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allow "swapping" of hle'd ucodes

Browse Source 
hle the gba ucode

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6046 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Shawn Hoffman
2010-08-04 11:44:06 +00:00
parent dc0a67b53a
commit 0a3c150f69
16 changed files with 809 additions and 415 deletions
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37
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.cpp
View File

@ -28,6 +28,8 @@
#include "Mixer.h"
#include "WaveFile.h"
#include "../DSPHandler.h"
CUCode_Zelda::CUCode_Zelda(CMailHandler& _rMailHandler, u32 _CRC)
:
@ -118,6 +120,12 @@ void CUCode_Zelda::Update(int cycles)
if (m_rMailHandler.GetNextMail() == DSP_FRAME_END)
g_dspInitialize.pGenerateDSPInterrupt();
}
if (NeedsResumeMail())
{
m_rMailHandler.PushMail(DSP_RESUME);
g_dspInitialize.pGenerateDSPInterrupt();
}
}
void CUCode_Zelda::HandleMail(u32 _uMail)
@ -284,6 +292,13 @@ void CUCode_Zelda::HandleMail_SMSVersion(u32 _uMail)
void CUCode_Zelda::HandleMail_NormalVersion(u32 _uMail)
{
// WARN_LOG(DSPHLE, "Zelda uCode: Handle mail %08X", _uMail);
if (m_UploadSetupInProgress) // evaluated first!
{
PrepareBootUCode(_uMail);
return;
}
if (m_bSyncInProgress)
{
if (m_bSyncCmdPending)
@ -381,23 +396,31 @@ void CUCode_Zelda::HandleMail_NormalVersion(u32 _uMail)
m_numSteps = _uMail;
m_step = 0;
}
else if ((_uMail >> 16) == 0xCDD1) // A 0xCDD1000X mail should come right after we send a DSP_SYNCEND mail
else if ((_uMail >> 16) == 0xCDD1) // A 0xCDD1000X mail should come right after we send a DSP_FRAME_END mail
{
// The low part of the mail tells the operation to perform
// Seeing as every possible operation number halts the uCode,
// except 3, that thing seems to be intended for debugging
switch (_uMail & 0xFFFF)
{
case 0x0003: // Do nothing
case 0x0003: // Do nothing - continue normally
return;
case 0x0000: // Halt
case 0x0001: // Dump memory? and halt
case 0x0002: // Do something and halt
case 0x0001: // accepts params to either dma to iram and/or dram (used for hotbooting a new ucode)
// TODO find a better way to protect from HLEMixer?
soundStream->GetMixer()->SetHLEReady(false);
m_UploadSetupInProgress = true;
return;
case 0x0002: // Let IROM play us off
CDSPHandler::GetInstance().SetUCode(UCODE_ROM);
return;
case 0x0000: // Halt
WARN_LOG(DSPHLE, "Zelda uCode: received halting operation %04X", _uMail & 0xFFFF);
return;
default: // Invalid (the real ucode would likely crash)
default: // Invalid (the real ucode would likely crash)
WARN_LOG(DSPHLE, "Zelda uCode: received invalid operation %04X", _uMail & 0xFFFF);
return;
}
@ -594,6 +617,8 @@ void CUCode_Zelda::DoState(PointerWrap &p)
p.Do(m_PBAddress);
p.Do(m_PBAddress2);
p.Do(m_UploadSetupInProgress);
m_rMailHandler.DoState(p);
m_csMix.Leave();