gp2x/main.c

   1 // (c) Copyright 2006 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <string.h>\r
   8 #include <unistd.h>\r
   9 #include <strings.h>\r
  10 #include <linux/limits.h>\r
  11 \r
  12 #include "gp2x.h"\r
  13 #include "menu.h"\r
  14 #include "emu.h"\r
  15 #include "version.h"\r
  16 \r
  17 #include "squidgehack.h"\r
  18 #include "cpuctrl.h"\r
  19 \r
  20 \r
  21 extern char *ext_menu, *ext_state;\r
  22 extern int select_exits;\r
  23 extern char *PicoConfigFile;\r
  24 int mmuhack_status = 0;\r
  25 char **g_argv;\r
  26 \r
  27 void parse_cmd_line(int argc, char *argv[])\r
  28 {\r
  29         int x, unrecognized = 0;\r
  30 \r
  31         for(x = 1; x < argc; x++)\r
  32         {\r
  33                 if(argv[x][0] == '-')\r
  34                 {\r
  35                         if(strcasecmp(argv[x], "-menu") == 0) {\r
  36                                 if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */\r
  37                         }\r
  38                         else if(strcasecmp(argv[x], "-state") == 0) {\r
  39                                 if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */\r
  40                         }\r
  41                         else if(strcasecmp(argv[x], "-config") == 0) {\r
  42                                 if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  43                         }\r
  44                         else if(strcasecmp(argv[x], "-selectexit") == 0) {\r
  45                                 select_exits = 1;\r
  46                         }\r
  47                         else {\r
  48                                 unrecognized = 1;\r
  49                                 break;\r
  50                         }\r
  51                 } else {\r
  52                         /* External Frontend: ROM Name */\r
  53                         FILE *f;\r
  54                         strncpy(romFileName, argv[x], PATH_MAX);\r
  55                         romFileName[PATH_MAX-1] = 0;\r
  56                         f = fopen(romFileName, "rb");\r
  57                         if (f) fclose(f);\r
  58                         else unrecognized = 1;\r
  59                         engineState = PGS_ReloadRom;\r
  60                         break;\r
  61                 }\r
  62         }\r
  63 \r
  64         if (unrecognized) {\r
  65                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006\n");\r
  66                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  67                 printf( "options:\n"\r
  68                                 "-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"\r
  69                                 "-state <param>    pass '-state param' to the menu program\n"\r
  70                                 "-config <file>    use specified config file instead of default 'picoconfig.bin'\n"\r
  71                                 "                  see currentConfig_t structure in emu.h for the file format\n"\r
  72                                 "-selectexit       pressing SELECT will exit the emu and start 'menu_path'\n");\r
  73         }\r
  74 }\r
  75 \r
  76 \r
  77 int main(int argc, char *argv[])\r
  78 {\r
  79         g_argv = argv;\r
  80 \r
  81         emu_ReadConfig(0);\r
  82         gp2x_init();\r
  83         if (currentConfig.EmuOpt&0x10) {\r
  84                 int ret = mmuhack();\r
  85                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);\r
  86                 mmuhack_status = ret;\r
  87         }\r
  88         cpuctrl_init();\r
  89         // Reset940(1);\r
  90         // Pause940(1);\r
  91         if (currentConfig.EmuOpt&0x100) {\r
  92                 printf("setting RAM timings.. "); fflush(stdout);\r
  93                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2\r
  94                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);\r
  95                 printf("done.\n"); fflush(stdout);\r
  96         }\r
  97         emu_Init();\r
  98 \r
  99         engineState = PGS_Menu;\r
 100 \r
 101         if (argc > 1)\r
 102                 parse_cmd_line(argc, argv);\r
 103 \r
 104         for (;;)\r
 105         {\r
 106                 switch (engineState)\r
 107                 {\r
 108                         case PGS_Menu:\r
 109                                 menu_loop();\r
 110                                 break;\r
 111 \r
 112                         case PGS_ReloadRom:\r
 113                                 if (emu_ReloadRom())\r
 114                                         engineState = PGS_Running;\r
 115                                 else {\r
 116                                         printf("PGS_ReloadRom == 0\n");\r
 117                                         engineState = PGS_Menu;\r
 118                                 }\r
 119                                 break;\r
 120 \r
 121                         case PGS_Running:\r
 122                                 emu_Loop();\r
 123                                 break;\r
 124 \r
 125                         case PGS_Quit:\r
 126                                 goto endloop;\r
 127 \r
 128                         default:\r
 129                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 130                                 goto endloop;\r
 131                 }\r
 132         }\r
 133 \r
 134         endloop:\r
 135 \r
 136         emu_Deinit();\r
 137         cpuctrl_deinit();\r
 138         gp2x_deinit();\r
 139         if(mmuhack_status)\r
 140                 mmuunhack();\r
 141 \r
 142         return 0;\r
 143 }\r