From 7fe38de5f63ac45f72603220e523df4d14ec4ac3 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Fri, 8 Dec 2023 12:13:49 +0100
Subject: [PATCH] [INTERPRETER] Slightly better way to handle 3E/F2/F3 prefixes

---
 src/emu/x86run.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/emu/x86run.c b/src/emu/x86run.c
index a248a1f23..e4527dc5f 100755
--- a/src/emu/x86run.c
+++ b/src/emu/x86run.c
@@ -93,12 +93,14 @@ int Run(x86emu_t *emu, int step)
         opcode = F8;
         
         rep = 0;
-        while((opcode==0xF2) || (opcode==0xF3)) {
-            rep = opcode-0xF1;
+        while((opcode==0xF2) || (opcode==0xF3) || (opcode==0x3E)) {
+            switch (opcode) {
+                case 0xF2: rep = 1; break;
+                case 0xF3: rep = 2; break;
+                case 0x3E: /* ignored*/ break;
+            }
             opcode = F8;
         }
-        while((opcode==0x3E))   //Branch Taken Hint ignored
-            opcode = F8;
 
         switch(opcode) {