diff options
Diffstat (limited to 'home')
| -rw-r--r-- | home/audio.asm | 233 | ||||
| -rw-r--r-- | home/init.asm | 14 | ||||
| -rw-r--r-- | home/overworld.asm | 22 | ||||
| -rw-r--r-- | home/vblank.asm | 12 |
4 files changed, 158 insertions, 123 deletions
diff --git a/home/audio.asm b/home/audio.asm index 033f4067..2c46ec7a 100644 --- a/home/audio.asm +++ b/home/audio.asm @@ -3,112 +3,139 @@ PlayDefaultMusic:: ; 2307 (0:2307) xor a ld c, a ld d, a - ld [wcfca], a - jr Func_2324 + ld [wLastMusicSoundID], a + jr PlayDefaultMusicCommon -Func_2312:: ; 2312 (0:2312) - ld c, $a - ld d, $0 +PlayDefaultMusicFadeOutCurrent:: ; 2312 (0:2312) +; Fade out the current music and then play the default music. + ld c, 10 + ld d, 0 ld a, [wd72e] - bit 5, a - jr z, Func_2324 + bit 5, a ; has a battle just ended? + jr z, PlayDefaultMusicCommon xor a - ld [wcfca], a - ld c, $8 + ld [wLastMusicSoundID], a + ld c, 8 ld d, c -Func_2324:: ; 2324 (0:2324) + +PlayDefaultMusicCommon:: ; 2324 (0:2324) ld a, [wWalkBikeSurfState] and a - jr z, .asm_2343 + jr z, .walking cp $2 - jr z, .asm_2332 + jr z, .surfing ld a, MUSIC_BIKE_RIDING - jr .asm_2334 -.asm_2332 + jr .next + +.surfing ld a, MUSIC_SURFING -.asm_2334 + +.next ld b, a ld a, d - and a + and a ; should current music be faded out first? ld a, BANK(Music_BikeRiding) - jr nz, .asm_233e - ld [wc0ef], a -.asm_233e - ld [wc0f0], a - jr .asm_234c -.asm_2343 - ld a, [wd35b] + jr nz, .next2 + +; Only change the audio ROM bank if the current music isn't going to be faded +; out before the default music begins. + ld [wAudioROMBank], a + +.next2 +; [wAudioSavedROMBank] will be copied to [wAudioROMBank] after fading out the +; current music (if the current music is faded out). + ld [wAudioSavedROMBank], a + jr .next3 + +.walking + ld a, [wMapMusicSoundID] ld b, a - call Func_2385 - jr c, .asm_2351 -.asm_234c - ld a, [wcfca] - cp b - ret z -.asm_2351 + call CompareMapMusicBankWithCurrentBank + jr c, .next4 + +.next3 + ld a, [wLastMusicSoundID] + cp b ; is the default music already playing? + ret z ; if so, do nothing + +.next4 ld a, c - ld [wMusicHeaderPointer], a + ld [wAudioFadeOutControl], a ld a, b - ld [wcfca], a - ld [wc0ee], a + ld [wLastMusicSoundID], a + ld [wNewSoundID], a jp PlaySound -Func_235f:: ; 235f (0:235f) - ld a, [wc0ef] +UpdateMusic6Times:: ; 235f (0:235f) +; This is called when entering a map, before fading out the current music and +; playing the default music (i.e. the map's music or biking/surfing music). + ld a, [wAudioROMBank] ld b, a cp BANK(Audio1_UpdateMusic) jr nz, .checkForAudio2 -.audio1 + +; audio 1 ld hl, Audio1_UpdateMusic - jr .asm_2378 + jr .next + .checkForAudio2 cp BANK(Audio2_UpdateMusic) jr nz, .audio3 -.audio2 + +; audio 2 ld hl, Audio2_UpdateMusic - jr .asm_2378 + jr .next + .audio3 ld hl, Audio3_UpdateMusic -.asm_2378 - ld c, $6 -.asm_237a + +.next + ld c, 6 +.loop push bc push hl call Bankswitch pop hl pop bc dec c - jr nz, .asm_237a + jr nz, .loop ret -Func_2385:: ; 2385 (0:2385) - ld a, [wd35c] +CompareMapMusicBankWithCurrentBank:: ; 2385 (0:2385) +; Compares the map music's audio ROM bank with the current audio ROM bank +; and updates the audio ROM bank variables. +; Returns