Remove all address comments
This commit is contained in:
mid-kid
262
audio/engine.asm
262
audio/engine.asm
@@ -6,7 +6,7 @@
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; FadeMusic
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; PlayStereoSFX
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_MapSetup_Sound_Off:: ; e8000
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_MapSetup_Sound_Off::
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; restart sound operation
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; clear all relevant hardware registers & wram
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push hl
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@@ -56,9 +56,8 @@ _MapSetup_Sound_Off:: ; e8000
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pop hl
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ret
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; e803d
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MusicFadeRestart: ; e803d
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MusicFadeRestart:
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; restart but keep the music id to fade in to
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ld a, [wMusicFadeID + 1]
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push af
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@@ -71,23 +70,20 @@ MusicFadeRestart: ; e803d
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ld [wMusicFadeID + 1], a
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ret
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; e8051
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MusicOn: ; e8051
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MusicOn:
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ld a, 1
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ld [wMusicPlaying], a
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ret
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; e8057
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MusicOff: ; e8057
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MusicOff:
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xor a
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ld [wMusicPlaying], a
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ret
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; e805c
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_UpdateSound:: ; e805c
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_UpdateSound::
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; called once per frame
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; no use updating audio if it's not playing
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ld a, [wMusicPlaying]
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@@ -216,9 +212,8 @@ _UpdateSound:: ; e805c
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ld [rNR51], a
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ret
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; e8125
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UpdateChannels: ; e8125
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UpdateChannels:
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ld hl, .ChannelFnPtrs
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ld a, [wCurChannel]
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and $7
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@@ -510,9 +505,8 @@ endr
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ld [rNR44], a
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ret
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; e82e7
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_CheckSFX: ; e82e7
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_CheckSFX:
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; return carry if any sfx channels are active
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ld hl, wChannel5Flags1
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bit SOUND_CHANNEL_ON, [hl]
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@@ -533,9 +527,8 @@ _CheckSFX: ; e82e7
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scf
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ret
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; e8307
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PlayDanger: ; e8307
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PlayDanger:
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ld a, [wLowHealthAlarm]
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bit DANGER_ON_F, a
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ret z
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@@ -595,23 +588,20 @@ PlayDanger: ; e8307
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ld [wSoundOutput], a
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ret
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; e8350
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DangerSoundHigh: ; e8350
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DangerSoundHigh:
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db $80 ; duty 50%
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db $e2 ; volume 14, envelope decrease sweep 2
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db $50 ; frequency: $750
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db $87 ; restart sound
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; e8354
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DangerSoundLow: ; e8354
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DangerSoundLow:
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db $80 ; duty 50%
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db $e2 ; volume 14, envelope decrease sweep 2
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db $ee ; frequency: $6ee
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db $86 ; restart sound
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; e8358
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FadeMusic: ; e8358
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FadeMusic:
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; fade music if applicable
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; usage:
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; write to wMusicFade
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@@ -723,9 +713,8 @@ FadeMusic: ; e8358
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ld [wVolume], a
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ret
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; e83d1
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LoadNote: ; e83d1
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LoadNote:
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; wait for pitch wheel to finish
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ld hl, CHANNEL_FLAGS2
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add hl, bc
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@@ -845,9 +834,8 @@ LoadNote: ; e83d1
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ld [hl], a
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ret
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; e8466
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HandleTrackVibrato: ; e8466
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HandleTrackVibrato:
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; handle duty, cry pitch, and vibrato
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ld hl, CHANNEL_FLAGS2
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add hl, bc
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@@ -964,9 +952,8 @@ HandleTrackVibrato: ; e8466
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.quit
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ret
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; e84f9
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ApplyPitchWheel: ; e84f9
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ApplyPitchWheel:
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; quit if pitch wheel inactive
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ld hl, CHANNEL_FLAGS2
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add hl, bc
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@@ -1081,9 +1068,8 @@ ApplyPitchWheel: ; e84f9
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set NOTE_DUTY_OVERRIDE, [hl]
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ret
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; e858c
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HandleNoise: ; e858c
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HandleNoise:
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; is noise sampling on?
