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Diffstat (limited to 'audio/engine_2.asm')
-rw-r--r--audio/engine_2.asm540
1 files changed, 270 insertions, 270 deletions
diff --git a/audio/engine_2.asm b/audio/engine_2.asm
index 62b82cec..e70a305f 100644
--- a/audio/engine_2.asm
+++ b/audio/engine_2.asm
@@ -4,7 +4,7 @@ Audio2_UpdateMusic:: ; 21879 (8:5879)
ld c, CH0
.loop
ld b, $0
- ld hl, wc026
+ ld hl, wChannelSoundIDs
add hl, bc
ld a, [hl]
and a
@@ -12,18 +12,18 @@ Audio2_UpdateMusic:: ; 21879 (8:5879)
ld a, c
cp CH4
jr nc, .applyAffects ; if sfx channel
- ld a, [wc002]
+ ld a, [wMuteAudioAndPauseMusic]
and a
jr z, .applyAffects
bit 7, a
jr nz, .nextChannel
set 7, a
- ld [wc002], a
+ ld [wMuteAudioAndPauseMusic], a
xor a
- ld [$ff25], a
- ld [$ff1a], a
+ ld [rNR51], a
+ ld [rNR30], a
ld a, $80
- ld [$ff1a], a
+ ld [rNR30], a
jr .nextChannel
.applyAffects
call Audio2_ApplyMusicAffects
@@ -36,7 +36,7 @@ Audio2_UpdateMusic:: ; 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 wc02e:
+; known flags for wChannelFlags1:
; 0: toggleperfectpitch has been used
; 1: call has been used
; 3: a toggle used only by this routine for vibrato
@@ -44,7 +44,7 @@ Audio2_UpdateMusic:: ; 21879 (8:5879)
; 6: dutycycle flag
Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
ld b, $0
- ld hl, wc0b6 ; delay until next note
+ ld hl, wChannelNoteDelayCounters ; delay until next note
add hl, bc
ld a, [hl]
cp $1 ; if the delay is 1, play next note
@@ -54,36 +54,36 @@ Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
ld a, c
cp CH4
jr nc, .startChecks ; if a sfx channel
- ld hl, wc02a
+ ld hl, wChannelSoundIDs + CH4
add hl, bc
ld a, [hl]
and a
jr z, .startChecks
ret
.startChecks
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 6, [hl] ; dutycycle
jr z, .checkForExecuteMusic
call Audio2_ApplyDutyCycle
.checkForExecuteMusic
ld b, $0
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
bit 0, [hl]
jr nz, .checkForPitchBend
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 2, [hl]
jr nz, .disablePitchBendVibrato
.checkForPitchBend
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 4, [hl] ; pitchbend
jr z, .checkVibratoDelay
jp Audio2_ApplyPitchBend
.checkVibratoDelay
- ld hl, wc04e ; vibrato delay
+ ld hl, wChannelVibratoDelayCounters ; vibrato delay
add hl, bc
ld a, [hl]
and a ; check if delay is over
@@ -92,7 +92,7 @@ Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
.disablePitchBendVibrato
ret
.checkForVibrato
- ld hl, wc056 ; vibrato rate
+ ld hl, wChannelVibratoExtents ; vibrato rate
add hl, bc
ld a, [hl]
and a
@@ -100,7 +100,7 @@ Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
ret ; no vibrato
.vibrato
ld d, a
- ld hl, wc05e
+ ld hl, wChannelVibratoRates
add hl, bc
ld a, [hl]
and $f
@@ -113,10 +113,10 @@ Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
swap [hl]
or [hl]
ld [hl], a ; reset the vibrato value and start again
- ld hl, wc066
+ ld hl, wChannelFrequencyLowBytes
add hl, bc
ld e, [hl] ; get note pitch
- ld hl, wc02e
+ ld hl, wChannelFlags1
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
@@ -149,13 +149,13 @@ Audio2_ApplyMusicAffects: ; 218ae (8:58ae)
; like tempo changes, duty changes etc. and doesn't return
; until the first note is reached
Audio2_PlayNextNote: ; 21946 (8:5946)
- ld hl, wc06e
+ ld hl, wChannelVibratoDelayCounterReloadValues
add hl, bc
ld a, [hl]
- ld hl, wc04e
+ ld hl, wChannelVibratoDelayCounters
add hl, bc
ld [hl], a
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
res 4, [hl]
res 5, [hl]
@@ -175,7 +175,7 @@ Audio2_endchannel: ; 21967 (8:5967)
cp $ff ; is this command an endchannel?