whether the banks are different in carry. + ld a, [wMapMusicROMBank] ld e, a - ld a, [wc0ef] + ld a, [wAudioROMBank] cp e - jr nz, .asm_2394 - ld [wc0f0], a + jr nz, .differentBanks + ld [wAudioSavedROMBank], a and a ret -.asm_2394 - ld a, c +.differentBanks + ld a, c ; this is a fade-out counter value and it's always non-zero and a ld a, e - jr nz, .asm_239c - ld [wc0ef], a -.asm_239c - ld [wc0f0], a + jr nz, .next +; If the fade-counter is non-zero, we don't change the audio ROM bank because +; it's needed to keep playing the music as it fades out. The FadeOutAudio +; routine will take care of copying [wAudioSavedROMBank] to [wAudioROMBank] +; when the music has faded out. + ld [wAudioROMBank], a +.next + ld [wAudioSavedROMBank], a scf ret PlayMusic:: ; 23a1 (0:23a1) ld b, a - ld [wc0ee], a + ld [wNewSoundID], a xor a - ld [wMusicHeaderPointer], a + ld [wAudioFadeOutControl], a ld a, c - ld [wc0ef], a - ld [wc0f0], a + ld [wAudioROMBank], a + ld [wAudioSavedROMBank], a ld a, b ; plays music specified by a. If value is $ff, music is stopped @@ -117,66 +144,74 @@ PlaySound:: ; 23b1 (0:23b1) push de push bc ld b, a - ld a, [wc0ee] + ld a, [wNewSoundID] and a - jr z, .asm_23c8 + jr z, .next xor a - ld [wc02a], a - ld [wc02b], a - ld [wc02c], a - ld [wc02d], a -.asm_23c8 - ld a, [wMusicHeaderPointer] - and a - jr z, .asm_23e3 - ld a, [wc0ee] - and a - jr z, .asm_2425 + ld [wChannelSoundIDs + CH4], a + ld [wChannelSoundIDs + CH5], a + ld [wChannelSoundIDs + CH6], a + ld [wChannelSoundIDs + CH7], a +.next + ld a, [wAudioFadeOutControl] + and a ; has a fade-out length been specified? + jr z, .noFadeOut + ld a, [wNewSoundID] + and a ; is the new sound ID 0? + jr z, .done ; if so, do nothing xor a - ld [wc0ee], a - ld a, [wcfca] - cp $ff - jr nz, .asm_2414 + ld [wNewSoundID], a + ld a, [wLastMusicSoundID] + cp $ff ; has the music been stopped? + jr nz, .fadeOut ; if not, fade out the current music +; If it has been stopped, start playing the new music immediately. xor a - ld [wMusicHeaderPointer], a -.asm_23e3 + ld [wAudioFadeOutControl], a +.noFadeOut xor a - ld [wc0ee], a + ld [wNewSoundID], a ld a, [H_LOADEDROMBANK] - ld [$ffb9], a - ld a, [wc0ef] + ld [hSavedROMBank], a + ld a, [wAudioROMBank] ld [H_LOADEDROMBANK], a ld [MBC1RomBank], a - cp BANK(Audio1_9876) + cp BANK(Audio1_PlaySound) jr nz, .checkForAudio2 -.audio1 + +; audio 1 ld a, b - call Audio1_9876 - jr .asm_240b + call Audio1_PlaySound + jr .next2 + .checkForAudio2 - cp BANK(Audio2_22035) + cp BANK(Audio2_PlaySound) jr nz, .audio3 -.audio2 + +; audio 2 ld a, b - call Audio2_22035 - jr .asm_240b + call Audio2_PlaySound + jr .next2 + .audio3 ld a, b - call Audio3_7d8ea -.asm_240b - ld a, [$ffb9] + call Audio3_PlaySound + +.next2 + ld a, [hSavedROMBank] ld [H_LOADEDROMBANK], a ld [MBC1RomBank], a - jr .asm_2425 -.asm_2414 + jr .done + +.fadeOut ld a, b - ld [wcfca], a - ld a, [wMusicHeaderPointer] - ld [wcfc8], a - ld [wcfc9], a + ld [wLastMusicSoundID], a + ld a, [wAudioFadeOutControl] + ld [wAudioFadeOutCounterReloadValue], a + ld [wAudioFadeOutCounter], a ld a, b - ld [wMusicHeaderPointer], a -.asm_2425 + ld [wAudioFadeOutControl], a + +.done pop bc pop de pop hl diff --git