RSP: Add method to get element specifier index from the Vector

Source/Project64-rsp/Interpreter Ops.cpp

@@ -1262,19 +1262,16 @@ void RSP_Vector_VSUB(void)
 
 void RSP_Vector_VABS(void)
 {
-    uint8_t del;
     RSPVector Result;
     for (uint8_t el = 0; el < 8; el++)
     {
-        del = EleSpec[RSPOpC.e].B[el];
-
         if (RSP_Vect[RSPOpC.vs].s16(el) > 0)
         {
-            Result.s16(el) = RSP_Vect[RSPOpC.vt].u16(del);
+            Result.s16(el) = RSP_Vect[RSPOpC.vt].ue(el, RSPOpC.e);
         }
         else if (RSP_Vect[RSPOpC.vs].s16(el) < 0)
         {
-            Result.u16(el) = RSP_Vect[RSPOpC.vt].u16(del) == 0x8000 ? 0x7FFF : RSP_Vect[RSPOpC.vt].s16(del) * -1;
+            Result.u16(el) = RSP_Vect[RSPOpC.vt].ue(el, RSPOpC.e) == 0x8000 ? 0x7FFF : RSP_Vect[RSPOpC.vt].se(el, RSPOpC.e) * -1;
         }
         else
         {

Source/Project64-rsp/cpu/RspTypes.cpp

@@ -1,11 +1,25 @@
 #include "RspTypes.h"
 
+extern UDWORD EleSpec[16];
+
 RSPVector::RSPVector()
 {
     m_Reg[0] = 0;
     m_Reg[1] = 0;
 }
 
+uint16_t & RSPVector::ue(uint8_t Index, uint8_t Element)
+{
+    Index = EleSpec[Element].B[Index];
+    return ((uint16_t*)&m_Reg)[7 - Index];
+}
+
+int16_t & RSPVector::se(uint8_t Index, uint8_t Element)
+{
+    Index = EleSpec[Element].B[Index];
+    return ((int16_t*)&m_Reg)[7 - Index];
+}
+
 int8_t & RSPVector::s8(uint8_t Index)
 {
     return ((int8_t*)&m_Reg)[15 - Index];

Source/Project64-rsp/cpu/RspTypes.h

@@ -29,6 +29,9 @@ class RSPVector
 public:
     RSPVector();
 
+    uint16_t & ue(uint8_t Index, uint8_t Element);
+    int16_t & se(uint8_t Index, uint8_t Element);
+
     int8_t & s8(uint8_t Index);
     uint8_t & u8(uint8_t Index);
     int16_t & s16(uint8_t Index);