From 353faed7825ba7ba293e0ce2afaac2d7b1f4da58 Mon Sep 17 00:00:00 2001
From: yellows8 <yellows8@users.noreply.github.com>
Date: Mon, 20 Nov 2017 19:26:04 -0500
Subject: [PATCH] Added x/y bounds checking to
 gfxGetFramebufferDisplayOffset().

---
 nx/source/gfx/gfx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nx/source/gfx/gfx.c b/nx/source/gfx/gfx.c
index d2db8c03..f1d7abad 100644
--- a/nx/source/gfx/gfx.c
+++ b/nx/source/gfx/gfx.c
@@ -249,6 +249,9 @@ u32 gfxGetFramebufferDisplayOffset(u32 x, u32 y) {
 
     gfxGetFramebuffer(&width, &height);
 
+    if (x >= width) x = width-1;
+    if (y >= height) y = height-1;
+
     y = height-1-y;
 
     tilepos = ((y & 127) / 16) + (x/16*8) + ((y/16/8)*(width/16*8));