dolphin/Source/Plugins/Plugin_DSP_HLE/Src/DSPHandler.cpp

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