dolphin/Source/Plugins/Plugin_DSP_NULL/Src/DSPHandler.h

108 lines
2.4 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 _DSPHANDLER_H
#define _DSPHANDLER_H
#include "Common.h"
#include "MailHandler.h"
#include "UCodes/UCodes.h"
// CDSPHandler
class CDSPHandler
{
public:
void Update();
unsigned short WriteControlRegister(unsigned short _Value);
unsigned short ReadControlRegister();
void SendMailToDSP(u32 _uMail);
IUCode* GetUCode();
void SetUCode(u32 _crc);
CMailHandler& AccessMailHandler() {return(m_MailHandler);}
static CDSPHandler& GetInstance()
{
return(*m_pInstance);
}
static void Destroy()
{
SAFE_DELETE(m_pInstance);
}
static CDSPHandler& CreateInstance()
{
if (m_pInstance == NULL)
{
m_pInstance = new CDSPHandler();
}
return(*m_pInstance);
}
private:
CDSPHandler();
~CDSPHandler();
// UDSPControl
union UDSPControl
{
u16 Hex;
struct
{
unsigned DSPReset : 1; // Write 1 to reset and waits for 0
unsigned DSPAssertInt : 1;
unsigned DSPHalt : 1;
unsigned AI : 1;
unsigned AI_mask : 1;
unsigned ARAM : 1;
unsigned ARAM_mask : 1;
unsigned DSP : 1;
unsigned DSP_mask : 1;
unsigned ARAM_DMAState : 1; // DSPGetDMAStatus() uses this flag
unsigned DSPInitCode : 1;
unsigned DSPInit : 1; // DSPInit() writes to this flag
unsigned pad : 4;
};
UDSPControl(u16 _Hex = 0)
: Hex(_Hex)
{}
};
// singleton instance
static CDSPHandler* m_pInstance;
IUCode* m_pUCode;
UDSPControl m_DSPControl;
CMailHandler m_MailHandler;
bool m_bHalt;
bool m_bAssertInt;
};
#endif