From 4ae8f2d260457b747468bde30c89c4957186be28 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Tue, 28 Jun 2016 21:58:21 +0100
Subject: [PATCH] REP instructions now handle trap flag correctly, Windows NT
 3.51 now works on 386 systems.

---
 src/386_dynarec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/386_dynarec.c b/src/386_dynarec.c
index 329e24f..60aaffe 100644
--- a/src/386_dynarec.c
+++ b/src/386_dynarec.c
@@ -297,6 +297,9 @@ int rep386(int fv)
           that high frequency timers still work okay. This amount is different
           for interpreter and recompiler*/
         int cycles_end = cycles - ((is386 && cpu_use_dynarec) ? 1000 : 100);
+
+        if (trap)
+                cycles_end = cycles+1; /*Force the instruction to end after only one iteration when trap flag set*/
         
         cpu_reps++;