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ld hl, CHANNEL_FLAGS1
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add hl, bc
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@@ -1109,9 +1095,8 @@ HandleNoise: ; e858c
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ld [wNoiseSampleDelay], a
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ret
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; e85af
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ReadNoiseSample: ; e85af
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ReadNoiseSample:
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; sample struct:
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; [wx] [yy] [zz]
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; w: ? either 2 or 3
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@@ -1161,9 +1146,8 @@ ReadNoiseSample: ; e85af
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.quit
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ret
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; e85e1
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ParseMusic: ; e85e1
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ParseMusic:
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; parses until a note is read or the song is ended
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call GetMusicByte ; store next byte in a
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cp $ff ; is the song over?
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@@ -1271,9 +1255,8 @@ ParseMusic: ; e85e1
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ld [hli], a ; bank
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ret
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; e8679
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RestoreVolume: ; e8679
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RestoreVolume:
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; ch5 only
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ld a, [wCurChannel]
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cp CHAN5
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@@ -1292,9 +1275,8 @@ RestoreVolume: ; e8679
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ld [wSFXPriority], a
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ret
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; e8698
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ParseSFXOrRest: ; e8698
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ParseSFXOrRest:
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; turn noise sampling on
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ld hl, CHANNEL_NOTE_FLAGS
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add hl, bc
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@@ -1324,9 +1306,8 @@ ParseSFXOrRest: ; e8698
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ld [hl], a
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ret
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; e86c5
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GetNoiseSample: ; e86c5
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GetNoiseSample:
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; load ptr to sample header in wNoiseSampleAddress
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; are we on the last channel?
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ld a, [wCurChannel]
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@@ -1382,9 +1363,8 @@ GetNoiseSample: ; e86c5
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ld [wNoiseSampleDelay], a
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ret
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; e870f
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ParseMusicCommand: ; e870f
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ParseMusicCommand:
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; reload command
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ld a, [wCurMusicByte]
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; get command #
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@@ -1401,9 +1381,8 @@ ParseMusicCommand: ; e870f
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ld l, a
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jp hl
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; e8720
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MusicCommands: ; e8720
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MusicCommands:
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; entries correspond to macros/sound.asm enumeration
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dw Music_Octave8 ; octave 8
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dw Music_Octave7 ; octave 7
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@@ -1453,21 +1432,19 @@ MusicCommands: ; e8720
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dw Music_LoopChannel ; loop
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dw Music_CallChannel ; call
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dw Music_EndChannel ; return
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; e8780
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MusicF1: ; e8780
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MusicF2: ; e8780
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MusicF3: ; e8780
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MusicF4: ; e8780
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MusicF5: ; e8780
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MusicF6: ; e8780
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MusicF7: ; e8780
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MusicF8: ; e8780
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MusicF1:
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MusicF2:
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MusicF3:
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MusicF4:
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MusicF5:
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MusicF6:
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MusicF7:
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MusicF8:
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ret
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; e8781
