diff options
Diffstat (limited to 'audio/engine_3.asm')
| -rw-r--r-- | audio/engine_3.asm | 125 |
1 files changed, 63 insertions, 62 deletions
diff --git a/audio/engine_3.asm b/audio/engine_3.asm index 418ee10b..2d4a30e3 100644 --- a/audio/engine_3.asm +++ b/audio/engine_3.asm @@ -4,21 +4,22 @@ Audio3_PlaySound:: ld [wSoundID], a ld a, [wSoundID] cp $ff - jp z, Audio3_7d18e - cp $c2 - jp z, Audio3_7d12d - jp c, Audio3_7d12d + jp z, .stopAllAudio + cp MAX_SFX_ID_3 + jp z, .playSfx + jp c, .playSfx cp $fd - jr z, .asm_7d127 - jp nc, Audio3_7d12d -.asm_7d127 + jr z, .playMusic + jp nc, .playSfx + +.playMusic call InitMusicVariables - jp Audio3_7d192 + jp .playSoundCommon -Audio3_7d12d: +.playSfx ld l, a ld e, a - ld h, $0 + ld h, 0 ld d, h add hl, hl add hl, de @@ -33,13 +34,13 @@ Audio3_7d12d: rlca rlca ld c, a -.asm_7d146 +.sfxChannelLoop ld d, c ld a, c add a add c ld c, a - ld b, $0 + ld b, 0 ld a, [wSfxHeaderPointer] ld h, a ld a, [wSfxHeaderPointer + 1] @@ -48,48 +49,48 @@ Audio3_7d12d: ld c, d ld a, [hl] and $f - ld e, a - ld d, $0 + ld e, a ; software channel ID + ld d, 0 ld hl, wChannelSoundIDs add hl, de ld a, [hl] and a - jr z, .asm_7d182 + jr z, .playChannel ld a, e - cp $7 - jr nz, .asm_7d179 + cp Ch8 + jr nz, .notNoiseChannel ld a, [wSoundID] - cp $14 - jr nc, .asm_7d172 + cp NOISE_INSTRUMENTS_END + jr nc, .notNoiseInstrument ret -.asm_7d172 +.notNoiseInstrument ld a, [hl] - cp $14 - jr z, .asm_7d182 - jr c, .asm_7d182 -.asm_7d179 + cp NOISE_INSTRUMENTS_END + jr z, .playChannel + jr c, .playChannel +.notNoiseChannel ld a, [wSoundID] cp [hl] - jr z, .asm_7d182 - jr c, .asm_7d182 + jr z, .playChannel + jr c, .playChannel ret -.asm_7d182 +.playChannel call InitSFXVariables ld a, c and a - jp z, Audio3_7d192 + jp z, .playSoundCommon dec c - jp .asm_7d146 + jp .sfxChannelLoop -Audio3_7d18e: +.stopAllAudio call StopAllAudio ret -Audio3_7d192: +.playSoundCommon ld a, [wSoundID] ld l, a ld e, a - ld h, $0 + ld h, 0 ld d, h add hl, hl add hl, de @@ -109,26 +110,26 @@ Audio3_7d192: ld b, c inc b inc de - ld c, $0 -.asm_7d1b4 + ld c, 0 +.commandPointerLoop cp c - jr z, .asm_7d1bc + jr z, .next inc c inc hl inc hl - jr .asm_7d1b4 -.asm_7d1bc + jr .commandPointerLoop +.next push af push hl push bc - ld b, $0 + ld b, 0 ld c, a - cp $3 - jr c, .asm_7d1cc + cp Ch4 + jr c, .skipSettingFlag ld hl, wChannelFlags1 add hl, bc - set 2, [hl] -.asm_7d1cc + set BIT_NOISE_OR_SFX, [hl] +.skipSettingFlag pop bc pop hl ld a, [de] ; get channel pointer @@ -140,7 +141,7 @@ Audio3_7d192: pop af push hl push bc - ld b, $0 + ld b, 0 ld c, a ld hl, wChannelSoundIDs add hl, bc @@ -154,37 +155,37 @@ Audio3_7d192: and a ld a, [de] inc de - jr nz, .asm_7d1b4 + jr nz, .commandPointerLoop ld a, [wSoundID] - cp $14 - jr nc, .asm_7d1f5 - jr .asm_7d21f -.asm_7d1f5 + cp CRY_SFX_START + jr nc, .maybeCry + jr .done +.maybeCry ld a, [wSoundID] - cp $86 - jr z, .asm_7d21f - jr c, .asm_7d200 - jr .asm_7d21f -.asm_7d200 - ld hl, wChannelSoundIDs + CH4 + cp CRY_SFX_END + jr z, .done + jr c, .cry + jr .done +.cry + ld hl, wChannelSoundIDs + Ch5 ld [hli], a ld [hli], a ld [hli], a ld [hl], a - ld hl, wChannelCommandPointers + CH6 * 2 ; sfx noise channel pointer - ld de, Noise3_endchannel + ld hl, wChannelCommandPointers + Ch7 * 2 ; sfx wave channel pointer + ld de, Audio3_CryRet ld [hl], e inc hl - ld [hl], d ; overwrite pointer to point to endchannel + ld [hl], d ; overwrite pointer to point to sound_ret ld a, [wSavedVolume] and a - jr nz, .asm_7d21f + jr nz, .done ld a, [rNR50] ld [wSavedVolume], a ld a, $77 - ld [rNR50], a -.asm_7d21f + ld [rNR50], a ; full volume +.done ret -Noise3_endchannel: - endchannel +Audio3_CryRet: + sound_ret |