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DSPHLE: Attempt at type 0x21 emulation. Enough for zelda ww intro music to play in a strange choppy way, not enough for it to stop hanging :p

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3767 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-07-12 19:34:59 +00:00
parent a71b0d455f
commit fe76193641
4 changed files with 124 additions and 128 deletions
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15
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
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@ -70,9 +70,9 @@ union ZeldaVoicePB
u16 Unk2F; // 0x2F | unknown
u16 CurSampleFrac; // 0x30 | Fractional part of the current sample position
u16 Unk31; // 0x31 | unknown / unused
u16 CurBlock; // 0x32 | current block?
u16 CurBlock; // 0x32 | current block? used by zelda's AFC decoder. we don't need it.
u16 FixedSample; // 0x33 | sample value for "blank" voices
u32 RestartPos; // 0x34 | restart pos
u32 RestartPos; // 0x34 | restart pos / "loop start offset"
u16 Unk36[2]; // 0x36 | unknown // loaded at 0adc/ZWW in 0x21 decoder
u32 CurAddr; // 0x38 | current address
u32 RemLength; // 0x3A | remaining length
@ -96,8 +96,8 @@ union ZeldaVoicePB
// Read-only part
u16 Format; // 0x80 | audio format
u16 RepeatMode; // 0x81 | 0 = one-shot, non zero = loop
u16 Unk82; // 0x82 | unknown
u16 Unk83; // 0x83 | unknown
u16 LoopYN1; // 0x82 | YN1 reload (when AFC loops)
u16 LoopYN2; // 0x83 | YN2 reload (when AFC loops)
u16 Unk84; // 0x84 | IIR Filter # coefs?
u16 StopOnSilence; // 0x85 | Stop on silence? (Flag for something volume related. Decides the weird stuff at 035a/ZWW, alco 0cd3)
u16 Unk86; // 0x86 | unknown
@ -112,7 +112,7 @@ union ZeldaVoicePB
u16 Padding3[0x7]; // 0xa9 | padding
u16 Padding4[0x10]; // 0xb0 | padding
};
u16 raw[0xc0];
u16 raw[0xc0]; // WARNING-do not use on parts of the 32-bit values - they are swapped!
};
namespace {
@ -227,6 +227,8 @@ private:
void ExecuteList();
u8 *GetARAMPointer(u32 address);
// AFC decoder
static void AFCdecodebuffer(const s16 *coef, const char *input, signed short *out, short *histp, short *hist2p, int type);
@ -237,9 +239,10 @@ private:
void RenderSynth_Constant(ZeldaVoicePB &PB, s32* _Buffer, int _Size);
void RenderSynth_RectWave(ZeldaVoicePB &PB, s32* _Buffer, int _Size);
void RenderSynth_SawWave(ZeldaVoicePB &PB, s32* _Buffer, int _Size);
void RenderVoice_PCM16(ZeldaVoicePB& PB, s16* _Buffer, int _Size);
void RenderVoice_AFC(ZeldaVoicePB& PB, s16* _Buffer, int _Size);
void RenderVoice_Raw(ZeldaVoicePB& PB, s32* _Buffer, int _Size);
void RenderVoice_Raw(ZeldaVoicePB& PB, s16* _Buffer, int _Size);
void Resample(ZeldaVoicePB &PB, int size, s16 *in, s32 *out, bool do_resample = false);