diff options
Diffstat (limited to 'audio/engine.asm')
| -rw-r--r-- | audio/engine.asm | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/audio/engine.asm b/audio/engine.asm index 0c4ebcad3..f3a67e5f3 100644 --- a/audio/engine.asm +++ b/audio/engine.asm @@ -6,7 +6,7 @@ ; FadeMusic ; PlayStereoSFX -_SoundRestart:: ; e8000 +_MapSetup_Sound_Off:: ; e8000 ; restart sound operation ; clear all relevant hardware registers & wram push hl @@ -26,7 +26,7 @@ _SoundRestart:: ; e8000 .clearsound ; sound channel 1 2 3 4 xor a - ld [hli], a ; rNR10, $ff15, rNR30, $ff1f ; sweep = 0 + ld [hli], a ; rNR10, rNR20, rNR30, rNR40 ; sweep = 0 ld [hli], a ; rNR11, rNR21, rNR31, rNR41 ; length/wavepattern = 0 ld a, $08 @@ -63,7 +63,7 @@ MusicFadeRestart: ; e803d push af ld a, [MusicFadeIDLo] push af - call _SoundRestart + call _MapSetup_Sound_Off pop af ld [MusicFadeIDLo], a pop af @@ -345,7 +345,7 @@ UpdateChannels: ; e8125 ld a, [rNR52] and a, %10001101 ; ch2 off ld [rNR52], a - ld hl, $ff15 + ld hl, rNR20 call ClearChannel ret .asm_e8204 @@ -418,39 +418,39 @@ rept 4 endr ld de, WaveSamples add hl, de - ; load wavepattern into $ff30-$ff3f + ; load wavepattern into rWave_0-rWave_f ld a, [hli] - ld [$ff30], a + ld [rWave_0], a ld a, [hli] - ld [$ff31], a + ld [rWave_1], a ld a, [hli] - ld [$ff32], a + ld [rWave_2], a ld a, [hli] - ld [$ff33], a + ld [rWave_3], a ld a, [hli] - ld [$ff34], a + ld [rWave_4], a ld a, [hli] - ld [$ff35], a + ld [rWave_5], a ld a, [hli] - ld [$ff36], a + ld [rWave_6], a ld a, [hli] - ld [$ff37], a + ld [rWave_7], a ld a, [hli] - ld [$ff38], a + ld [rWave_8], a ld a, [hli] - ld [$ff39], a + ld [rWave_9], a ld a, [hli] - ld [$ff3a], a + ld [rWave_a], a ld a, [hli] - ld [$ff3b], a + ld [rWave_b], a ld a, [hli] - ld [$ff3c], a + ld [rWave_c], a ld a, [hli] - ld [$ff3d], a + ld [rWave_d], a ld a, [hli] - ld [$ff3e], a + ld [rWave_e], a ld a, [hli] - ld [$ff3f], a + ld [rWave_f], a pop hl ld a, [wc293] and a, $f0 @@ -475,7 +475,7 @@ endr ld a, [rNR52] and a, %10000111 ; ch4 off ld [rNR52], a - ld hl, $ff1f + ld hl, rNR40 call ClearChannel ret .asm_e82d4 @@ -613,6 +613,7 @@ FadeMusic: ; e8358 jr z, .novolume dec a jr .updatevolume + .novolume ; make sure volume is off xor a @@ -660,6 +661,7 @@ FadeMusic: ; e8358 ld hl, MusicFade set 7, [hl] ret + .fadein ; are we done? cp a, $07 @@ -3159,7 +3161,7 @@ ChannelPointers: ; e8fd9 ClearChannels:: ; e8fe9 ; runs ClearChannel for all 4 channels -; doesn't seem to be used, but functionally identical to SoundRestart +; doesn't seem to be used, but functionally identical to MapSetup_Sound_Off ld hl, rNR50 xor a rept 2 @@ -3177,12 +3179,12 @@ endr ; e8ffe ClearChannel: ; e8ffe -; input: hl = beginning hw sound register (rNR10, $ff15, rNR30, $ff1f) +; input: hl = beginning hw sound register (rNR10, rNR20, rNR30, rNR40) ; output: 00 00 80 00 80 ; sound channel 1 2 3 4 xor a - ld [hli], a ; rNR10, $ff15, rNR30, $ff1f ; sweep = 0 + ld [hli], a ; rNR10, rNR20, rNR30, rNR40 ; sweep = 0 ld [hli], a ; rNR11, rNR21, rNR31, rNR41 ; length/wavepattern = 0 ld a, $08 |