cleaner disk copy/ 2mg support

git-svn-id: https://profuse.googlecode.com/svn/trunk@12 aa027e90-d47c-11dd-86d7-074df07e0730

DiskCopy42.cpp

@@ -0,0 +1,39 @@
+/*
+ *  DiskCopy42.cpp
+ *  profuse
+ *
+ *  Created by Kelvin Sherlock on 1/4/09.
+ *
+ */
+
+#include "DiskCopy42.h"
+#include "common.h"
+#include <string.h>
+
+
+
+bool DiskCopy42::Load(const uint8_t *buffer)
+{
+    unsigned i;
+    
+    i = buffer[0];
+    if (i >= 64) return false;
+
+    memcpy(disk_name, &buffer[1], i);
+    disk_name[i] = 0;
+
+
+    data_size = load32_be(&buffer[64]);
+    tag_size = load32_be(&buffer[68]);
+
+    data_checksum = load32_be(&buffer[72]);
+    tag_checksum = load32_be(&buffer[76]);
+    
+    disk_format = buffer[80];
+    format_byte = buffer[81];
+    private_word = load16_be(&buffer[82]);
+    
+    if (private_word != 0x100) return false;
+    
+    return true;
+}