- N64 RSP changes: [MooglyGuy]

* Added SIMUL_SIMD flag for easy finding of bugs in SIMD opcodes
  * Fixed SIMD versions of SSV, SLV, SDV, STV, VSUB, VADDC, VSUBC, and VGE
  * Removed SIMD optimizations from VMACF, VMADL, VMADN, as they were
    provided by the CEN64 author but do not appear to have the same results
    as MESS's scalar implementations, and so are not trustworthy

src/emu/cpu/rsp/rsp.h

@@ -17,7 +17,7 @@
 #define __RSP_H__
 
 #define USE_SIMD        (0)
-#define SIMUL_SIMD		(1)
+#define SIMUL_SIMD		(0)
 
 #if USE_SIMD
 #include <tmmintrin.h>
@@ -169,6 +169,27 @@ struct rsp_state
 	UINT32 r[35];
 	VECTOR_REG v[32];
 	UINT16 vflag[6][8];
+
+#if SIMUL_SIMD
+	UINT32 old_r[35];
+	UINT8 old_dmem[4096];
+
+	UINT32 scalar_r[35];
+	UINT8 scalar_dmem[4096];
+
+	INT32 old_reciprocal_res;
+	UINT32 old_reciprocal_high;
+	INT32 old_dp_allowed;
+
+	INT32 scalar_reciprocal_res;
+	UINT32 scalar_reciprocal_high;
+	INT32 scalar_dp_allowed;
+
+	INT32 simd_reciprocal_res;
+	UINT32 simd_reciprocal_high;
+	INT32 simd_dp_allowed;
+#endif
+
 #if USE_SIMD
 	// Mirror of v[] for now, to be used in parallel as
 	// more vector ops are transitioned over
@@ -183,6 +204,7 @@ struct rsp_state
 	__m128i accum_h;
 	__m128i accum_m;
 	__m128i accum_l;
+	__m128i accum_ll;
 #endif
 	INT32 reciprocal_res;
 	UINT32 reciprocal_high;