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Added an option to the HLE plugin that fixes sound in RE0 and maybe some other games.

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Please tell me if I've done this wrong or need explaining why i did something :P.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3191 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
death2droid
2009-05-10 10:55:33 +00:00
parent be45b223bb
commit c0466334e4
5 changed files with 32 additions and 5 deletions
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26
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_AX.cpp
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@ -23,6 +23,7 @@
extern CDebugger* m_frame;
#endif
#include <sstream>
#include "../Config.h"
#include "../Globals.h"
#include "Mixer.h"
@ -343,11 +344,25 @@ void CUCode_AX::MixAdd(short* _pBuffer, int _iSize)
int numupd = upd0 + upd1 + upd2 + upd3 + upd4;
if(numupd > 64) numupd = 64; // prevent crazy values
const u32 updaddr = (u32)(upd_hi << 16) | upd_lo;
const u16 updpar = 0;
const u16 upddata = 0;
int on = false, off = false;
for (int j = 0; j < numupd; j++)
{
const u16 updpar = Memory_Read_U16(updaddr + j);
const u16 upddata = Memory_Read_U16(updaddr + j + 2);
if(!g_Config.m_EnableRE0Fix)
{
for (int j = 0; j < numupd; j++)
{
const u16 updpar = Memory_Read_U16(updaddr + j);
const u16 upddata = Memory_Read_U16(updaddr + j + 2);
}
}
else
{
const u16 updpar = Memory_Read_U16(updaddr);
const u16 upddata = Memory_Read_U16(updaddr + 2);
}
if (!g_Config.m_EnableRE0Fix || g_Config.m_EnableRE0Fix)
{
// some safety checks, I hope it's enough
if(updaddr > 0x80000000 && updaddr < 0x817fffff
&& updpar < 63 && updpar > 3 && upddata >= 0 // updpar > 3 because we don't want to change
@ -360,9 +375,10 @@ void CUCode_AX::MixAdd(short* _pBuffer, int _iSize)
}
if (updpar == 7 && upddata == 1) on++;
if (updpar == 7 && upddata == 1) off++;
}
// hack: if we get both an on and an off select on rather than off
if (on > 0 && off > 0) pDest[7] = 1;
}
}
//PrintFile(1, "%08x %04x %04x\n", updaddr, updpar, upddata);