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 <stdlib.h>\r
   8 #include <string.h>\r
   9 #include <unistd.h>\r
  10 #include <strings.h>\r
  11 #include <linux/limits.h>\r
  12 \r
  13 #include "gp2x.h"\r
  14 #include "../common/menu.h"\r
  15 #include "../common/emu.h"\r
  16 #include "../common/config.h"\r
  17 #include "../common/input.h"\r
  18 #include "../common/plat.h"\r
  19 #include "emu.h"\r
  20 #include "940ctl.h"\r
  21 #include "version.h"\r
  22 \r
  23 #include "squidgehack.h"\r
  24 #include "cpuctrl.h"\r
  25 \r
  26 \r
  27 extern char *ext_menu, *ext_state;\r
  28 extern int select_exits;\r
  29 extern char *PicoConfigFile;\r
  30 static int load_state_slot = -1;\r
  31 int mmuhack_status = 0;\r
  32 char **g_argv;\r
  33 \r
  34 void parse_cmd_line(int argc, char *argv[])\r
  35 {\r
  36         int x, unrecognized = 0;\r
  37 \r
  38         for(x = 1; x < argc; x++)\r
  39         {\r
  40                 if(argv[x][0] == '-')\r
  41                 {\r
  42                         if(strcasecmp(argv[x], "-menu") == 0) {\r
  43                                 if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */\r
  44                         }\r
  45                         else if(strcasecmp(argv[x], "-state") == 0) {\r
  46                                 if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */\r
  47                         }\r
  48                         else if(strcasecmp(argv[x], "-config") == 0) {\r
  49                                 if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  50                         }\r
  51                         else if(strcasecmp(argv[x], "-selectexit") == 0) {\r
  52                                 select_exits = 1;\r
  53                         }\r
  54                         else if(strcasecmp(argv[x], "-loadstate") == 0) {\r
  55                                 if(x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }\r
  56                         }\r
  57                         else {\r
  58                                 unrecognized = 1;\r
  59                                 break;\r
  60                         }\r
  61                 } else {\r
  62                         /* External Frontend: ROM Name */\r
  63                         FILE *f;\r
  64                         strncpy(rom_fname_reload, argv[x], sizeof(rom_fname_reload));\r
  65                         rom_fname_reload[sizeof(rom_fname_reload) - 1] = 0;\r
  66                         f = fopen(rom_fname_reload, "rb");\r
  67                         if (f) fclose(f);\r
  68                         else unrecognized = 1;\r
  69                         engineState = PGS_ReloadRom;\r
  70                         break;\r
  71                 }\r
  72         }\r
  73 \r
  74         if (unrecognized) {\r
  75                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2008\n");\r
  76                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  77                 printf( "options:\n"\r
  78                                 "-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"\r
  79                                 "-state <param>    pass '-state param' to the menu program\n"\r
  80                                 "-config <file>    use specified config file instead of default 'picoconfig.bin'\n"\r
  81                                 "                  see currentConfig_t structure in emu.h for the file format\n"\r
  82                                 "-selectexit       pressing SELECT will exit the emu and start 'menu_path'\n"\r
  83                                 "-loadstate <num>  if ROM is specified, try loading slot <num>\n");\r
  84         }\r
  85 }\r
  86 \r
  87 \r
  88 int main(int argc, char *argv[])\r
  89 {\r
  90         g_argv = argv;\r
  91 \r
  92         in_init();\r
  93         emu_prepareDefaultConfig();\r
  94         emu_ReadConfig(0, 0);\r
  95         config_readlrom(PicoConfigFile);\r
  96 \r
  97         in_probe();\r
  98         in_debug_dump();\r
  99         gp2x_init();\r
 100         if (currentConfig.EmuOpt&0x10) {\r
 101                 int ret = mmuhack();\r
 102                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);\r
 103                 mmuhack_status = ret;\r
 104         }\r
 105         cpuctrl_init();\r
 106         // Reset940(1);\r
 107         // Pause940(1);\r
 108         if (currentConfig.EmuOpt&0x100) {\r
 109                 printf("setting RAM timings.. "); fflush(stdout);\r
 110                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2\r
 111                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);\r
 112                 printf("done.\n"); fflush(stdout);\r
 113         }\r
 114         sharedmem_init();\r
 115         emu_Init();\r
 116         menu_init();\r
 117 \r
 118         engineState = PGS_Menu;\r
 119 \r
 120         if (argc > 1)\r
 121                 parse_cmd_line(argc, argv);\r
 122 \r
 123         if (engineState == PGS_ReloadRom)\r
 124         {\r
 125                 if (emu_ReloadRom(rom_fname_reload)) {\r
 126                         engineState = PGS_Running;\r
 127                         if (load_state_slot >= 0) {\r
 128                                 state_slot = load_state_slot;\r
 129                                 emu_SaveLoadGame(1, 0);\r
 130                         }\r
 131                 }\r
 132         }\r
 133 \r
 134         for (;;)\r
 135         {\r
 136                 switch (engineState)\r
 137                 {\r
 138                         case PGS_Menu:\r
 139                                 menu_loop();\r
 140                                 break;\r
 141 \r
 142                         case PGS_ReloadRom:\r
 143                                 if (emu_ReloadRom(rom_fname_reload))\r
 144                                         engineState = PGS_Running;\r
 145                                 else {\r
 146                                         printf("PGS_ReloadRom == 0\n");\r
 147                                         engineState = PGS_Menu;\r
 148                                 }\r
 149                                 break;\r
 150 \r
 151                         case PGS_RestartRun:\r
 152                                 engineState = PGS_Running;\r
 153 \r
 154                         case PGS_Running:\r
 155                                 emu_Loop();\r
 156                                 break;\r
 157 \r
 158                         case PGS_Quit:\r
 159                                 goto endloop;\r
 160 \r
 161                         default:\r
 162                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 163                                 goto endloop;\r
 164                 }\r
 165         }\r
 166 \r
 167         endloop:\r
 168 \r
 169         emu_Deinit();\r
 170         sharedmem_deinit();\r
 171         cpuctrl_deinit();\r
 172         gp2x_deinit();\r
 173         if(mmuhack_status)\r
 174                 mmuunhack();\r
 175 \r
 176         return 0;\r
 177 }\r