dolphin/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_AXWii.cpp

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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/
#include "StringUtil.h"
#include "../MailHandler.h"
#include "Mixer.h"
#include "../DSPHandler.h"
#include "UCodes.h"
#include "UCode_AXStructs.h"
#include "UCode_AX.h" // for some functions in CUCode_AX
#include "UCode_AXWii.h"
#include "UCode_AX_Voice.h"
CUCode_AXWii::CUCode_AXWii(CMailHandler& _rMailHandler, u32 l_CRC)
: IUCode(_rMailHandler)
, m_addressPBs(0xFFFFFFFF)
, _CRC(l_CRC)
{
// we got loaded
m_rMailHandler.PushMail(DSP_INIT);
templbuffer = new int[1024 * 1024];
temprbuffer = new int[1024 * 1024];
wiisportsHack = _CRC == 0xfa450138;
}
CUCode_AXWii::~CUCode_AXWii()
{
m_rMailHandler.Clear();
delete [] templbuffer;
delete [] temprbuffer;
}
void CUCode_AXWii::HandleMail(u32 _uMail)
{
if (m_UploadSetupInProgress)
{
PrepareBootUCode(_uMail);
return;
}
else if ((_uMail & 0xFFFF0000) == MAIL_AX_ALIST)
{
// We are expected to get a new CmdBlock
DEBUG_LOG(DSPHLE, "GetNextCmdBlock (%ibytes)", (u16)_uMail);
}
else switch(_uMail)
{
case 0xCDD10000: // Action 0 - AX_ResumeTask()
m_rMailHandler.PushMail(DSP_RESUME);
break;
case 0xCDD10001: // Action 1 - new ucode upload
DEBUG_LOG(DSPHLE,"DSP IROM - New Ucode!");
// TODO find a better way to protect from HLEMixer?
soundStream->GetMixer()->SetHLEReady(false);
m_UploadSetupInProgress = true;
break;
case 0xCDD10002: // Action 2 - IROM_Reset(); ( WII: De Blob, Cursed Mountain,...)
DEBUG_LOG(DSPHLE,"DSP IROM - Reset!");
CDSPHandler::GetInstance().SetUCode(UCODE_ROM);
return;
case 0xCDD10003: // Action 3 - AX_GetNextCmdBlock()
break;
default:
DEBUG_LOG(DSPHLE, " >>>> u32 MAIL : AXTask Mail (%08x)", _uMail);
AXTask(_uMail);
break;
}
}
void CUCode_AXWii::MixAdd(short* _pBuffer, int _iSize)
{
AXPBWii PB;
if (_iSize > 1024 * 1024)
_iSize = 1024 * 1024;
memset(templbuffer, 0, _iSize * sizeof(int));
memset(temprbuffer, 0, _iSize * sizeof(int));
u32 blockAddr = m_addressPBs;
if (!blockAddr)
return;
for (int i = 0; i < NUMBER_OF_PBS; i++)
{
if (!ReadPB(blockAddr, PB))
break;
if (wiisportsHack)
MixAddVoice(*(AXPBWiiSports*)&PB, templbuffer, temprbuffer, _iSize);
else
MixAddVoice(PB, templbuffer, temprbuffer, _iSize);
if (!WritePB(blockAddr, PB))
break;
// next PB, or done
blockAddr = (PB.next_pb_hi << 16) | PB.next_pb_lo;
if (!blockAddr)
break;
}
// We write the sound to _pBuffer
if (_pBuffer)
{
for (int i = 0; i < _iSize; i++)
{
// Clamp into 16-bit. Maybe we should add a volume compressor here.
int left = templbuffer[i] + _pBuffer[0];
int right = temprbuffer[i] + _pBuffer[1];
if (left < -32767) left = -32767;
else if (left > 32767) left = 32767;
if (right < -32767) right = -32767;
else if (right > 32767) right = 32767;
*_pBuffer++ = left;
*_pBuffer++ = right;
}
}
}
void CUCode_AXWii::Update(int cycles)
{
if (NeedsResumeMail())
{
m_rMailHandler.PushMail(DSP_RESUME);
g_dspInitialize.pGenerateDSPInterrupt();
}
// check if we have to send something
else if (!m_rMailHandler.IsEmpty())
{
g_dspInitialize.pGenerateDSPInterrupt();
}
}
// AX seems to bootup one task only and waits for resume-callbacks
// everytime the DSP has "spare time" it sends a resume-mail to the CPU
// and the __DSPHandler calls a AX-Callback which generates a new AXFrame
bool CUCode_AXWii::AXTask(u32& _uMail)
{
u32 uAddress = _uMail;
u32 Addr__AXStudio;
u32 Addr__AXOutSBuffer;
bool bExecuteList = true;
/*
for (int i=0;i<64;i++) {
NOTICE_LOG(DSPHLE,"%x - %08x",uAddress+(i*4),Memory_Read_U32(uAddress+(i*4)));
}
*/
while (bExecuteList)
{
u16 iCommand = Memory_Read_U16(uAddress);
uAddress += 2;
//NOTICE_LOG(DSPHLE,"AXWII - AXLIST CMD %X",iCommand);
switch (iCommand)
{
case 0x0000:
Addr__AXStudio = Memory_Read_U32(uAddress);
uAddress += 4;
break;
case 0x0001:
uAddress += 4;
break;
case 0x0003:
uAddress += 4;
break;
case 0x0004:
// PBs are here now
m_addressPBs = Memory_Read_U32(uAddress);
soundStream->GetMixer()->SetHLEReady(true);
// soundStream->Update();
uAddress += 4;
break;
case 0x0005:
if (!wiisportsHack)
uAddress += 10;
break;
case 0x0006:
uAddress += 10;
break;
case 0x0007: // AXLIST_SBUFFER
Addr__AXOutSBuffer = Memory_Read_U32(uAddress);
uAddress += 10;
break;
case 0x0008:
uAddress += 26;
break;
case 0x000a:
uAddress += wiisportsHack ? 4 : 8; // AXLIST_COMPRESSORTABLE
break;
case 0x000b:
uAddress += wiisportsHack ? 2 : 10;
break;
case 0x000c:
uAddress += wiisportsHack ? 8 : 10;
break;
case 0x000d:
uAddress += 16;
break;
case 0x000e:
if (wiisportsHack)
uAddress += 16;
else
bExecuteList = false;
break;
case 0x000f: // only for Wii Sports uCode
bExecuteList = false;
break;
default:
INFO_LOG(DSPHLE,"DSPHLE - AXwii - AXLIST - Unknown CMD: %x",iCommand);
// unknown command so stop the execution of this TaskList
bExecuteList = false;
break;
}
}
m_rMailHandler.PushMail(DSP_YIELD); //its here in case there is a CMD fuckup
return true;
}