Clarified bit order in the bitmap.

0x10cStandardsCommittee · Apr 23, 2012 · 7b166a8 · 7b166a8
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diff --git a/FS/Draft_Harrys_Allocation_Table.txt b/FS/Draft_Harrys_Allocation_Table.txt
@@ -2,7 +2,7 @@
 
 
 RFC (Draft-Fs)                                           H. Jeffery, Ed.
-                                                          April 19, 2012
+                                                          April 22, 2012
 
 
                         Harry's Allocation Table
@@ -216,7 +216,7 @@ Jeffery                                                         [Page 3]
    use.  When a sector is in use the corresponding bit is set to 1.
    When a sector is free, the corresponding bit is set to 0.
 
-   Any spare bits at the end of the bitmap must be set to 1.
+   The MSB is considered to be the first bit and the LSB is considered
 
 
 
@@ -225,6 +225,10 @@ Jeffery                                                         [Page 4]
                                    HAT                        April 2012
 
 
+   to be the last bit.
+
+   Any spare bits at the end of the bitmap must be set to 1.
+
 3.1.3.  sector joins
 
    This section is an array of words, each word is used to join one
@@ -272,10 +276,6 @@ Jeffery                                                         [Page 4]
 
 
 
-
-
-
-
 Jeffery                                                         [Page 5]
 
                                    HAT                        April 2012

diff --git a/FS/Draft_Harrys_Allocation_Table.xml b/FS/Draft_Harrys_Allocation_Table.xml
@@ -146,6 +146,8 @@
             filesystem. Each bit of the bitmap represents whether a sector
             is in use. When a sector is in use the corresponding bit is set
             to 1. When a sector is free, the corresponding bit is set to 0.</t>
+            <t>The MSB is considered to be the first bit and the LSB is
+            considered to be the last bit.</t>
             <t>Any spare bits at the end of the bitmap must be set to 1.</t>
           </section>
         </section>