diff options
Diffstat (limited to 'audio/engine.asm')
| -rw-r--r-- | audio/engine.asm | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/audio/engine.asm b/audio/engine.asm index 3fb4337..157734c 100644 --- a/audio/engine.asm +++ b/audio/engine.asm @@ -2,7 +2,7 @@ INCLUDE "constants.asm" SECTION "audio/engine.asm@Audio", ROMX -_DisableAudio:: ; 3a:4000 +_DisableAudio:: push hl push de push bc @@ -47,7 +47,7 @@ _DisableAudio:: ; 3a:4000 pop hl ret -_UpdateSound:: ; 3a:4037 +_UpdateSound:: ; Called once per frame xor a ld [wCurChannel], a @@ -77,7 +77,7 @@ _UpdateSound:: ; 3a:4037 call Functione82f0 ret -UpdateChannel: ; 3a:4061 +UpdateChannel: ; Get the note's duration ld hl, CHANNEL_NOTE_DURATION add hl, bc @@ -100,13 +100,13 @@ UpdateChannel: ; 3a:4061 call Functione80b6 ret -DisablePitchWheel: ; 3a:4061 +DisablePitchWheel: ld hl, CHANNEL_FLAGS2 add hl, bc res SOUND_PITCH_WHEEL, [hl] ret -Unreferenced_Functione8081: ; 3a:4081 +Unreferenced_Functione8081: ld a, [wMapMusic] bit 0, a jr nz, .disable_music @@ -140,7 +140,7 @@ Unreferenced_Functione8081: ; 3a:4081 scf ret -GetChannelRegisters: ; 3a:40a4 +GetChannelRegisters: ld a, [wCurChannel] ld e, a ld d, $00 @@ -153,7 +153,7 @@ GetChannelRegisters: ; 3a:40a4 .registers db LOW(rNR10), LOW(rNR20), LOW(rNR30), LOW(rNR40) -Functione80b6: ; 3a:40b6 +Functione80b6: ld hl, CHANNEL_DUTY_CYCLE add hl, bc ld a, [hl] @@ -192,7 +192,7 @@ Functione80b6: ; 3a:40b6 ld [hl], a ret -Functione80fa: ; 3a:40fa +Functione80fa: ld hl, .jumptable ld a, [wCurChannel] maskbits NUM_CHANNELS @@ -209,7 +209,7 @@ Functione80fa: ; 3a:40fa ; TODO SECTION "audio/engine.asm@IsChannelSFXOn", ROMX -IsChannelSFXOn: ; 3a:42bd +IsChannelSFXOn: ; If it's not a valid channel, return ld a, [wCurChannel] cp NUM_MUSIC_CHANS @@ -228,7 +228,7 @@ IsChannelSFXOn: ; 3a:42bd scf ret -IsAnySFXOn: ; 3a:42d0 +IsAnySFXOn: ld hl, wChannel5Flags1 bit SOUND_CHANNEL_ON, [hl] jr nz, .on @@ -250,7 +250,7 @@ IsAnySFXOn: ; 3a:42d0 ret SECTION "audio/engine.asm@Functione82f0", ROMX -Functione82f0: ; 3a:42f0 +Functione82f0: call IncrementTempo call PlayDanger call FadeMusic @@ -261,7 +261,7 @@ Functione82f0: ; 3a:42f0 ld [rNR51], a ret -PlayDanger: ; 3a:4307 +PlayDanger: ld a, [wLowHealthAlarm] bit DANGER_ON_F, a ret z @@ -318,19 +318,19 @@ PlayDanger: ; 3a:4307 ld [wSoundOutput], a ret -DangerSoundHigh: ; 3a:434a +DangerSoundHigh: db $80 ; duty 50% db $e2 ; volume 14, envelope decrease sweep 2 db $50 ; frequency: $750 db $87 ; restart sound -DangerSoundLow: ; 3a:434e +DangerSoundLow: db $80 ; duty 50% db $e2 ; volume 14, envelope decrease sweep 2 db $ee ; frequency: $6ee db $86 ; restart sound -IncrementTempo: ; 3a:4352 +IncrementTempo: call IsAnyChannelOn ret c @@ -371,7 +371,7 @@ IncrementTempo: ; 3a:4352 pop de ret -IsAnyChannelOn: ; 3a:438e +IsAnyChannelOn: ; Check if any music channel is on and isn't on the last frame ld hl, wChannel1Flags1 @@ -421,7 +421,7 @@ IsAnyChannelOn: ; 3a:438e scf ret -FadeMusic: ; 3a:43ce +FadeMusic: ; Fade music if applicable ; usage: ; write to wMusicFade @@ -504,7 +504,7 @@ FadeMusic: ; 3a:43ce SECTION "audio/engine.asm@Audio engine, part 2", ROMX -SetGlobalTempo: ; 3a:4cee +SetGlobalTempo: push bc ld a, [wCurChannel] cp CHAN5 @@ -533,7 +533,7 @@ SetGlobalTempo: ; 3a:4cee pop bc ret -Tempo: ; 3a:4d2a +Tempo: ld hl, CHANNEL_TEMPO add hl, bc ld [hl], e @@ -546,7 +546,7 @@ Tempo: ; 3a:4d2a ret -StartChannel: ; 3a:4d38 +StartChannel: call SetLRTracks ld hl, CHANNEL_FLAGS1 add hl, bc @@ -554,7 +554,7 @@ StartChannel: ; 3a:4d38 ret -StopChannel: ; 3a:4d42 +StopChannel: ld hl, CHANNEL_FLAGS1 add hl, bc res SOUND_CHANNEL_ON, [hl] @@ -567,7 +567,7 @@ StopChannel: ; 3a:4d42 ret -SetLRTracks: ; 3a:4d51 +SetLRTracks: push de ld a, [wCurChannel] maskbits NUM_MUSIC_CHANS @@ -583,7 +583,7 @@ SetLRTracks: ; 3a:4d51 ret -_PlayMusic:: ; 3a:4d66 +_PlayMusic:: ld hl, wMusicID ld [hl], e inc hl |