mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-11-10 04:45:08 +01:00
a0fe59e1fc
~updated DOS & WIN32 ports to reflect recent changes
292 lines
8.0 KiB
C
292 lines
8.0 KiB
C
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#include "osd.h"
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t_option option;
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t_config config;
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void do_config(char *file)
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{
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extern int __crt0_argc;
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extern char **__crt0_argv;
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/* Our token list */
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int i, argc;
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char *argv[TOKEN_LIST_SIZE];
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set_option_defaults();
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for(i = 0; i < TOKEN_LIST_SIZE; i += 1) argv[i] = NULL;
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/* Check configuration file */
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if(file) parse_file(file, &argc, argv);
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/* Check extracted tokens */
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parse_args(argc, argv);
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/* Free token list */
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for(i = 0; i < argc; i += 1) if(argv[argc]) free (argv[argc]);
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/* Check command line */
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parse_args(__crt0_argc, __crt0_argv);
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}
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/* Parse configuration file */
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int parse_file(char *filename, int *argc, char **argv)
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{
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char token[0x100];
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FILE *handle = NULL;
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*argc = 0;
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handle = fopen(filename, "r");
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if(!handle) return (0);
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fscanf(handle, "%s", &token[0]);
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while(!(feof(handle)))
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{
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int size = strlen(token) + 1;
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argv[*argc] = malloc(size);
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if(!argv[*argc]) return (0);
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strcpy(argv[*argc], token);
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*argc += 1;
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fscanf(handle, "%s", &token[0]);
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}
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if(handle) fclose(handle);
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return (1);
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}
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int check_bool(char *token)
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{
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int result = 1;
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if(stricmp("off", token) == 0)
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result = 0;
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if(stricmp("no", token) == 0)
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result = 0;
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return (result);
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}
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void set_option_defaults(void)
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{
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option.video_driver = GFX_AUTODETECT;
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option.video_width = 640;
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option.video_height = 480;
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option.video_depth = 16;
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option.remap = 0;
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option.scanlines = 0;
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option.scale = 0;
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option.vsync = 0;
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option.throttle = 0;
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option.skip = 1;
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option.sound = 0;
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option.sndcard = -1;
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option.sndrate = 48000;
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option.swap = 0;
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option.joy_driver = JOY_TYPE_NONE;
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}
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void set_config_defaults(void)
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{
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int i;
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/* sound options */
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config.psg_preamp = 150;
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config.fm_preamp = 100;
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config.hq_fm = 1;
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config.psgBoostNoise = 0;
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config.filter = 1;
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config.lg = 1.0;
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config.mg = 1.0;
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config.hg = 1.0;
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/* system options */
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config.region_detect = 0;
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config.force_dtack = 0;
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config.bios_enabled = 0;
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/* display options */
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config.overscan = 1;
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config.render = 1;
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/* controllers options */
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input.system[0] = SYSTEM_GAMEPAD;
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input.system[1] = SYSTEM_GAMEPAD;
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config.gun_cursor[0] = 1;
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config.gun_cursor[1] = 1;
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config.invert_mouse = 0;
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for (i=0;i<MAX_INPUTS;i++)
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config.input[i].padtype = DEVICE_3BUTTON;
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}
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void print_options(void)
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{
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printf(" -vdriver <s> \t Select video driver (auto)\n");
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printf(" -res <w> <h> \t Specify display resolution (320x240)\n");
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printf(" -depth <n> \t Specify display depth (8)\n");
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printf(" -remap <on|off> \t Enable raster-based palette effects (8-bit color only)\n");
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printf(" -scanlines <on|off> \t Enable scanlines effect\n");
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printf(" -scale <on|off> \t Scale display to width of screen\n");
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printf(" -vsync <on|off> \t Enable vsync polling\n");
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printf(" -throttle <on|off> \t Enable speed throttling\n");
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printf(" -skip <n> \t Specify frame skip level (1=no frames skipped)\n");
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printf(" -sound <on|off> \t Enable sound output\n");
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printf(" -sndcard <n> \t Select sound card\n");
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printf(" -sndrate <n> \t Specify sound sample rate (8000-44100)\n");
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printf(" -swap <on|off> \t Swap left and right channels\n");
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printf(" -joy <s> \t Select joystick driver (auto)\n");
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}
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void parse_args(int argc, char **argv)
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{
