From 5601353fc9cd66dbcca4d06fc7068af853317442 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Fri, 26 Nov 2010 15:00:08 +0000
Subject: Copied DS81 files as a baseline

---
 source/touchwrap.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 source/touchwrap.c

(limited to 'source/touchwrap.c')

diff --git a/source/touchwrap.c b/source/touchwrap.c
new file mode 100644
index 0000000..dec2b93
--- /dev/null
+++ b/source/touchwrap.c
@@ -0,0 +1,55 @@
+/*
+   ds81 - Nintendo DS ZX81 emulator.
+
+   Copyright (C) 2006  Ian Cowburn <ianc@noddybox.co.uk>
+   
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+  
+   $Id: touchwrap.c 75 2010-11-19 14:52:49Z ianc $
+*/
+
+#include <nds.h>
+#include <stdlib.h>
+
+#include "touchwrap.h"
+#include "config.h"
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+int AllowTouch(touchPosition *tp)
+{
+    static touchPosition last;
+    int16 dx;
+    int16 dy;
+    int res;
+
+    touchRead(tp);
+
+    if (DS81_Config[DS81_AVERAGE_TOUCHSCREEN])
+    {
+	dx = last.px - tp->px;
+	dy = last.py - tp->py;
+
+	res = (abs(dx) < 5 && abs(dy) < 5);
+    }
+    else
+    {
+    	res = TRUE;
+    }
+
+    last = *tp;
+
+    return res;
+}
-- 
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