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- /*
- Copyright (C) 1996-1997 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.
-
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
-
- const char amigaversion[] = "$VER: WarpQuake 0.4 (26.1.100)\n";
-
- #include <stdio.h>
- #include <stdlib.h>
-
- #include <utility/tagitem.h>
- #include <exec/exec.h>
- #include <exec/types.h>
- #include <dos/exall.h>
- #include <dos/dos.h>
- #include <powerup/ppcproto/dos.h>
- #include <powerup/ppcproto/exec.h>
- #include <powerpc/powerpc.h>
- #include <powerpc/powerpc_protos.h>
-
- #include "quakedef.h"
- #include "errno.h"
-
- #include "amiga_timer.h"
-
- qboolean isDedicated = FALSE;
-
- static int cpu_type;
- static int bus_clock;
- static int bus_MHz;
- static double clocks2secs;
-
- extern struct Mode_Screen *msptr;
-
- void File_Shutdown (void);
-
- /*
- ===============================================================================
-
- FILE IO
-
- ===============================================================================
- */
-
- #define MAX_HANDLES 10
- BPTR sys_handles[MAX_HANDLES];
-
- int findhandle (void)
- {
- int i;
-
- for (i=1 ; i<MAX_HANDLES ; i++)
- if (!sys_handles[i])
- return i;
- Sys_Error ("out of handles");
- return -1;
- }
-
- /*
- ================
- filelength
- ================
- */
- int filelength (BPTR f)
- {
- LONG pos;
- LONG end;
-
- pos = Seek (f, 0, OFFSET_END);
- end = Seek (f, pos, OFFSET_BEGINNING);
-
- return (int) end;
- }
-
- int Sys_FileOpenRead (char *path, int *hndl)
- {
- BPTR f;
- int i;
-
- i = findhandle ();
-
- printf ("Opening '%s' for read\n", path);
- f = Open(path, MODE_OLDFILE);
- if (!f)
- {
- *hndl = -1;
- return -1;
- }
- sys_handles[i] = f;
- *hndl = i;
-
- return filelength(f);
- }
-
- int Sys_FileOpenWrite (char *path)
- {
- BPTR f;
- int i;
-
- i = findhandle ();
-
- printf ("Opening '%s' for write\n", path);
- f = Open(path, MODE_NEWFILE);
- if (!f)
- Sys_Error ("Error opening %s: %s", path,strerror(errno));
- sys_handles[i] = f;
-
- return i;
- }
-
- void Sys_FileClose (int handle)
- {
- // printf("Sys_FileClose() %i\n", handle);
- Close (sys_handles[handle]);
- sys_handles[handle] = NULL;
- }
-
- void Sys_FileSeek (int handle, int position)
- {
- /* printf ("%d: Seeking to %d\n", handle, position); */
- if (Seek (sys_handles[handle], position, OFFSET_BEGINNING) == -1)
- Sys_Error ("Error in Seek()");
- }
-
- int Sys_FileRead (int handle, void *dest, int count)
- {
- /* printf ("%d: Reading %d to %08x\n", handle, count, dest); */
- return (int)Read (sys_handles[handle], dest, count);
- }
-
- int Sys_FileWrite (int handle, void *data, int count)
- {
- return (int)Write (sys_handles[handle], data, count);
- }
-
- int Sys_FileTime (char *path)
- {
- BPTR f;
-
- f = Open(path, MODE_OLDFILE);
- if (f)
- {
- Close(f);
- return 1;
- }
-
- return -1;
- }
-
- void Sys_mkdir (char *path)
- {
- }
-
-
- /*
- ===============================================================================
-
- SYSTEM IO
-
- ===============================================================================
- */
-
- void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
- {
- }
-
-
- void Sys_DebugLog(char *file, char *fmt, ...)
- {
- }
-
- void Sys_Error (char *error, ...)
- {
- va_list argptr;
-
- printf ("Sys_Error: ");
- va_start (argptr,error);
- vprintf (error,argptr);
- va_end (argptr);
- printf ("\n");
-
- Host_Shutdown();
- File_Shutdown();
- exit (20);
- }
-
- void Sys_Printf (char *fmt, ...)