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Music_EndChannel: ; e8781
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Music_EndChannel:
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; called when $ff is encountered w/ subroutine flag set
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; end music stream
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; return to caller of the subroutine
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@@ -1488,9 +1465,8 @@ Music_EndChannel: ; e8781
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ld [hl], d
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ret
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; e8796
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Music_CallChannel: ; e8796
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Music_CallChannel:
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; call music stream (subroutine)
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; parameters: ll hh ; pointer to subroutine
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; get pointer from next 2 bytes
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@@ -1523,9 +1499,8 @@ Music_CallChannel: ; e8796
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set SOUND_SUBROUTINE, [hl]
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ret
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; e87bc
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Music_JumpChannel: ; e87bc
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Music_JumpChannel:
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; jump
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; parameters: ll hh ; pointer
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; get pointer from next 2 bytes
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@@ -1540,9 +1515,8 @@ Music_JumpChannel: ; e87bc
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ld [hl], d
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ret
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; e87cc
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Music_LoopChannel: ; e87cc
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Music_LoopChannel:
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; loops xx - 1 times
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; 00: infinite
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; params: 3
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@@ -1603,9 +1577,8 @@ Music_LoopChannel: ; e87cc
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ld [hl], e
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ret
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; e880e
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Music_SetCondition: ; e880e
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Music_SetCondition:
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; set condition for a jump
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; used with FB
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; params: 1
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@@ -1618,9 +1591,8 @@ Music_SetCondition: ; e880e
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ld [hl], a
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ret
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; e8817
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Music_JumpIf: ; e8817
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Music_JumpIf:
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; conditional jump
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; used with FA
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; params: 3
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@@ -1666,9 +1638,8 @@ Music_JumpIf: ; e8817
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ld [hl], d
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ret
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; e883e
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MusicEE; e883e
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MusicEE
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; conditional jump
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; checks a byte in ram corresponding to the current channel
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; doesn't seem to be set by any commands
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@@ -1720,9 +1691,8 @@ MusicEE; e883e
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ld [hl], d
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ret
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; e886d
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MusicF9: ; e886d
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MusicF9:
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; sets some flag
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; seems to be unused
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; params: 0
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@@ -1730,9 +1700,8 @@ MusicF9: ; e886d
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ld [wc2b5], a
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ret
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; e8873
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MusicE2: ; e8873
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MusicE2:
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; seems to have been dummied out
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; params: 1
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call GetMusicByte
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@@ -1744,9 +1713,8 @@ MusicE2: ; e8873
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set SOUND_UNKN_0B, [hl]
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ret
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; e8882
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Music_Vibrato: ; e8882
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Music_Vibrato:
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; vibrato
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; params: 2
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; 1: [xx]
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@@ -1801,9 +1769,8 @@ Music_Vibrato: ; e8882
