From 5e3f9799d4ffd3e46a2185ee400d6af64d408bfe Mon Sep 17 00:00:00 2001
From: Aleksandar Andrejevic <aandrejevic@reactos.org>
Date: Sun, 19 Apr 2015 02:12:12 +0000
Subject: [PATCH] [NTVDM] Account for DoubleVision when updating relative
 movement counters.

svn path=/trunk/; revision=67290
---
 reactos/subsystems/mvdm/ntvdm/hardware/mouse.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/reactos/subsystems/mvdm/ntvdm/hardware/mouse.c b/reactos/subsystems/mvdm/ntvdm/hardware/mouse.c
index 20815ec1ef8..1d138a52497 100644
--- a/reactos/subsystems/mvdm/ntvdm/hardware/mouse.c
+++ b/reactos/subsystems/mvdm/ntvdm/hardware/mouse.c
@@ -429,8 +429,8 @@ VOID MouseEventHandler(PMOUSE_EVENT_RECORD MouseEvent)
     WaitForSingleObject(MouseMutex, INFINITE);
 
     /* Update the counters */
-    HorzCounter += NewPosition.X - Position.X;
-    VertCounter += NewPosition.Y - Position.Y;
+    HorzCounter += (NewPosition.X - Position.X) << DoubleWidth;
+    VertCounter += (NewPosition.Y - Position.Y) << DoubleHeight;
 
     /* Update the position */
     Position = NewPosition;