dolphin/Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.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/
// Games that uses this UCode:
// Zelda: The Windwaker, Mario Sunshine, Mario Kart
#include "../Globals.h"
#include "UCodes.h"
#include "UCode_Zelda.h"
#include "../MailHandler.h"
CUCode_Zelda::CUCode_Zelda(CMailHandler& _rMailHandler)
: IUCode(_rMailHandler)
, m_numSteps(0)
, m_bListInProgress(false)
, m_step(0)
, m_readOffset(0)
{
DebugLog("UCode_Zelda - add boot mails for handshake");
m_rMailHandler.PushMail(DSP_INIT);
m_rMailHandler.PushMail(0x80000000); // handshake
memset(m_Buffer, 0, sizeof(m_Buffer));
}
CUCode_Zelda::~CUCode_Zelda()
{
m_rMailHandler.Clear();
}
void CUCode_Zelda::Update()
{
// check if we have to sent something
if (!m_rMailHandler.IsEmpty())
g_dspInitialize.pGenerateDSPInterrupt();
}
void CUCode_Zelda::HandleMail(u32 _uMail)
{
if (m_bListInProgress == false)
{
m_bListInProgress = true;
m_numSteps = _uMail;
m_step = 0;
}
else
{
if (m_step < 0 || m_step >= sizeof(m_Buffer)/4)
PanicAlert("m_step out of range");
((u32*)m_Buffer)[m_step] = _uMail;
m_step++;
if (m_step == m_numSteps)
{
ExecuteList();
m_bListInProgress = false;
}
}
}
void CUCode_Zelda::ExecuteList()
{
// begin with the list
m_readOffset = 0;
u32 Temp = Read32();
u32 Command = (Temp >> 24) & 0x7f;
u32 Sync = Temp >> 16;
DebugLog("==============================================================================");
DebugLog("Zelda UCode - execute dlist (cmd: 0x%04x : sync: 0x%04x)", Command, Sync);
switch (Command)
{
// DsetupTable ... zelda ww jumps to 0x0095
case 0x01:
{
u32 tmp[4];
tmp[0] = Read32();
tmp[1] = Read32();
tmp[2] = Read32();
tmp[3] = Read32();
DebugLog("DsetupTable");
DebugLog("???: 0x%08x", tmp[0]);
DebugLog("DSPRES_FILTER (size: 0x40): 0x%08x", tmp[1]);
DebugLog("DSPADPCM_FILTER (size: 0x500): 0x%08x", tmp[2]);
DebugLog("???: 0x%08x", tmp[3]);
}
break;
// SyncFrame ... zelda ww jumps to 0x0243
case 0x02:
{
u32 tmp[3];
tmp[0] = Read32();
tmp[1] = Read32();
tmp[2] = Read32();
DebugLog("DsyncFrame");
DebugLog("???: 0x%08x", tmp[0]);
DebugLog("???: 0x%08x", tmp[1]);
DebugLog("DSPADPCM_FILTER (size: 0x500): 0x%08x", tmp[2]);
}
break;
/*
case 0x03: break; // dunno ... zelda ww jmps to 0x0073
case 0x04: break; // dunno ... zelda ww jmps to 0x0580
case 0x05: break; // dunno ... zelda ww jmps to 0x0592
case 0x06: break; // dunno ... zelda ww jmps to 0x0469
case 0x07: break; // dunno ... zelda ww jmps to 0x044d
case 0x08: break; // Mixer ... zelda ww jmps to 0x0485
case 0x09: break; // dunno ... zelda ww jmps to 0x044d
*/
// DsetDolbyDelay ... zelda ww jumps to 0x00b2
case 0x0d:
{
u32 tmp[2];
tmp[0] = Read32();
tmp[1] = Read32();
DebugLog("DSetDolbyDelay");
DebugLog("DOLBY2_DELAY_BUF (size 0x960): 0x%08x", tmp[0]);
DebugLog("DSPRES_FILTER (size 0x500): 0x%08x", tmp[1]);
}
break;
// Set VARAM
case 0x0e:
// MessageBox(NULL, "Zelda VARAM", "cmd", MB_OK);
break;
// default ... zelda ww jumps to 0x0043
default:
PanicAlert("Zelda UCode - unknown cmd: %x (size %i)", Command, m_numSteps);
break;
}
// sync, we are rdy
m_rMailHandler.PushMail(DSP_SYNC);
m_rMailHandler.PushMail(0xF3550000 | Sync);
}