Doco updates

tools/makeadf/README.md

@@ -0,0 +1,8 @@
+makeadf
+=======
+
+The simplest form for ADF creation.
+
+Disk layout must be handled by the assembler/linker.  This tool only calculates the checksum and pads the disk image to the correct size.
+
+This code is taken from [this forum post](http://eab.abime.net/showpost.php?p=895070&postcount=6)

tools/makeadf/makeadf.c

@@ -13,7 +13,8 @@
 uint8_t image[DISKSIZE];
 
 
-static void boot_chksum(uint8_t *p)
+static void 
+boot_chksum(uint8_t *p)
 {
   uint32_t oldchk,chk=0;
   int i;