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 "../common/menu.h"\r
  15 #include "../common/emu.h"\r
  16 #include "../common/config.h"\r
  17 #include "emu.h"\r
  18 #include "940ctl.h"\r
  19 #include "version.h"\r
  20 \r
  21 #include "squidgehack.h"\r
  22 #include "cpuctrl.h"\r
  23 \r
  24 \r
  25 extern char *ext_menu, *ext_state;\r
  26 extern int select_exits;\r
  27 extern char *PicoConfigFile;\r
  28 int mmuhack_status = 0;\r
  29 char **g_argv;\r
  30 \r
  31 void parse_cmd_line(int argc, char *argv[])\r
  32 {\r
  33         int x, unrecognized = 0;\r
  34 \r
  35         for(x = 1; x < argc; x++)\r
  36         {\r
  37                 if(argv[x][0] == '-')\r
  38                 {\r
  39                         if(strcasecmp(argv[x], "-menu") == 0) {\r
  40                                 if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */\r
  41                         }\r
  42                         else if(strcasecmp(argv[x], "-state") == 0) {\r
  43                                 if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */\r
  44                         }\r
  45                         else if(strcasecmp(argv[x], "-config") == 0) {\r
  46                                 if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  47                         }\r
  48                         else if(strcasecmp(argv[x], "-selectexit") == 0) {\r
  49                                 select_exits = 1;\r
  50                         }\r
  51                         else {\r
  52                                 unrecognized = 1;\r
  53                                 break;\r
  54                         }\r
  55                 } else {\r
  56                         /* External Frontend: ROM Name */\r
  57                         FILE *f;\r
  58                         strncpy(romFileName, argv[x], PATH_MAX);\r
  59                         romFileName[PATH_MAX-1] = 0;\r
  60                         f = fopen(romFileName, "rb");\r
  61                         if (f) fclose(f);\r
  62                         else unrecognized = 1;\r
  63                         engineState = PGS_ReloadRom;\r
  64                         break;\r
  65                 }\r
  66         }\r
  67 \r
  68         if (unrecognized) {\r
  69                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2007\n");\r
  70                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  71                 printf( "options:\n"\r
  72                                 "-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"\r
  73                                 "-state <param>    pass '-state param' to the menu program\n"\r
  74                                 "-config <file>    use specified config file instead of default 'picoconfig.bin'\n"\r
  75                                 "                  see currentConfig_t structure in emu.h for the file format\n"\r
  76                                 "-selectexit       pressing SELECT will exit the emu and start 'menu_path'\n");\r
  77         }\r
  78 }\r
  79 \r
  80 \r
  81 int main(int argc, char *argv[])\r
  82 {\r
  83         g_argv = argv;\r
  84 \r
  85         emu_prepareDefaultConfig();\r
  86         emu_ReadConfig(0, 0);\r
  87 \r
  88         gp2x_init();\r
  89         if (currentConfig.EmuOpt&0x10) {\r
  90                 int ret = mmuhack();\r
  91                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);\r
  92                 mmuhack_status = ret;\r
  93         }\r
  94         cpuctrl_init();\r
  95         // Reset940(1);\r
  96         // Pause940(1);\r
  97         if (currentConfig.EmuOpt&0x100) {\r
  98                 printf("setting RAM timings.. "); fflush(stdout);\r
  99                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2\r
 100                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);\r
 101                 printf("done.\n"); fflush(stdout);\r
 102         }\r
 103         sharedmem_init();\r
 104         emu_Init();\r
 105         menu_init();\r
 106 \r
 107         engineState = PGS_Menu;\r
 108 \r
 109         if (argc > 1)\r
 110                 parse_cmd_line(argc, argv);\r
 111 \r
 112         for (;;)\r
 113         {\r
 114                 switch (engineState)\r
 115                 {\r
 116                         case PGS_Menu:\r
 117                                 menu_loop();\r
 118                                 break;\r
 119 \r
 120                         case PGS_ReloadRom:\r
 121                                 if (emu_ReloadRom())\r
 122                                         engineState = PGS_Running;\r
 123                                 else {\r
 124                                         printf("PGS_ReloadRom == 0\n");\r
 125                                         engineState = PGS_Menu;\r
 126                                 }\r
 127                                 break;\r
 128 \r
 129                         case PGS_RestartRun:\r
 130                                 engineState = PGS_Running;\r
 131 \r
 132                         case PGS_Running:\r
 133                                 emu_Loop();\r
 134                                 break;\r
 135 \r
 136                         case PGS_Quit:\r
 137                                 goto endloop;\r
 138 \r
 139                         default:\r
 140                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 141                                 goto endloop;\r
 142                 }\r
 143         }\r
 144 \r
 145         endloop:\r
 146 \r
 147         emu_Deinit();\r
 148         sharedmem_deinit();\r
 149         cpuctrl_deinit();\r
 150         gp2x_deinit();\r
 151         if(mmuhack_status)\r
 152                 mmuunhack();\r
 153 \r
 154         return 0;\r
 155 }\r