jp nz, Audio2_callchannel ; no
ld b, $0 ; yes
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 1, [hl]
jr nz, .returnFromCall
@@ -185,22 +185,22 @@ Audio2_endchannel: ; 21967 (8:5967)
jr .asm_219c0
.noiseOrSfxChannel
res 2, [hl]
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
res 0, [hl]
cp CH6
jr nz, .notSfxChannel3
ld a, $0
- ld [$ff1a], a
+ ld [rNR30], a
ld a, $80
- ld [$ff1a], a
+ ld [rNR30], a
.notSfxChannel3
jr nz, .asm_219a3
- ld a, [wc003]
+ ld a, [wDisableChannelOutputWhenSfxEnds]
and a
jr z, .asm_219a3
xor a
- ld [wc003], a
+ ld [wDisableChannelOutputWhenSfxEnds], a
jr .asm_219c0
.asm_219a3
jr .asm_219c9
@@ -210,10 +210,10 @@ Audio2_endchannel: ; 21967 (8:5967)
ld a, c
add a
ld e, a
- ld hl, wc006
+ ld hl, wChannelCommandPointers
add hl, de
push hl ; store current channel address
- ld hl, wc016
+ ld hl, wChannelReturnAddresses
add hl, de
ld e, l
ld d, h
@@ -227,16 +227,16 @@ Audio2_endchannel: ; 21967 (8:5967)
.asm_219c0
ld hl, Unknown_222de
add hl, bc
- ld a, [$ff25]
+ ld a, [rNR51]
and [hl]
- ld [$ff25], a
+ ld [rNR51], a
.asm_219c9
- ld a, [wc02a]
+ ld a, [wChannelSoundIDs + CH4]
cp $14
jr nc, .asm_219d2
jr .asm_219ef
.asm_219d2
- ld a, [wc02a]
+ ld a, [wChannelSoundIDs + CH4]
cp $86
jr z, .asm_219ef
jr c, .asm_219dd
@@ -248,12 +248,12 @@ Audio2_endchannel: ; 21967 (8:5967)
call Audio2_21e6d
ret c
.asm_219e6
- ld a, [wc005]
- ld [$ff24], a
+ ld a, [wSavedVolume]
+ ld [rNR50], a
xor a
- ld [wc005], a
+ ld [wSavedVolume], a
.asm_219ef
- ld hl, wc026
+ ld hl, wChannelSoundIDs
add hl, bc
ld [hl], b
ret
@@ -272,10 +272,10 @@ Audio2_callchannel: ; 219f5 (8:59f5)
ld a, c
add a
ld e, a
- ld hl, wc006
+ ld hl, wChannelCommandPointers
add hl, de
push hl
- ld hl, wc016
+ ld hl, wChannelReturnAddresses
add hl, de
ld e, l
ld d, h
@@ -290,7 +290,7 @@ Audio2_callchannel: ; 219f5 (8:59f5)
inc hl
ld [hl], d ; overwrite current address with pointer
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
set 1, [hl] ; set the call flag
jp Audio2_endchannel
@@ -303,7 +303,7 @@ Audio2_loopchannel: ; 21a2a (8:5a2a)
and a
jr z, .infiniteLoop
ld b, $0
- ld hl, wc0be
+ ld hl, wChannelLoopCounters
add hl, bc
ld a, [hl]
cp e
@@ -326,7 +326,7 @@ Audio2_loopchannel: ; 21a2a (8:5a2a)
ld a, c
add a
ld e, a
- ld hl, wc006
+ ld hl, wChannelCommandPointers
add hl, de
pop af
ld [hli], a
@@ -340,7 +340,7 @@ Audio2_notetype: ; 21a65 (8:5a65)
ld a, d ; yes
and $f
ld b, $0
- ld hl, wc0c6
+ ld hl, wChannelNoteSpeeds
add hl, bc
ld [hl], a ; store low nibble as speed
ld a, c
@@ -353,10 +353,10 @@ Audio2_notetype: ; 21a65 (8:5a65)
jr z, .musicChannel3
cp CH6
jr nz, .notChannel3
- ld hl, wc0e7
+ ld hl, wSfxWaveInstrument
jr .sfxChannel3
.musicChannel3
- ld hl, wc0e6
+ ld hl, wMusicWaveInstrument
.sfxChannel3
ld a, d
and $f
@@ -371,7 +371,7 @@ Audio2_notetype: ; 21a65 (8:5a65)
; else, store volume (high nibble) and fade (low nibble)
.notChannel3
ld b, $0
- ld hl, wc0de
+ ld hl, wChannelVolumes
add hl, bc
ld [hl], d
.noiseChannel
@@ -382,11 +382,11 @@ Audio2_toggleperfectpitch: ; 21aa4 (8:5aa4)
cp $e8 ; is this command a toggleperfectpitch?
