diff options
Diffstat (limited to 'audio/engine_1.asm')
| -rw-r--r-- | audio/engine_1.asm | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/audio/engine_1.asm b/audio/engine_1.asm index c729fa7e..36f5db5a 100644 --- a/audio/engine_1.asm +++ b/audio/engine_1.asm @@ -1,6 +1,6 @@ ; The first of three duplicated sound engines. -Audio1_UpdateMusic:: ; 0x9103 +Audio1_UpdateMusic:: ld c, CH0 .loop ld b, 0 @@ -36,7 +36,7 @@ Audio1_UpdateMusic:: ; 0x9103 ; this routine checks flags for music effects currently applied ; to the channel and calls certain functions based on flags. -Audio1_ApplyMusicAffects: ; 0x9138 +Audio1_ApplyMusicAffects: ld b, $0 ld hl, wChannelNoteDelayCounters ; delay until next note add hl, bc @@ -144,7 +144,7 @@ Audio1_ApplyMusicAffects: ; 0x9138 ; this routine executes all music commands that take up no time, ; like tempo changes, duty changes etc. and doesn't return ; until the first note is reached -Audio1_PlayNextNote: ; 0x91d0 +Audio1_PlayNextNote: ; reload the vibrato delay counter ld hl, wChannelVibratoDelayCounterReloadValues add hl, bc @@ -160,7 +160,7 @@ Audio1_PlayNextNote: ; 0x91d0 call Audio1_endchannel ret -Audio1_endchannel: ; 0x91e6 +Audio1_endchannel: call Audio1_GetNextMusicByte ld d, a cp $ff ; is this command an endchannel? @@ -250,7 +250,7 @@ Audio1_endchannel: ; 0x91e6 ld [hl], b ret -Audio1_callchannel: ; 0x9274 +Audio1_callchannel: cp $fd ; is this command a callchannel? jp nz, Audio1_loopchannel ; no call Audio1_GetNextMusicByte @@ -287,7 +287,7 @@ Audio1_callchannel: ; 0x9274 set BIT_CHANNEL_CALL, [hl] ; set the call flag jp Audio1_endchannel -Audio1_loopchannel: ; 0x92a9 +Audio1_loopchannel: cp $fe ; is this command a loopchannel? jp nz, Audio1_notetype ; no call Audio1_GetNextMusicByte @@ -325,7 +325,7 @@ Audio1_loopchannel: ; 0x92a9 ld [hl], b jp Audio1_endchannel -Audio1_notetype: ; 0x92e4 +Audio1_notetype: and $f0 cp $d0 ; is this command a notetype? jp nz, Audio1_toggleperfectpitch ; no @@ -369,7 +369,7 @@ Audio1_notetype: ; 0x92e4 .noiseChannel jp Audio1_endchannel -Audio1_toggleperfectpitch: ; 0x9323 +Audio1_toggleperfectpitch: ld a, d cp $e8 ; is this command a toggleperfectpitch? jr nz, Audio1_vibrato ; no @@ -381,7 +381,7 @@ Audio1_toggleperfectpitch: ; 0x9323 ld [hl], a ; flip bit 0 of wChannelFlags1 jp Audio1_endchannel -Audio1_vibrato: ; 0x9335 +Audio1_vibrato: cp $ea ; is this command a vibrato? jr nz, Audio1_pitchbend ; no call Audio1_GetNextMusicByte @@ -429,7 +429,7 @@ Audio1_vibrato: ; 0x9335 jp Audio1_endchannel -Audio1_pitchbend: ; 0x936d +Audio1_pitchbend: cp $eb ; is this command a pitchbend? jr nz, Audio1_duty ; no call Audio1_GetNextMusicByte @@ -460,7 +460,7 @@ Audio1_pitchbend: ; 0x936d ld d, a jp Audio1_notelength -Audio1_duty: ; 0x93a5 +Audio1_duty: cp $ec ; is this command a duty? jr nz, Audio1_tempo ; no call Audio1_GetNextMusicByte @@ -473,7 +473,7 @@ Audio1_duty: ; 0x93a5 ld [hl], a ; store duty jp Audio1_endchannel -Audio1_tempo: ; 0x93ba +Audio1_tempo: