Genesis-Plus-GX/source/gx/config.c
ekeeke31 1cfb7e6f44 +implemented Blip Buffer linear interpolation in SN76489 core
+optimized SN76489 core
+added configurable SN76489 Noise boost
+added savestate version check
2009-05-27 14:07:14 +00:00

124 lines
3.2 KiB
C

/****************************************************************************
* config.c
*
* Genesis Plus GX configuration file support
*
* Eke-Eke (2008)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
***************************************************************************/
#include "shared.h"
void config_save(void)
{
/* open configuration file */
char fname[MAXPATHLEN];
sprintf (fname, "%s/config.ini", DEFAULT_PATH);
FILE *fp = fopen(fname, "wb");
if (fp)
{
/* write file */
fwrite(&config, sizeof(config), 1, fp);
fclose(fp);
}
}
void config_load(void)
{
/* open configuration file */
char fname[MAXPATHLEN];
sprintf (fname, "%s/config.ini", DEFAULT_PATH);
FILE *fp = fopen(fname, "rb");
if (fp)
{
/* read version */
char version[16];
fread(version, 16, 1, fp);
fclose(fp);
if (strcmp(version,VERSION)) return;
/* read file */
fp = fopen(fname, "rb");
if (fp)
{
fread(&config, sizeof(config), 1, fp);
fclose(fp);
}
}
}
void config_default(void)
{
/* version TAG */
strncpy(config.version,VERSION,16);
/* sound options */
config.psg_preamp = 150;
config.fm_preamp = 100;
config.hq_fm = 1;
config.psgBoostNoise = 0;
config.filter = 1;
config.lg = 1.0;
config.mg = 1.0;
config.hg = 1.0;
/* system options */
config.region_detect = 0;
config.force_dtack = 0;
config.bios_enabled = 0;
/* video options */
config.xshift = 0;
config.yshift = 0;
config.xscale = 0;
config.yscale = 0;
config.aspect = 1;
config.overscan = 1;
if (VIDEO_HaveComponentCable())
config.render = 2;
else
config.render = 0;
config.ntsc = 0;
config.bilinear = 1;
/* controllers options */
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = SYSTEM_GAMEPAD;
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;
gx_input_SetDefault();
/* menu options */
#ifdef HW_RVL
/* let's assume we always have a FAT device by default */
config.sram_auto = 0;
#else
config.sram_auto = -1;
#endif
config.state_auto = -1;
config.bg_color = 0;
config.screen_w = 658;
config.ask_confirm = 0;
config.bgm_volume = 100.0;
config.sfx_volume = 100.0;
/* restore saved configuration */
config_load();
io_reset();
}