sram bugfix + savestate refactoring
[picodrive.git] / platform / common / main.c
... / ...
CommitLineData
1// (c) Copyright 2006-2009 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 <strings.h>\r
10\r
11#include "menu.h"\r
12#include "emu.h"\r
13#include "config.h"\r
14#include "input.h"\r
15#include "plat.h"\r
16#include <version.h>\r
17\r
18\r
19extern char *PicoConfigFile;\r
20static int load_state_slot = -1;\r
21char **g_argv;\r
22\r
23void parse_cmd_line(int argc, char *argv[])\r
24{\r
25 int x, unrecognized = 0;\r
26\r
27 for (x = 1; x < argc; x++)\r
28 {\r
29 if (argv[x][0] == '-')\r
30 {\r
31 if (strcasecmp(argv[x], "-config") == 0) {\r
32 if (x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
33 }\r
34 else if (strcasecmp(argv[x], "-loadstate") == 0) {\r
35 if (x+1 < argc) { ++x; load_state_slot = atoi(argv[x]); }\r
36 }\r
37 else {\r
38 unrecognized = 1;\r
39 break;\r
40 }\r
41 } else {\r
42 /* External Frontend: ROM Name */\r
43 FILE *f;\r
44 strncpy(rom_fname_reload, argv[x], sizeof(rom_fname_reload));\r
45 rom_fname_reload[sizeof(rom_fname_reload) - 1] = 0;\r
46 f = fopen(rom_fname_reload, "rb");\r
47 if (f) fclose(f);\r
48 else unrecognized = 1;\r
49 engineState = PGS_ReloadRom;\r
50 break;\r
51 }\r
52 }\r
53\r
54 if (unrecognized) {\r
55 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2009\n");\r
56 printf("usage: %s [options] [romfile]\n", argv[0]);\r
57 printf("options:\n"\r
58 " -config <file> use specified config file instead of default 'config.cfg'\n"\r
59 " -loadstate <num> if ROM is specified, try loading slot <num>\n");\r
60 }\r
61}\r
62\r
63\r
64int main(int argc, char *argv[])\r
65{\r
66 g_argv = argv;\r
67\r
68 plat_early_init();\r
69\r
70 /* in_init() must go before config, config accesses in_ fwk */\r
71 in_init();\r
72 pemu_prep_defconfig();\r
73 emu_read_config(0, 0);\r
74 config_readlrom(PicoConfigFile);\r
75\r
76 plat_init();\r
77 in_probe();\r
78 in_debug_dump();\r
79\r
80 emu_init();\r
81 menu_init();\r
82\r
83 engineState = PGS_Menu;\r
84\r
85 if (argc > 1)\r
86 parse_cmd_line(argc, argv);\r
87\r
88 if (engineState == PGS_ReloadRom)\r
89 {\r
90 if (emu_reload_rom(rom_fname_reload)) {\r
91 engineState = PGS_Running;\r
92 if (load_state_slot >= 0) {\r
93 state_slot = load_state_slot;\r
94 emu_save_load_game(1, 0);\r
95 }\r
96 }\r
97 }\r
98\r
99 for (;;)\r
100 {\r
101 switch (engineState)\r
102 {\r
103 case PGS_Menu:\r
104 menu_loop();\r
105 break;\r
106\r
107 case PGS_TrayMenu:\r
108 menu_loop_tray();\r
109 break;\r
110\r
111 case PGS_ReloadRom:\r
112 if (emu_reload_rom(rom_fname_reload))\r
113 engineState = PGS_Running;\r
114 else {\r
115 printf("PGS_ReloadRom == 0\n");\r
116 engineState = PGS_Menu;\r
117 }\r
118 break;\r
119\r
120 case PGS_RestartRun:\r
121 engineState = PGS_Running;\r
122 /* vvv fallthrough */\r
123\r
124 case PGS_Running:\r
125 emu_loop();\r
126 break;\r
127\r
128 case PGS_Quit:\r
129 goto endloop;\r
130\r
131 default:\r
132 printf("engine got into unknown state (%i), exitting\n", engineState);\r
133 goto endloop;\r
134 }\r
135 }\r
136\r
137 endloop:\r
138\r
139 emu_finish();\r
140 plat_finish();\r
141\r
142 return 0;\r
143}\r