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int i, j;
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for(i = 0; i < argc; i += 1)
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{
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if(stricmp("-vdriver", argv[i]) == 0)
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{
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for(j = 0; video_driver_table[j].token != NULL; j += 1)
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{
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if(stricmp(argv[i+1], video_driver_table[j].token) == 0)
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{
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option.video_driver = video_driver_table[j].value;
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}
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}
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}
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if(stricmp("-res", argv[i]) == 0)
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{
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option.video_width = atoi(argv[i+1]);
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option.video_height = atoi(argv[i+2]);
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}
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if(stricmp("-depth", argv[i]) == 0)
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{
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option.video_depth = atoi(argv[i+1]);
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}
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if(stricmp("-remap", argv[i]) == 0)
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{
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option.remap = check_bool(argv[i+1]);
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}
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if(stricmp("-scanlines", argv[i]) == 0)
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{
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option.scanlines = check_bool(argv[i+1]);
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}
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if(stricmp("-scale", argv[i]) == 0)
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{
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option.scale = check_bool(argv[i+1]);
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}
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if(stricmp("-vsync", argv[i]) == 0)
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{
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option.vsync = check_bool(argv[i+1]);
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}
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if(stricmp("-throttle", argv[i]) == 0)
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{
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option.throttle = check_bool(argv[i+1]);
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}
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if(stricmp("-skip", argv[i]) == 0)
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{
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option.skip = atoi(argv[i+1]);
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if(!option.skip) option.skip = 1;
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}
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if(stricmp("-sound", argv[i]) == 0)
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{
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option.sound = check_bool(argv[i+1]);
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}
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if(stricmp("-sndcard", argv[i]) == 0)
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{
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option.sndcard = atoi(argv[i+1]);
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}
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if(stricmp("-sndrate", argv[i]) == 0)
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{
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option.sndrate = atoi(argv[i+1]);
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}
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if(stricmp("-swap", argv[i]) == 0)
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{
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option.swap = check_bool(argv[i+1]);
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}
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if(stricmp("-joy", argv[i]) == 0)
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{
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for(j = 0; joy_driver_table[j].token != NULL; j += 1)
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{
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if(stricmp(argv[i+1], joy_driver_table[j].token) == 0)
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{
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option.joy_driver = joy_driver_table[j].value;
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}
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}
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}
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}
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if(option.remap) option.video_depth = 8;
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}
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t_strint video_driver_table[] =
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{
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{ "auto", GFX_AUTODETECT },
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{ "safe", GFX_SAFE },
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{ "vga", GFX_VGA },
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{ "modex", GFX_MODEX },
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{ "vesa2l", GFX_VESA2L },
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{ "vesa3", GFX_VESA3 },
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{ "vbeaf", GFX_VBEAF },
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{ NULL, 0 }
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};
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t_strint joy_driver_table[] =
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{
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{ "auto", JOY_TYPE_AUTODETECT },
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{ "none", JOY_TYPE_NONE },
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{ "standard", JOY_TYPE_STANDARD },
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{ "2pads", JOY_TYPE_2PADS },
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{ "4button", JOY_TYPE_4BUTTON },
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{ "6button", JOY_TYPE_6BUTTON },
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{ "8button", JOY_TYPE_8BUTTON },
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{ "fspro", JOY_TYPE_FSPRO },
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{ "wingex", JOY_TYPE_WINGEX },
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{ "sidewinder", JOY_TYPE_SIDEWINDER },
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{ "gamepadpro", JOY_TYPE_GAMEPAD_PRO },
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{ "grip", JOY_TYPE_GRIP },
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{ "grip4", JOY_TYPE_GRIP4 },
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{ "sneslpt1", JOY_TYPE_SNESPAD_LPT1 },
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{ "sneslpt2", JOY_TYPE_SNESPAD_LPT2 },
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{ "sneslpt3", JOY_TYPE_SNESPAD_LPT3 },
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{ "psxlpt1", JOY_TYPE_PSXPAD_LPT1 },
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{ "psxlpt2", JOY_TYPE_PSXPAD_LPT2 },
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{ "psxlpt3", JOY_TYPE_PSXPAD_LPT3 },
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{ "n64lpt1", JOY_TYPE_N64PAD_LPT1 },
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{ "n64lpt2", JOY_TYPE_N64PAD_LPT2 },
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{ "n64lpt3", JOY_TYPE_N64PAD_LPT3 },
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{ "db9lpt1", JOY_TYPE_DB9_LPT1 },
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{ "db9lpt2", JOY_TYPE_DB9_LPT2 },
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{ "db9lpt3", JOY_TYPE_DB9_LPT3 },
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{ "tglpt1", JOY_TYPE_TURBOGRAFX_LPT1 },
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{ "tglpt2", JOY_TYPE_TURBOGRAFX_LPT2 },
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{ "tglpt3", JOY_TYPE_TURBOGRAFX_LPT3 },
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{ "wingwar", JOY_TYPE_WINGWARRIOR },
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{ "segaisa", JOY_TYPE_IFSEGA_ISA},
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{ "segapci", JOY_TYPE_IFSEGA_PCI},
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{ "segapci2", JOY_TYPE_IFSEGA_PCI_FAST},
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{ NULL, 0 }
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};
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