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-rw-r--r--audio/engine.asm154
1 files changed, 77 insertions, 77 deletions
diff --git a/audio/engine.asm b/audio/engine.asm
index 734d45f15..2842288b2 100644
--- a/audio/engine.asm
+++ b/audio/engine.asm
@@ -40,7 +40,7 @@ _SoundRestart:: ; e8000
ld hl, Channel1 ; start of channel data
ld de, $01bf ; length of area to clear (entire sound wram area)
-.clearchannels ; clear $c101-$c2bf
+.clearchannels ; clear Channel1-$c2bf
xor a
ld [hli], a
dec de
@@ -129,15 +129,15 @@ _UpdateSound:: ; e805c
ld hl, Channel1DutyCycle - Channel1
add hl, bc
ld a, [hli]
- ld [$c292], a
+ ld [wc292], a
; intensity
ld a, [hli]
- ld [$c293], a
+ ld [wc293], a
; frequency
ld a, [hli]
- ld [$c294], a
+ ld [wc294], a
ld a, [hl]
- ld [$c295], a
+ ld [wc295], a
;
call Functione8466 ; handle vibrato and other things
call HandleNoise
@@ -151,16 +151,16 @@ _UpdateSound:: ; e805c
jr nc, .next
; are any sfx channels active?
; if so, mute
- ld hl, $c1cc ; Channel5Flags
+ ld hl, Channel5Flags
bit 0, [hl]
jr nz, .restnote
- ld hl, $c1fe ; Channel6Flags
+ ld hl, Channel6Flags
bit 0, [hl]
jr nz, .restnote
- ld hl, $c230 ; Channel7Flags
+ ld hl, Channel7Flags
bit 0, [hl]
jr nz, .restnote
- ld hl, $c262 ; Channel8Flags
+ ld hl, Channel8Flags
bit 0, [hl]
jr z, .next
.restnote
@@ -261,14 +261,14 @@ UpdateChannels: ; e8125
jr nz, .asm_e8184
jr .asm_e8175
.asm_e816b
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR13], a
- ld a, [$c295]
+ ld a, [wc295]
ld [rNR14], a
.asm_e8175
bit 0, [hl]
ret z
- ld a, [$c292]
+ ld a, [wc292]
ld d, a
ld a, [rNR11]
and a, $3f ; sound length
@@ -276,13 +276,13 @@ UpdateChannels: ; e8125
ld [rNR11], a
ret
.asm_e8184
- ld a, [$c292]
+ ld a, [wc292]
ld d, a
ld a, [rNR11]
and a, $3f ; sound length
or d
ld [rNR11], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR13], a
ret
.ch1rest
@@ -293,15 +293,15 @@ UpdateChannels: ; e8125
call ClearChannel
ret
.asm_e81a2
- ld hl, $c292
+ ld hl, wc292
ld a, $3f ; sound length
or [hl]
ld [rNR11], a
- ld a, [$c293]
+ ld a, [wc293]
ld [rNR12], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR13], a
- ld a, [$c295]
+ ld a, [wc295]
or a, $80
ld [rNR14], a
ret
@@ -318,7 +318,7 @@ UpdateChannels: ; e8125
jr nz, .asm_e81e6
bit 0, [hl]
ret z
- ld a, [$c292]
+ ld a, [wc292]
ld d, a
ld a, [rNR21]
and a, $3f ; sound length
@@ -326,19 +326,19 @@ UpdateChannels: ; e8125
ld [rNR21], a
ret
.asm_e81db ; unused
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR23], a
- ld a, [$c295]
+ ld a, [wc295]
ld [rNR24], a
ret
.asm_e81e6
- ld a, [$c292]
+ ld a, [wc292]
ld d, a
ld a, [rNR21]
and a, $3f ; sound length
or d
ld [rNR21], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR23], a
ret
.ch2rest
@@ -349,15 +349,15 @@ UpdateChannels: ; e8125
call ClearChannel
ret
.asm_e8204
- ld hl, $c292
+ ld hl, wc292
ld a, $3f ; sound length
or [hl]
ld [rNR21], a
- ld a, [$c293]
+ ld a, [wc293]
ld [rNR22], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR23], a
- ld a, [$c295]
+ ld a, [wc295]
