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stop the preliminary zelda ucode from overreading from its own internal buffers.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3468 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-06-16 20:01:08 +00:00
parent 4ed15aedf5
commit 81f6d431dc
1 changed files with 13 additions and 11 deletions
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24
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.cpp
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@ -143,6 +143,7 @@ void CUCode_Zelda::HandleMail(u32 _uMail)
if (m_step >= m_numSteps)
{
DEBUG_LOG(DSPHLE, "Executing %i-step list.", m_numSteps);
ExecuteList();
m_bListInProgress = false;
}
@ -159,6 +160,11 @@ void CUCode_Zelda::HandleMail(u32 _uMail)
m_bListInProgress = true;
m_numSteps = _uMail;
m_step = 0;
// make sure we never read outside the buffer by mistake.
// Before deleting extra reads in ExecuteList, we were getting these
// values.
memset(m_Buffer, 0xcc, sizeof(m_Buffer));
}
else
{
@ -176,9 +182,11 @@ void CUCode_Zelda::ExecuteList()
// begin with the list
m_readOffset = 0;
// First figure out what command we're dealing with.
u32 CmdMail = Read32();
u32 Command = (CmdMail >> 24) & 0x7f;
u32 Sync = CmdMail >> 16;
u16 ExtraData = CmdMail & 0xFFFF; // not yet used
DEBUG_LOG(DSPHLE, "==============================================================================");
DEBUG_LOG(DSPHLE, "Zelda UCode - execute dlist (cmd: 0x%04x : sync: 0x%04x)", Command, Sync);
@ -202,7 +210,11 @@ void CUCode_Zelda::ExecuteList()
// This points to some strange data table.
DEBUG_LOG(DSPHLE, "DSPRES_FILTER (size: 0x40): 0x%08x", tmp[1]);
// See 0x02, same thing as DSPADPCM_FILTER there.
// Zelda WW: This points to a 64-byte array of coefficients, which are EXACTLY the same
// as the AFC ADPCM coef array in decode.c of the in_cube winamp plugin,
// which can play Zelda audio.
// There's also a lot more table-looking data immediately after - maybe alternative
// tables? I wonder where the parameter blocks are?
DEBUG_LOG(DSPHLE, "DSPADPCM_FILTER (size: 0x500): 0x%08x", tmp[2]);
DEBUG_LOG(DSPHLE, "Some other mixing buffer: 0x%08x", tmp[3]);
}
@ -214,7 +226,6 @@ void CUCode_Zelda::ExecuteList()
u32 tmp[3];
tmp[0] = Read32();
tmp[1] = Read32();
tmp[2] = Read32();
// We're ready to mix
// soundStream->GetMixer()->SetHLEReady(true);
@ -232,13 +243,6 @@ void CUCode_Zelda::ExecuteList()
// but not at, the ADMA read addresses.
DEBUG_LOG(DSPHLE, "Left mixing buffer? 0x%08x", tmp[0]);
DEBUG_LOG(DSPHLE, "Right mixing buffer? 0x%08x", tmp[1]);
// Zelda WW: This points to a 64-byte array of coefficients, which are EXACTLY the same
// as the AFC ADPCM coef array in decode.c of the in_cube winamp plugin,
// which can play Zelda audio.
// There's also a lot more table-looking data immediately after - maybe alternative
// tables? I wonder where the parameter blocks are?
DEBUG_LOG(DSPHLE, "DSPADPCM_FILTER (size: 0x40): 0x%08x", tmp[2]);
}
return;
break;
@ -259,11 +263,9 @@ void CUCode_Zelda::ExecuteList()
{
u32 tmp[2];
tmp[0] = Read32();
tmp[1] = Read32();
DEBUG_LOG(DSPHLE, "DSetDolbyDelay");
DEBUG_LOG(DSPHLE, "DOLBY2_DELAY_BUF (size 0x960): 0x%08x", tmp[0]);
DEBUG_LOG(DSPHLE, "DSPRES_FILTER (size 0x500): 0x%08x", tmp[1]);
}
break;