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- /*
- Copyright (C) 2000 Peter McGavin.
-
- 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.
-
- */
-
- /* the SAS/C __AMIGADATE__ macro appears to have broken from 1st Jan 2000 */
- #ifdef __PPC__
- #ifdef __STORM__
- const char amigaversion[] = "$VER: awinquakewos 0.9 (12.3.100)\n";
- #elif __VBCC__
- const char amigaversion[] = "$VER: awinquakevbcc 0.9 (12.3.100)\n"; // __AMIGADATE__ ;
- #else
- const char amigaversion[] = "$VER: awinquakeppc 0.9 (12.3.100)\n"; // __AMIGADATE__ ;
- #endif
- #else
- const char amigaversion[] = "$VER: awinquake 0.9 (12.3.100)\n"; // __AMIGADATE__ ;
- #endif
-
- #ifdef __SASC
- //long __oslibversion = 38; /* we require at least OS3.0 for LoadRGB32() */
- //char __stdiowin[] = "CON:20/50/600/130/awinquake";
- //char __stdiov37[] = "/AUTO/CLOSE/WAIT";
- //long __stack = 500000; /* increase stack size to at least 500000 bytes */
- #endif
-
- #include <stdio.h>
- #include <stdlib.h>
-
- #ifdef __SASC
- #include <dos.h>
- #endif
-
- #ifndef __PPC__
- #include <time.h>
- #endif
-
- #ifdef __PPC__
- #include <exec/types.h>
- #if defined(__STORM__) || defined(__VBCC__)
- #include <powerpc/powerpc.h>
- #include <clib/exec_protos.h>
- #include <clib/powerpc_protos.h>
- #endif
- #ifdef __SASC
- #include <PowerUP/ppclib/ppc.h>
- #include <proto/exec.h>
- #endif
- #endif
-
- #include "quakedef.h"
- #include "errno.h"
-
- #ifdef __PPC__
- #include "amiga_timer.h"
- #endif
-
- qboolean isDedicated = FALSE;
-
- #ifdef __PPC__
- static int cpu_type;
- static int bus_clock;
- static int bus_MHz;
- static double clocks2secs;
- #endif
-
- /*
- ===============================================================================
-
- FILE IO
-
- ===============================================================================
- */
-
- #define MAX_HANDLES 10
- FILE *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 (FILE *f)
- {
- int pos;
- int end;
-
- pos = ftell (f);
- fseek (f, 0, SEEK_END);
- end = ftell (f);
- fseek (f, pos, SEEK_SET);
-
- return end;
- }
-
- int Sys_FileOpenRead (char *path, int *hndl)
- {
- FILE *f;
- int i;
-
- i = findhandle ();
-
- printf ("Opening '%s' for read\n", path);
- f = fopen(path, "rb");
- if (!f)
- {
- *hndl = -1;
- return -1;
- }
- sys_handles[i] = f;
- *hndl = i;
-
- return filelength(f);
- }
-
- int Sys_FileOpenWrite (char *path)
- {
- FILE *f;
- int i;
-
- i = findhandle ();
-
- printf ("Opening '%s' for write\n", path);
- f = fopen(path, "wb");
- if (!f)
- Sys_Error ("Error opening %s: %s", path,strerror(errno));
- sys_handles[i] = f;
-
- return i;
- }
-
- void Sys_FileClose (int handle)
- {
- fclose (sys_handles[handle]);
- sys_handles[handle] = NULL;
- }
-
- void Sys_FileSeek (int handle, int position)
- {
- /* printf ("%d: Seeking to %d\n", handle, position); */
- if (fseek (sys_handles[handle], position, SEEK_SET) == -1)
- Sys_Error ("Error in fseek()");
- }
-
- int Sys_FileRead (int handle, void *dest, int count)
- {
- /* printf ("%d: Reading %d to %08x\n", handle, count, dest); */
- return (int)fread (dest, 1, count, sys_handles[handle]);
- }
-
- int Sys_FileWrite (int handle, void *data, int count)
- {
- return (int)fwrite (data, 1, count, sys_handles[handle]);
- }
-
- int Sys_FileTime (char *path)
- {
- FILE *f;
-
- f = fopen(path, "rb");
- if (f)
- {
- fclose(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");
-
- 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)
- {
- exit (0);
- }
-
- double Sys_FloatTime (void)
- {
- #ifndef __PPC__
- static unsigned int basetime=0;
- unsigned int clock[2];
-
- timer (clock);
- if (!basetime)
- basetime = clock[0];
- return (clock[0]-basetime) + clock[1] / 1000000.0;
- #else
- unsigned int clock[2];
-
- ppctimer (clock);
- #ifdef __VBCC__ /* work around bug in VBCC */
- return (((double)clock[0]) * (2147483648.0 + 2147483648.0) +
- (double)clock[1]) * clocks2secs;
- #else
- return (((double)clock[0]) * 4294967296.0 + (double)clock[1]) *
- clocks2secs;
