diff options
Diffstat (limited to 'audio/engine_3.asm')
| -rw-r--r-- | audio/engine_3.asm | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/audio/engine_3.asm b/audio/engine_3.asm index c7254405..33baa5c6 100644 --- a/audio/engine_3.asm +++ b/audio/engine_3.asm @@ -1,6 +1,6 @@ ; The third of three duplicated sound engines. -Audio3_UpdateMusic:: ; 7d177 (1f:5177) +Audio3_UpdateMusic:: ld c, CH0 .loop ld b, $0 @@ -42,7 +42,7 @@ Audio3_UpdateMusic:: ; 7d177 (1f:5177) ; 3: a toggle used only by this routine for vibrato ; 4: pitchbend flag ; 6: dutycycle flag -Audio3_ApplyMusicAffects: ; 7d1ac (1f:51ac) +Audio3_ApplyMusicAffects: ld b, $0 ld hl, wChannelNoteDelayCounters ; delay until next note add hl, bc @@ -148,7 +148,7 @@ Audio3_ApplyMusicAffects: ; 7d1ac (1f:51ac) ; 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 -Audio3_PlayNextNote: ; 7d244 (1f:5244) +Audio3_PlayNextNote: ld hl, wChannelVibratoDelayCounterReloadValues add hl, bc ld a, [hl] @@ -162,7 +162,7 @@ Audio3_PlayNextNote: ; 7d244 (1f:5244) call Audio3_endchannel ret -Audio3_endchannel: ; 7d25a (1f:525a) +Audio3_endchannel: call Audio3_GetNextMusicByte ld d, a cp $ff ; is this command an endchannel? @@ -251,7 +251,7 @@ Audio3_endchannel: ; 7d25a (1f:525a) ld [hl], b ret -Audio3_callchannel: ; 7d2e8 (1f:52e8) +Audio3_callchannel: cp $fd ; is this command a callchannel? jp nz, Audio3_loopchannel ; no call Audio3_GetNextMusicByte ; yes @@ -288,7 +288,7 @@ Audio3_callchannel: ; 7d2e8 (1f:52e8) set 1, [hl] ; set the call flag jp Audio3_endchannel -Audio3_loopchannel: ; 7d31d (1f:531d) +Audio3_loopchannel: cp $fe ; is this command a loopchannel? jp nz, Audio3_notetype ; no call Audio3_GetNextMusicByte ; yes @@ -326,7 +326,7 @@ Audio3_loopchannel: ; 7d31d (1f:531d) ld [hl], b jp Audio3_endchannel -Audio3_notetype: ; 7d358 (1f:5358) +Audio3_notetype: and $f0 cp $d0 ; is this command a notetype? jp nz, Audio3_toggleperfectpitch ; no @@ -370,7 +370,7 @@ Audio3_notetype: ; 7d358 (1f:5358) .noiseChannel jp Audio3_endchannel -Audio3_toggleperfectpitch: ; 7d397 (1f:5397) +Audio3_toggleperfectpitch: ld a, d cp $e8 ; is this command a toggleperfectpitch? jr nz, Audio3_vibrato ; no @@ -382,7 +382,7 @@ Audio3_toggleperfectpitch: ; 7d397 (1f:5397) ld [hl], a ; flip bit 0 of wChannelFlags1 jp Audio3_endchannel -Audio3_vibrato: ; 7d3a9 (1f:53a9) +Audio3_vibrato: cp $ea ; is this command a vibrato? jr nz, Audio3_pitchbend ; no call Audio3_GetNextMusicByte ; yes @@ -416,7 +416,7 @@ Audio3_vibrato: ; 7d3a9 (1f:53a9) ld [hl], a ; store depth as both high and low nibbles jp Audio3_endchannel -Audio3_pitchbend: ; 7d3e1 (1f:53e1) +Audio3_pitchbend: cp $eb ; is this command a pitchbend? jr nz, Audio3_duty ; no call Audio3_GetNextMusicByte ; yes @@ -447,7 +447,7 @@ Audio3_pitchbend: ; 7d3e1 (1f:53e1) ld d, a jp Audio3_notelength -Audio3_duty: ; 7d419 (1f:5419) +Audio3_duty: cp $ec ; is this command a duty? jr nz, Audio3_tempo ; no call Audio3_GetNextMusicByte ; yes @@ -460,7 +460,7 @@ Audio3_duty: ; 7d419 (1f:5419) ld [hl], a ; store duty jp Audio3_endchannel -Audio3_tempo: ; 7d42e (1f:542e) +Audio3_tempo: cp $ed ; is this command a tempo? jr nz, Audio3_stereopanning ; no ld