jr nz, Audio2_vibrato ; no
ld b, $0 ; yes
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
ld a, [hl]
xor $1
- ld [hl], a ; flip bit 0 of wc02e
+ ld [hl], a ; flip bit 0 of wChannelFlags1
jp Audio2_endchannel
Audio2_vibrato: ; 21ab6 (8:5ab6)
@@ -394,10 +394,10 @@ Audio2_vibrato: ; 21ab6 (8:5ab6)
jr nz, Audio2_pitchbend ; no
call Audio2_GetNextMusicByte ; yes
ld b, $0
- ld hl, wc04e
+ ld hl, wChannelVibratoDelayCounters
add hl, bc
ld [hl], a ; store delay
- ld hl, wc06e
+ ld hl, wChannelVibratoDelayCounterReloadValues
add hl, bc
ld [hl], a ; store delay
call Audio2_GetNextMusicByte
@@ -405,7 +405,7 @@ Audio2_vibrato: ; 21ab6 (8:5ab6)
and $f0
swap a
ld b, $0
- ld hl, wc056
+ ld hl, wChannelVibratoExtents
add hl, bc
srl a
ld e, a
@@ -416,7 +416,7 @@ Audio2_vibrato: ; 21ab6 (8:5ab6)
ld a, d
and $f
ld d, a
- ld hl, wc05e
+ ld hl, wChannelVibratoRates
add hl, bc
swap a
or d
@@ -428,7 +428,7 @@ Audio2_pitchbend: ; 21aee (8:5aee)
jr nz, Audio2_duty ; no
call Audio2_GetNextMusicByte ; yes
ld b, $0
- ld hl, wc076
+ ld hl, wChannelPitchBendLengthModifiers
add hl, bc
ld [hl], a ; store first param
call Audio2_GetNextMusicByte
@@ -440,14 +440,14 @@ Audio2_pitchbend: ; 21aee (8:5aee)
and $f
call Audio2_22017
ld b, $0
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, bc
ld [hl], d ; store unknown part of second param
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, bc
ld [hl], e ; store unknown part of second param
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
set 4, [hl] ; set pitchbend flag
call Audio2_GetNextMusicByte
@@ -462,7 +462,7 @@ Audio2_duty: ; 21b26 (8:5b26)
rrca
and $c0
ld b, $0
- ld hl, wc03e
+ ld hl, wChannelDuties
add hl, bc
ld [hl], a ; store duty
jp Audio2_endchannel
@@ -474,25 +474,25 @@ Audio2_tempo: ; 21b3b (8:5b3b)
cp CH4
jr nc, .sfxChannel
call Audio2_GetNextMusicByte
- ld [wc0e8], a ; store first param
+ ld [wMusicTempo], a ; store first param
call Audio2_GetNextMusicByte
- ld [wc0e9], a ; store second param
+ ld [wMusicTempo + 1], a ; store second param
xor a
- ld [wc0ce], a ; clear RAM
- ld [wc0cf], a
- ld [wc0d0], a
- ld [wc0d1], a
+ ld [wChannelNoteDelayCountersFractionalPart], a ; clear RAM
+ ld [wChannelNoteDelayCountersFractionalPart + 1], a
+ ld [wChannelNoteDelayCountersFractionalPart + 2], a
+ ld [wChannelNoteDelayCountersFractionalPart + 3], a
jr .musicChannelDone
.sfxChannel
call Audio2_GetNextMusicByte
- ld [wc0ea], a ; store first param
+ ld [wSfxTempo], a ; store first param
call Audio2_GetNextMusicByte
- ld [wc0eb], a ; store second param
+ ld [wSfxTempo + 1], a ; store second param
xor a
- ld [wc0d2], a ; clear RAM
- ld [wc0d3], a
- ld [wc0d4], a
- ld [wc0d5], a
+ ld [wChannelNoteDelayCountersFractionalPart + 4], a ; clear RAM
+ ld [wChannelNoteDelayCountersFractionalPart + 5], a
+ ld [wChannelNoteDelayCountersFractionalPart + 6], a
+ ld [wChannelNoteDelayCountersFractionalPart + 7], a
.musicChannelDone
jp Audio2_endchannel
@@ -500,7 +500,7 @@ Audio2_stereopanning: ; 21b7b (8:5b7b)
cp $ee ; is this command a stereopanning?
jr nz, Audio2_unknownmusic0xef ; no
call Audio2_GetNextMusicByte ; yes
- ld [wc004], a ; store panning
+ ld [wStereoPanning], a ; store panning
jp Audio2_endchannel
; this appears to never be used
@@ -509,15 +509,15 @@ Audio2_unknownmusic0xef: ; 21b88 (8:5b88)
jr nz, Audio2_dutycycle ; no
call Audio2_GetNextMusicByte ; yes
push bc
- call Audio2_22035
+ call Audio2_PlaySound
pop bc
- ld a, [wc003]
+ ld a, [wDisableChannelOutputWhenSfxEnds]
and a
jr nz, .skip
- ld a, [wc02d]
- ld [wc003], a
+ ld a, [wChannelSoundIDs + CH7]
+ ld [wDisableChannelOutputWhenSfxEnds], a
xor a
- ld [wc02d], a
+ ld [wChannelSoundIDs + CH7], a
.skip
jp Audio2_endchannel
@@ -526,14 +526,14 @@ Audio2_dutycycle: ; 21ba7 (8:5ba7)
jr nz, Audio2_volume ; no
call Audio2_GetNextMusicByte ; yes
ld b, $0
- ld hl, wc046
+ ld hl, wChannelDutyCycles
add hl, bc
ld [hl], a ; store full cycle
and $c0
- ld hl, wc03e
+ ld hl, wChannelDuties
add hl, bc
ld [hl], a ; store first duty
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
set 6, [hl] ; set dutycycle flag
jp Audio2_endchannel
@@ -542,14 +542,14 @@ Audio2_volume: ; 21bc5 (8:5bc5)
cp $f0 ; is this command a volume?
jr nz, Audio2_executemusic ; no
call Audio2_GetNextMusicByte ; yes
- ld [$ff24], a ; store volume
+ ld [rNR50], a ; store volume
jp Audio2_endchannel
Audio2_executemusic: ; 21bd1 (8:5bd1)
cp $f8 ; is this command an executemusic?
jr nz, Audio2_octave ; no
ld b, $0 ; yes
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
set 0, [hl]
jp Audio2_endchannel
@@ -558,7 +558,7 @@ Audio2_octave: ; 21be0 (8:5be0)
and $f0
cp $e0 ; is this command an octave?
jr nz, Audio2_unknownsfx0x20 ; no
- ld hl, wc0d6 ; yes
+ ld hl, wChannelOctaves ; yes
ld b, $0
add hl, bc
ld a, d
@@ -573,14 +573,14 @@ Audio2_unknownsfx0x20: ; 21bf3
cp CH3 ; is this a noise or sfx channel?
