1 files changed, 55 insertions, 0 deletions

diff --git a/apps/plugins/zxbox/sptiming.c b/apps/plugins/zxbox/sptiming.c
new file mode 100644
index 0000000000..e039cf4b2d
--- /dev/null
+++ b/apps/plugins/zxbox/sptiming.c
@@ -0,0 +1,55 @@
+/* 
+ * Copyright (C) 1996-1998 Szeredi Miklos 2006 Anton Romanov
+ * Email: mszeredi@inf.bme.hu
+ *
+ * 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. See the file COPYING. 
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "zxconfig.h"
+
+#include "sptiming.h"
+#include "interf.h"
+/* not precise but .... anyway this is used only when not playing
+ * sound ... */
+long shouldbe_tick;
+
+void spti_init(void){
+        spti_reset();
+}
+void spti_sleep(unsigned long usecs){
+/*      unsigned long now,need;
+        now = *rb->current_tick;
+        need = now + usecs;
+        rb -> sleep ( need - now );*/
+    rb->sleep ( usecs );
+}
+void spti_reset(void){
+        shouldbe_tick = *rb -> current_tick;
+}
+void spti_wait(void){
+        long rem;
+        long now;
+        
+        now = *rb -> current_tick;
+    shouldbe_tick+=SKIPTICKS;
+        rem = shouldbe_tick - now;
+
+        if(rem > 0) {
+                if(rem > SKIPTICKS) rem = SKIPTICKS;
+                        spti_sleep((unsigned long) rem);
+        }
+    if(rem == SKIPTICKS || rem < -10 * SKIPTIME) spti_reset();
+}