mirror of
https://github.com/libretro/scummvm.git
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97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Dreamcast port
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* Copyright (C) 2002-2004 Marcus Comstedt
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#define RONIN_TIMER_ACCESS
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#include <common/stdafx.h>
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#include <common/scummsys.h>
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#include "dc.h"
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uint32 OSystem_Dreamcast::getMillis()
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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)*100000U)>>11;
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while(((int)((t = Timer())-start))<time)
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checkSound();
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getMillis();
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}
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void OSystem_Dreamcast::setTimerCallback(TimerProc callback, int timer)
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{
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if (callback != NULL) {
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_timer_duration = timer;
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_timer_next_expiry = Timer() + USEC_TO_TIMER(1000*timer);
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_timer_callback = callback;
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_timer_active = true;
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} else {
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_timer_active = false;
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}
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}
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/*
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void waitForTimer(Scumm *s, int time)
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{
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if(time<0)
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return;
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unsigned int start = Timer();
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unsigned int devpoll = start+USEC_TO_TIMER(25000);
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unsigned int t;
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int oldmousex = s->mouse.x, oldmousey = s->mouse.y;
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time = (((unsigned int)time)*100000U)>>11;
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int mask = getimask();
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while(((int)((t = Timer())-start))<time)
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if(((int)(t-devpoll))>0) {
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setimask(15);
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checkSound();
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handleInput(locked_get_pads(), s->mouse.x, s->mouse.y,
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s->_leftBtnPressed, s->_rightBtnPressed, s->_keyPressed);
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setimask(mask);
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devpoll += USEC_TO_TIMER(17000);
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if(s->mouse.x != oldmousex || s->mouse.y != oldmousey) {
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extern void updateScreen(Scumm *s);
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updateScreen(s);
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oldmousex = s->mouse.x;
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oldmousey = s->mouse.y;
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}
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}
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}
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*/
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