel?
 	jr c, Music1f_unknownsfx0x10 ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music1f_unknownsfx0x10 ; no
 	call Music1f_notelength ; yes
 	ld d, a
 	ld b, $0
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -611,7 +611,7 @@ Music1f_unknownsfx0x10 ; 7d533 (1f:5533)
 	cp $10 ; is this command an unknownsfx0x10?
 	jr nz, Music1f_note ; no
 	ld b, $0
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music1f_note ; no
@@ -646,7 +646,7 @@ Music1f_dnote: ; 7d569 (1f:5569)
 	call Music1f_GetNextMusicByte ; get dnote instrument
 asm_7d571
 	ld d, a
-	ld a, [$c003]
+	ld a, [wc003]
 	and a
 	jr nz, .asm_7d57c
 	ld a, d
@@ -663,7 +663,7 @@ Music1f_notelength: ; 7d57e (1f:557e)
 	ld b, $0
 	ld e, a  ; store note length (in 16ths)
 	ld d, b
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, bc
 	ld a, [hl]
 	ld l, b
@@ -671,9 +671,9 @@ Music1f_notelength: ; 7d57e (1f:557e)
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld a, [$c0e8]
+	ld a, [wc0e8]
 	ld d, a
-	ld a, [$c0e9]
+	ld a, [wc0e9]
 	ld e, a
 	jr .skip
 .sfxChannel
@@ -682,31 +682,31 @@ Music1f_notelength: ; 7d57e (1f:557e)
 	cp CH7
 	jr z, .skip ; if noise channel
 	call Func_7d707
-	ld a, [$c0ea]
+	ld a, [wc0ea]
 	ld d, a
-	ld a, [$c0eb]
+	ld a, [wc0eb]
 	ld e, a
 .skip
 	ld a, l
 	ld b, $0
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld l, [hl]
 	call Func_7d8bb
 	ld e, l
 	ld d, h
-	ld hl, $c0ce
+	ld hl, wc0ce
 	add hl, bc
 	ld [hl], e
 	ld a, d
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, bc
 	bit 0, [hl]
 	jr nz, Music1f_notepitch
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 2, [hl]
 	jr z, Music1f_notepitch
@@ -721,7 +721,7 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 	ld a, c
 	cp CH4
 	jr nc, .sfxChannel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
@@ -754,12 +754,12 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 .notRest
 	swap a
 	ld b, $0
-	ld hl, $c0d6
+	ld hl, wc0d6
 	add hl, bc
 	ld b, [hl]
 	call Func_7d8cc
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 4, [hl]
 	jr z, .asm_7d62c
@@ -769,7 +769,7 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 	ld a, c
 	cp CH4
 	jr nc, .skip ; if sfx Channel
-	ld hl, $c02a
+	ld hl, wc02a
 	ld d, $0
 	ld e, a
 	add hl, de
@@ -782,7 +782,7 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 	ret
 .skip
 	ld b, $0
-	ld hl, $c0de
+	ld hl, wc0de
 	add hl, bc
 	ld d, [hl]
 	ld b, $2
@@ -792,7 +792,7 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 	call Func_7d66c
 	pop de
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 0, [hl]
 	jr z, .asm_7d663
@@ -800,7 +800,7 @@ Music1f_notepitch: ; 7d5dc (1f:55dc)
 	jr nc, .asm_7d663
 	inc d
 .asm_7d663
-	ld hl, $c066
+	ld hl, wc066
 	add hl, bc
 	ld [hl], e
 	call Func_7d6bf
@@ -818,13 +818,13 @@ Func_7d66c: ; 7d66c (1f:566c)
 	jr z, .sfxNoiseChannel
 	cp CH4
 	jr nc, .skip ; if sfx channel
-	ld hl, $c02a
+	ld hl, wc02a
 	add hl, bc
 	ld a, [hl]
 	and a
 	jr nz, .skip
 .sfxNoiseChannel
-	ld a, [$c004]
+	ld a, [wc004]
 	ld hl, Unknown_7db9b
 	add hl, bc
 	and [hl]
@@ -842,7 +842,7 @@ Func_7d66c: ; 7d66c (1f:566c)
 
