From 8b71ef3bc135c2f94e0137e8970a473a25ad935c Mon Sep 17 00:00:00 2001
From: zilmar <zilmar@pj64-emu.com>
Date: Thu, 7 Sep 2023 11:23:35 +0930
Subject: [PATCH] RSP: Add RSP_Vector_Reserved

---
 .../cpu/RSPInterpreterCPU.cpp                 | 38 +++++++++----------
 .../cpu/RSPInterpreterOps.cpp                 | 13 +++++--
 .../cpu/RSPInterpreterOps.h                   |  2 +-
 3 files changed, 29 insertions(+), 24 deletions(-)

diff --git a/Source/Project64-rsp-core/cpu/RSPInterpreterCPU.cpp b/Source/Project64-rsp-core/cpu/RSPInterpreterCPU.cpp
index dfaff26e73..48b2266323 100644
--- a/Source/Project64-rsp-core/cpu/RSPInterpreterCPU.cpp
+++ b/Source/Project64-rsp-core/cpu/RSPInterpreterCPU.cpp
@@ -257,20 +257,20 @@ void BuildInterpreterCPU(void)
     RSP_Vector[15] = RSP_Vector_VMADH;
     RSP_Vector[16] = RSP_Vector_VADD;
     RSP_Vector[17] = RSP_Vector_VSUB;
-    RSP_Vector[18] = RSP_Vector_VSUT;
+    RSP_Vector[18] = RSP_Vector_Reserved;
     RSP_Vector[19] = RSP_Vector_VABS;
     RSP_Vector[20] = RSP_Vector_VADDC;
     RSP_Vector[21] = RSP_Vector_VSUBC;
-    RSP_Vector[22] = rsp_UnknownOpcode;
-    RSP_Vector[23] = rsp_UnknownOpcode;
-    RSP_Vector[24] = rsp_UnknownOpcode;
-    RSP_Vector[25] = rsp_UnknownOpcode;
-    RSP_Vector[26] = rsp_UnknownOpcode;
-    RSP_Vector[27] = rsp_UnknownOpcode;
-    RSP_Vector[28] = rsp_UnknownOpcode;
+    RSP_Vector[22] = RSP_Vector_Reserved;
+    RSP_Vector[23] = RSP_Vector_Reserved;
+    RSP_Vector[24] = RSP_Vector_Reserved;
+    RSP_Vector[25] = RSP_Vector_Reserved;
+    RSP_Vector[26] = RSP_Vector_Reserved;
+    RSP_Vector[27] = RSP_Vector_Reserved;
+    RSP_Vector[28] = RSP_Vector_Reserved;
     RSP_Vector[29] = RSP_Vector_VSAW;
-    RSP_Vector[30] = rsp_UnknownOpcode;
-    RSP_Vector[31] = rsp_UnknownOpcode;
+    RSP_Vector[30] = RSP_Vector_Reserved;
+    RSP_Vector[31] = RSP_Vector_Reserved;
     RSP_Vector[32] = RSP_Vector_VLT;
     RSP_Vector[33] = RSP_Vector_VEQ;
     RSP_Vector[34] = RSP_Vector_VNE;
@@ -285,8 +285,8 @@ void BuildInterpreterCPU(void)
     RSP_Vector[43] = RSP_Vector_VNOR;
     RSP_Vector[44] = RSP_Vector_VXOR;
     RSP_Vector[45] = RSP_Vector_VNXOR;
-    RSP_Vector[46] = rsp_UnknownOpcode;
-    RSP_Vector[47] = rsp_UnknownOpcode;
+    RSP_Vector[46] = RSP_Vector_Reserved;
+    RSP_Vector[47] = RSP_Vector_Reserved;
     RSP_Vector[48] = RSP_Vector_VRCP;
     RSP_Vector[49] = RSP_Vector_VRCPL;
     RSP_Vector[50] = RSP_Vector_VRCPH;
@@ -295,13 +295,13 @@ void BuildInterpreterCPU(void)
     RSP_Vector[53] = RSP_Vector_VRSQL;
     RSP_Vector[54] = RSP_Vector_VRSQH;
     RSP_Vector[55] = RSP_Vector_VNOOP;
-    RSP_Vector[56] = rsp_UnknownOpcode;
-    RSP_Vector[57] = rsp_UnknownOpcode;
-    RSP_Vector[58] = rsp_UnknownOpcode;
-    RSP_Vector[59] = rsp_UnknownOpcode;
-    RSP_Vector[60] = rsp_UnknownOpcode;
-    RSP_Vector[61] = rsp_UnknownOpcode;
-    RSP_Vector[62] = rsp_UnknownOpcode;
+    RSP_Vector[56] = RSP_Vector_Reserved;
+    RSP_Vector[57] = RSP_Vector_Reserved;
+    RSP_Vector[58] = RSP_Vector_Reserved;
+    RSP_Vector[59] = RSP_Vector_Reserved;
+    RSP_Vector[60] = RSP_Vector_Reserved;
+    RSP_Vector[61] = RSP_Vector_Reserved;
+    RSP_Vector[62] = RSP_Vector_Reserved;
     RSP_Vector[63] = rsp_UnknownOpcode;
 
     RSP_Lc2[0] = RSP_Opcode_LBV;
diff --git a/Source/Project64-rsp-core/cpu/RSPInterpreterOps.cpp b/Source/Project64-rsp-core/cpu/RSPInterpreterOps.cpp
index bdaa9386c2..eb08e0e6f0 100644
--- a/Source/Project64-rsp-core/cpu/RSPInterpreterOps.cpp
+++ b/Source/Project64-rsp-core/cpu/RSPInterpreterOps.cpp
@@ -1276,10 +1276,6 @@ void RSP_Vector_VSUB(void)
     RSP_Vect[RSPOpC.vd] = Result;
 }
 
-void RSP_Vector_VSUT(void)
-{
-}
-
 void RSP_Vector_VABS(void)
 {
     RSPVector Result;
@@ -1342,6 +1338,15 @@ void RSP_Vector_VSUBC(void)
     RSP_Vect[RSPOpC.vd] = Result;
 }
 
+void RSP_Vector_Reserved(void)
+{
+    for (uint8_t el = 0; el < 8; el++)
+    {
+        RSP_ACCUM[el].HW[1] = RSP_Vect[RSPOpC.vs].s16(el) + RSP_Vect[RSPOpC.vt].se(el, RSPOpC.e);
+    }
+    RSP_Vect[RSPOpC.vd] = RSPVector();
+}
+
 void RSP_Vector_VSAW(void)
 {
     RSPVector Result;
diff --git a/Source/Project64-rsp-core/cpu/RSPInterpreterOps.h b/Source/Project64-rsp-core/cpu/RSPInterpreterOps.h
index a1ebddd810..ea8b06ac1e 100644
--- a/Source/Project64-rsp-core/cpu/RSPInterpreterOps.h
+++ b/Source/Project64-rsp-core/cpu/RSPInterpreterOps.h
@@ -89,10 +89,10 @@ void RSP_Vector_VMADN(void);
 void RSP_Vector_VMADH(void);
 void RSP_Vector_VADD(void);
 void RSP_Vector_VSUB(void);
-void RSP_Vector_VSUT(void);
 void RSP_Vector_VABS(void);
 void RSP_Vector_VADDC(void);
 void RSP_Vector_VSUBC(void);
+void RSP_Vector_Reserved(void);
 void RSP_Vector_VSAW(void);
 void RSP_Vector_VLT(void);
 void RSP_Vector_VEQ(void);