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