diff options
Diffstat (limited to 'src/m4a_4.c')
| -rw-r--r-- | src/m4a_4.c | 545 |
1 files changed, 545 insertions, 0 deletions
diff --git a/src/m4a_4.c b/src/m4a_4.c new file mode 100644 index 000000000..9c7655187 --- /dev/null +++ b/src/m4a_4.c @@ -0,0 +1,545 @@ +#include "gba/m4a_internal.h" + +void m4aMPlayTempoControl(struct MusicPlayerInfo *mplayInfo, u16 tempo) +{ + if (mplayInfo->ident == ID_NUMBER) + { + mplayInfo->ident++; + mplayInfo->tempoU = tempo; + mplayInfo->tempoI = (mplayInfo->tempoD * mplayInfo->tempoU) >> 8; + mplayInfo->ident = ID_NUMBER; + } +} + +void m4aMPlayVolumeControl(struct MusicPlayerInfo *mplayInfo, u16 trackBits, u16 volume) +{ + s32 i; + u32 bit; + struct MusicPlayerTrack *track; + + if (mplayInfo->ident != ID_NUMBER) + return; + + mplayInfo->ident++; + + i = mplayInfo->trackCount; + track = mplayInfo->tracks; + bit = 1; + + while (i > 0) + { + if (trackBits & bit) + { + if (track->flags & MPT_FLG_EXIST) + { + track->volX = volume / 4; + track->flags |= MPT_FLG_VOLCHG; + } + } + + i--; + track++; + bit <<= 1; + } + + mplayInfo->ident = ID_NUMBER; +} + +void m4aMPlayPitchControl(struct MusicPlayerInfo *mplayInfo, u16 trackBits, u16 pitch) +{ + s32 i; + u32 bit; + struct MusicPlayerTrack *track; + + if (mplayInfo->ident != ID_NUMBER) + return; + + mplayInfo->ident++; + + i = mplayInfo->trackCount; + track = mplayInfo->tracks; + bit = 1; + + while (i > 0) + { + if (trackBits & bit) + { + if (track->flags & MPT_FLG_EXIST) + { + track->keyShiftX = (s16)pitch >> 8; + track->pitX = pitch; + track->flags |= MPT_FLG_PITCHG; + } + } + + i--; + track++; + bit <<= 1; + } + + mplayInfo->ident = ID_NUMBER; +} + +void m4aMPlayPanpotControl(struct MusicPlayerInfo *mplayInfo, u16 trackBits, s8 pan) +{ + s32 i; + u32 bit; + struct MusicPlayerTrack *track; + + if (mplayInfo->ident != ID_NUMBER) + return; + + mplayInfo->ident++; + + i = mplayInfo->trackCount; + track = mplayInfo->tracks; + bit = 1; + + while (i > 0) + { + if (trackBits & bit) + { + if (track->flags & MPT_FLG_EXIST) + { + track->panX = pan; + track->flags |= MPT_FLG_VOLCHG; + } + } + + i--; + track++; + bit <<= 1; + } + + mplayInfo->ident = ID_NUMBER; +} + +void ClearModM(struct MusicPlayerTrack *track) +{ + track->lfoSpeedC = 0; + track->modM = 0; + + if (track->modT == 0) + track->flags |= MPT_FLG_PITCHG; + else + track->flags |= MPT_FLG_VOLCHG; +} + +void m4aMPlayModDepthSet(struct MusicPlayerInfo *mplayInfo, u16 trackBits, u8 modDepth) +{ + s32 i; + u32 bit; + struct MusicPlayerTrack *track; + + if (mplayInfo->ident != ID_NUMBER) + return; + + mplayInfo->ident++; + + i = mplayInfo->trackCount; + track = mplayInfo->tracks; + bit = 1; + + while (i > 0) + { + if (trackBits & bit) + { + if (track->flags & MPT_FLG_EXIST) + { + track->mod = modDepth; + + if (!track->mod) + ClearModM(track); + } + } + + i--; + track++; + bit <<= 1; + } + + mplayInfo->ident = ID_NUMBER; +} + +void m4aMPlayLFOSpeedSet(struct MusicPlayerInfo *mplayInfo, u16 trackBits, u8 lfoSpeed) +{ + s32 i; + u32 bit; + struct MusicPlayerTrack *track; + + if (mplayInfo->ident != ID_NUMBER) + return; + + mplayInfo->ident++; + + i = mplayInfo->trackCount; + track = mplayInfo->tracks; + bit = 1; + + while (i > 0) + { + if (trackBits & bit) + { + if (track->flags & MPT_FLG_EXIST) + { + track->lfoSpeed = lfoSpeed; + + if (!track->lfoSpeed) + ClearModM(track); + } + } + + i--; + track++; + bit <<= 1; + } + + mplayInfo->ident = ID_NUMBER; +} + +#define MEMACC_COND_JUMP(cond) \ +if (cond) \ + goto cond_true; \ +else \ + goto cond_false; \ + +void ply_memacc(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + u32 op; + u8 *addr; + u8 data; + + op = *track->cmdPtr; + track->cmdPtr++; + + addr = mplayInfo->memAccArea + *track->cmdPtr; + track->cmdPtr++; + + data = *track->cmdPtr; + track->cmdPtr++; + + switch (op) + { + case 0: + *addr = data; + return; + case 1: + *addr += data; + return; + case 2: + *addr -= data; + return; + case 3: + *addr = mplayInfo->memAccArea[data]; + return; + case 4: + *addr += mplayInfo->memAccArea[data]; + return; + case 5: + *addr -= mplayInfo->memAccArea[data]; + return; + case 6: + MEMACC_COND_JUMP(*addr == data) + return; + case 7: + MEMACC_COND_JUMP(*addr != data) + return; + case 8: + MEMACC_COND_JUMP(*addr > data) + return; + case 9: + MEMACC_COND_JUMP(*addr >= data) + return; + case 10: + MEMACC_COND_JUMP(*addr <= data) + return; + case 11: + MEMACC_COND_JUMP(*addr < data) + return; + case 12: + MEMACC_COND_JUMP(*addr == mplayInfo->memAccArea[data]) + return; + case 13: + MEMACC_COND_JUMP(*addr != mplayInfo->memAccArea[data]) + return; + case 14: + MEMACC_COND_JUMP(*addr > mplayInfo->memAccArea[data]) + return; + case 15: + MEMACC_COND_JUMP(*addr >= mplayInfo->memAccArea[data]) + return; + case 16: + MEMACC_COND_JUMP(*addr <= mplayInfo->memAccArea[data]) + return; + case 17: + MEMACC_COND_JUMP(*addr < mplayInfo->memAccArea[data]) + return; + default: + return; + } + +cond_true: + { + void (*func)(struct MusicPlayerInfo *, struct MusicPlayerTrack *) = *(&gMPlayJumpTable[1]); + func(mplayInfo, track); + return; + } + +cond_false: + track->cmdPtr += 4; +} + +void ply_xcmd(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + u32 n = *track->cmdPtr; + track->cmdPtr++; + + gXcmdTable[n](mplayInfo, track); +} + +void ply_xxx(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + void (*func)(struct MusicPlayerInfo *, struct MusicPlayerTrack *) = *(&gMPlayJumpTable[0]); + func(mplayInfo, track); +} + +#define READ_XCMD_BYTE(var, n) \ +{ \ + u32 byte = track->cmdPtr[(n)]; \ + byte <<= n * 8; \ + (var) &= ~(0xFF << (n * 8)); \ + (var) |= byte; \ +} + +void ply_xwave(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + u32 wav; + + READ_XCMD_BYTE(wav, 0) // UB: uninitialized variable + READ_XCMD_BYTE(wav, 1) + READ_XCMD_BYTE(wav, 2) + READ_XCMD_BYTE(wav, 3) + + track->tone.wav = (struct WaveData *)wav; + track->cmdPtr += 4; +} + +void ply_xtype(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.type = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xatta(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.attack = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xdeca(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.decay = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xsust(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.sustain = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xrele(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.release = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xiecv(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->echoVolume = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xiecl(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->echoLength = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xleng(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.length = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xswee(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + track->tone.pan_sweep = *track->cmdPtr; + track->cmdPtr++; +} + +void ply_xcmd_0C(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + u32 unk; + + READ_XCMD_BYTE(unk, 0) // UB: uninitialized variable + READ_XCMD_BYTE(unk, 1) + + if (track->unk_3A < (u16)unk) + { + track->unk_3A++; + track->cmdPtr -= 2; + track->wai = 1; + } + else + { + track->unk_3A = 0; + track->cmdPtr += 2; + } +} + +void ply_xcmd_0D(struct MusicPlayerInfo *mplayInfo, struct MusicPlayerTrack *track) +{ + u32 unk; + + READ_XCMD_BYTE(unk, 0) // UB: uninitialized variable + READ_XCMD_BYTE(unk, 1) + READ_XCMD_BYTE(unk, 2) + READ_XCMD_BYTE(unk, 3) + + track->unk_3C = unk; + track->cmdPtr += 4; +} + +void DummyFunc(void) +{ +} + +struct MusicPlayerInfo *sub_81DF43C(u32 tone) +{ + u32 maxClock = 0; + s32 maxClockIndex = 0; + s32 i; + struct MusicPlayerInfo *mplayInfo; + + for (i = 0; i < MAX_POKEMON_CRIES; i++) + { + struct MusicPlayerTrack *track = &gPokemonCryTracks[i * 2]; + + if (!track->flags && (!track->chan || track->chan->track != track)) + goto start_song; + + if (maxClock < gPokemonCryMusicPlayers[i].clock) + { + maxClock = gPokemonCryMusicPlayers[i].clock; + maxClockIndex = i; + } + } + + i = maxClockIndex; + +start_song: + mplayInfo = &gPokemonCryMusicPlayers[i]; + mplayInfo->ident++; + +#define CRY ((s32)&gPokemonCrySongs + i * sizeof(struct PokemonCrySong)) +#define CRY_OFS(field) offsetof(struct PokemonCrySong, field) + + memcpy((void *)CRY, &gPokemonCrySong, sizeof(struct PokemonCrySong)); + + *(u32 *)(CRY + CRY_OFS(tone)) = tone; + *(u32 *)(CRY + CRY_OFS(part)) = CRY + CRY_OFS(part0); + *(u32 *)(CRY + CRY_OFS(part) + 4) = CRY + CRY_OFS(part1); + *(u32 *)(CRY + CRY_OFS(gotoTarget)) = CRY + CRY_OFS(cont); + +#undef CRY_OFS +#undef CRY + + mplayInfo->ident = ID_NUMBER; + + MPlayStart(mplayInfo, (struct SongHeader *)(&gPokemonCrySongs[i])); + + return mplayInfo; +} + +void sub_81DF50C(u8 val) +{ + gPokemonCrySong.volumeValue = val & 0x7F; +} + +void sub_81DF520(s8 val) +{ + gPokemonCrySong.panValue = (val + C_V) & 0x7F; +} + +void sub_81DF538(s16 val) +{ + s16 b = val + 0x80; + u8 a = gPokemonCrySong.tuneValue2 - gPokemonCrySong.tuneValue; + gPokemonCrySong.tieKeyValue = (b >> 8) & 0x7F; + gPokemonCrySong.tuneValue = (b >> 1) & 0x7F; + gPokemonCrySong.tuneValue2 = (a + ((b >> 1) & 0x7F)) & 0x7F; +} + +void sub_81DF570(u16 val) +{ + gPokemonCrySong.unkCmd0CParam = val; +} + +void sub_81DF57C(u8 val) +{ + gPokemonCrySong.releaseValue = val; +} + +void sub_81DF588(u32 val) +{ + gPokemonCrySong.unkCmd0DParam = val; +} + +int sub_81DF594(struct MusicPlayerInfo *mplayInfo) +{ + struct MusicPlayerTrack *track = mplayInfo->tracks; + + if (track->chan && track->chan->track == track) + return 1; + else + return 0; +} + +void sub_81DF5AC(s8 val) +{ + if (val) + { + gPokemonCrySong.trackCount = 2; + gPokemonCrySong.tuneValue2 = (val + gPokemonCrySong.tuneValue) & 0x7F; + } + else + { + gPokemonCrySong.trackCount = 1; + } +} + +void sub_81DF5D8(u32 val) +{ + struct SoundInfo *soundInfo = SOUND_INFO_PTR; + + if (val) + { + REG_SOUNDCNT_H = SOUND_B_TIMER_0 | SOUND_B_LEFT_OUTPUT + | SOUND_A_TIMER_0 | SOUND_A_RIGHT_OUTPUT + | SOUND_ALL_MIX_FULL; + soundInfo->mode &= ~1; + } + else + { + REG_SOUNDCNT_H = SOUND_B_TIMER_0 | SOUND_B_LEFT_OUTPUT | SOUND_B_RIGHT_OUTPUT + | SOUND_A_TIMER_0 | SOUND_A_LEFT_OUTPUT | SOUND_A_RIGHT_OUTPUT + | SOUND_B_MIX_HALF | SOUND_A_MIX_HALF | SOUND_CGB_MIX_FULL; + soundInfo->mode |= 1; + } +} + +void sub_81DF618(u8 val) +{ + gPokemonCrySong.priority = val; +} |