M000252.html in ripxplore-0.14.0

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-  <title>free_sector_list (AppleDos)</title>
+  <title>catalog_filename (AppleDos)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/file_systems/AppleDos.rb, line 273</span>
-<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">free_sector_list</span>(<span class="ruby-identifier">file_system_image</span>)
-  <span class="ruby-identifier">end_of_sector_usage_bitmap</span>=(<span class="ruby-identifier">file_system_image</span>.<span class="ruby-identifier">track_count</span><span class="ruby-operator">*</span><span class="ruby-value">4</span><span class="ruby-operator">+</span><span class="ruby-value">0x38</span>)<span class="ruby-operator">-</span><span class="ruby-value">1</span>
-  <span class="ruby-identifier">sector_usage_bitmap</span>=<span class="ruby-identifier">file_system_image</span>.<span class="ruby-identifier">get_sector</span>(<span class="ruby-identifier">vtoc_track_no</span>,<span class="ruby-identifier">vtoc_sector_no</span>)[<span class="ruby-value">0x38</span><span class="ruby-operator">..</span><span class="ruby-identifier">end_of_sector_usage_bitmap</span>]
-  <span class="ruby-identifier">free_sectors</span>=[]
-  <span class="ruby-comment cmt">#skip track 0 - even if sectors there are unused, we can't include them in a catalog or track/sector list
</span>
-    (<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-identifier">file_system_image</span>.<span class="ruby-identifier">track_count</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">track</span><span class="ruby-operator">|</span>
-      <span class="ruby-identifier">track_bitmap_lo</span>=<span class="ruby-identifier">sector_usage_bitmap</span>[<span class="ruby-identifier">track</span><span class="ruby-operator">*</span><span class="ruby-value">4</span><span class="ruby-operator">+</span><span class="ruby-value">1</span>]
-      <span class="ruby-identifier">track_bitmap_hi</span>=<span class="ruby-identifier">sector_usage_bitmap</span>[<span class="ruby-identifier">track</span><span class="ruby-operator">*</span><span class="ruby-value">4</span>]
-      (<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-value">7</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">sector</span><span class="ruby-operator">|</span>
-        <span class="ruby-keyword kw">if</span> ((<span class="ruby-identifier">track_bitmap_lo</span> <span class="ruby-operator">&amp;</span> (<span class="ruby-value">2</span><span class="ruby-operator">**</span>(<span class="ruby-identifier">sector</span>)))<span class="ruby-operator">!=</span><span class="ruby-value">0</span>) <span class="ruby-keyword kw">then</span>
-          <span class="ruby-identifier">free_sectors</span><span class="ruby-operator">&lt;&lt;</span>[<span class="ruby-identifier">track</span>,<span class="ruby-identifier">sector</span>,<span class="ruby-value">0</span>]
-        <span class="ruby-keyword kw">end</span>
-        <span class="ruby-keyword kw">if</span> ((<span class="ruby-identifier">track_bitmap_hi</span> <span class="ruby-operator">&amp;</span> (<span class="ruby-value">2</span><span class="ruby-operator">**</span>(<span class="ruby-identifier">sector</span>)))<span class="ruby-operator">!=</span><span class="ruby-value">0</span>) <span class="ruby-keyword kw">then</span>
-          <span class="ruby-identifier">free_sectors</span><span class="ruby-operator">&lt;&lt;</span>[<span class="ruby-identifier">track</span>,<span class="ruby-identifier">sector</span><span class="ruby-operator">+</span><span class="ruby-value">8</span>,<span class="ruby-value">0</span>]
-        <span class="ruby-keyword kw">end</span>        
+  <pre><span class="ruby-comment cmt"># File lib/file_systems/AppleDos.rb, line 258</span>
+<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">catalog_filename</span>(<span class="ruby-identifier">filename</span>)
+    <span class="ruby-identifier">s</span>=<span class="ruby-value str">&quot;&quot;</span>
+    <span class="ruby-keyword kw">for</span> <span class="ruby-identifier">i</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-value">29</span>
+      <span class="ruby-identifier">c</span>=(<span class="ruby-identifier">filename</span>[<span class="ruby-identifier">i</span>])
+      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword kw">then</span>
+        <span class="ruby-identifier">c</span>=<span class="ruby-value">0x</span><span class="ruby-constant">A0</span>        
+        <span class="ruby-keyword kw">else</span> 
+        <span class="ruby-identifier">c</span>=(<span class="ruby-identifier">c</span><span class="ruby-operator">|</span><span class="ruby-value">0x80</span>)
       <span class="ruby-keyword kw">end</span>
+      <span class="ruby-identifier">s</span><span class="ruby-operator">+=</span><span class="ruby-identifier">c</span>.<span class="ruby-identifier">chr</span>
     <span class="ruby-keyword kw">end</span>
-    <span class="ruby-identifier">free_sectors</span>.<span class="ruby-identifier">sort</span>
+    <span class="ruby-identifier">s</span>
 <span class="ruby-keyword kw">end</span></pre>
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