gp2x/main.c

   1 // (c) Copyright 2006-2009 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 <stdlib.h>\r
   8 #include <string.h>\r
   9 #include <strings.h>\r
  10 \r
  11 #include "../common/menu.h"\r
  12 #include "../common/emu.h"\r
  13 #include "../common/config.h"\r
  14 #include "../common/input.h"\r
  15 #include "../common/plat.h"\r
  16 #include "emu.h"\r
  17 #include "version.h"\r
  18 \r
  19 \r
  20 extern char *PicoConfigFile;\r
  21 static int load_state_slot = -1;\r
  22 char **g_argv;\r
  23 \r
  24 void parse_cmd_line(int argc, char *argv[])\r
  25 {\r
  26         int x, unrecognized = 0;\r
  27 \r
  28         for (x = 1; x < argc; x++)\r
  29         {\r
  30                 if (argv[x][0] == '-')\r
  31                 {\r
  32                         if (strcasecmp(argv[x], "-config") == 0) {\r
  33                                 if (x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  34                         }\r
  35                         else if (strcasecmp(argv[x], "-loadstate") == 0) {\r
  36                                 if (x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }\r
  37                         }\r
  38                         else {\r
  39                                 unrecognized = 1;\r
  40                                 break;\r
  41                         }\r
  42                 } else {\r
  43                         /* External Frontend: ROM Name */\r
  44                         FILE *f;\r
  45                         strncpy(rom_fname_reload, argv[x], sizeof(rom_fname_reload));\r
  46                         rom_fname_reload[sizeof(rom_fname_reload) - 1] = 0;\r
  47                         f = fopen(rom_fname_reload, "rb");\r
  48                         if (f) fclose(f);\r
  49                         else unrecognized = 1;\r
  50                         engineState = PGS_ReloadRom;\r
  51                         break;\r
  52                 }\r
  53         }\r
  54 \r
  55         if (unrecognized) {\r
  56                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2009\n");\r
  57                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  58                 printf("options:\n"\r
  59                         " -config <file>    use specified config file instead of default 'config.cfg'\n"\r
  60                         " -loadstate <num>  if ROM is specified, try loading slot <num>\n");\r
  61         }\r
  62 }\r
  63 \r
  64 \r
  65 int main(int argc, char *argv[])\r
  66 {\r
  67         g_argv = argv;\r
  68 \r
  69         plat_early_init();\r
  70 \r
  71         /* in_init() must go before config, config accesses in_ fwk */\r
  72         in_init();\r
  73         emu_prepareDefaultConfig();\r
  74         emu_ReadConfig(0, 0);\r
  75         config_readlrom(PicoConfigFile);\r
  76 \r
  77         plat_init();\r
  78         in_probe();\r
  79         in_debug_dump();\r
  80 \r
  81         emu_Init();\r
  82         menu_init();\r
  83 \r
  84         engineState = PGS_Menu;\r
  85 \r
  86         if (argc > 1)\r
  87                 parse_cmd_line(argc, argv);\r
  88 \r
  89         if (engineState == PGS_ReloadRom)\r
  90         {\r
  91                 if (emu_ReloadRom(rom_fname_reload)) {\r
  92                         engineState = PGS_Running;\r
  93                         if (load_state_slot >= 0) {\r
  94                                 state_slot = load_state_slot;\r
  95                                 emu_SaveLoadGame(1, 0);\r
  96                         }\r
  97                 }\r
  98         }\r
  99 \r
 100         for (;;)\r
 101         {\r
 102                 switch (engineState)\r
 103                 {\r
 104                         case PGS_Menu:\r
 105                                 menu_loop();\r
 106                                 break;\r
 107 \r
 108                         case PGS_ReloadRom:\r
 109                                 if (emu_ReloadRom(rom_fname_reload))\r
 110                                         engineState = PGS_Running;\r
 111                                 else {\r
 112                                         printf("PGS_ReloadRom == 0\n");\r
 113                                         engineState = PGS_Menu;\r
 114                                 }\r
 115                                 break;\r
 116 \r
 117                         case PGS_RestartRun:\r
 118                                 engineState = PGS_Running;\r
 119 \r
 120                         case PGS_Running:\r
 121                                 emu_Loop();\r
 122                                 break;\r
 123 \r
 124                         case PGS_Quit:\r
 125                                 goto endloop;\r
 126 \r
 127                         default:\r
 128                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 129                                 goto endloop;\r
 130                 }\r
 131         }\r
 132 \r
 133         endloop:\r
 134 \r
 135         emu_Deinit();\r
 136         plat_finish();\r
 137 \r
 138         return 0;\r
 139 }\r