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

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// Copyright (C) 2003 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 _UCODES_H
#define _UCODES_H
#include "Common.h"
#include "ChunkFile.h"
#include "Thread.h"
#define UCODE_ROM 0x0000000
#define UCODE_INIT_AUDIO_SYSTEM 0x0000001
class CMailHandler;
class IUCode
{
public:
IUCode(CMailHandler& _rMailHandler)
: m_rMailHandler(_rMailHandler)
, m_UploadSetupInProgress(false)
, m_NextUCode()
, m_NextUCode_steps(0)
, m_NeedsResumeMail(false)
{}
virtual ~IUCode()
{}
virtual void HandleMail(u32 _uMail) = 0;
// Cycles are out of the 81/121mhz the DSP runs at.
virtual void Update(int cycles) = 0;
virtual void MixAdd(short* buffer, int size) {}
virtual void DoState(PointerWrap &p) {}
protected:
void PrepareBootUCode(u32 mail);
// Some ucodes (notably zelda) require a resume mail to be
// sent if they are be started via PrepareBootUCode.
// The HLE can use this to
bool NeedsResumeMail();
CMailHandler& m_rMailHandler;
Common::CriticalSection m_csMix;
enum EDSP_Codes
{
DSP_INIT = 0xDCD10000,
DSP_RESUME = 0xDCD10001,
DSP_YIELD = 0xDCD10002,
DSP_DONE = 0xDCD10003,
DSP_SYNC = 0xDCD10004,
DSP_FRAME_END = 0xDCD10005,
};
// UCode is forwarding mails to PrepareBootUCode
// UCode only needs to set this to true, IUCode will set to false when done!
bool m_UploadSetupInProgress;
private:
struct SUCode
{
u32 mram_dest_addr;
u16 mram_size;
u16 mram_dram_addr;
u32 iram_mram_addr;
u16 iram_size;
u16 iram_dest;
u16 iram_startpc;
u32 dram_mram_addr;
u16 dram_size;
u16 dram_dest;
};
SUCode m_NextUCode;
int m_NextUCode_steps;
bool m_NeedsResumeMail;
};
extern IUCode* UCodeFactory(u32 _CRC, CMailHandler& _rMailHandler);
#endif