or a, $80 ; initial (restart)
ld [rNR24], a
ret
@@ -374,13 +374,13 @@ UpdateChannels: ; e8125
jr nz, .asm_e823a
ret
.asm_e822f ; unused
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR33], a
- ld a, [$c295]
+ ld a, [wc295]
ld [rNR34], a
ret
.asm_e823a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR33], a
ret
.ch3rest
@@ -398,15 +398,15 @@ UpdateChannels: ; e8125
call .asm_e8268
ld a, $80
ld [rNR30], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR33], a
- ld a, [$c295]
+ ld a, [wc295]
or a, $80
ld [rNR34], a
ret
.asm_e8268
push hl
- ld a, [$c293]
+ ld a, [wc293]
and a, $0f ; only 0-9 are valid
ld l, a
ld h, $00
@@ -453,7 +453,7 @@ UpdateChannels: ; e8125
ld a, [hli]
ld [$ff3f], a
pop hl
- ld a, [$c293]
+ ld a, [wc293]
and a, $f0
sla a
ld [rNR32], a
@@ -469,7 +469,7 @@ UpdateChannels: ; e8125
jr nz, .asm_e82d4
ret
.asm_e82c1 ; unused
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR43], a
ret
.ch4rest
@@ -482,9 +482,9 @@ UpdateChannels: ; e8125
.asm_e82d4
ld a, $3f ; sound length
ld [rNR41], a
- ld a, [$c293]
+ ld a, [wc293]
ld [rNR42], a
- ld a, [$c294]
+ ld a, [wc294]
ld [rNR43], a
ld a, $80
ld [rNR44], a
@@ -493,16 +493,16 @@ UpdateChannels: ; e8125
_CheckSFX: ; e82e7
; return carry if any sfx channels are active
- ld hl, $c1cc ; Channel5Flags
+ ld hl, Channel5Flags
bit 0, [hl]
jr nz, .sfxon
- ld hl, $c1fe ; Channel6Flags
+ ld hl, Channel6Flags
bit 0, [hl]
jr nz, .sfxon
- ld hl, $c230 ; Channel7Flags
+ ld hl, Channel7Flags
bit 0, [hl]
jr nz, .sfxon
- ld hl, $c262 ; Channel8Flags
+ ld hl, Channel8Flags
bit 0, [hl]
jr nz, .sfxon
and a
@@ -692,7 +692,7 @@ LoadNote: ; e83d1
ld hl, Channel1NoteDuration - Channel1
add hl, bc
ld a, [hl]
- ld hl, $c297 ; ????
+ ld hl, wc297 ; ????
sub [hl]
jr nc, .ok
ld a, $01
@@ -771,7 +771,7 @@ LoadNote: ; e83d1
ld d, a
.asm_e843e
push bc
- ld hl, $c297
+ ld hl, wc297
ld b, $00 ; loop count
.loop
inc b
@@ -806,7 +806,7 @@ LoadNote: ; e83d1
Functione8466: ; e8466
; handle vibrato and other things
-; unknowns: $c292, $c294
+; unknowns: wc292, $c294
ld hl, Channel1Flags2 - Channel1
add hl, bc
bit 2, [hl]
@@ -818,7 +818,7 @@ Functione8466: ; e8466
rlca
ld [hl], a
and a, $c0
- ld [$c292], a
+ ld [wc292], a
ld hl, Channel1NoteFlags - Channel1
add hl, bc
set 0, [hl]
@@ -832,14 +832,14 @@ Functione8466: ; e8466
ld e, [hl]
inc hl
ld d, [hl]
- ld hl, $c294
+ ld hl, wc294
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
ld e, l
ld d, h
- ld hl, $c294
+ ld hl, wc294
ld [hl], e
inc hl
ld [hl], d
@@ -880,7 +880,7 @@ Functione8466: ; e8466
or [hl]
ld [hl], a
; ????
- ld a, [$c294]
+ ld a, [wc294]
ld e, a
; toggle vibrato up/down
ld hl, Channel1Flags3 - Channel1
@@ -912,7 +912,7 @@ Functione8466: ; e8466
jr nc, .asm_e84ef
ld a, $ff
.asm_e84ef
- ld [$c294], a
+ ld [wc294], a
;
ld hl, Channel1NoteFlags - Channel1
add hl, bc
@@ -1038,7 +1038,7 @@ HandleNoise: ; e858c
bit 2, a ; sfx
jr nz, .next
; is ch8 on? (noise)
- ld hl, $c262 ; Channel8Flags
+ ld hl, Channel8Flags
bit 0, [hl] ; on?
jr z, .next
; is ch8 playing noise?