 Func_7d69d: ; 7d69d (1f:569d)
 	ld b, $0
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld d, [hl]
 	ld a, c
@@ -853,7 +853,7 @@ Func_7d69d: ; 7d69d (1f:569d)
 	ld a, d
 	and $3f
 	ld d, a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, bc
 	ld a, [hl]
 	or d
@@ -873,10 +873,10 @@ Func_7d6bf: ; 7d6bf (1f:56bf)
 	; fall through
 .channel3
 	push de
-	ld de, $c0e6
+	ld de, wc0e6
 	cp CH2
 	jr z, .musicChannel3
-	ld de, $c0e7
+	ld de, wc0e7
 .musicChannel3
 	ld a, [de]
 	add a
@@ -919,27 +919,27 @@ Func_7d707: ; 7d707 (1f:5707)
 	call Func_7d759
 	jr nc, .asm_7d71f
 	ld d, $0
-	ld a, [$c0f2]
+	ld a, [wc0f2]
 	add $80
 	jr nc, .asm_7d716
 	inc d
 .asm_7d716
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, d
-	ld [$c0ea], a
+	ld [wc0ea], a
 	jr .asm_7d728
 .asm_7d71f
 	xor a
-	ld [$c0eb], a
+	ld [wc0eb], a
 	ld a, $1
-	ld [$c0ea], a
+	ld [wc0ea], a
 .asm_7d728
 	ret
 
 Func_7d729: ; 7d729 (1f:5729)
 	call Func_7d759
 	jr nc, .asm_7d73a
-	ld a, [$c0f1]
+	ld a, [wc0f1]
 	add e
 	jr nc, .asm_7d735
 	inc d
@@ -955,7 +955,7 @@ Func_7d729: ; 7d729 (1f:5729)
 Func_7d73b: ; 7d73b (1f:573b)
 	call Func_7d759
 	jr nc, .asm_7d756
-	ld hl, $c006
+	ld hl, wc006
 	ld e, c
 	ld d, $0
 	sla e
@@ -976,7 +976,7 @@ Func_7d73b: ; 7d73b (1f:573b)
 	ret
 
 Func_7d759: ; 7d759 (1f:5759)
-	ld a, [$c02a]
+	ld a, [wc02a]
 	cp $14
 	jr nc, .asm_7d762
 	jr .asm_7d768
@@ -993,27 +993,27 @@ Func_7d759: ; 7d759 (1f:5759)
 	ret
 
 Music1f_ApplyPitchBend: ; 7d76d (1f:576d)
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	bit 5, [hl]
 	jp nz, .asm_7d7b4
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld l, [hl]
 	ld h, b
 	add hl, de
 	ld d, h
 	ld e, l
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	push hl
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	pop hl
@@ -1025,26 +1025,26 @@ Music1f_ApplyPitchBend: ; 7d76d (1f:576d)
 	ld a, $0
 	adc d
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	cp d
 	jp c, .asm_7d7fa
 	jr nz, .asm_7d7e7
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	cp e
 	jp c, .asm_7d7fa
 	jr .asm_7d7e7
 .asm_7d7b4
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld e, [hl]
 	sub e
@@ -1052,7 +1052,7 @@ Music1f_ApplyPitchBend: ; 7d76d (1f:576d)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld a, [hl]
 	add a
@@ -1063,22 +1063,22 @@ Music1f_ApplyPitchBend: ; 7d76d (1f:576d)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, d
 	cp [hl]
 	jr c, .asm_7d7fa
 	jr nz, .asm_7d7e7
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	cp [hl]
 	jr c, .asm_7d7fa
 .asm_7d7e7
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
 	ld b, $3
@@ -1088,54 +1088,54 @@ Music1f_ApplyPitchBend: ; 7d76d (1f:576d)
 	ld [hl], d
 	ret
 .asm_7d7fa
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 4, [hl]
 	res 5, [hl]
 	ret
 
