From 3df46b44790ae3cba0f48a8a0959ac69e9671f65 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Sun, 9 Oct 2016 08:53:04 +0100
Subject: [PATCH] Memory addressing on XT now wraps at 1MB.

---
 src/808x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/808x.c b/src/808x.c
index a485277..e4df098 100644
--- a/src/808x.c
+++ b/src/808x.c
@@ -639,7 +639,7 @@ void resetx86()
         eflags=0;
         cgate32=0;
         loadcs(0xFFFF);
-        rammask=0xFFFFFFFF;
+        rammask = AT ? 0xFFFFFFFF : 0xfffff;
         idt.base = 0;
         flags=2;
         makeznptable();