piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 06:09:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

Some leftover work from unfinished DX9 Access EFB. In DSP HLE, 0x0004,7,b,c are almost done, all that's left to do is resample from 0x50 to _Size.

Browse Source 
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4313 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2009-09-24 13:52:45 +00:00
parent 750ad4fb5d
commit ebfceb16b9
3 changed files with 60 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda_Synth.cpp
View File

@ -116,6 +116,32 @@ void CUCode_Zelda::RenderSynth_Constant(ZeldaVoicePB &PB, s32* _Buffer, int _Siz
_Buffer[i] = (s32)PB.RatioInt;
}
// A piece of code from LLE so we can see how the wrap register affects the sound
// HORRIBLE UGLINESS, someone please fix.
// See http://code.google.com/p/dolphin-emu/source/detail?r=3125
inline u16 ToMask(u16 a)
{
a = a | (a >> 8);
a = a | (a >> 4);
a = a | (a >> 2);
return a | (a >> 1);
}
inline s16 AddValueToReg(s16 reg, s32 value)
{
s16 tmp = reg;
u16 tmb = ToMask(0x003f);
for(int i = 0; i < value; i++) {
if ((tmp & tmb) == tmb)
tmp ^= 0x003f;
else
tmp++;
}
return tmp;
}
void CUCode_Zelda::RenderSynth_WaveTable(ZeldaVoicePB &PB, s32* _Buffer, int _Size)
{
@ -139,24 +165,24 @@ void CUCode_Zelda::RenderSynth_WaveTable(ZeldaVoicePB &PB, s32* _Buffer, int _Si
break;
}
// TODO: What about the 0x003f wrap register?
// TODO: Resample this!
WARN_LOG(DSPHLE, "Synthesizing the incomplete format 0x%04x", PB.Format);
//WARN_LOG(DSPHLE, "Not synthesizing un-REd format 0x%04x", PB.Format);
u64 ACC0 = PB.CurSampleFrac << 6;
ACC0 &= 0x3f0000;
ACC0 &= 0xffff003fffff;
address += (ACC0 >> 16);
ACC0 &= 0xffff;
address = AddValueToReg(address, ((ACC0 >> 16) & 0xffff));
ACC0 &= 0xffff0000ffff;
for(int i = 0; i < _Size; i++)
{
_Buffer[i] = m_MiscTable[address];
ACC0 += PB.RatioInt << 5;
address += ((ACC0 >> 16) & 0x003f);
address = AddValueToReg(address, ((ACC0 >> 16) & 0xffff));
ACC0 &= 0xffff;
ACC0 &= 0xffff0000ffff;
}
ACC0 = address << 16;