summaryrefslogtreecommitdiff
path: root/arm9/source/touchwrap.c
diff options
context:
space:
mode:
Diffstat (limited to 'arm9/source/touchwrap.c')
-rw-r--r--arm9/source/touchwrap.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/arm9/source/touchwrap.c b/arm9/source/touchwrap.c
new file mode 100644
index 0000000..0115f77
--- /dev/null
+++ b/arm9/source/touchwrap.c
@@ -0,0 +1,55 @@
+/*
+ ds48 - Nintendo DS ZX Spectrum emulator.
+
+ Copyright (C) 2007 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;
+
+ *tp = touchReadXY();
+
+ if (DS48_Config[DS48_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;
+}