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 "../common/menu.h"\r
  14 #include "../common/emu.h"\r
  15 #include "../common/config.h"\r
  16 #include "../common/input.h"\r
  17 #include "../common/plat.h"\r
  18 #include "emu.h"\r
  19 #include "940ctl.h"\r
  20 #include "version.h"\r
  21 \r
  22 #include "squidgehack.h"\r
  23 #include "cpuctrl.h"\r
  24 \r
  25 \r
  26 extern char *PicoConfigFile;\r
  27 static int load_state_slot = -1;\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], "-config") == 0) {\r
  40                                 if (x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  41                         }\r
  42                         else if (strcasecmp(argv[x], "-loadstate") == 0) {\r
  43                                 if (x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }\r
  44                         }\r
  45                         else {\r
  46                                 unrecognized = 1;\r
  47                                 break;\r
  48                         }\r
  49                 } else {\r
  50                         /* External Frontend: ROM Name */\r
  51                         FILE *f;\r
  52                         strncpy(rom_fname_reload, argv[x], sizeof(rom_fname_reload));\r
  53                         rom_fname_reload[sizeof(rom_fname_reload) - 1] = 0;\r
  54                         f = fopen(rom_fname_reload, "rb");\r
  55                         if (f) fclose(f);\r
  56                         else unrecognized = 1;\r
  57                         engineState = PGS_ReloadRom;\r
  58                         break;\r
  59                 }\r
  60         }\r
  61 \r
  62         if (unrecognized) {\r
  63                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2009\n");\r
  64                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  65                 printf("options:\n"\r
  66                         " -config <file>    use specified config file instead of default 'config.cfg'\n"\r
  67                         " -loadstate <num>  if ROM is specified, try loading slot <num>\n");\r
  68         }\r
  69 }\r
  70 \r
  71 \r
  72 int main(int argc, char *argv[])\r
  73 {\r
  74         g_argv = argv;\r
  75 \r
  76         /* in_init() must go before config, config accesses in_ fwk */\r
  77         in_init();\r
  78         emu_prepareDefaultConfig();\r
  79         emu_ReadConfig(0, 0);\r
  80         config_readlrom(PicoConfigFile);\r
  81 \r
  82         plat_init();\r
  83         in_probe();\r
  84         in_debug_dump();\r
  85 \r
  86         if (currentConfig.EmuOpt&0x10) {\r
  87                 int ret = mmuhack();\r
  88                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);\r
  89                 mmuhack_status = ret;\r
  90         }\r
  91         cpuctrl_init();\r
  92         if (currentConfig.EmuOpt&0x100) {\r
  93                 printf("setting RAM timings.. "); fflush(stdout);\r
  94                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2\r
  95                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);\r
  96                 printf("done.\n"); fflush(stdout);\r
  97         }\r
  98         sharedmem_init();\r
  99         emu_Init();\r
 100         menu_init();\r
 101 \r
 102         engineState = PGS_Menu;\r
 103 \r
 104         if (argc > 1)\r
 105                 parse_cmd_line(argc, argv);\r
 106 \r
 107         if (engineState == PGS_ReloadRom)\r
 108         {\r
 109                 if (emu_ReloadRom(rom_fname_reload)) {\r
 110                         engineState = PGS_Running;\r
 111                         if (load_state_slot >= 0) {\r
 112                                 state_slot = load_state_slot;\r
 113                                 emu_SaveLoadGame(1, 0);\r
 114                         }\r
 115                 }\r
 116         }\r
 117 \r
 118         for (;;)\r
 119         {\r
 120                 switch (engineState)\r
 121                 {\r
 122                         case PGS_Menu:\r
 123                                 menu_loop();\r
 124                                 break;\r
 125 \r
 126                         case PGS_ReloadRom:\r
 127                                 if (emu_ReloadRom(rom_fname_reload))\r
 128                                         engineState = PGS_Running;\r
 129                                 else {\r
 130                                         printf("PGS_ReloadRom == 0\n");\r
 131                                         engineState = PGS_Menu;\r
 132                                 }\r
 133                                 break;\r
 134 \r
 135                         case PGS_RestartRun:\r
 136                                 engineState = PGS_Running;\r
 137 \r
 138                         case PGS_Running:\r
 139                                 emu_Loop();\r
 140                                 break;\r
 141 \r
 142                         case PGS_Quit:\r
 143                                 goto endloop;\r
 144 \r
 145                         default:\r
 146                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 147                                 goto endloop;\r
 148                 }\r
 149         }\r
 150 \r
 151         endloop:\r
 152 \r
 153         emu_Deinit();\r
 154         sharedmem_deinit();\r
 155         cpuctrl_deinit();\r
 156         plat_finish();\r
 157         if (mmuhack_status)\r
 158                 mmuunhack();\r
 159 \r
 160         return 0;\r
 161 }\r