From 8e49cf41c96fabb30a5d4182f371c747571e9dc2 Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Mon, 12 Dec 2016 23:03:47 +0900
Subject: [PATCH] Fix xscreen

---
 SMILEBASIC/petitcomputer.d | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/SMILEBASIC/petitcomputer.d b/SMILEBASIC/petitcomputer.d
index 8127dc0..8fcc54c 100644
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -477,10 +477,13 @@ class PetitComputer
                 this.bg[i].display = 0;
                 this.bg[i].clip;
             }
-            for(int i = bgmax; i < this.bg.length; i++)
+            if (currentDisplay.rect.length > 1)
             {
-                this.bg[i].display = 1;
-                this.bg[i].clip;
+                for(int i = bgmax; i < this.bg.length; i++)
+                {
+                    this.bg[i].display = 1;
+                    this.bg[i].clip;
+                }
             }
             for (int i = cast(int)currentDisplay.rect.length - 1; i >= 0; i--)
             {