From 30cb4f1dcc4f55a6c09f471123d02a25fa2edd03 Mon Sep 17 00:00:00 2001
From: Sour <mesenemu@gmail.com>
Date: Wed, 20 Feb 2019 00:43:40 -0500
Subject: [PATCH] PPU: Fixed out-of-bounds memory writes

---
 Core/Ppu.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/Ppu.cpp b/Core/Ppu.cpp
index e74d99a..77d2471 100644
--- a/Core/Ppu.cpp
+++ b/Core/Ppu.cpp
@@ -296,7 +296,7 @@ void Ppu::RenderScanline()
 		uint8_t row = (info.TileRow + rowOffset) & 0x0F;
 		constexpr uint16_t bpp = 4;
 
-		for(int x = info.X; x < info.X + width; x++) {
+		for(int x = info.X; x > 0 && x < info.X + width && x < 256; x++) {
 			if(_spritePixels[x] == 0xFFFF) {
 				uint8_t xOffset;
 				int columnOffset;