 Func_7d803: ; 7d803 (1f:5803)
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld [hl], d
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld [hl], e
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, bc
 	ld a, [hl]
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 	sub [hl]
 	jr nc, .asm_7d81b
 	ld a, $1
 .asm_7d81b
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, e
 	sub [hl]
 	ld e, a
 	ld a, d
 	sbc b
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	sub [hl]
 	jr c, .asm_7d837
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 5, [hl]
 	jr .asm_7d85a
 .asm_7d837
-	ld hl, $c096
+	ld hl, wc096
 	add hl, bc
 	ld d, [hl]
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, bc
 	ld e, [hl]
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, bc
 	ld a, [hl]
 	sub e
@@ -1143,17 +1143,17 @@ Func_7d803: ; 7d803 (1f:5803)
 	ld a, d
 	sbc b
 	ld d, a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, bc
 	ld a, [hl]
 	sub d
 	ld d, a
 	ld b, $0
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	res 5, [hl]
 .asm_7d85a
-	ld hl, $c076
+	ld hl, wc076
 	add hl, bc
 .asm_7d85e
 	inc b
@@ -1172,20 +1172,20 @@ Func_7d803: ; 7d803 (1f:5803)
 	add [hl]
 	ld d, b
 	ld b, $0
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, bc
 	ld [hl], d
-	ld hl, $c086
+	ld hl, wc086
 	add hl, bc
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, bc
 	ld [hl], a
 	ret
 
 Music1f_ApplyDutyCycle: ; 7d881 (1f:5881)
 	ld b, $0
-	ld hl, $c046
+	ld hl, wc046
 	add hl, bc
 	ld a, [hl]
 	rlca
@@ -1206,7 +1206,7 @@ Music1f_GetNextMusicByte: ; 7d899 (1f:5899)
 	ld a, c
 	add a
 	ld e, a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld a, [hli]
 	ld e, a
@@ -1274,7 +1274,7 @@ Func_7d8cc: ; 7d8cc (1f:58cc)
 	ret
 
