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