@@ -1046,11 +1046,11 @@ HandleNoise: ; e858c
ret nz ; quit if so
;
.next
- ld a, [$c2a2]
+ ld a, [wc2a2]
and a
jr z, ReadNoiseSample
dec a
- ld [$c2a2], a
+ ld [wc2a2], a
ret
; e85af
@@ -1081,15 +1081,15 @@ ReadNoiseSample: ; e85af
and $f
inc a
- ld [$c2a2], a
+ ld [wc2a2], a
ld a, [de]
inc de
- ld [$c293], a
+ ld [wc293], a
ld a, [de]
inc de
- ld [$c294], a
+ ld [wc294], a
xor a
- ld [$c295], a
+ ld [wc295], a
ld hl, NoiseSampleAddress
ld [hl], e
@@ -1218,10 +1218,10 @@ RestoreVolume: ; e8679
cp a, $04
ret nz
xor a
- ld hl, $c222
+ ld hl, Channel6CryPitch
ld [hli], a
ld [hl], a
- ld hl, $c286
+ ld hl, Channel8CryPitch
ld [hli], a
ld [hl], a
ld a, [LastVolume]
@@ -1279,7 +1279,7 @@ GetNoiseSample: ; e86c5
ld a, [CurChannel]
bit 2, a ; are we in a sfx channel?
jr nz, .sfx
- ld hl, $c262 ; Channel8Flags
+ ld hl, Channel8Flags
bit 0, [hl] ; is ch8 on? (noise)
ret nz
ld a, [MusicNoiseSampleSet]
@@ -1315,7 +1315,7 @@ GetNoiseSample: ; e86c5
ld [NoiseSampleAddressHi], a
; clear ????
xor a
- ld [$c2a2], a
+ ld [wc2a2], a
ret
; e870f
@@ -1608,8 +1608,8 @@ MusicEE; e883e
and a, $03 ; ch0-3
ld e, a
ld d, $00
- ; hl = $c2b8 + channel id
- ld hl, $c2b8
+ ; hl = wc2b8 + channel id
+ ld hl, wc2b8
add hl, de
; if set, jump
ld a, [hl]
@@ -1652,7 +1652,7 @@ MusicF9: ; e886d
; seems to be unused
; params: 0
ld a, $01
- ld [$c2b5], a
+ ld [wc2b5], a
ret
; e8873
@@ -1729,7 +1729,7 @@ MusicE0: ; e88bd
; ????
; params: 2
call GetMusicByte
- ld [$c297], a
+ ld [wc297], a
call GetMusicByte
ld d, a
and a, $0f
@@ -2350,14 +2350,14 @@ _PlayMusic:: ; e8b30
dec a
jr nz, .loop
xor a
- ld [$c2b5], a
- ld [$c2b8], a
- ld [$c2b9], a
- ld [$c2ba], a
- ld [$c2bb], a
+ ld [wc2b5], a
+ ld [wc2b8], a
+ ld [wc2b9], a
+ ld [wc2ba], a
+ ld [wc2bb], a
ld [NoiseSampleAddressLo], a
ld [NoiseSampleAddressHi], a
- ld [$c2a2], a
+ ld [wc2a2], a
ld [MusicNoiseSampleSet], a
call MusicOn
ret
@@ -2432,7 +2432,7 @@ _PlayCryHeader:: ; e8b79
ld [hl], a
.start
call StartChannel
- ld a, [$c2bc]
+ ld a, [wc2bc]
and a
jr z, .next
@@ -2479,7 +2479,7 @@ _PlayCryHeader:: ; e8b79
_PlaySFX:: ; e8c04
; clear channels if they aren't already
call MusicOff
- ld hl, $c1cc ; Channel5Flags
+ ld hl, Channel5Flags
bit 0, [hl] ; ch5 on?
jr z, .ch6
res 0, [hl] ; turn it off
@@ -2495,7 +2495,7 @@ _PlaySFX:: ; e8c04
ld [SoundInput], a ; global sound off
ld [rNR10], a ; sweep = 0
.ch6
- ld hl, $c1fe ; ch6 on?
+ ld hl, Channel6Flags
bit 0, [hl]
jr z, .ch7
res 0, [hl] ; turn it off
@@ -2508,7 +2508,7 @@ _PlaySFX:: ; e8c04
ld a, $80
ld [rNR24], a ; restart sound (freq hi = 0)
.ch7
- ld hl, $c230 ; ch7 on?
+ ld hl, Channel7Flags
bit 0, [hl]
jr z, .ch8
res 0, [hl] ; turn it off
@@ -2522,7 +2522,7 @@ _PlaySFX:: ; e8c04
ld a, $80
ld [rNR34], a ; restart sound (freq hi = 0)
.ch8
- ld hl, $c262 ; ch8 on?
+ ld hl, Channel8Flags
bit 0, [hl]
jr z, .chscleared
res 0, [hl] ; turn it off
@@ -2631,7 +2631,7 @@ PlayStereoSFX:: ; e8ca6
call GetLRTracks
add hl, de
ld a, [hl]
- ld hl, $c2bc
+ ld hl, wc2bc
and [hl]
ld hl, Channel1Tracks - Channel1
@@ -2647,7 +2647,7 @@ PlayStereoSFX:: ; e8ca6
jr c, .asm_e8d0c
; ch3-4
- ld a, [$c2be]
+ ld a, [wc2be]
ld hl, $002e ; $c12f - Channel1
add hl, bc
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-26 22:09:09 +0000