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