From 277b4c3988e743aca137840d72cfad82bde8e5d0 Mon Sep 17 00:00:00 2001
From: SarahW <pcem@pcem-emulator.co.uk>
Date: Thu, 2 May 2019 19:55:29 +0100
Subject: [PATCH] Mask PC correctly on IRET to V86 mode. Fixes Windows NT 3.51
 installer.

---
 src/x86seg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/x86seg.c b/src/x86seg.c
index bd7c6db..d58f8c2 100644
--- a/src/x86seg.c
+++ b/src/x86seg.c
@@ -2152,7 +2152,7 @@ void pmodeiret(int is32)
 //                        pclog("V86 IRET %04X:%08X\n",SS,ESP);
 //                        output=3;
                         
-                        cpu_state.pc=newpc;
+                        cpu_state.pc = newpc & 0xffff;
                         cpu_state.seg_cs.base=seg<<4;
                         cpu_state.seg_cs.limit=0xFFFF;
                         cpu_state.seg_cs.limit_low = 0;