- #endif
- #endif
- }
-
- 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;
- double time, oldtime, newtime;
- quakeparms_t parms;
-
- // printf ("Stack size is %d\n", stacksize());
-
- 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 = "QUAKE:";
- // parms.basedir = "";
- parms.basedir = "PROGDIR:";
- parms.cachedir = "";
-
- parms.argc = com_argc;
- parms.argv = com_argv;
-
- #ifdef __PPC__
-
- #ifdef __SASC
- {
- int i;
- ULONG ipll, ipll2;
- double pll;
-
- cpu_type = PPCGetAttr (PPCINFOTAG_CPU);
- switch (cpu_type) {
- case 3:
- printf ("\nCPU is PPC603 ");
- break;
- case 4:
- printf ("\nCPU is PPC604 ");
- break;
- case 5:
- printf ("\nCPU is PPC602 ");
- break;
- case 6:
- printf ("\nCPU is PPC603e ");
- break;
- case 7:
- printf ("\nCPU is PPC603e+ ");
- break;
- case 9:
- printf ("\nCPU is PPC604e ");
- break;
- default:
- printf ("\nCPU is PPC ");
- break;
- }
-
- bus_clock = PPCGetAttr (PPCINFOTAG_CPUCLOCK);
- printf ("running at %d MHz ", bus_clock);
- if (!bus_clock)
- bus_clock = 233333333;
- else
- bus_clock = bus_clock * 1000000;
- ipll = PPCGetAttr (PPCINFOTAG_CPUPLL);
- if ((ipll & 0xf0000000) && !(ipll & 0x0ffffff0))
- ipll2 = ipll >> 28; /* work around bug in ppc.library */
- else
- ipll2 = ipll & 0x0000000f;
- switch (ipll2) { /* see http://mx1.xoom.com/silicon/docs/ppc_pll.html */
- case 0:
- case 1:
- case 2:
- case 3:
- pll = 1.0; // PLL is 1:1 (or bypassed)
- break;
- case 4:
- case 5:
- pll = 2.0; // PLL is 2:1
- break;
- case 6:
- pll = 2.5;
- break;
- case 7:
- pll = 4.5;
- break;
- case 8:
- case 9:
- pll = 3.0; // PLL is 3:1
- break;
- case 10:
- pll = 4.0;
- break;
- case 11:
- pll = 5.0;
- break;
- case 12:
- if ((cpu_type == 4) || (cpu_type == 8))
- pll = 1.5; // PLL is 1.5:1
- else
- pll = 4.0; // PLL is 4:1
- break;
- case 13:
- pll = 6.0; // PLL is 6:1
- break;
- case 14:
- pll = 3.5; // PLL is 3.5:1
- break;
- default:
- pll = 3.0;
- break;
- }
- printf ("using a PLL divisor of %3.1f. (%08x)\n", pll, ipll);
-
- i = COM_CheckParm ("-bus");
- if (i && i < com_argc-1) {
- bus_clock = atoi(com_argv[i+1]);
- } else {
- bus_clock = (int)((double)bus_clock / pll);
- }
-
- bus_MHz = bus_clock / 1000000;
- printf("Bus clock is %d MHz.\n\n", bus_MHz);
-
- clocks2secs = 4.0 / bus_clock;
- }
- #endif /* __SASC */
-
- #if defined(__STORM__) || defined(__VBCC__)
- {
- struct TagItem ti_cputype[] = {{GETINFO_CPU, 0}, {TAG_END, 0}};
- struct TagItem ti_cpuclock[] = {{GETINFO_CPUCLOCK, 0}, {TAG_END, 0}};
- struct TagItem ti_busclock[] = {{GETINFO_BUSCLOCK, 0}, {TAG_END, 0}};
-
- GetInfo (ti_cputype);
- cpu_type = ti_cputype[0].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[0].ti_Data;
- printf ("running at %d MHz\n", bus_clock / 1000000);
-
- GetInfo (ti_busclock);
- bus_clock = ti_busclock[0].ti_Data;
- bus_MHz = bus_clock / 1000000;
- printf("Bus clock is %d MHz.\n\n", bus_MHz);
-
- clocks2secs = 4.0 / bus_clock;
-
- }
-
- #endif /* __STORM__ */
-
- #endif /* __PPC__ */
-
- // printf ("Host_Init\n");
- Host_Init (&parms);
-
- // while (1)
- // {
- // Host_Frame ((float)0.1);
- // }
-
- oldtime = Sys_FloatTime ();
- while (1)
- {
- #ifdef __SASC
- chkabort ();
- #endif
- 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;
- }
- return 0;
- }
-
- /**********************************************************************/
- #ifdef __SASC
- void _STD_Host_Shutdown (void)
- {
- // printf ("_STD_Host_Shutdown\n");
- S_Shutdown();
- Host_Shutdown ();
- }
- #endif
-
- /**********************************************************************/
- #ifdef __STORM__
- void EXIT_9_Host_Shutdown (void)
- {
- // printf ("EXIT_9_Host_Shutdown\n");
- S_Shutdown();
- Host_Shutdown ();
- }
- #endif
-
- /**********************************************************************/
- #ifdef __VBCC__
- void _EXIT_9_Host_Shutdown (void)
- {
- // printf ("_EXIT_9_Host_Shutdown\n");
- S_Shutdown();
- Host_Shutdown ();
- }
- #endif
-
- /**********************************************************************/
-