jr c, Audio2_unknownsfx0x10 ; no
ld b, $0
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
bit 0, [hl]
jr nz, Audio2_unknownsfx0x10 ; no
call Audio2_notelength
ld d, a
ld b, $0
- ld hl, wc03e
+ ld hl, wChannelDuties
add hl, bc
ld a, [hl]
or d
@@ -619,12 +619,12 @@ Audio2_unknownsfx0x10: ; 21c40 (8:5c40)
cp $10 ; is this command a unknownsfx0x10?
jr nz, Audio2_note ; no
ld b, $0
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
bit 0, [hl]
jr nz, Audio2_note ; no
call Audio2_GetNextMusicByte ; yes
- ld [$ff10], a
+ ld [rNR10], a
jp Audio2_endchannel
Audio2_note: ; 21c5c (8:5c5c)
@@ -654,11 +654,11 @@ Audio2_dnote: ; 21c76 (8:5c76)
call Audio2_GetNextMusicByte ; get dnote instrument
asm_21c7e
ld d, a
- ld a, [wc003]
+ ld a, [wDisableChannelOutputWhenSfxEnds]
and a
jr nz, .asm_21c89
ld a, d
- call Audio2_22035
+ call Audio2_PlaySound
.asm_21c89
pop bc
pop de
@@ -671,7 +671,7 @@ Audio2_notelength: ; 21c8b (8:5c8b)
ld b, $0
ld e, a ; store note length (in 16ths)
ld d, b
- ld hl, wc0c6
+ ld hl, wChannelNoteSpeeds
add hl, bc
ld a, [hl]
ld l, b
@@ -679,9 +679,9 @@ Audio2_notelength: ; 21c8b (8:5c8b)
ld a, c
cp CH4
jr nc, .sfxChannel
- ld a, [wc0e8]
+ ld a, [wMusicTempo]
ld d, a
- ld a, [wc0e9]
+ ld a, [wMusicTempo + 1]
ld e, a
jr .skip
.sfxChannel
@@ -690,31 +690,31 @@ Audio2_notelength: ; 21c8b (8:5c8b)
cp CH7
jr z, .skip ; if noise channel
call Audio2_21e2f
- ld a, [wc0ea]
+ ld a, [wSfxTempo]
ld d, a
- ld a, [wc0eb]
+ ld a, [wSfxTempo + 1]
ld e, a
.skip
ld a, l
ld b, $0
- ld hl, wc0ce
+ ld hl, wChannelNoteDelayCountersFractionalPart
add hl, bc
ld l, [hl]
call Audio2_22006
ld e, l
ld d, h
- ld hl, wc0ce
+ ld hl, wChannelNoteDelayCountersFractionalPart
add hl, bc
ld [hl], e
ld a, d
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
add hl, bc
ld [hl], a
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, bc
bit 0, [hl]
jr nz, Audio2_notepitch
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 2, [hl]
jr z, Audio2_notepitch
@@ -729,7 +729,7 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
ld a, c
cp CH4
jr nc, .sfxChannel
- ld hl, wc02a
+ ld hl, wChannelSoundIDs + CH4
add hl, bc
ld a, [hl]
and a
@@ -745,9 +745,9 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
ld b, $0
ld hl, Unknown_222de
add hl, bc
- ld a, [$ff25]
+ ld a, [rNR51]
and [hl]
- ld [$ff25], a
+ ld [rNR51], a
jr .done
.notSfxChannel3
ld b, $2
@@ -762,12 +762,12 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
.notRest
swap a
ld b, $0
- ld hl, wc0d6
+ ld hl, wChannelOctaves
add hl, bc
ld b, [hl]
call Audio2_22017
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 4, [hl]
jr z, .asm_21d39
@@ -777,7 +777,7 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
ld a, c
cp CH4
jr nc, .skip ; if sfx channel
- ld hl, wc02a
+ ld hl, wChannelSoundIDs + CH4
ld d, $0
ld e, a
add hl, de
@@ -790,7 +790,7 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
ret
.skip
ld b, $0
- ld hl, wc0de
+ ld hl, wChannelVolumes
add hl, bc
ld d, [hl]
ld b, $2
@@ -800,7 +800,7 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
call Audio2_21d79
pop de
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 0, [hl] ; has toggleperfectpitch been used?
