From 0687d4a304f10978b885e41ec60a1ed2780acb84 Mon Sep 17 00:00:00 2001
From: Asnivor <coding@asnitech.co.uk>
Date: Mon, 3 Dec 2018 21:16:58 +0000
Subject: [PATCH] needs testing/a second eye on it - #1363

---
 BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs b/BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs
index e348ae9ce1..c10e7e6ec3 100644
--- a/BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs	
+++ b/BizHawk.Emulation.Cores/Consoles/PC Engine/VDC.cs	
@@ -227,8 +227,8 @@ namespace BizHawk.Emulation.Cores.PCEngine
 			for (; Registers[LENR] < 0xFFFF; Registers[LENR]--, wordsDone++)
 			{
 				VRAM[Registers[DESR] & 0x7FFF] = VRAM[Registers[SOUR] & 0x7FFF];
-				UpdatePatternData(Registers[DESR]);
-				UpdateSpriteData(Registers[DESR]);
+				UpdatePatternData((ushort)(Registers[DESR] & 0x7FFF));
+				UpdateSpriteData((ushort)(Registers[DESR] & 0x7FFF));
 				Registers[DESR] = (ushort)(Registers[DESR] + advanceDest);
 				Registers[SOUR] = (ushort)(Registers[SOUR] + advanceSource);