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/*
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.
$Id$
*/
#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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