jr z, .skip2
@@ -808,7 +808,7 @@ Audio2_notepitch: ; 21ce9 (8:5ce9)
jr nc, .skip2
inc d
.skip2
- ld hl, wc066
+ ld hl, wChannelFrequencyLowBytes
add hl, bc
ld [hl], e
call Audio2_21dcc
@@ -818,7 +818,7 @@ Audio2_21d79: ; 21d79 (8:5d79)
ld b, $0
ld hl, Unknown_222e6
add hl, bc
- ld a, [$ff25]
+ ld a, [rNR51]
or [hl]
ld d, a
ld a, c
@@ -826,18 +826,18 @@ Audio2_21d79: ; 21d79 (8:5d79)
jr z, .sfxNoiseChannel
cp CH4
jr nc, .skip ; if sfx channel
- ld hl, wc02a
+ ld hl, wChannelSoundIDs + CH4
add hl, bc
ld a, [hl]
and a
jr nz, .skip
.sfxNoiseChannel
- ld a, [wc004]
+ ld a, [wStereoPanning]
ld hl, Unknown_222e6
add hl, bc
and [hl]
ld d, a
- ld a, [$ff25]
+ ld a, [rNR51]
ld hl, Unknown_222de
add hl, bc
and [hl]
@@ -845,12 +845,12 @@ Audio2_21d79: ; 21d79 (8:5d79)
ld d, a
.skip
ld a, d
- ld [$ff25], a
+ ld [rNR51], a
ret
Audio2_21daa: ; 21daa (8:5daa)
ld b, $0
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
add hl, bc
ld d, [hl]
ld a, c
@@ -861,7 +861,7 @@ Audio2_21daa: ; 21daa (8:5daa)
ld a, d
and $3f
ld d, a
- ld hl, wc03e
+ ld hl, wChannelDuties
add hl, bc
ld a, [hl]
or d
@@ -881,10 +881,10 @@ Audio2_21dcc: ; 21dcc (8:5dcc)
; fall through
.channel3
push de
- ld de, wc0e6
+ ld de, wMusicWaveInstrument
cp CH2
jr z, .musicChannel3
- ld de, wc0e7
+ ld de, wSfxWaveInstrument
.musicChannel3
ld a, [de]
add a
@@ -898,7 +898,7 @@ Audio2_21dcc: ; 21dcc (8:5dcc)
ld hl, $ff30
ld b, $f
ld a, $0
- ld [$ff1a], a
+ ld [rNR30], a
.loop
ld a, [de]
inc de
@@ -908,7 +908,7 @@ Audio2_21dcc: ; 21dcc (8:5dcc)
and a
jr nz, .loop
ld a, $80
- ld [$ff1a], a
+ ld [rNR30], a
pop de
.notSfxChannel3
ld a, d
@@ -935,9 +935,9 @@ Audio2_21e19: ; 21e19 (8:5e19)
bit 7, a
jr z, .asm_21e2e
xor a
- ld [wc0f1], a
+ ld [wFrequencyModifier], a
ld a, $80
- ld [wc0f2], a
+ ld [wTempoModifier], a
.asm_21e2e
ret
@@ -948,20 +948,20 @@ Audio2_21e2f: ; 21e2f (8:5e2f)
jr nc, .asm_21e4c
.asm_21e39
ld d, $0
- ld a, [wc0f2]
+ ld a, [wTempoModifier]
add $80
jr nc, .asm_21e43
inc d
.asm_21e43
- ld [wc0eb], a
+ ld [wSfxTempo + 1], a
ld a, d
- ld [wc0ea], a
+ ld [wSfxTempo], a
jr .asm_21e55
.asm_21e4c
xor a
- ld [wc0eb], a
+ ld [wSfxTempo + 1], a
ld a, $1
- ld [wc0ea], a
+ ld [wSfxTempo], a
.asm_21e55
ret
@@ -971,7 +971,7 @@ Audio2_21e56: ; 21e56 (8:5e56)
call Audio2_21e9f
jr nc, .asm_21e6c
.asm_21e60
- ld a, [wc0f1]
+ ld a, [wFrequencyModifier]
add e
jr nc, .asm_21e67
inc d
@@ -987,7 +987,7 @@ Audio2_21e56: ; 21e56 (8:5e56)
Audio2_21e6d: ; 21e6d (8:5e6d)
call Audio2_21e8b
jr nc, .asm_21e88
- ld hl, wc006
+ ld hl, wChannelCommandPointers
ld e, c
ld d, $0
sla e
@@ -1008,7 +1008,7 @@ Audio2_21e6d: ; 21e6d (8:5e6d)
ret
Audio2_21e8b: ; 21e8b (8:5e8b)
- ld a, [wc02a]
+ ld a, [wChannelSoundIDs + CH4]
cp $14
jr nc, .asm_21e94
jr .asm_21e9a
@@ -1025,9 +1025,9 @@ Audio2_21e8b: ; 21e8b (8:5e8b)
ret
Audio2_21e9f: ; 21e9f (8:5e9f)
- ld a, [wc02d]
+ ld a, [wChannelSoundIDs + CH7]
ld b, a
- ld a, [wc02a]
+ ld a, [wChannelSoundIDs + CH4]
or b
cp $9d
jr nc, .asm_21ead
@@ -1045,27 +1045,27 @@ Audio2_21e9f: ; 21e9f (8:5e9f)
ret
Audio2_ApplyPitchBend: ; 21eb8 (8:5eb8)
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
bit 5, [hl]
jp nz, .asm_21eff
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, bc
ld e, [hl]
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, bc
ld d, [hl]
- ld hl, wc07e
+ ld hl, wChannelPitchBendFrequencySteps
add hl, bc
ld l, [hl]
ld h, b
add hl, de
ld d, h
ld e, l
- ld hl, wc08e
+ ld hl, wChannelPitchBendCurrentFrequencyFractionalPart
add hl, bc
push hl
- ld hl, wc086
+ ld hl, wChannelPitchBendFrequencyStepsFractionalPart
add hl, bc
ld a, [hl]
pop hl
@@ -1077,26 +1077,26 @@ Audio2_ApplyPitchBend: ; 21eb8 (8:5eb8)
ld a, $0
adc d
ld d, a
