dolphin/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h

143 lines
3.2 KiB
C++

// Copyright (C) 2003-2008 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _UCODE_ZELDA_H
#define _UCODE_ZELDA_H
#include "Common.h"
#include "UCodes.h"
struct ZPB
{
// R/W data =============
// AFC history (2 shorts) must be in here somewhere, plus lots of other state.
u16 unk0;
u16 unk1;
u16 unk2;
u16 unk3;
u16 unk4;
u16 unk5;
u16 unk6;
u16 unk7[0x2C]; // 0x033
u16 SampleData[0x4D]; // 0x4D = 9 * 8
// From here, "read only" data (0x80 to the end)
// 0x88, 0x89 could be volume
u16 type; // 0x5, 0x9 = AFC. There are more types but we've only seen AFC so far.
u16 r_unknown1;
u16 r_unknown2[0x14 / 2];
// Pointer to sample data in ARAM.
// These are the only things in the param blocks that look a lot like pointers.
u16 addr_high; // at 0x18 = 0xC * 2
u16 addr_low;
u16 r_unknown3[(0x80 - 0x1C) / 2];
};
namespace {
// If this miscompiles, adjust the size of ZPB to 0x180 bytes (0xc0 shorts).
CompileTimeAssert<sizeof(ZPB) == 0x180> ensure_zpb_size_correct;
} // namespace
class CUCode_Zelda : public IUCode
{
public:
CUCode_Zelda(CMailHandler& _rMailHandler);
virtual ~CUCode_Zelda();
void HandleMail(u32 _uMail);
void Update(int cycles);
void MixAdd(short* buffer, int size);
void UpdatePB(ZPB& _rPB, int *templbuffer, int *temprbuffer, u32 _Size);
void CopyPBsFromRAM();
void CopyPBsToRAM();
void DoState(PointerWrap &p);
int *templbuffer;
int *temprbuffer;
// simple dump ...
void DumpPB(const ZPB& _rPB);
int DumpAFC(u8* pIn, const int size, const int srate);
private:
enum EDSP_Codes
{
DSP_INIT = 0xDCD10000,
DSP_RESUME = 0xDCD10001,
DSP_YIELD = 0xDCD10002,
DSP_DONE = 0xDCD10003,
DSP_SYNC = 0xDCD10004,
DSP_FRAME_END = 0xDCD10005,
};
// AFC CoefTable
s16 m_AFCCoefTable[32];
// Command 0x2: SyncFrame
int m_NumberOfFramesToRender;
int m_CurrentFrameToRender;
// List in progress
u32 m_numSteps;
u32 m_step;
u8 m_Buffer[1024];
void ExecuteList();
u32 m_readOffset;
enum EMailState
{
WaitForMail,
ReadingFrameSync,
ReadingMessage,
ReadingSystemMsg
};
EMailState m_MailState;
u16 m_PBMask[0x10];
u32 m_NumPBs;
u32 m_PBAddress; // The main param block array
u32 m_PBAddress2; // 4 smaller param blocks
u32 m_MixingBufferLeft;
u32 m_MixingBufferRight;
u32 m_MaxSyncedPB;
ZPB m_PBs[0x40];
u32 Read32()
{
u32 res = *(u32*)&m_Buffer[m_readOffset];
m_readOffset += 4;
return res;
}
};
#endif