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		<id>https://wikiti.brandonw.net/index.php?action=history&amp;feed=atom&amp;title=83Plus%3ABCALLs%3A516D</id>
		<title>83Plus:BCALLs:516D - Revision history</title>
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		<updated>2026-04-05T18:12:40Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5894&amp;oldid=prev</id>
		<title>Brandonw: purpose known</title>
		<link rel="alternate" type="text/html" href="https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5894&amp;oldid=prev"/>
				<updated>2007-05-18T03:12:27Z</updated>
		
		<summary type="html">&lt;p&gt;purpose known&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 03:12, 18 May 2007&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This BCALL will throw ERR:DOMAIN if [[83Plus:RAM:8478|OP1]] is not 1, 2, or 3.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This BCALL will throw ERR:DOMAIN if [[83Plus:RAM:8478|OP1]] is not 1, 2, or 3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This is &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;somehow used with &lt;/del&gt;the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;date&lt;/del&gt;/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;time functions&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This is &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;probably &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;source of the 84+&lt;/ins&gt;/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;SE BASIC setDtFmt( function&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Brandonw</name></author>	</entry>

	<entry>
		<id>https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5839&amp;oldid=prev</id>
		<title>Brandonw: purpose discovered</title>
		<link rel="alternate" type="text/html" href="https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5839&amp;oldid=prev"/>
				<updated>2007-04-04T15:34:16Z</updated>
		
		<summary type="html">&lt;p&gt;purpose discovered&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 15:34, 4 April 2007&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This BCALL will throw ERR:DOMAIN if [[83Plus:RAM:8478|OP1]] is not 1, 2, or 3.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This BCALL will throw ERR:DOMAIN if [[83Plus:RAM:8478|OP1]] is not 1, 2, or 3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;I can't imagine a reason for this&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This is somehow used with the date/time functions&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Brandonw</name></author>	</entry>

	<entry>
		<id>https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5742&amp;oldid=prev</id>
		<title>Brandonw at 08:43, 8 March 2007</title>
		<link rel="alternate" type="text/html" href="https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:516D&amp;diff=5742&amp;oldid=prev"/>
				<updated>2007-03-08T08:43:08Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:83Plus:BCALLs:By Name:FP_Math|IsOneTwoThree]] [[Category:83Plus:BCALLs:By Name|IsOneTwoThree]] [[Category:83Plus:BCALLs:By Address|516D - IsOneTwoThree]]&lt;br /&gt;
== Synopsis ==&lt;br /&gt;
'''Unofficial Name:''' IsOneTwoThree&lt;br /&gt;
&lt;br /&gt;
'''BCALL Address:''' 516D&lt;br /&gt;
&lt;br /&gt;
'''Minimum OS Version:''' 2.30&lt;br /&gt;
&lt;br /&gt;
Checks whether [[83Plus:RAM:8478|OP1]] is the floating point value 1, 2, or 3.&lt;br /&gt;
&lt;br /&gt;
=== Inputs ===&lt;br /&gt;
* [[83Plus:RAM:8478|OP1]]: floating point number to check&lt;br /&gt;
&lt;br /&gt;
=== Outputs ===&lt;br /&gt;
* [[83Plus:RAM:8478|OP1]]=1: 0,(iy+3Fh) and 1,(iy+3Fh) reset&lt;br /&gt;
* [[83Plus:RAM:8478|OP1]]=2: 0,(iy+3Fh) set and 1,(iy+3Fh) reset&lt;br /&gt;
* [[83Plus:RAM:8478|OP1]]=3: 0,(iy+3Fh) and 1,(iy+3Fh) set&lt;br /&gt;
&lt;br /&gt;
=== Registers Destroyed ===&lt;br /&gt;
* A&lt;br /&gt;
* [[83Plus:RAM:8478|OP1]], [[83Plus:RAM:8483|OP2]]&lt;br /&gt;
&lt;br /&gt;
== Comments ==&lt;br /&gt;
This BCALL will throw ERR:DOMAIN if [[83Plus:RAM:8478|OP1]] is not 1, 2, or 3.&lt;br /&gt;
&lt;br /&gt;
I can't imagine a reason for this.&lt;/div&gt;</summary>
		<author><name>Brandonw</name></author>	</entry>

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