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, bc
ld a, [hl]
cp d
jp c, .asm_21f45
jr nz, .asm_21f32
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, bc
ld a, [hl]
cp e
jp c, .asm_21f45
jr .asm_21f32
.asm_21eff
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, bc
ld a, [hl]
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, bc
ld d, [hl]
- ld hl, wc07e
+ ld hl, wChannelPitchBendFrequencySteps
add hl, bc
ld e, [hl]
sub e
@@ -1104,7 +1104,7 @@ Audio2_ApplyPitchBend: ; 21eb8 (8:5eb8)
ld a, d
sbc b
ld d, a
- ld hl, wc086
+ ld hl, wChannelPitchBendFrequencyStepsFractionalPart
add hl, bc
ld a, [hl]
add a
@@ -1115,22 +1115,22 @@ Audio2_ApplyPitchBend: ; 21eb8 (8:5eb8)
ld a, d
sbc b
ld d, a
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, bc
ld a, d
cp [hl]
jr c, .asm_21f45
jr nz, .asm_21f32
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, bc
ld a, e
cp [hl]
jr c, .asm_21f45
.asm_21f32
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, bc
ld [hl], e
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, bc
ld [hl], d
ld b, $3
@@ -1140,54 +1140,54 @@ Audio2_ApplyPitchBend: ; 21eb8 (8:5eb8)
ld [hl], d
ret
.asm_21f45
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
res 4, [hl]
res 5, [hl]
ret
Audio2_21f4e: ; 21f4e (8:5f4e)
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, bc
ld [hl], d
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, bc
ld [hl], e
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
add hl, bc
ld a, [hl]
- ld hl, wc076
+ ld hl, wChannelPitchBendLengthModifiers
add hl, bc
sub [hl]
jr nc, .asm_21f66
ld a, $1
.asm_21f66
ld [hl], a
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, bc
ld a, e
sub [hl]
ld e, a
ld a, d
sbc b
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, bc
sub [hl]
jr c, .asm_21f82
ld d, a
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
set 5, [hl]
jr .asm_21fa5
.asm_21f82
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, bc
ld d, [hl]
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, bc
ld e, [hl]
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, bc
ld a, [hl]
sub e
@@ -1195,17 +1195,17 @@ Audio2_21f4e: ; 21f4e (8:5f4e)
ld a, d
sbc b
ld d, a
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, bc
ld a, [hl]
sub d
ld d, a
ld b, $0
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
res 5, [hl]
.asm_21fa5
- ld hl, wc076
+ ld hl, wChannelPitchBendLengthModifiers
add hl, bc
.asm_21fa9
inc b
@@ -1224,20 +1224,20 @@ Audio2_21f4e: ; 21f4e (8:5f4e)
add [hl]
ld d, b
ld b, $0
- ld hl, wc07e
+ ld hl, wChannelPitchBendFrequencySteps
add hl, bc
ld [hl], d
- ld hl, wc086
+ ld hl, wChannelPitchBendFrequencyStepsFractionalPart
add hl, bc
ld [hl], a
- ld hl, wc08e
+ ld hl, wChannelPitchBendCurrentFrequencyFractionalPart
add hl, bc
ld [hl], a
ret
Audio2_ApplyDutyCycle: ; 21fcc (8:5fcc)
ld b, $0
- ld hl, wc046
+ ld hl, wChannelDutyCycles
add hl, bc
ld a, [hl]
rlca
@@ -1258,7 +1258,7 @@ Audio2_GetNextMusicByte: ; 21fe4 (8:5fe4)
ld a, c
add a
ld e, a
- ld hl, wc006
+ ld hl, wChannelCommandPointers
add hl, de
ld a, [hli]
ld e, a
@@ -1325,8 +1325,8 @@ Audio2_22017: ; 22017 (8:6017)
ld d, a
ret
-Audio2_22035:: ; 22035 (8:6035)
- ld [wc001], a
+Audio2_PlaySound:: ; 22035 (8:6035)
+ ld [wSoundID], a
cp $ff
jp z, Audio2_221f3
cp $e9
@@ -1337,75 +1337,75 @@ Audio2_22035:: ; 22035 (8:6035)
jp nc, Audio2_2210d
.asm_2204c
xor a
- ld [wc000], a
- ld [wc003], a
- ld [wc0e9], a
- ld [wc0e6], a
- ld [wc0e7], a
+ ld [wUnusedC000], a
+ ld [wDisableChannelOutputWhenSfxEnds], a
+ ld [wMusicTempo + 1], a
+ ld [wMusicWaveInstrument], a
+ ld [wSfxWaveInstrument], a
ld d, $8
- ld hl, wc016
+ ld hl, wChannelReturnAddresses
call FillAudioRAM2
- ld hl, wc006
