<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>&amp;quot; error 65: access violation at C:0x0042 : no &amp;#39;execute/read&amp;#39; permission&amp;quot;</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/23525/error-65-access-violation-at-c-0x0042-no-execute-read-permission</link><description> 
The following is my program: 

 
 ORG 0000H
 LJMP MAIN
 ORG 0030H
MAIN:MOV A,@R0
 MOV B,#100
 DIV AB
 INC R0
 MOV @R0,A
 MOV A,#10
 XCH A,B
 DIV AB
 INC R0
 MOV @R0,A
 INC R0
 MOV @R0,B
 END
 

 
 
When I debugging it,the &amp;quot; error 65: access violation</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: " error 65: access violation at C:0x0042 : no 'execute/read' permission"</title><link>https://community.arm.com/thread/100437?ContentTypeID=1</link><pubDate>Tue, 01 Apr 2008 02:52:27 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:af14f966-fbf9-4ca9-9d5c-11b937029c70</guid><dc:creator>Andy Neil</dc:creator><description>&lt;p&gt;&lt;p&gt;
&lt;i&gt;&amp;quot;I am a new guy for KEIL.&lt;br /&gt;
How should I do?&amp;quot;&lt;/i&gt;&lt;/p&gt;

&lt;p&gt;
Obviously, the first thing you should do when starting out with
any new product is to &lt;b&gt;study the &lt;i&gt;manuals&lt;/i&gt;&lt;/b&gt;.&lt;br /&gt;
All of the manuals are installed on your hard drive with the tools,
and they are also available online:&lt;br /&gt;
&lt;a href="http://www.keil.com/support/man_c51.htm"&gt;http://www.keil.com/support/man_c51.htm&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
eg, you can read about the &lt;b&gt;END&lt;/b&gt; directive here:&lt;br /&gt;
&lt;a href="http://www.keil.com/support/man/docs/a51/a51_st_end.htm"&gt;http://www.keil.com/support/man/docs/a51/a51_st_end.htm&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
You should also spend some time familiarising yourself with the
other support resources available to you:&lt;br /&gt;
&lt;a href="http://www.keil.com/support/"&gt;http://www.keil.com/support/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
In particular, see the book list here:&lt;br /&gt;
&lt;a href="http://www.keil.com/books/"&gt;http://www.keil.com/books/&lt;/a&gt;&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: " error 65: access violation at C:0x0042 : no 'execute/read' permission"</title><link>https://community.arm.com/thread/76140?ContentTypeID=1</link><pubDate>Tue, 01 Apr 2008 01:56:23 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:d3e8eb1f-eae4-4326-a22c-6580c07c6417</guid><dc:creator>Arthur Dent</dc:creator><description>&lt;p&gt;&lt;p&gt;
Your code is flying off at the end!&lt;/p&gt;

&lt;p&gt;
Don&amp;#39;t assume that the END directive stops execution.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: " error 65: access violation at C:0x0042 : no 'execute/read' permission"</title><link>https://community.arm.com/thread/51647?ContentTypeID=1</link><pubDate>Tue, 01 Apr 2008 00:54:32 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:2f611090-e638-46fc-9f0d-864eb1c38427</guid><dc:creator>ImPer Westermark</dc:creator><description>&lt;p&gt;&lt;p&gt;
Why a new thread, instead of just a new post in this thread:&lt;br /&gt;
&lt;a href="http://www.keil.com/forum/docs/thread12131.asp"&gt;http://www.keil.com/forum/docs/thread12131.asp&lt;/a&gt;&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>