158 lines
3.3 KiB
C++
158 lines
3.3 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _UCODE_ZELDA_H
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#define _UCODE_ZELDA_H
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#include "Common.h"
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#include "UCodes.h"
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struct ZPB
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{
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// R/W data =============
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// AFC history (2 shorts) must be in here somewhere, plus lots of other state.
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u16 unk0;
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u16 unk1;
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u16 unk2;
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u16 unk3;
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u16 unk4;
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u16 unk5;
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u16 unk6;
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u16 unk7[0x2C]; // 0x033
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u16 SampleData[0x4D];
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// Read only data(0x80 to the end)
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u16 type; // 0x5, 0x9 = AFC.
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u16 r_unknown1;
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u16 r_unknown2[0x14 / 2];
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// Not sure what addresses this is, hopefully to sample data in ARAM.
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// These are the only things in the param blocks that look a lot like pointers.
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u16 addr_high; // at 0x18 = 0xC * 2
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u16 addr_low;
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u16 r_unknown3[(0x80 - 0x1C) / 2];
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};
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namespace {
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// If this miscompiles, adjust the size of ZPB to 0x180 bytes (0xc0 shorts).
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CompileTimeAssert<sizeof(ZPB) == 0x180> ensure_zpb_size_correct;
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} // namespace
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class CUCode_Zelda : public IUCode
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{
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private:
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enum EDSP_Codes
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{
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DSP_INIT = 0xDCD10000,
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DSP_RESUME = 0xDCD10001,
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DSP_YIELD = 0xDCD10002,
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DSP_DONE = 0xDCD10003,
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DSP_SYNC = 0xDCD10004,
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DSP_FRAME_END = 0xDCD10005,
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};
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// AFC CoefTable
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short m_AFCCoefTable[16][2];
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// Command 0x2: SyncFrame
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int m_NumberOfFramesToRender;
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int m_CurrentFrameToRender;
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// List in progress
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u32 m_numSteps;
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u32 m_step;
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u8 m_Buffer[1024];
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void ExecuteList();
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u32 m_readOffset;
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enum EMailState
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{
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WaitForMail,
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ReadingFrameSync,
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ReadingMessage,
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ReadingSystemMsg
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};
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EMailState m_MailState;
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u16 m_PBMask[0x10];
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u32 m_NumPBs;
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u32 m_PBAddress;
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u32 m_MaxSyncedPB;
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ZPB m_PBs[0x40];
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u8 Read8()
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{
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return m_Buffer[m_readOffset++];
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}
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u16 Read16()
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{
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u16 res = *(u16*)&m_Buffer[m_readOffset];
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m_readOffset += 2;
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return res;
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}
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u32 Read32()
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{
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u32 res = *(u32*)&m_Buffer[m_readOffset];
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m_readOffset += 4;
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return res;
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}
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public:
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CUCode_Zelda(CMailHandler& _rMailHandler);
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virtual ~CUCode_Zelda();
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void HandleMail(u32 _uMail);
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void Update(int cycles);
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void MixAdd(short* buffer, int size);
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void UpdatePB(ZPB& _rPB, int *templbuffer, int *temprbuffer, u32 _Size);
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void CopyPBsFromRAM();
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void CopyPBsToRAM();
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void DoState(PointerWrap &p);
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int AFCdecodebuffer(char *input, signed short *out, short * histp, short * hist2p, int type = 9);
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int *templbuffer;
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int *temprbuffer;
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// simple dump ...
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void DumpPB(const ZPB& _rPB);
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int DumpAFC(u8* pIn, const int size, const int srate);
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};
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#endif
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