+ ld hl, wChannelCommandPointers
call FillAudioRAM2
ld d, $4
- ld hl, wc026
+ ld hl, wChannelSoundIDs
call FillAudioRAM2
- ld hl, wc02e
+ ld hl, wChannelFlags1
call FillAudioRAM2
- ld hl, wc03e
+ ld hl, wChannelDuties
call FillAudioRAM2
- ld hl, wc046
+ ld hl, wChannelDutyCycles
call FillAudioRAM2
- ld hl, wc04e
+ ld hl, wChannelVibratoDelayCounters
call FillAudioRAM2
- ld hl, wc056
+ ld hl, wChannelVibratoExtents
call FillAudioRAM2
- ld hl, wc05e
+ ld hl, wChannelVibratoRates
call FillAudioRAM2
- ld hl, wc066
+ ld hl, wChannelFrequencyLowBytes
call FillAudioRAM2
- ld hl, wc06e
+ ld hl, wChannelVibratoDelayCounterReloadValues
call FillAudioRAM2
- ld hl, wc036
+ ld hl, wChannelFlags2
call FillAudioRAM2
- ld hl, wc076
+ ld hl, wChannelPitchBendLengthModifiers
call FillAudioRAM2
- ld hl, wc07e
+ ld hl, wChannelPitchBendFrequencySteps
call FillAudioRAM2
- ld hl, wc086
+ ld hl, wChannelPitchBendFrequencyStepsFractionalPart
call FillAudioRAM2
- ld hl, wc08e
+ ld hl, wChannelPitchBendCurrentFrequencyFractionalPart
call FillAudioRAM2
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
call FillAudioRAM2
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
call FillAudioRAM2
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
call FillAudioRAM2
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
call FillAudioRAM2
ld a, $1
- ld hl, wc0be
+ ld hl, wChannelLoopCounters
call FillAudioRAM2
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
call FillAudioRAM2
- ld hl, wc0c6
+ ld hl, wChannelNoteSpeeds
call FillAudioRAM2
- ld [wc0e8], a
+ ld [wMusicTempo], a
ld a, $ff
- ld [wc004], a
+ ld [wStereoPanning], a
xor a
- ld [$ff24], a
+ ld [rNR50], a
ld a, $8
- ld [$ff10], a
+ ld [rNR10], a
ld a, $0
- ld [$ff25], a
+ ld [rNR51], a
xor a
- ld [$ff1a], a
+ ld [rNR30], a
ld a, $80
- ld [$ff1a], a
+ ld [rNR30], a
ld a, $77
- ld [$ff24], a
+ ld [rNR50], a
jp Audio2_2224e
Audio2_2210d: ; 2210d (8:610d)
@@ -1418,9 +1418,9 @@ Audio2_2210d: ; 2210d (8:610d)
ld de, SFX_Headers_2
add hl, de
ld a, h
- ld [wc0ec], a
+ ld [wSfxHeaderPointer], a
ld a, l
- ld [wc0ed], a
+ ld [wSfxHeaderPointer + 1], a
ld a, [hl]
and $c0
rlca
@@ -1433,9 +1433,9 @@ Audio2_2210d: ; 2210d (8:610d)
add c
ld c, a
ld b, $0
- ld a, [wc0ec]
+ ld a, [wSfxHeaderPointer]
ld h, a
- ld a, [wc0ed]
+ ld a, [wSfxHeaderPointer + 1]
ld l, a
add hl, bc
ld c, d
@@ -1443,7 +1443,7 @@ Audio2_2210d: ; 2210d (8:610d)
and $f
ld e, a
ld d, $0
- ld hl, wc026
+ ld hl, wChannelSoundIDs
add hl, de
ld a, [hl]
and a
@@ -1451,7 +1451,7 @@ Audio2_2210d: ; 2210d (8:610d)
ld a, e
cp $7
jr nz, .asm_22159
- ld a, [wc001]
+ ld a, [wSoundID]
cp $14
jr nc, .asm_22152
ret
@@ -1461,7 +1461,7 @@ Audio2_2210d: ; 2210d (8:610d)
jr z, .asm_22162
jr c, .asm_22162
.asm_22159
- ld a, [wc001]
+ ld a, [wSoundID]
cp [hl]
jr z, .asm_22162
jr c, .asm_22162
@@ -1474,84 +1474,84 @@ Audio2_2210d: ; 2210d (8:610d)
add hl, hl
ld d, h
ld e, l
- ld hl, wc016
+ ld hl, wChannelReturnAddresses
add hl, de
ld [hli], a
ld [hl], a
- ld hl, wc006
+ ld hl, wChannelCommandPointers
add hl, de
ld [hli], a
ld [hl], a
pop de
- ld hl, wc026
+ ld hl, wChannelSoundIDs
add hl, de
ld [hl], a
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, de
ld [hl], a
- ld hl, wc03e
+ ld hl, wChannelDuties
add hl, de
ld [hl], a
- ld hl, wc046
+ ld hl, wChannelDutyCycles
add hl, de
ld [hl], a
- ld hl, wc04e
+ ld hl, wChannelVibratoDelayCounters
add hl, de
ld [hl], a
- ld hl, wc056
+ ld hl, wChannelVibratoExtents
add hl, de
ld [hl], a
- ld hl, wc05e
+ ld hl, wChannelVibratoRates
add hl, de
ld [hl], a
- ld hl, wc066
+ ld hl, wChannelFrequencyLowBytes
add hl, de
ld [hl], a
- ld hl, wc06e
+ ld hl, wChannelVibratoDelayCounterReloadValues
add hl, de
ld [hl], a
