From 55b51a4a558a04ae997d7e31622860062299d170 Mon Sep 17 00:00:00 2001
From: TomW <TomW@localhost>
Date: Wed, 19 Nov 2014 18:12:42 +0000
Subject: [PATCH] Implemented segment limit checks on FSTP double - fixes LBA2
 on Pentium.

---
 src/x87_ops_loadstore.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/x87_ops_loadstore.h b/src/x87_ops_loadstore.h
index b479837..b4bdb3d 100644
--- a/src/x87_ops_loadstore.h
+++ b/src/x87_ops_loadstore.h
@@ -362,6 +362,7 @@ static int opFSTPd_a16(uint32_t fetchdat)
         x87_td t;
         FP_ENTER();
         fetch_ea_16(fetchdat);
+        CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
         if (fplog) pclog("FSTd %08X:%08X\n", easeg, eaaddr);
         t.d = ST(0);
         seteaq(t.i); if (abrt) return 1;
@@ -374,6 +375,7 @@ static int opFSTPd_a32(uint32_t fetchdat)
         x87_td t;
         FP_ENTER();
         fetch_ea_32(fetchdat);
+        CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
         if (fplog) pclog("FSTd %08X:%08X\n", easeg, eaaddr);
         t.d = ST(0);
         seteaq(t.i); if (abrt) return 1;