From 319857db89b6398f287bd8da52f5433e6bded13f Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Fri, 24 Feb 2017 00:59:07 +0200
Subject: [PATCH] Fixed window behavior

---
 Core/display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Core/display.c b/Core/display.c
index f878706f..feb0babc 100755
--- a/Core/display.c
+++ b/Core/display.c
@@ -366,6 +366,10 @@ static void update_display_state(GB_gameboy_t *gb, uint8_t cycles)
                 }
             }
             ly_for_comparison = gb->io_registers[GB_IO_LY] = 0;
+            
+            /* Reset window rendering state */
+            gb->effective_window_enabled = false;
+            gb->effective_window_y = 0xFF;
             display_vblank(gb);
         }