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ld [hl], a
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ret
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; e88bd
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Music_SlidePitchTo: ; e88bd
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Music_SlidePitchTo:
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; set the target for pitch wheel
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; params: 2
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; note duration
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@@ -1834,9 +1801,8 @@ Music_SlidePitchTo: ; e88bd
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set SOUND_PITCH_WHEEL, [hl]
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ret
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; e88e4
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Music_Tone: ; e88e4
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Music_Tone:
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; tone
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; params: 1 (dw)
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ld hl, CHANNEL_FLAGS2
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@@ -1850,9 +1816,8 @@ Music_Tone: ; e88e4
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ld [hl], a
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ret
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; e88f7
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MusicE7: ; e88f7
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MusicE7:
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; unused
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; params: 1
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ld hl, CHANNEL_FLAGS2
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@@ -1864,9 +1829,8 @@ MusicE7: ; e88f7
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ld [hl], a
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ret
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; e8906
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Music_SoundDuty: ; e8906
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Music_SoundDuty:
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; sequence of 4 duty cycles to be looped
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; params: 1 (4 2-bit duty cycle arguments)
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ld hl, CHANNEL_FLAGS2
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@@ -1886,9 +1850,8 @@ Music_SoundDuty: ; e8906
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ld [hl], a
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ret
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; e891e
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MusicE8: ; e891e
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MusicE8:
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; unused
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; params: 1
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ld hl, CHANNEL_FLAGS2
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@@ -1900,9 +1863,8 @@ MusicE8: ; e891e
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ld [hl], a
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ret
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; e892d
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Music_ToggleSFX: ; e892d
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Music_ToggleSFX:
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; toggle something
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; params: none
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ld hl, CHANNEL_FLAGS1
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@@ -1916,9 +1878,8 @@ Music_ToggleSFX: ; e892d
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set SOUND_SFX, [hl]
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ret
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; e893b
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Music_ToggleNoise: ; e893b
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Music_ToggleNoise:
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; toggle music noise sampling
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; can't be used as a straight toggle since the param is not read from on->off
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; params:
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@@ -1940,9 +1901,8 @@ Music_ToggleNoise: ; e893b
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ld [wMusicNoiseSampleSet], a
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ret
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; e894f
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Music_SFXToggleNoise: ; e894f
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Music_SFXToggleNoise:
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; toggle sfx noise sampling
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; params:
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; on: 1
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@@ -1963,9 +1923,8 @@ Music_SFXToggleNoise: ; e894f
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ld [wSFXNoiseSampleSet], a
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ret
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; e8963
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Music_NoteType: ; e8963
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Music_NoteType:
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; note length
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; # frames per 16th note
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; intensity: see Music_Intensity
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@@ -1983,9 +1942,8 @@ Music_NoteType: ; e8963
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call Music_Intensity
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ret
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; e8977
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Music_SoundStatus: ; e8977
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Music_SoundStatus:
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; update sound status
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; params: 1
