From 5601353fc9cd66dbcca4d06fc7068af853317442 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Fri, 26 Nov 2010 15:00:08 +0000
Subject: Copied DS81 files as a baseline

---
 source/config.c | 145 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 source/config.c

(limited to 'source/config.c')

diff --git a/source/config.c b/source/config.c
new file mode 100644
index 0000000..1bf2341
--- /dev/null
+++ b/source/config.c
@@ -0,0 +1,145 @@
+/*
+   ds81 - Nintendo DS ZX81 emulator.
+
+   Copyright (C) 2006  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 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.
+  
+   $Id: config.c 65 2008-12-12 00:19:08Z ianc $
+*/
+
+#include <nds.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "config.h"
+
+/* ---------------------------------------- PRIVATE DATA
+*/
+const char *conf_filename = "DS81.CFG";
+
+const char *conf_entry[DS81_NUM_CONFIG_ITEMS]=
+{
+    "sticky_shift",
+    "average_touchscreen",
+    "static_ram_at_0x2000",
+    "allow_tape_save",
+    "load_default_snapshot"
+};
+
+
+/* ---------------------------------------- GLOBAL DATA
+*/
+int	DS81_Config[DS81_NUM_CONFIG_ITEMS]=
+{
+    TRUE,
+    FALSE,
+    FALSE,
+    FALSE,
+    FALSE
+};
+
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+int LoadConfig(void)
+{
+    FILE *fp = NULL;
+
+#ifndef DS81_DISABLE_FAT
+    fp=fopen(conf_filename,"r");
+#endif
+
+    if (fp)
+    {
+	char line[80];
+
+	while(fgets(line, sizeof line, fp))
+	{
+	    char *p;
+
+	    if ((p = strchr(line, '=')))
+	    {
+		int f;
+
+		for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+		{
+		    if (strncmp(line, conf_entry[f],
+		    		strlen(conf_entry[f])) == 0)
+		    {
+		    	DS81_Config[f] = (*(p+1) == '1');
+		    }
+		}
+		
+	    }
+	}
+
+	fclose(fp);
+
+	return TRUE;
+    }
+
+    return FALSE;
+}
+
+int SaveConfig(void)
+{
+    FILE *fp = NULL;
+
+#ifndef DS81_DISABLE_FAT
+    fp=fopen(conf_filename,"w");
+#endif
+
+    if (fp)
+    {
+	int f;
+
+	for(f=0;f<DS81_NUM_CONFIG_ITEMS;f++)
+	{
+	    fprintf(fp,"%s=%d\n",conf_entry[f],DS81_Config[f]);
+	}
+
+    	fclose(fp);
+
+	return TRUE;
+    }
+
+    return FALSE;
+}
+
+const char *ConfigDesc(DS81_ConfigItem item)
+{
+    switch(item)
+    {
+	case DS81_STICKY_SHIFT:
+	    return "STICKY SHIFT";
+
+	case DS81_AVERAGE_TOUCHSCREEN:
+	    return "AVERAGE TOUCHSCREEN";
+
+	case DS81_STATIC_RAM_AT_0x2000:
+	    return "RAM AT 8192";
+
+	case DS81_LOAD_DEFAULT_SNAPSHOT:
+	    return "LOAD DEFAULT SNAPSHOT";
+
+	case DS81_ALLOW_TAPE_SAVE:
+	    return "ALLOW TAPE SAVING";
+
+    	default:
+	    return "UNKNOWN";
+    }
+}
+
-- 
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