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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#define RONIN_TIMER_ACCESS
#include <common/scummsys.h>
#include "dc.h"
uint32 OSystem_Dreamcast::getMillis()
{
static uint32 msecs=0;
static unsigned int t0=0;
unsigned int t = Timer();
unsigned int dm, dt = t - t0;
t0 = t;
dm = (dt << 6)/3125U;
dt -= (dm * 3125U)>>6;
t0 -= dt;
return msecs += dm;
}
void OSystem_Dreamcast::delayMillis(uint msecs)
{
getMillis();
unsigned int t, start = Timer();
int time = (((unsigned int)msecs)*3125U)>>6;
while (((int)((t = Timer())-start))<time) {
if (_timerManager != NULL)
((DefaultTimerManager *)_timerManager)->handler();
checkSound();
}
getMillis();
}
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