51db2d3f2c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9418 a1c6a512-1295-4272-9138-f99709370657
137 lines
3 KiB
C
137 lines
3 KiB
C
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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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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//
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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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// $Log$
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// Revision 1.2 2006/04/02 01:52:44 kkurbjun
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// Update adds prboom's high resolution support, also makes the scaling for platforms w/ resolution less then 320x200 much nicer. IDoom's lookup table code has been removed. Also fixed a pallete bug. Some graphic errors are present in menu and status bar. Also updates some headers and output formatting.
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//
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// Revision 1.1 2006-03-28 15:44:01 dave
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// Patch #2969 - Doom! Currently only working on the H300.
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//
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//
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// DESCRIPTION:
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//
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//-----------------------------------------------------------------------------
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#include "doomdef.h"
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#include "m_misc.h"
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#include "i_video.h"
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#include "i_sound.h"
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#include "d_net.h"
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#include "g_game.h"
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#include "z_zone.h"
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#ifdef __GNUG__
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#pragma implementation "i_system.h"
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#endif
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#include "i_system.h"
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#include "rockmacros.h"
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//
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// I_GetTime
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// returns time in 1/35th second tics
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//
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#if (CONFIG_CPU != PP5020)
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volatile unsigned int doomtimer=0;
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void doomtime(void)
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{
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doomtimer++;
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}
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#endif
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int I_GetTime (void)
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{
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#ifdef SIMULATOR
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#if HZ==100
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return ((7*(*rb->current_tick))/20);
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#else
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#error FIX - I assumed HZ was 100
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#endif
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#else
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#if (CONFIG_CPU == PP5020)
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return (USEC_TIMER * 7)/200000;
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#else
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return doomtimer;
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#endif
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#endif
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}
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//
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// I_Init
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//
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// I was looking into this and comparing the speed versus Prboom
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// Turns out they are running the game much slower then I thought the game was
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// played. This explains why run was unusable other then through straight stretches
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// The game is much slower now (in terms of game speed).
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void I_Init (void)
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{
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#if (CONFIG_CPU != PP5020) && !defined(SIMULATOR)
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rb->timer_register(1, NULL, CPU_FREQ/TICRATE, 1, doomtime);
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#endif
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I_InitSound();
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}
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//
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// I_Quit
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//
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extern boolean doomexit;
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void I_Quit (void)
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{
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I_ShutdownSound();
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I_ShutdownMusic();
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I_ShutdownGraphics();
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#if (CONFIG_CPU != PP5020) && !defined(SIMULATOR)
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rb->timer_unregister();
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#endif
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doomexit=1;
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}
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void I_WaitVBL(int count)
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{
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rb->sleep(count);
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}
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//
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// I_Error
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//
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extern boolean demorecording;
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void I_Error (char *error, ...)
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{
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char p_buf[50];
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va_list ap;
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va_start(ap, error);
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vsnprintf(p_buf,sizeof(p_buf), error, ap);
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va_end(ap);
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printf("%s\n",p_buf);
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// Shutdown. Here might be other errors.
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if (demorecording)
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G_CheckDemoStatus();
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/*
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I_ShutdownGraphics();
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*/
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I_Quit();
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rb->sleep(HZ*2);
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}
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