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			<title>DOS 3.3: Auto-run with a machine language program</title><body class="ac-gn-current-support">
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<h1 id="main-title">DOS 3.3: Auto-run with a machine language program</h1>
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<div id="intro-container"><div class="truncate"><div class="attr SYMPTOMS"><div class="attr TOPIC">When DOS is booted, it runs the program that was in memory when the diskette was initialized, unless you change DOS to BRUNs the Hello file instead.<BR></div></div> <!--  attr Symptom  --></div> <!--  truncate --></div> <!--  intro-container --><div class="clear"> </div>
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In a 48K Apple change the byte at $9E42 from $06 to $34. The following sequence of commands creates a disk that BRUNs Hello when it is next booted.<BR>
<BR>
After putting a blank diskette into the drive:<BR>
<UL>1. Call -151<BR>
2. 9E42:34<BR>
3. 3D0G<BR>
4. init Hello<BR>
5. delete Hello<BR>
6. BLOAD the binary program from another diskette<BR>
7. BSAVE Hello on the new diskette</UL></div>
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<div class="mod-date">Published Date: Feb 18, 2012</div>
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