- {
- va_list argptr;
-
- va_start (argptr,fmt);
- if (!con_initialized)
- vprintf (fmt,argptr);
- va_end (argptr);
- }
-
- void Sys_Quit (void)
- {
- Host_Shutdown();
- File_Shutdown();
- exit (0);
- }
-
- void File_Shutdown (void)
- {
- int i;
-
- for (i=1; i<MAX_HANDLES ; i++)
- {
- if (sys_handles[i])
- Sys_FileClose (i);
- }
- }
-
- double Sys_FloatTime (void)
- {
- unsigned int clock[2];
-
- ppctimer (clock);
- return (((double)clock[0]) * 4294967296.0 + (double)clock[1]) *
- clocks2secs;
- }
-
- char *Sys_ConsoleInput (void)
- {
- return NULL;
- }
-
- void Sys_Sleep (void)
- {
- }
-
- /*
- void Sys_SendKeyEvents (void)
- {
- }
- */
-
- void Sys_HighFPPrecision (void)
- {
- }
-
- void Sys_LowFPPrecision (void)
- {
- }
-
- //=============================================================================
-
- int main (int argc, char **argv)
- {
- int j;
- int bat;
- double time, oldtime, newtime;
- quakeparms_t parms;
-
- msptr = NULL;
-
- memset (&parms, 0, sizeof(parms));
-
- COM_InitArgv (argc, argv);
-
- parms.memsize = 8*1024*1024;
- j = COM_CheckParm("-mem");
- if (j)
- parms.memsize = (int) (Q_atof(com_argv[j+1]) * 1024 * 1024);
- if ((parms.membase = malloc (parms.memsize)) == NULL)
- Sys_Error ("Can't allocate %d bytes", parms.memsize);
- parms.basedir = "PROGDIR:";
- parms.cachedir = "";
-
- parms.argc = com_argc;
- parms.argv = com_argv;
-
- bat = COM_CheckParm("-bat");
- if (bat)
- ChangeMMU (CHMMU_BAT);
-
- {
- struct TagItem ti_cputype = {GETINFO_CPU, 0};
- struct TagItem ti_cpuclock = {GETINFO_CPUCLOCK, 0};
- struct TagItem ti_busclock = {GETINFO_BUSCLOCK, 0};
-
- GetInfo (&ti_cputype);
- cpu_type = ti_cputype.ti_Data;
- switch (cpu_type) {
- case CPUF_603:
- printf ("\nCPU is PPC603 ");
- break;
- case CPUF_604:
- printf ("\nCPU is PPC604 ");
- break;
- case CPUF_603E:
- printf ("\nCPU is PPC603e ");
- break;
- case CPUF_604E:
- printf ("\nCPU is PPC604e ");
- break;
- case CPUF_620:
- printf ("\nCPU is PPC620 ");
- break;
- default:
- printf ("\nCPU is PPC ");
- break;
- }
-
- GetInfo (&ti_cpuclock);
- bus_clock = ti_cpuclock.ti_Data;
- printf ("running at %d MHz\n", bus_clock / 1000000);
-
- GetInfo (&ti_busclock);
- bus_clock = ti_busclock.ti_Data;
- bus_MHz = bus_clock / 1000000;
- printf("Bus clock is %d MHz.\n\n", bus_MHz);
-
- clocks2secs = 4.0 / bus_clock;
-
- }
-
- // printf ("Host_Init\n");
- Host_Init (&parms);
-
- Host_Frame (0.1);
-
- oldtime = Sys_FloatTime ();
- while (1)
- {
- newtime = Sys_FloatTime ();
- time = newtime - oldtime;
-
- if (time < 0.0)
- printf ("Negative time = %f!!\n", time);
-
- if (cls.state == ca_dedicated && (time<sys_ticrate.value))
- continue;
-
- Host_Frame ((float)time);
-
- oldtime = newtime;
- }
- }
-
- /**********************************************************************/
-