ss="comment">// usage: &quot;#define DRIVE_A DOS_1_dsk&quot;</span></div>
<div class="line"><span class="preprocessor">#include &quot;disks/AltairDOS/DOS_2_dsk.h&quot;</span>      <span class="comment">// usage: &quot;#define DRIVE_A DOS_2_dsk&quot;</span></div>
<div class="line"> </div>
<div class="line"><span class="comment">// Basic</span></div>
<div class="line"><span class="comment">//    MEMORY SIZE? [press ENTER]</span></div>
<div class="line"><span class="comment">//    LINEPRINTER? [insert &quot;C&