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call GetMusicByte
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@@ -1995,9 +1953,8 @@ Music_SoundStatus: ; e8977
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set NOTE_UNKN_3, [hl]
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ret
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; e8984
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Music_DutyCycle: ; e8984
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Music_DutyCycle:
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; duty cycle
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; params: 1
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call GetMusicByte
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@@ -2009,9 +1966,8 @@ Music_DutyCycle: ; e8984
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ld [hl], a
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ret
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; e8991
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Music_Intensity: ; e8991
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Music_Intensity:
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; intensity
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; params: 1
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; hi: pressure
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@@ -2022,9 +1978,8 @@ Music_Intensity: ; e8991
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ld [hl], a
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ret
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; e899a
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Music_Tempo: ; e899a
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Music_Tempo:
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; global tempo
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; params: 2
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; de: tempo
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@@ -2035,16 +1990,15 @@ Music_Tempo: ; e899a
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call SetGlobalTempo
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ret
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; e89a6
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Music_Octave8: ; e89a6
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Music_Octave7: ; e89a6
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Music_Octave6: ; e89a6
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Music_Octave5: ; e89a6
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Music_Octave4: ; e89a6
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Music_Octave3: ; e89a6
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Music_Octave2: ; e89a6
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Music_Octave1: ; e89a6
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Music_Octave8:
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Music_Octave7:
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Music_Octave6:
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Music_Octave5:
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Music_Octave4:
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Music_Octave3:
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Music_Octave2:
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Music_Octave1:
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; set octave based on lo nybble of the command
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ld hl, CHANNEL_OCTAVE
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add hl, bc
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@@ -2053,9 +2007,8 @@ Music_Octave1: ; e89a6
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ld [hl], a
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ret
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; e89b1
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Music_ForceOctave: ; e89b1
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Music_ForceOctave:
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; set starting octave
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; this forces all notes up by the starting octave
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; params: 1
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@@ -2065,9 +2018,8 @@ Music_ForceOctave: ; e89b1
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ld [hl], a
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ret
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; e89ba
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Music_StereoPanning: ; e89ba
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Music_StereoPanning:
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; stereo panning
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; params: 1
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; stereo on?
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@@ -2078,9 +2030,8 @@ Music_StereoPanning: ; e89ba
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call GetMusicByte
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ret
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; e89c5
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Music_Panning: ; e89c5
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Music_Panning:
|
||||
; force panning
|
||||
; params: 1
|
||||
call SetLRTracks
|
||||
@@ -2091,9 +2042,8 @@ Music_Panning: ; e89c5
|
||||
ld [hl], a
|
||||
ret
|
||||
|
||||
; e89d2
|
||||
|
||||
Music_Volume: ; e89d2
|
||||
Music_Volume:
|
||||
; set volume
|
||||
; params: 1
|
||||
; see Volume
|
||||
@@ -2109,9 +2059,8 @@ Music_Volume: ; e89d2
|
||||
ld [wVolume], a
|
||||
ret
|
||||
|
||||
; e89e1
|
||||
|
||||
Music_TempoRelative: ; e89e1
|
||||
Music_TempoRelative:
|
||||
; set global tempo to current channel tempo +/- param
|
||||
; params: 1 signed
|
||||
call GetMusicByte
|
||||
@@ -2137,27 +2086,24 @@ Music_TempoRelative: ; e89e1
|
||||
call SetGlobalTempo
|
||||
ret
|
||||
|
||||
; e89fd
|
||||
|
||||
Music_SFXPriorityOn: ; e89fd
|
||||
Music_SFXPriorityOn:
|
||||
; turn sfx priority on
|
||||
; params: none
|
||||
ld a, 1
|
||||
ld [wSFXPriority], a
|
||||
ret
|
||||
|
||||
; e8a03
|
||||
|
||||
Music_SFXPriorityOff: ; e8a03
|
||||
Music_SFXPriorityOff:
|
||||
; turn sfx priority off
|
||||
