1 files changed, 134 insertions, 0 deletions

diff --git a/apps/plugins/doom/i_system.c b/apps/plugins/doom/i_system.c
new file mode 100644
index 0000000000..1e564054f8
--- /dev/null
+++ b/apps/plugins/doom/i_system.c
@@ -0,0 +1,134 @@
+// Emacs style mode select   -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// $Id$
+//
+// Copyright (C) 1993-1996 by id Software, Inc.
+//
+// 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.
+//
+// $Log$
+// Revision 1.1  2006/03/28 15:44:01  dave
+// Patch #2969 - Doom!  Currently only working on the H300.
+//
+//
+// DESCRIPTION:
+//
+//-----------------------------------------------------------------------------
+
+#include "doomdef.h"
+#include "m_misc.h"
+#include "i_video.h"
+#include "i_sound.h"
+
+#include "d_net.h"
+#include "g_game.h"
+#include "z_zone.h"
+
+#ifdef __GNUG__
+#pragma implementation "i_system.h"
+#endif
+#include "i_system.h"
+
+#include "rockmacros.h"
+
+//
+// I_GetTime
+// returns time in 1/35th second tics
+//
+#if (CONFIG_CPU != PP5020)
+volatile unsigned int doomtimer=0;
+
+void doomtime(void)
+{
+   doomtimer++;
+}
+#endif
+
+int  I_GetTime (void)
+{
+#ifdef SIMULATOR
+#if HZ==100
+   return ((7*(*rb->current_tick))/20);
+#else
+   #error FIX - I assumed HZ was 100
+#endif
+#else
+#if (CONFIG_CPU == PP5020)
+   return (USEC_TIMER * 7)/200000;
+#else
+   return doomtimer; 
+#endif
+#endif
+}
+
+//
+// I_Init
+//
+
+// I was looking into this and comparing the speed versus Prboom
+// Turns out they are running the game much slower then I thought the game was
+// played.  This explains why run was unusable other then through straight stretches
+// The game is much slower now (in terms of game speed).
+void I_Init (void)
+{
+#if (CONFIG_CPU != PP5020) && !defined(SIMULATOR)
+   rb->timer_register(1, NULL, CPU_FREQ/TICRATE, 1, doomtime);
+#endif
+   I_InitSound();
+}
+
+//
+// I_Quit
+//
+extern boolean doomexit;
+void I_Quit (void)
+{
+   I_ShutdownSound();
+   I_ShutdownMusic();
+   I_ShutdownGraphics();
+#if (CONFIG_CPU != PP5020) && !defined(SIMULATOR)
+   rb->timer_unregister();
+#endif
+   doomexit=1;
+}
+
+void I_WaitVBL(int count)
+{
+   rb->sleep(count);
+}
+
+//
+// I_Error
+//
+extern boolean demorecording;
+
+void I_Error (char *error, ...)
+{
+   char p_buf[50];
+   va_list ap;
+
+   va_start(ap, error);
+   vsnprintf(p_buf,sizeof(p_buf), error, ap);
+   va_end(ap);
+
+   printf("%s",p_buf);
+
+   // Shutdown. Here might be other errors.
+   if (demorecording)
+      G_CheckDemoStatus();
+/*
+   I_ShutdownGraphics();
+*/
+
+   I_Quit();
+   rb->sleep(HZ*2);
+}