cp $ed ; is this command a tempo? jr nz, Audio1_stereopanning ; no ld a, c @@ -502,7 +502,7 @@ Audio1_tempo: ; 0x93ba .musicChannelDone jp Audio1_endchannel -Audio1_stereopanning: ; 0x93fa +Audio1_stereopanning: cp $ee ; is this command a stereopanning? jr nz, Audio1_unknownmusic0xef ; no call Audio1_GetNextMusicByte @@ -510,7 +510,7 @@ Audio1_stereopanning: ; 0x93fa jp Audio1_endchannel ; this appears to never be used -Audio1_unknownmusic0xef: ; 0x9407 +Audio1_unknownmusic0xef: cp $ef ; is this command an unknownmusic0xef? jr nz, Audio1_dutycycle ; no call Audio1_GetNextMusicByte @@ -527,7 +527,7 @@ Audio1_unknownmusic0xef: ; 0x9407 .skip jp Audio1_endchannel -Audio1_dutycycle: ; 0x9426 +Audio1_dutycycle: cp $fc ; is this command a dutycycle? jr nz, Audio1_volume ; no call Audio1_GetNextMusicByte @@ -544,14 +544,14 @@ Audio1_dutycycle: ; 0x9426 set BIT_ROTATE_DUTY, [hl] jp Audio1_endchannel -Audio1_volume: ; 0x9444 +Audio1_volume: cp $f0 ; is this command a volume? jr nz, Audio1_executemusic ; no call Audio1_GetNextMusicByte ld [rNR50], a ; store volume jp Audio1_endchannel -Audio1_executemusic: ; 0x9450 +Audio1_executemusic: cp $f8 ; is this command an executemusic? jr nz, Audio1_octave ; no ld b, $0 @@ -560,7 +560,7 @@ Audio1_executemusic: ; 0x9450 set BIT_EXECUTE_MUSIC, [hl] jp Audio1_endchannel -Audio1_octave: ; 0x945f +Audio1_octave: and $f0 cp $e0 ; is this command an octave? jr nz, Audio1_unknownsfx0x20 ; no @@ -572,7 +572,7 @@ Audio1_octave: ; 0x945f ld [hl], a ; store low nibble as octave jp Audio1_endchannel -Audio1_unknownsfx0x20: ; 0x9472 +Audio1_unknownsfx0x20: cp $20 ; is this command an unknownsfx0x20? jr nz, Audio1_unknownsfx0x10 ld a, c @@ -676,7 +676,7 @@ asm_94fd pop bc pop de -Audio1_notelength: ; 0x950a +Audio1_notelength: ld a, d push af and $f @@ -734,7 +734,7 @@ Audio1_notelength: ; 0x950a pop hl ret -Audio1_notepitch: ; 0x9568 +Audio1_notepitch: pop af and $f0 cp $c0 ; compare to rest @@ -829,7 +829,7 @@ Audio1_notepitch: ; 0x9568 call Audio1_ApplyWavePatternAndFrequency ret -Audio1_EnableChannelOutput: ; 0x95f8 +Audio1_EnableChannelOutput: ld b, 0 ld hl, Audio1_HWChannelEnableMasks add hl, bc @@ -866,7 +866,7 @@ Audio1_EnableChannelOutput: ; 0x95f8 ld [rNR51], a ret -Audio1_ApplyDutyAndSoundLength: ; 0x9629 +Audio1_ApplyDutyAndSoundLength: ld b, 0 ld hl, wChannelNoteDelayCounters ; use the note delay as sound length add hl, bc @@ -891,7 +891,7 @@ Audio1_ApplyDutyAndSoundLength: ; 0x9629 ld [hl], d ret -Audio1_ApplyWavePatternAndFrequency: ; 0x964b +Audio1_ApplyWavePatternAndFrequency: ld a, c cp CH2 jr z, .channel3 @@ -942,7 +942,7 @@ Audio1_ApplyWavePatternAndFrequency: ; 0x964b call Audio1_ApplyFrequencyModifier ret -Audio1_SetSfxTempo: ; 0x9693 +Audio1_SetSfxTempo: call Audio1_IsCry jr nc, .notCry ld d, 0 @@ -963,7 +963,7 @@ Audio1_SetSfxTempo: ; 0x9693 .done ret -Audio1_ApplyFrequencyModifier: ; 0x96b5 +Audio1_ApplyFrequencyModifier: call Audio1_IsCry jr nc, .done ; if playing a cry, add the