89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
// Copyright (C) 2003 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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#include "DSPHandler.h"
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CDSPHandler* CDSPHandler::m_pInstance = NULL;
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CDSPHandler::CDSPHandler()
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: m_pUCode(NULL),
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m_bHalt(false),
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m_bAssertInt(false)
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{
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SetUCode(UCODE_ROM);
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m_DSPControl.DSPHalt = 1;
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m_DSPControl.DSPInit = 1;
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}
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CDSPHandler::~CDSPHandler()
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{
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delete m_pUCode;
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m_pUCode = NULL;
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}
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void CDSPHandler::Update(int cycles)
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{
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if (m_pUCode != NULL)
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m_pUCode->Update(cycles);
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}
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unsigned short CDSPHandler::WriteControlRegister(unsigned short _Value)
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{
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UDSPControl Temp(_Value);
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if (Temp.DSPReset)
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{
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SetUCode(UCODE_ROM);
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Temp.DSPReset = 0;
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}
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if (Temp.DSPInit == 0)
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{
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// copy 128 byte from ARAM 0x000000 to IMEM
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SetUCode(UCODE_INIT_AUDIO_SYSTEM);
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Temp.DSPInitCode = 0;
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}
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m_DSPControl.Hex = Temp.Hex;
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return m_DSPControl.Hex;
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}
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unsigned short CDSPHandler::ReadControlRegister()
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{
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return m_DSPControl.Hex;
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}
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void CDSPHandler::SendMailToDSP(u32 _uMail)
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{
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if (m_pUCode != NULL) {
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DEBUG_LOG(DSP_MAIL, "CPU writes 0x%08x", _uMail);
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m_pUCode->HandleMail(_uMail);
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}
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}
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IUCode* CDSPHandler::GetUCode()
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{
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return m_pUCode;
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}
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void CDSPHandler::SetUCode(u32 _crc)
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{
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delete m_pUCode;
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m_pUCode = NULL;
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m_MailHandler.Clear();
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m_pUCode = UCodeFactory(_crc, m_MailHandler);
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}
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