55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#define RONIN_TIMER_ACCESS
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#include <common/scummsys.h>
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#include "dc.h"
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uint32 OSystem_Dreamcast::getMillis(bool skipRecord)
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{
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static uint32 msecs=0;
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static unsigned int t0=0;
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unsigned int t = Timer();
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unsigned int dm, dt = t - t0;
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t0 = t;
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dm = (dt << 6)/3125U;
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dt -= (dm * 3125U)>>6;
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t0 -= dt;
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return msecs += dm;
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}
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void OSystem_Dreamcast::delayMillis(uint msecs)
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{
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getMillis();
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unsigned int t, start = Timer();
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int time = (((unsigned int)msecs)*3125U)>>6;
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while (((int)((t = Timer())-start))<time) {
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if (_timerManager != NULL)
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((DefaultTimerManager *)_timerManager)->handler();
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checkSound();
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}
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getMillis();
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}
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