cry's frequency modifier @@ -980,7 +980,7 @@ Audio1_ApplyFrequencyModifier: ; 0x96b5 .done ret -Audio1_GoBackOneCommandIfCry: ; 0x96c7 +Audio1_GoBackOneCommandIfCry: call Audio1_IsCry jr nc, .done ld hl, wChannelCommandPointers @@ -1003,7 +1003,7 @@ Audio1_GoBackOneCommandIfCry: ; 0x96c7 ccf ret -Audio1_IsCry: ; 0x96e5 +Audio1_IsCry: ; Returns whether the currently playing audio is a cry in carry. ld a, [wChannelSoundIDs + CH4] cp CRY_SFX_START @@ -1021,7 +1021,7 @@ Audio1_IsCry: ; 0x96e5 scf ret -Audio1_ApplyPitchBend: ; 0x96f9 +Audio1_ApplyPitchBend: ld hl, wChannelFlags1 add hl, bc bit BIT_PITCH_BEND_DECREASING, [hl] @@ -1125,7 +1125,7 @@ Audio1_ApplyPitchBend: ; 0x96f9 res BIT_PITCH_BEND_DECREASING, [hl] ret -Audio1_InitPitchBendVars: ; 0x978f +Audio1_InitPitchBendVars: ld hl, wChannelPitchBendCurrentFrequencyHighBytes add hl, bc ld [hl], d @@ -1224,7 +1224,7 @@ Audio1_InitPitchBendVars: ; 0x978f ld [hl], a ; store remainder - dividend ret -Audio1_ApplyDutyCycle: ; 0x980d +Audio1_ApplyDutyCycle: ld b, 0 ld hl, wChannelDutyCycles add hl, bc @@ -1242,7 +1242,7 @@ Audio1_ApplyDutyCycle: ; 0x980d ld [hl], a ret -Audio1_GetNextMusicByte: ; 0x9825 +Audio1_GetNextMusicByte: ld d, 0 ld a, c add a @@ -1260,7 +1260,7 @@ Audio1_GetNextMusicByte: ; 0x9825 ld [hl], d ret -Audio1_GetRegisterPointer: ; 0x9838 +Audio1_GetRegisterPointer: ; hl = address of hardware sound register b for software channel c ld a, c ld hl, Audio1_HWChannelBaseAddresses @@ -1275,7 +1275,7 @@ Audio1_GetRegisterPointer: ; 0x9838 ld h, $ff ret -Audio1_MultiplyAdd: ; 0x9847 +Audio1_MultiplyAdd: ; hl = l + (a * de) ld h, 0 .loop @@ -1291,7 +1291,7 @@ Audio1_MultiplyAdd: ; 0x9847 .done ret -Audio1_CalculateFrequency: ; 0x9858 +Audio1_CalculateFrequency: ; return the frequency for note a, octave b in de ld h, 0 ld l, a @@ -1317,7 +1317,7 @@ Audio1_CalculateFrequency: ; 0x9858 ld d, a ret -Audio1_PlaySound:: ; 0x9876 +Audio1_PlaySound:: ld [wSoundID], a cp $ff jp z, .stopAllAudio @@ -1695,23 +1695,23 @@ Audio1_PlaySound:: ; 0x9876 .done ret -Audio1_CryEndchannel: ; 0x9b16 +Audio1_CryEndchannel: endchannel -Audio1_HWChannelBaseAddresses: ; 0x9b17 +Audio1_HWChannelBaseAddresses: ; the low bytes of each HW channel's base address db HW_CH1_BASE, HW_CH2_BASE, HW_CH3_BASE, HW_CH4_BASE ; channels 0-3 db HW_CH1_BASE, HW_CH2_BASE, HW_CH3_BASE, HW_CH4_BASE ; channels 4-7 -Audio1_HWChannelDisableMasks: ; 0x9b1f +Audio1_HWChannelDisableMasks: db HW_CH1_DISABLE_MASK, HW_CH2_DISABLE_MASK, HW_CH3_DISABLE_MASK, HW_CH4_DISABLE_MASK ; channels 0-3 db HW_CH1_DISABLE_MASK, HW_CH2_DISABLE_MASK, HW_CH3_DISABLE_MASK, HW_CH4_DISABLE_MASK ; channels 4-7 -Audio1_HWChannelEnableMasks: ; 0x9b27 +Audio1_HWChannelEnableMasks: db HW_CH1_ENABLE_MASK, HW_CH2_ENABLE_MASK, HW_CH3_ENABLE_MASK, HW_CH4_ENABLE_MASK ; channels 0-3 db HW_CH1_ENABLE_MASK, HW_CH2_ENABLE_MASK, HW_CH3_ENABLE_MASK, HW_CH4_ENABLE_MASK ; channels 4-7 -Audio1_Pitches: ; 0x9b2f +Audio1_Pitches: dw $F82C ; C_ dw $F89D ; C# dw $F907 ; D_ |