From 1f83fc4e9cc166264949b7d5d39f0bc83943579e Mon Sep 17 00:00:00 2001
From: raven02 <jacky.kktsui@yahoo.com.hk>
Date: Thu, 20 Dec 2012 21:11:21 +0800
Subject: [PATCH] Implement Vdet

---
 Core/MIPS/MIPSIntVFPU.cpp | 21 ++++++++++++++++++++-
 Core/MIPS/MIPSIntVFPU.h   |  1 +
 Core/MIPS/MIPSTables.cpp  |  2 +-
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/Core/MIPS/MIPSIntVFPU.cpp b/Core/MIPS/MIPSIntVFPU.cpp
index b3045b9a4..27d0fe5e5 100644
--- a/Core/MIPS/MIPSIntVFPU.cpp
+++ b/Core/MIPS/MIPSIntVFPU.cpp
@@ -906,7 +906,26 @@ namespace MIPSInt
 		PC += 4;
 		EatPrefixes();
 	}
-
+	
+	void Int_Vdet(u32 op)
+	{
+		float s[4], t[4];
+		float d[4];
+		int vd = _VD;
+		int vs = _VS;
+		int vt = _VT;
+		VectorSize sz = GetVecSize(op);
+		if (sz != V_Pair)
+			_dbg_assert_msg_(CPU,0,"Trying to interpret instruction that can't be interpreted");
+		ReadVector(s, sz, vs);
+		ReadVector(t, sz, vt);
+		d[0] = s[0] * t[1] - s[1] * t[0];
+		ApplyPrefixD(d, sz);
+		WriteVector(d, sz, vd);
+		PC += 4;
+		EatPrefixes();
+	}
+	
 	void Int_Vfad(u32 op)
 	{
 		float s[4];
diff --git a/Core/MIPS/MIPSIntVFPU.h b/Core/MIPS/MIPSIntVFPU.h
index 50e722936..c75b1ac18 100644
--- a/Core/MIPS/MIPSIntVFPU.h
+++ b/Core/MIPS/MIPSIntVFPU.h
@@ -50,6 +50,7 @@ namespace MIPSInt
 	void Int_Vcmp(u32 op);
 	void Int_Vminmax(u32 op);
 	void Int_Vcrs(u32 op);
+	void Int_Vdet(u32 op);
 	void Int_Vcmov(u32 op);
 	void Int_CrossQuat(u32 op);
 	void Int_VPFX(u32 op);
diff --git a/Core/MIPS/MIPSTables.cpp b/Core/MIPS/MIPSTables.cpp
index 67d9b70e9..c8fffe820 100644
--- a/Core/MIPS/MIPSTables.cpp
+++ b/Core/MIPS/MIPSTables.cpp
@@ -495,7 +495,7 @@ MIPSInstruction tableVFPU1[8] =
 	INSTR("vhdp",&Jit::Comp_Generic, Dis_Generic, 0, IS_VFPU), 
 	{-2}, 
 	INSTR("vcrs",&Jit::Comp_Generic, Dis_Vcrs, Int_Vcrs, IS_VFPU), 
-	INSTR("vdet",&Jit::Comp_Generic, Dis_Generic, 0, IS_VFPU), 
+	INSTR("vdet",&Jit::Comp_Generic, Dis_Generic, Int_Vdet, IS_VFPU), 
 	{-2},
 };