 Func_7d8ea:: ; 7d8ea (1f:58ea)
-	ld [$c001], a
+	ld [wc001], a
 	cp $ff
 	jp z, Func_7daa8
 	cp $c2
@@ -1285,63 +1285,63 @@ Func_7d8ea:: ; 7d8ea (1f:58ea)
 	jp nc, Func_7d9c2
 .asm_7d901
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c0e9], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc0e9], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $8
-	ld hl, $c016
+	ld hl, wc016
 	call FillMusicRAM1f
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM1f
 	ld d, $4
-	ld hl, $c026
+	ld hl, wc026
 	call FillMusicRAM1f
-	ld hl, $c02e
+	ld hl, wc02e
 	call FillMusicRAM1f
-	ld hl, $c03e
+	ld hl, wc03e
 	call FillMusicRAM1f
-	ld hl, $c046
+	ld hl, wc046
 	call FillMusicRAM1f
-	ld hl, $c04e
+	ld hl, wc04e
 	call FillMusicRAM1f
-	ld hl, $c056
+	ld hl, wc056
 	call FillMusicRAM1f
-	ld hl, $c05e
+	ld hl, wc05e
 	call FillMusicRAM1f
-	ld hl, $c066
+	ld hl, wc066
 	call FillMusicRAM1f
-	ld hl, $c06e
+	ld hl, wc06e
 	call FillMusicRAM1f
-	ld hl, $c036
+	ld hl, wc036
 	call FillMusicRAM1f
-	ld hl, $c076
+	ld hl, wc076
 	call FillMusicRAM1f
-	ld hl, $c07e
+	ld hl, wc07e
 	call FillMusicRAM1f
-	ld hl, $c086
+	ld hl, wc086
 	call FillMusicRAM1f
-	ld hl, $c08e
+	ld hl, wc08e
 	call FillMusicRAM1f
-	ld hl, $c096
+	ld hl, wc096
 	call FillMusicRAM1f
-	ld hl, $c09e
+	ld hl, wc09e
 	call FillMusicRAM1f
-	ld hl, $c0a6
+	ld hl, wc0a6
 	call FillMusicRAM1f
-	ld hl, $c0ae
+	ld hl, wc0ae
 	call FillMusicRAM1f
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	call FillMusicRAM1f
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM1f
-	ld hl, $c0c6
+	ld hl, wc0c6
 	call FillMusicRAM1f
-	ld [$c0e8], a
+	ld [wc0e8], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	xor a
 	ld [$ff24], a
 	ld a, $8
@@ -1366,9 +1366,9 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	ld de, SFX_Headers_1f
 	add hl, de
 	ld a, h
-	ld [$c0ec], a
+	ld [wc0ec], a
 	ld a, l
-	ld [$c0ed], a
+	ld [wc0ed], a
 	ld a, [hl]
 	and $c0
 	rlca
@@ -1381,9 +1381,9 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	add c
 	ld c, a
 	ld b, $0
-	ld a, [$c0ec]
+	ld a, [wc0ec]
 	ld h, a
-	ld a, [$c0ed]
+	ld a, [wc0ed]
 	ld l, a
 	add hl, bc
 	ld c, d
@@ -1391,7 +1391,7 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	and $f
 	ld e, a
 	ld d, $0
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld a, [hl]
 	and a
@@ -1399,7 +1399,7 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	ld a, e
 	cp $7
 	jr nz, .asm_7da0e
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_7da07
 	ret
@@ -1409,7 +1409,7 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	jr z, .asm_7da17
 	jr c, .asm_7da17
 .asm_7da0e
-	ld a, [$c001]
+	ld a, [wc001]
 	cp [hl]
 	jr z, .asm_7da17
 	jr c, .asm_7da17
@@ -1422,77 +1422,77 @@ Func_7d9c2: ; 7d9c2 (1f:59c2)
 	add hl, hl
 	ld d, h
 	ld e, l
-	ld hl, $c016
+	ld hl, wc016
 	add hl, de
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c006
+	ld hl, wc006
 	add hl, de
 	ld [hli], a
 	ld [hl], a
 	pop de
-	ld hl, $c026
+	ld hl, wc026
 	add hl, de
 	ld [hl], a
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, de
 	ld [hl], a
-	ld hl, $c03e
+	ld hl, wc03e
 	add hl, de
 	ld [hl], a
-	ld hl, $c046
+	ld hl, wc046
 	add hl, de
 	ld [hl], a
-	ld hl, $c04e
+	ld hl, wc04e
 	add hl, de
 	ld [hl], a
-	ld hl, $c056
+	ld hl, wc056
 	add hl, de
 	ld [hl], a
-	ld hl, $c05e
+	ld hl, wc05e
 	add hl, de
 	ld [hl], a
-	ld hl, $c066
+	ld hl, wc066
 	add hl, de
 	ld [hl], a
-	ld hl, $c06e
+	ld hl, wc06e
 	add hl, de
 	ld [hl], a
-	ld hl, $c076
+	ld hl, wc076
 	add hl, de
 	ld [hl], a
-	ld hl, $c07e
+	ld hl, wc07e
 	add hl, de
 	ld [hl], a
-	ld hl, $c086
+	ld hl, wc086
 	add hl, de
 	ld [hl], a
-	ld hl, $c08e
+	ld hl, wc08e
 	add hl, de
 	ld [hl], a
-	ld hl, $c096
+	ld hl, wc096
 	add hl, de
 	ld [hl], a
-	ld hl, $c09e
+	ld hl, wc09e
 	add hl, de
 	ld [hl], a
-	ld hl, $c0a6
+	ld hl, wc0a6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0ae
+	ld hl, wc0ae
 	add hl, de
 	ld [hl], a
-	ld hl, $c036
+	ld hl, wc036
 	add hl, de
 	ld [hl], a
 	ld a, $1
-	ld hl, $c0be
+	ld hl, wc0be
 	add hl, de
 	ld [hl], a
-	ld hl, $c0b6
+	ld hl, wc0b6
 	add hl, de
 	ld [hl], a
-	ld hl, $c0c6
+	ld hl, wc0c6
 	add hl, de
 	ld [hl], a
 	ld a, e
@@ -1526,24 +1526,24 @@ Func_7daa8: ; 7daa8 (1f:5aa8)
 	ld a, $77
 	ld [$ff24], a
 	xor a
-	ld [$c000], a
-	ld [$c003], a
-	ld [$c002], a
-	ld [$c0e9], a
-	ld [$c0eb], a
-	ld [$c0e6], a
-	ld [$c0e7], a
+	ld [wc000], a
+	ld [wc003], a
+	ld [wc002], a
+	ld [wc0e9], a
+	ld [wc0eb], a
+	ld [wc0e6], a
+	ld [wc0e7], a
 	ld d, $a0
-	ld hl, $c006
+	ld hl, wc006
 	call FillMusicRAM1f
 	ld a, $1
 	ld d, $18
-	ld hl, $c0b6
+	ld hl, wc0b6
 	call FillMusicRAM1f
-	ld [$c0e8], a
-	ld [$c0ea], a
+	ld [wc0e8], a
+	ld [wc0ea], a
 	ld a, $ff
-	ld [$c004], a
+	ld [wc004], a
 	ret
 
