From 5ce5951f5db4377b1c745ed71e69376e875ce93a Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Tue, 9 Mar 2021 16:30:04 +0100
Subject: Added REX 0F BA opcodes

---
 src/emu/x64run0f.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index f30b8906..e48c0eb6 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -498,6 +498,103 @@ int Run0F(x64emu_t *emu, rex_t rex)
             GD->q[0] = EW->word[0];
             break;
 
+        case 0xBA:                      
+            nextop = F8;
+            switch((nextop>>3)&7) {
+                case 4:                 /* BT Ed,Ib */
+                    CHECK_FLAGS(emu);
+                    GETED(1);
+                    tmp8u = F8;
+                    if(!MODREG)
+                        ED=(reg64_t*)(((uintptr_t*)(ED))+(tmp8u>>5));
+                    if(rex.w) {
+                        tmp8u&=63;
+                        if(ED->q[0] & (1L<<tmp8u))
+                            SET_FLAG(F_CF);
+                        else
+                            CLEAR_FLAG(F_CF);
+                    } else {
+                        tmp8u&=31;
+                        if(ED->dword[0] & (1<<tmp8u))
+                            SET_FLAG(F_CF);
+                        else
+                            CLEAR_FLAG(F_CF);
+                    }
+                    break;
+                case 5:             /* BTS Ed, Ib */
+                    CHECK_FLAGS(emu);
+                    GETED(1);
+                    tmp8u = F8;
+                    if(!MODREG)
+                        ED=(reg64_t*)(((uintptr_t*)(ED))+(tmp8u>>5));
+                    if(rex.w) {
+                        tmp8u&=63;
+                        if(ED->q[0] & (1L<<tmp8u)) {
+                            SET_FLAG(F_CF);
+                        } else {
+                            ED->q[0] ^= (1L<<tmp8u);
+                            CLEAR_FLAG(F_CF);
+                        }
+                    } else {
+                        tmp8u&=31;
+                        if(ED->dword[0] & (1<<tmp8u)) {
+                            SET_FLAG(F_CF);
+                        } else {
+                            ED->dword[0] ^= (1<<tmp8u);
+                            CLEAR_FLAG(F_CF);
+                        }
+                    }
+                    break;
+                case 6:             /* BTR Ed, Ib */
+                    CHECK_FLAGS(emu);
+                    GETED(1);
+                    tmp8u = F8;
+                    if(!MODREG)
+                        ED=(reg64_t*)(((uintptr_t*)(ED))+(tmp8u>>5));
+                    if(rex.w) {
+                        tmp8u&=63;
+                        if(ED->q[0] & (1L<<tmp8u)) {
+                            SET_FLAG(F_CF);
+                            ED->q[0] ^= (1L<<tmp8u);
+                        } else
+                            CLEAR_FLAG(F_CF);
+                    } else {
+                        tmp8u&=31;
+                        if(ED->dword[0] & (1<<tmp8u)) {
+                            SET_FLAG(F_CF);
+                            ED->dword[0] ^= (1<<tmp8u);
+                        } else
+                            CLEAR_FLAG(F_CF);
+                    }
+                    break;
+                case 7:             /* BTC Ed, Ib */
+                    CHECK_FLAGS(emu);
+                    GETED(1);
+                    tmp8u = F8;
+                    if(!MODREG)
+                        ED=(reg64_t*)(((uintptr_t*)(ED))+(tmp8u>>5));
+                    if(rex.w) {
+                        tmp8u&=63;
+                        if(ED->q[0] & (1L<<tmp8u))
+                            SET_FLAG(F_CF);
+                        else
+                            CLEAR_FLAG(F_CF);
+                        ED->q[0] ^= (1L<<tmp8u);
+                    } else {
+                        tmp8u&=31;
+                        if(ED->dword[0] & (1<<tmp8u))
+                            SET_FLAG(F_CF);
+                        else
+                            CLEAR_FLAG(F_CF);
+                        ED->dword[0] ^= (1<<tmp8u);
+                    }
+                    break;
+
+                default:
+                    return 1;
+            }
+            break;
+
         case 0xBE:                      /* MOVSX Gd,Eb */
             nextop = F8;
             GETEB(0);
-- 
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