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-rw-r--r--source/config.c138
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diff --git a/source/config.c b/source/config.c
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+/*
+ 3dsspec - Nintendo 3DS Spectrum emulator.
+
+ Copyright (C) 2021 Ian Cowburn <ianc@noddybox.co.uk>
+
+ 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 3
+ 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, see <http://www.gnu.org/licenses/>
+
+ $Id: config.c 65 2008-12-12 00:19:08Z ianc $
+*/
+
+#include <3ds.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "config.h"
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+/* ---------------------------------------- PRIVATE DATA
+*/
+const char *conf_filename = "SPEC48.CFG";
+
+const char *conf_entry[DSSPEC_NUM_CONFIG_ITEMS]=
+{
+ "sticky_shift",
+ "allow_tape_save",
+ "load_default_snapshot"
+};
+
+
+/* ---------------------------------------- GLOBAL DATA
+*/
+int DSSPEC_Config[DSSPEC_NUM_CONFIG_ITEMS]=
+{
+ TRUE,
+ FALSE,
+ FALSE
+};
+
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+int LoadConfig(void)
+{
+ FILE *fp = NULL;
+
+ fp=fopen(conf_filename,"r");
+
+ if (fp)
+ {
+ char line[80];
+
+ while(fgets(line, sizeof line, fp))
+ {
+ char *p;
+
+ if ((p = strchr(line, '=')))
+ {
+ int f;
+
+ for(f=0;f<DSSPEC_NUM_CONFIG_ITEMS;f++)
+ {
+ if (strncmp(line, conf_entry[f],
+ strlen(conf_entry[f])) == 0)
+ {
+ DSSPEC_Config[f] = (*(p+1) == '1');
+ }
+ }
+
+ }
+ }
+
+ fclose(fp);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int SaveConfig(void)
+{
+ FILE *fp = NULL;
+
+ fp=fopen(conf_filename,"w");
+
+ if (fp)
+ {
+ int f;
+
+ for(f=0;f<DSSPEC_NUM_CONFIG_ITEMS;f++)
+ {
+ fprintf(fp,"%s=%d\n",conf_entry[f],DSSPEC_Config[f]);
+ }
+
+ fclose(fp);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+const char *ConfigDesc(DSSPEC_ConfigItem item)
+{
+ switch(item)
+ {
+ case DSSPEC_STICKY_SHIFT:
+ return "STICKY SHIFT";
+
+ case DSSPEC_LOAD_DEFAULT_SNAPSHOT:
+ return "LOAD DEFAULT SNAPSHOT";
+
+ case DSSPEC_ALLOW_TAPE_SAVE:
+ return "ALLOW TAPE SAVING";
+
+ default:
+ return "UNKNOWN";
+ }
+}
+