a, c ; yes @@ -489,7 +489,7 @@ Audio3_tempo: ; 7d42e (1f:542e) .musicChannelDone jp Audio3_endchannel -Audio3_stereopanning: ; 7d46e (1f:546e) +Audio3_stereopanning: cp $ee ; is this command a stereopanning? jr nz, Audio3_unknownmusic0xef ; no call Audio3_GetNextMusicByte ; yes @@ -497,7 +497,7 @@ Audio3_stereopanning: ; 7d46e (1f:546e) jp Audio3_endchannel ; this appears to never be used -Audio3_unknownmusic0xef: ; 7d47b (1f:547b) +Audio3_unknownmusic0xef: cp $ef ; is this command an unknownmusic0xef? jr nz, Audio3_dutycycle ; no call Audio3_GetNextMusicByte ; yes @@ -514,7 +514,7 @@ Audio3_unknownmusic0xef: ; 7d47b (1f:547b) .skip jp Audio3_endchannel -Audio3_dutycycle: ; 7d49a (1f:549a) +Audio3_dutycycle: cp $fc ; is this command a dutycycle? jr nz, Audio3_volume ; no call Audio3_GetNextMusicByte ; yes @@ -531,14 +531,14 @@ Audio3_dutycycle: ; 7d49a (1f:549a) set 6, [hl] ; set duty flag jp Audio3_endchannel -Audio3_volume: ; 7d4b8 (1f:54b8) +Audio3_volume: cp $f0 ; is this command a volume? jr nz, Audio3_executemusic ; no call Audio3_GetNextMusicByte ; yes ld [rNR50], a ; store volume jp Audio3_endchannel -Audio3_executemusic: ; 7d4c4 (1f:54c4) +Audio3_executemusic: cp $f8 ; is this command an executemusic? jr nz, Audio3_octave ; no ld b, $0 ; yes @@ -547,7 +547,7 @@ Audio3_executemusic: ; 7d4c4 (1f:54c4) set 0, [hl] jp Audio3_endchannel -Audio3_octave: ; 7d4d3 (1f:54d3) +Audio3_octave: and $f0 cp $e0 ; is this command an octave? jr nz, Audio3_unknownsfx0x20 ; no @@ -559,7 +559,7 @@ Audio3_octave: ; 7d4d3 (1f:54d3) ld [hl], a ; store low nibble as octave jp Audio3_endchannel -Audio3_unknownsfx0x20: ; 7d4e6 (1f:54e6) +Audio3_unknownsfx0x20: cp $20 ; is this command an unknownsfx0x20? jr nz, Audio3_unknownsfx0x10 ; no ld a, c @@ -604,7 +604,7 @@ Audio3_unknownsfx0x20: ; 7d4e6 (1f:54e6) call Audio3_7d6bf ret -Audio3_unknownsfx0x10: ; 7d533 (1f:5533) +Audio3_unknownsfx0x10: ld a, c cp CH4 jr c, Audio3_note ; if not a sfx @@ -620,7 +620,7 @@ Audio3_unknownsfx0x10: ; 7d533 (1f:5533) ld [rNR10], a jp Audio3_endchannel -Audio3_note: ; 7d54f (1f:554f) +Audio3_note: ld a, c cp CH3 jr nz, Audio3_notelength ; if not noise channel @@ -639,7 +639,7 @@ Audio3_note: ; 7d54f (1f:554f) push bc jr asm_7d571 -Audio3_dnote: ; 7d569 (1f:5569) +Audio3_dnote: ld a, d and $f push af @@ -656,7 +656,7 @@ asm_7d571 pop bc pop de -Audio3_notelength: ; 7d57e (1f:557e) +Audio3_notelength: ld a, d push af and $f @@ -714,7 +714,7 @@ Audio3_notelength: ; 7d57e (1f:557e) pop hl ret -Audio3_notepitch: ; 7d5dc (1f:55dc) +Audio3_notepitch: pop af and $f0 cp $c0 ; compare to rest @@ -807,7 +807,7 @@ Audio3_notepitch: ; 7d5dc (1f:55dc) call Audio3_7d6bf ret -Audio3_7d66c: ; 7d66c (1f:566c) +Audio3_7d66c: ld b, $0 ld hl, Unknown_7db9b add hl, bc @@ -841,7 +841,7 @@ Audio3_7d66c: ; 7d66c (1f:566c) ld [rNR51], a ret -Audio3_7d69d: ; 7d69d (1f:569d) +Audio3_7d69d: ld b, $0 ld hl, wChannelNoteDelayCounters add hl, bc @@ -865,7 +865,7 @@ Audio3_7d69d: ; 7d69d (1f:569d) ld [hl], d ret -Audio3_7d6bf: ; 7d6bf (1f:56bf) +Audio3_7d6bf: ld a, c cp CH2 jr z, .channel3 @@ -916,7 +916,7 @@ Audio3_7d6bf: ; 7d6bf (1f:56bf) call Audio3_7d729 ret -Audio3_7d707: ; 7d707 (1f:5707) +Audio3_7d707: call Audio3_7d759 jr nc, .asm_7d71f ld d, $0 @@ -937,7 +937,7 @@ Audio3_7d707: ; 7d707 (1f:5707) .asm_7d728 ret -Audio3_7d729: ; 7d729 (1f:5729) +Audio3_7d729: call Audio3_7d759 jr nc, .asm_7d73a ld a, [wFrequencyModifier] @@ -953,7 +953,7 @@ Audio3_7d729: ; 7d729 (1f:5729) .asm_7d73a ret -Audio3_7d73b: ; 7d73b (1f:573b) +Audio3_7d73b: call Audio3_7d759 jr nc, .asm_7d756 ld hl, wChannelCommandPointers @@ -976,7 +976,7 @@ Audio3_7d73b: ; 7d73b (1f:573b) ccf ret -Audio3_7d759: ; 7d759 (1f:5759) +Audio3_7d759: ld a, [wChannelSoundIDs + CH4] cp $14 jr nc, .asm_7d762 @@ -993,7 +993,7 @@ Audio3_7d759: ; 7d759 (1f:5759) scf ret -Audio3_ApplyPitchBend: ; 7d76d (1f:576d) +Audio3_ApplyPitchBend: ld hl, wChannelFlags1 add hl, bc bit 5, [hl] @@ -1095,7 +1095,7 @@ Audio3_ApplyPitchBend: ; 7d76d (1f:576d) res 5, [hl] ret -Audio3_7d803: ; 7d803 (1f:5803) +Audio3_7d803: ld hl, wChannelPitchBendCurrentFrequencyHighBytes add hl, bc ld [hl], d @@ -1184,7 +1184,7 @@ Audio3_7d803: ; 7d803 (1f:5803) ld [hl], a ret -Audio3_ApplyDutyCycle: ; 7d881 (1f:5881) +Audio3_ApplyDutyCycle: ld b, $0 ld hl, wChannelDutyCycles add hl, bc @@ -1202,7 +1202,7 @@ Audio3_ApplyDutyCycle: ; 7d881 (1f:5881) ld [hl], a ret -Audio3_GetNextMusicByte: ; 7d899 (1f:5899) +Audio3_GetNextMusicByte: ld d, $0 ld a, c add a @@ -1220,7 +1220,7 @@ Audio3_GetNextMusicByte: ; 7d899 (1f:5899) ld [hl], d ret -Audio3_7d8ac: ; 7d8ac (1f:58ac) +Audio3_7d8ac: ld a, c ld hl, Unknown_7db8b add l @@ -1234,7 +1234,7 @@ Audio3_7d8ac: ; 7d8ac (1f:58ac) ld h, $ff ret -Audio3_7d8bb: ; 7d8bb (1f:58bb) +Audio3_7d8bb: ld h, $0 .loop srl a @@ -1249,7 +1249,7 @@ Audio3_7d8bb: ; 7d8bb (1f:58bb) .done ret -Audio3_7d8cc: ; 7d8cc (1f:58cc) +Audio3_7d8cc: ld h, $0 ld l, a add hl, hl @@ -1274,7 +1274,7 @@ Audio3_7d8cc: ; 7d8cc (1f:58cc) ld d, a ret -Audio3_PlaySound:: ; 7d8ea (1f:58ea) +Audio3_PlaySound:: ld [wSoundID], a cp $ff jp z, Audio3_7daa8 @@ -1357,7 +1357,7 @@ Audio3_PlaySound:: ; 7d8ea (1f:58ea) ld [rNR50], a jp Audio3_7db03 -Audio3_7d9c2: ; 7d9c2 (1f:59c2) +Audio3_7d9c2: ld l, a ld e, a ld h, $0 @@ -1508,7 +1508,7 @@ Audio3_7d9c2: ; 7d9c2 (1f:59c2) dec c jp .asm_7d9db -Audio3_7daa8: ; 7daa8 (1f:5aa8) +Audio3_7daa8: ld a, $80 ld [rNR52], a ld [rNR30], a @@ -1548,7 +1548,7 @@ Audio3_7daa8: ; 7daa8 (1f:5aa8) ret ; fills d bytes at hl with a -FillAudioRAM3: ; 7dafd (1f:5afd) +FillAudioRAM3: ld b, d .loop ld [hli], a @@ -1556,7 +1556,7 @@ FillAudioRAM3: ; 7dafd (1f:5afd) jr nz, .loop ret -Audio3_7db03: ; 7db03 (1f:5b03) +Audio3_7db03: ld a, [wSoundID] ld l, a ld e, a @@ -1651,22 +1651,22 @@ Audio3_7db03: ; 7db03 (1f:5b03) .asm_7db89 ret -Noise3_endchannel: ; 7db8a (1f:5b8a) +Noise3_endchannel: endchannel -Unknown_7db8b: ; 7db8b (1f:5b8b) +Unknown_7db8b: db $10, $15, $1A, $1F ; channels 0-3 db $10, $15, $1A, $1F ; channels 4-7 -Unknown_7db93: ; 7db93 (1f:5b93) +Unknown_7db93: db $EE, $DD, $BB, $77 ; channels 0-3 db $EE, $DD, $BB, $77 ; channels 4-7 -Unknown_7db9b: ; 7db9b (1f:5b9b) +Unknown_7db9b: db $11, $22, $44, $88 ; channels 0-3 db $11, $22, $44, $88 ; channels 4-7 -Audio3_Pitches: ; 7dba3 (1f:5ba3) +Audio3_Pitches: dw $F82C ; C_ dw $F89D ; C# dw $F907 ; D_ |