From b22dc91f6746f5663ffcfa888be257f9f414ddc9 Mon Sep 17 00:00:00 2001
From: TomW <TomW@localhost>
Date: Mon, 28 Apr 2014 21:01:38 +0100
Subject: [PATCH] Fixed inverted vertical axis on Amstrad mouse.

---
 src/amstrad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amstrad.c b/src/amstrad.c
index 276706a..2582f3d 100644
--- a/src/amstrad.c
+++ b/src/amstrad.c
@@ -56,7 +56,7 @@ static int oldb = 0;
 void amstrad_mouse_poll(int x, int y, int b)
 {
         mousex += x;
-        mousey += y;
+        mousey -= y;
 
         if ((b & 1) && !(oldb & 1))
            keyboard_send(0x7e);