; params: none
|
||||
xor a
|
||||
ld [wSFXPriority], a
|
||||
ret
|
||||
|
||||
; e8a08
|
||||
|
||||
Music_RestartChannel: ; e8a08
|
||||
Music_RestartChannel:
|
||||
; restart current channel from channel header (same bank)
|
||||
; params: 2 (5)
|
||||
; ll hh: pointer to new channel header
|
||||
@@ -2191,9 +2137,8 @@ Music_RestartChannel: ; e8a08
|
||||
pop bc ; restore current channel
|
||||
ret
|
||||
|
||||
; e8a30
|
||||
|
||||
Music_NewSong: ; e8a30
|
||||
Music_NewSong:
|
||||
; new song
|
||||
; params: 2
|
||||
; de: song id
|
||||
@@ -2206,9 +2151,8 @@ Music_NewSong: ; e8a30
|
||||
pop bc
|
||||
ret
|
||||
|
||||
; e8a3e
|
||||
|
||||
GetMusicByte: ; e8a3e
|
||||
GetMusicByte:
|
||||
; returns byte from current address in a
|
||||
; advances to next byte in music data
|
||||
; input: bc = start of current channel
|
||||
@@ -2240,9 +2184,8 @@ GetMusicByte: ; e8a3e
|
||||
ld a, [wCurMusicByte]
|
||||
ret
|
||||
|
||||
; e8a5d
|
||||
|
||||
GetFrequency: ; e8a5d
|
||||
GetFrequency:
|
||||
; generate frequency
|
||||
; input:
|
||||
; d: octave
|
||||
@@ -2294,9 +2237,8 @@ GetFrequency: ; e8a5d
|
||||
ld d, a
|
||||
ret
|
||||
|
||||
; e8a8d
|
||||
|
||||
SetNoteDuration: ; e8a8d
|
||||
SetNoteDuration:
|
||||
; input: a = note duration in 16ths
|
||||
; store delay units in de
|
||||
inc a
|
||||
@@ -2335,9 +2277,8 @@ SetNoteDuration: ; e8a8d
|
||||
ld [hl], d
|
||||
ret
|
||||
|
||||
; e8ab8
|
||||
|
||||
.Multiply: ; e8ab8
|
||||
.Multiply:
|
||||
; multiplies a and de
|
||||
; adds the result to l
|
||||
; stores the result in hl
|
||||
@@ -2358,9 +2299,8 @@ SetNoteDuration: ; e8a8d
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
; e8ac7
|
||||
|
||||
SetGlobalTempo: ; e8ac7
|
||||
SetGlobalTempo:
|
||||
push bc ; save current channel
|
||||
; are we dealing with music or sfx?
|
||||
ld a, [wCurChannel]
|
||||
@@ -2389,9 +2329,8 @@ SetGlobalTempo: ; e8ac7
|
||||
pop bc ; restore current channel
|
||||
ret
|
||||
|
||||
; e8b03
|
||||
|
||||
Tempo: ; e8b03
|
||||
Tempo:
|
||||
; input:
|
||||
; de: note length
|
||||
; update Tempo
|
||||
@@ -2407,18 +2346,16 @@ Tempo: ; e8b03
|
||||
ld [hl], a
|
||||
ret
|
||||
|
||||
; e8b11
|
||||
|
||||
StartChannel: ; e8b11
|
||||
StartChannel:
|
||||
call SetLRTracks
|
||||
ld hl, CHANNEL_FLAGS1
|
||||
add hl, bc
|
||||
set SOUND_CHANNEL_ON, [hl] ; turn channel on
|
||||
ret
|
||||
|
||||
; e8b1b
|
||||
|
||||
SetLRTracks: ; e8b1b
|
||||
SetLRTracks:
|
||||
; set tracks for a the current channel to default
|
||||
; seems to be redundant since this is overwritten by stereo data later
|
||||
push de
|
||||
@@ -2438,9 +2375,8 @@ SetLRTracks: ; e8b1b
|
||||
pop de
|
||||
ret
|
||||
|
||||
; e8b30
|
||||
|
||||
_PlayMusic:: ; e8b30
|
||||
_PlayMusic::
|
||||
; load music
|
||||
call MusicOff
|
||||
ld hl, wMusicID
|
||||
@@ -2482,9 +2418,8 @@ _PlayMusic:: ; e8b30
|
||||
call MusicOn
|
||||
ret
|
||||
|
||||
; e8b79
|
||||
|
||||
_PlayCry:: ; e8b79
|
||||
_PlayCry::
|
||||
; Play cry de using parameters:
|
||||
; wCryPitch
|
||||
; wCryLength
|
||||
@@ -2595,9 +2530,8 @@ _PlayCry:: ; e8b79
|
||||
call MusicOn
|
||||
ret
|
||||
|
||||
; e8c04
|
||||
|
||||
_PlaySFX:: ; e8c04
|
||||
_PlaySFX::
|
||||
; clear channels if they aren't already
|
||||
call MusicOff
|
||||
ld hl, wChannel5Flags1
|
||||
@@ -2696,9 +2630,8 @@ _PlaySFX:: ; e8c04
|
||||
ld [wSFXPriority], a
|
||||
ret
|
||||
|
||||
; e8ca6
|
||||
|
||||
PlayStereoSFX:: ; e8ca6
|
||||
PlayStereoSFX::
|
||||
; play sfx de
|
||||
|
||||
call MusicOff
|
||||
@@ -2799,9 +2732,8 @@ PlayStereoSFX:: ; e8ca6
|
||||
call MusicOn
|
||||
ret
|
||||
|
||||
; e8d1b
|
||||
|
||||
LoadChannel: ; e8d1b
|
||||
LoadChannel:
|
||||
; prep channel for use
|
||||
; input:
|
||||
; de:
|
||||
@@ -2845,9 +2777,8 @@ LoadChannel: ; e8d1b
|
||||
ld [hl], a
|
||||
ret
|
||||
|
||||
; e8d5b
|
||||
|
||||
ChannelInit: ; e8d5b
|
||||
ChannelInit:
|
||||
; make sure channel is cleared
|
||||
; set default tempo and note length in case nothing is loaded
|
||||
; input:
|
||||
@@ -2877,9 +2808,8 @@ ChannelInit: ; e8d5b
|
||||
pop de
|
||||
ret
|
||||
|
||||
; e8d76
|
||||
|
||||
LoadMusicByte:: ; e8d76
|
||||
LoadMusicByte::
|
||||
; input:
|
||||
; de = current music address
|
||||
; output:
|
||||
@@ -2889,7 +2819,6 @@ LoadMusicByte:: ; e8d76
|
||||
ld a, [wCurMusicByte]
|
||||
ret
|
||||
|
||||
; e8d80
|
||||
|
||||
|
||||
INCLUDE "audio/notes.asm"
|
||||
@@ -2899,7 +2828,7 @@ INCLUDE "audio/wave_samples.asm"
|
||||
INCLUDE "audio/drumkits.asm"
|
||||
|
||||
|
||||
GetLRTracks: ; e8fc2
|
||||
GetLRTracks:
|
||||
; gets the default sound l/r channels
|
||||
; stores mono/stereo table in hl
|
||||
ld a, [wOptions]
|
||||
@@ -2913,22 +2842,19 @@ GetLRTracks: ; e8fc2
|
||||
ld hl, StereoTracks
|
||||
ret
|
||||
|
||||
; e8fd1
|
||||
|
||||
MonoTracks: ; e8fd1
|
||||
MonoTracks:
|
||||
; bit corresponds to track #
|
||||
; hi: left channel
|
||||
; lo: right channel
|
||||
db $11, $22, $44, $88
|
||||
; e8fd5
|
||||
|
||||
StereoTracks: ; e8fd5
|
||||
StereoTracks:
|
||||
; made redundant
|
||||
; seems to be modified on a per-song basis
|
||||
db $11, $22, $44, $88
|
||||
; e8fd9
|
||||
|
||||
ChannelPointers: ; e8fd9
|
||||
ChannelPointers:
|
||||
; music channels
|
||||
dw wChannel1
|
||||
dw wChannel2
|
||||
@@ -2939,9 +2865,8 @@ ChannelPointers: ; e8fd9
|
||||
dw wChannel6
|
||||
dw wChannel7
|
||||
dw wChannel8
|
||||
; e8fe9
|
||||
|
||||
ClearChannels:: ; e8fe9
|
||||
ClearChannels::
|
||||
; runs ClearChannel for all 4 channels
|
||||
; doesn't seem to be used, but functionally identical to MapSetup_Sound_Off
|
||||
ld hl, rNR50
|
||||
@@ -2958,9 +2883,8 @@ ClearChannels:: ; e8fe9
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
; e8ffe
|
||||
|
||||
ClearChannel: ; e8ffe
|
||||
ClearChannel:
|
||||
; input: hl = beginning hw sound register (rNR10, rNR20, rNR30, rNR40)
|
||||
; output: 00 00 80 00 80
|
||||
|
||||
@@ -2977,9 +2901,8 @@ ClearChannel: ; e8ffe
|
||||
ld [hli], a ; rNR14, rNR24, rNR34, rNR44 ; restart sound (freq hi = 0)
|
||||
ret
|
||||
|
||||
; e900a
|
||||
|
||||
PlayTrainerEncounterMusic:: ; e900a
|
||||
PlayTrainerEncounterMusic::
|
||||
; input: e = trainer type
|
||||
; turn fade off
|
||||
xor a
|
||||
@@ -2998,4 +2921,3 @@ PlayTrainerEncounterMusic:: ; e900a
|
||||
ld e, [hl]
|
||||
call PlayMusic
|
||||
ret
|
||||
; e9027
|
||||
|
||||
Reference in New Issue
Block a user