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