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/* ScummVM - Scumm Interpreter
* Dreamcast port
* Copyright (C) 2002-2004 Marcus Comstedt
*
* 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.
*
* $Header$
*
*/
#define RONIN_TIMER_ACCESS
#include <common/stdafx.h>
#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)*100000U)>>11;
while(((int)((t = Timer())-start))<time)
checkSound();
getMillis();
}
void OSystem_Dreamcast::setTimerCallback(TimerProc callback, int timer)
{
if (callback != NULL) {
_timer_duration = timer;
_timer_next_expiry = Timer() + USEC_TO_TIMER(1000*timer);
_timer_callback = callback;
_timer_active = true;
} else {
_timer_active = false;
}
}
/*
void waitForTimer(Scumm *s, int time)
{
if(time<0)
return;
unsigned int start = Timer();
unsigned int devpoll = start+USEC_TO_TIMER(25000);
unsigned int t;
int oldmousex = s->mouse.x, oldmousey = s->mouse.y;
time = (((unsigned int)time)*100000U)>>11;
int mask = getimask();
while(((int)((t = Timer())-start))<time)
if(((int)(t-devpoll))>0) {
setimask(15);
checkSound();
handleInput(locked_get_pads(), s->mouse.x, s->mouse.y,
s->_leftBtnPressed, s->_rightBtnPressed, s->_keyPressed);
setimask(mask);
devpoll += USEC_TO_TIMER(17000);
if(s->mouse.x != oldmousex || s->mouse.y != oldmousey) {
extern void updateScreen(Scumm *s);
updateScreen(s);
oldmousex = s->mouse.x;
oldmousey = s->mouse.y;
}
}
}
*/
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