 ; fills d bytes at hl with a
@@ -1556,7 +1556,7 @@ FillMusicRAM1f: ; 7dafd (1f:5afd)
 	ret
 
 Func_7db03: ; 7db03 (1f:5b03)
-	ld a, [$c001]
+	ld a, [wc001]
 	ld l, a
 	ld e, a
 	ld h, $0
@@ -1567,7 +1567,7 @@ Func_7db03: ; 7db03 (1f:5b03)
 	add hl, de
 	ld e, l
 	ld d, h
-	ld hl, $c006
+	ld hl, wc006
 	ld a, [de] ; get channel number
 	ld b, a
 	rlca
@@ -1593,14 +1593,14 @@ Func_7db03: ; 7db03 (1f:5b03)
 	push af
 	ld b, $0
 	ld c, a
-	ld hl, $c026
+	ld hl, wc026
 	add hl, bc
-	ld a, [$c001]
+	ld a, [wc001]
 	ld [hl], a
 	pop af
 	cp $3
 	jr c, .asm_7db46
-	ld hl, $c02e
+	ld hl, wc02e
 	add hl, bc
 	set 2, [hl]
 .asm_7db46
@@ -1619,32 +1619,32 @@ Func_7db03: ; 7db03 (1f:5b03)
 	ld a, [de]
 	inc de
 	jr nz, .asm_7db25
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $14
 	jr nc, .asm_7db5f
 	jr .asm_7db89
 .asm_7db5f
-	ld a, [$c001]
+	ld a, [wc001]
 	cp $86
 	jr z, .asm_7db89
 	jr c, .asm_7db6a
 	jr .asm_7db89
 .asm_7db6a
-	ld hl, $c02a
+	ld hl, wc02a
 	ld [hli], a
 	ld [hli], a
 	ld [hli], a
 	ld [hl], a
-	ld hl, $c012 ; sfx noise channel pointer
+	ld hl, wc012 ; sfx noise channel pointer
 	ld de, Noise1f_endchannel
 	ld [hl], e
 	inc hl
 	ld [hl], d ; overwrite pointer to point to endchannel
-	ld a, [$c005]
+	ld a, [wc005]
 	and a
 	jr nz, .asm_7db89
 	ld a, [$ff24]
-	ld [$c005], a
+	ld [wc005], a
 	ld a, $77
 	ld [$ff24], a
 .asm_7db89