From f28d9b331dc8ab272b13b7bf3357978c066fe001 Mon Sep 17 00:00:00 2001
From: otya128 <otya128@users.noreply.github.com>
Date: Thu, 15 Dec 2016 22:20:07 +0900
Subject: [PATCH] Fix VSYNC

---
 SMILEBASIC/petitcomputer.d | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SMILEBASIC/petitcomputer.d b/SMILEBASIC/petitcomputer.d
index 6d26f59..df71aee 100644
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -1145,7 +1145,7 @@ class PetitComputer
                     //A=MAINCNT:VSYNC 50:A=MAINCNT-A->A=0~50
                     auto endmaincnt = maincnt + vsyncFrame;
                     graphic.updateVM();
-                    while (maincnt < endmaincnt)
+                    while (maincnt < endmaincnt && !quit)
                     {
                         SDL_Delay(cast(uint)(frame));
                     }