- ld hl, wc076
+ ld hl, wChannelPitchBendLengthModifiers
add hl, de
ld [hl], a
- ld hl, wc07e
+ ld hl, wChannelPitchBendFrequencySteps
add hl, de
ld [hl], a
- ld hl, wc086
+ ld hl, wChannelPitchBendFrequencyStepsFractionalPart
add hl, de
ld [hl], a
- ld hl, wc08e
+ ld hl, wChannelPitchBendCurrentFrequencyFractionalPart
add hl, de
ld [hl], a
- ld hl, wc096
+ ld hl, wChannelPitchBendCurrentFrequencyHighBytes
add hl, de
ld [hl], a
- ld hl, wc09e
+ ld hl, wChannelPitchBendCurrentFrequencyLowBytes
add hl, de
ld [hl], a
- ld hl, wc0a6
+ ld hl, wChannelPitchBendTargetFrequencyHighBytes
add hl, de
ld [hl], a
- ld hl, wc0ae
+ ld hl, wChannelPitchBendTargetFrequencyLowBytes
add hl, de
ld [hl], a
- ld hl, wc036
+ ld hl, wChannelFlags2
add hl, de
ld [hl], a
ld a, $1
- ld hl, wc0be
+ ld hl, wChannelLoopCounters
add hl, de
ld [hl], a
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
add hl, de
ld [hl], a
- ld hl, wc0c6
+ ld hl, wChannelNoteSpeeds
add hl, de
ld [hl], a
ld a, e
cp $4
jr nz, .asm_221ea
ld a, $8
- ld [$ff10], a
+ ld [rNR10], a
.asm_221ea
ld a, c
and a
@@ -1561,41 +1561,41 @@ Audio2_2210d: ; 2210d (8:610d)
Audio2_221f3: ; 221f3 (8:61f3)
ld a, $80
- ld [$ff26], a
- ld [$ff1a], a
+ ld [rNR52], a
+ ld [rNR30], a
xor a
- ld [$ff25], a
- ld [$ff1c], a
+ ld [rNR51], a
+ ld [rNR32], a
ld a, $8
- ld [$ff10], a
- ld [$ff12], a
- ld [$ff17], a
- ld [$ff21], a
+ ld [rNR10], a
+ ld [rNR12], a
+ ld [rNR22], a
+ ld [rNR42], a
ld a, $40
- ld [$ff14], a
- ld [$ff19], a
- ld [$ff23], a
+ ld [rNR14], a
+ ld [rNR24], a
+ ld [rNR44], a
ld a, $77
- ld [$ff24], a
+ ld [rNR50], a
xor a
- ld [wc000], a
- ld [wc003], a
- ld [wc002], a
- ld [wc0e9], a
- ld [wc0eb], a
- ld [wc0e6], a
- ld [wc0e7], a
+ ld [wUnusedC000], a
+ ld [wDisableChannelOutputWhenSfxEnds], a
+ ld [wMuteAudioAndPauseMusic], a
+ ld [wMusicTempo + 1], a
+ ld [wSfxTempo + 1], a
+ ld [wMusicWaveInstrument], a
+ ld [wSfxWaveInstrument], a
ld d, $a0
- ld hl, wc006
+ ld hl, wChannelCommandPointers
call FillAudioRAM2
ld a, $1
ld d, $18
- ld hl, wc0b6
+ ld hl, wChannelNoteDelayCounters
call FillAudioRAM2
- ld [wc0e8], a
- ld [wc0ea], a
+ ld [wMusicTempo], a
+ ld [wSfxTempo], a
ld a, $ff
- ld [wc004], a
+ ld [wStereoPanning], a
ret
; fills d bytes at hl with a
@@ -1608,7 +1608,7 @@ FillAudioRAM2: ; 22248 (8:6248)
ret
Audio2_2224e: ; 2224e (8:624e)
- ld a, [wc001]
+ ld a, [wSoundID]
ld l, a
ld e, a
ld h, $0
@@ -1619,7 +1619,7 @@ Audio2_2224e: ; 2224e (8:624e)
add hl, de
ld e, l
ld d, h
- ld hl, wc006
+ ld hl, wChannelCommandPointers
ld a, [de] ; get channel number
ld b, a
rlca
@@ -1645,14 +1645,14 @@ Audio2_2224e: ; 2224e (8:624e)
push af
ld b, $0
ld c, a
- ld hl, wc026
+ ld hl, wChannelSoundIDs
add hl, bc
- ld a, [wc001]
+ ld a, [wSoundID]
ld [hl], a
pop af
cp $3
jr c, .asm_22291
- ld hl, wc02e
+ ld hl, wChannelFlags1
add hl, bc
set 2, [hl]
.asm_22291
@@ -1671,34 +1671,34 @@ Audio2_2224e: ; 2224e (8:624e)
ld a, [de]
inc de
jr nz, .asm_22270
- ld a, [wc001]
+ ld a, [wSoundID]
cp $14
jr nc, .asm_222aa
jr .asm_222d4
.asm_222aa
- ld a, [wc001]
+ ld a, [wSoundID]
cp $86
jr z, .asm_222d4
jr c, .asm_222b5
jr .asm_222d4
.asm_222b5
- ld hl, wc02a
+ ld hl, wChannelSoundIDs + CH4
ld [hli], a
ld [hli], a
ld [hli], a
ld [hl], a
- ld hl, wc012 ; sfx noise channel pointer
+ ld hl, wChannelCommandPointers + CH6 * 2 ; sfx noise channel pointer
ld de, Noise2_endchannel
ld [hl], e
inc hl
ld [hl], d ; overwrite pointer to point to endchannel
- ld a, [wc005]
+ ld a, [wSavedVolume]
and a
jr nz, .asm_222d4
- ld a, [$ff24]
- ld [wc005], a
+ ld a, [rNR50]
+ ld [wSavedVolume], a
ld a, $77
- ld [$ff24], a
+ ld [rNR50], a
.asm_222d4
ret
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-05 17:58:28 +0000