a/home/init.asm b/home/init.asm index 624a4d6a..cb5c6583 100644 --- a/home/init.asm +++ b/home/init.asm @@ -98,8 +98,8 @@ rLCDC_DEFAULT EQU %11100011 predef LoadSGB ld a, BANK(SFX_Shooting_Star) - ld [wc0ef], a - ld [wc0f0], a + ld [wAudioROMBank], a + ld [wAudioSavedROMBank], a ld a, $9c ld [H_AUTOBGTRANSFERDEST + 1], a xor a @@ -127,11 +127,11 @@ ClearVram: StopAllSounds:: ld a, BANK(Audio1_UpdateMusic) - ld [wc0ef], a - ld [wc0f0], a + ld [wAudioROMBank], a + ld [wAudioSavedROMBank], a xor a - ld [wMusicHeaderPointer], a - ld [wc0ee], a - ld [wcfca], a + ld [wAudioFadeOutControl], a + ld [wNewSoundID], a + ld [wLastMusicSoundID], a dec a jp PlaySound diff --git a/home/overworld.asm b/home/overworld.asm index f8d6e7e1..eba47df2 100644 --- a/home/overworld.asm +++ b/home/overworld.asm @@ -658,7 +658,7 @@ CheckMapConnections:: ; 07ba (0:07ba) ld [wCurrentTileBlockMapViewPointer + 1],a .loadNewMap ; load the connected map that was entered call LoadMapHeader - call Func_2312 ; music + call PlayDefaultMusicFadeOutCurrent ld b,$09 call GoPAL_SET ; Since the sprite set shouldn't change, this will just update VRAM slots at @@ -750,16 +750,16 @@ HandleBlackOut:: ld [MBC1RomBank], a call ResetStatusAndHalveMoneyOnBlackout call SpecialWarpIn - call Func_2312 + call PlayDefaultMusicFadeOutCurrent jp SpecialEnterMap StopMusic:: - ld [wMusicHeaderPointer], a + ld [wAudioFadeOutControl], a ld a, $ff - ld [wc0ee], a + ld [wNewSoundID], a call PlaySound .wait - ld a, [wMusicHeaderPointer] + ld a, [wAudioFadeOutControl] and a jr nz, .wait jp StopAllSounds @@ -1224,7 +1224,7 @@ CollisionCheckOnLand:: ; 0bd1 (0:0bd1) call CheckTilePassable jr nc,.noCollision .collision - ld a,[wc02a] + ld a,[wChannelSoundIDs + CH4] cp a,SFX_COLLISION ; check if collision sound is already playing jr z,.setCarry ld a,SFX_COLLISION @@ -1927,7 +1927,7 @@ CollisionCheckOnWater:: ; 0fb7 (0:0fb7) jr z,.stopSurfing ; stop surfing if the tile is passable jr .loop .collision - ld a,[wc02a] + ld a,[wChannelSoundIDs + CH4] cp a,SFX_COLLISION ; check if collision sound is already playing jr z,.setCarry ld a,SFX_COLLISION @@ -2279,9 +2279,9 @@ LoadMapHeader:: ; 107c (0:107c) add hl,bc add hl,bc ld a,[hli] - ld [wd35b],a ; music 1 + ld [wMapMusicSoundID],a ; music 1 ld a,[hl] - ld [wd35c],a ; music 2 + ld [wMapMusicROMBank],a ; music 2 pop af ld [H_LOADEDROMBANK],a ld [MBC1RomBank],a @@ -2352,8 +2352,8 @@ LoadMapData:: ; 1241 (0:1241) ld a,[W_FLAGS_D733] bit 1,a jr nz,.restoreRomBank - call Func_235f ; music related - call Func_2312 ; music related + call UpdateMusic6Times + call PlayDefaultMusicFadeOutCurrent .restoreRomBank pop af ld [H_LOADEDROMBANK],a diff --git a/home/vblank.asm b/home/vblank.asm index 6abc3756..3bdbe7cb 100644 --- a/home/vblank.asm +++ b/home/vblank.asm @@ -38,21 +38,21 @@ VBlank:: ld a, [H_VBLANKOCCURRED] and a - jr z, .vblanked + jr z, .skipZeroing xor a ld [H_VBLANKOCCURRED], a -.vblanked +.skipZeroing ld a, [H_FRAMECOUNTER] and a - jr z, .decced + jr z, .skipDec dec a ld [H_FRAMECOUNTER], a -.decced - call Func_28cb +.skipDec + call FadeOutAudio - ld a, [wc0ef] ; music ROM bank + ld a, [wAudioROMBank] ; music ROM bank ld [H_LOADEDROMBANK], a ld [MBC1RomBank], a |