107 lines
5.4 KiB
HTML
107 lines
5.4 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns:MadCap="http://www.madcapsoftware.com/Schemas/MadCap.xsd" MadCap:lastBlockDepth="6" MadCap:lastHeight="94" MadCap:lastWidth="853" MadCap:disableMasterStylesheet="true" MadCap:tocPath="" MadCap:InPreviewMode="false" MadCap:PreloadImages="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" lang="en-us" xml:lang="en-us" MadCap:PathToHelpSystem="../../../" MadCap:HelpSystemFileName="Default.xml" MadCap:SearchType="Stem">
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<head><title>SELECT...CASE Example</title>
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<link href="../../SkinSupport/MadCap.css" rel="stylesheet" />
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<link href="../../Resources/Stylesheets/BSE_Help.css" rel="stylesheet" />
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<script src="../../SkinSupport/MadCapAll.js" type="text/javascript">
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</script>
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</head>
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<body>
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<h1>SELECT...CASE Example</h1>
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<div class="ImagePlusCaption">
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<div class="Col2">
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<p>
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<img src="../../graphics/pgm_icon2.gif" border="0" alt="BS2 icon" title="BS2 icon" />
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<img src="../../graphics/pgm_icon2e.gif" border="0" alt="BS2e icon" title="BS2e icon" />
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<img src="../../graphics/pgm_icon2sx.gif" border="0" alt="BS2sx icon" title="BS2sx icon" />
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<img src="../../graphics/pgm_icon2p.gif" border="0" alt="BS2p icon" title="BS2p icon" />
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<img src="../../graphics/pgm_icon2pe.gif" border="0" alt="BS2pe icon" title="BS2pe icon" />
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<img src="../../graphics/pgm_icon2px.gif" border="0" alt="BS2px icon" title="BS2px icon" /><span class="code_in_text"> {PBASIC 2.5}</span>
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</p>
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</div>
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<p style="text-align: right;">Syntax:<a href="../Commands/SELECT_CASE.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">SELECT...CASE</a> <![CDATA[ ]]></p>
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<p> </p>
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</div>
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<p class="clear"> </p>
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<p class="PlainText"> </p>
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<p>NOTE: The example below is written for the BS2 and will run on any of the BS2-family modules. Modify the $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p><pre class="BScode" xml:space="preserve">' SELECT-CASE.BS2
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' This program generates a series of 16-bit random numbers and tests each
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' to determine odd or even, and where it falls in the possible range:
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' lower third, middle third, or upper third. The program is useful for
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' testing various seed values for RANDOM.
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' {$STAMP BS2}
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' {$PBASIC 2.5}
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test VAR Byte ' counter for tests
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sample VAR Word ' random number to be tested
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odd VAR Byte ' odd throws
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even VAR Byte ' even throws
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isLo VAR Byte ' sample in lower third
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isMid VAR Byte ' in middle thrid
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isHi VAR Byte ' in upper third
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Main:
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sample = 11000 ' initialize seed
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FOR test = 1 TO 100 ' "throw" 100 times
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RANDOM sample ' randomize
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IF (sample.BIT0) THEN ' check odd/even bit
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odd = odd + 1 ' increment odd count
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ELSE
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even = even + 1 ' increment even count
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ENDIF
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SELECT sample
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CASE <= 21845 ' test lower third
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isLo = isLo + 1
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CASE 21846 TO 43691 ' test middle third
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isMid = isMid + 1
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CASE ELSE ' otherwise upper third
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isHi = isHi + 1
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ENDSELECT
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NEXT
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Show_Results:
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DEBUG CLS,
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"Odd Throws.... ", DEC odd, "%", CR,
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"Even Throws... ", DEC even, "%", CR,
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"Low........... ", DEC isLo, "%", CR,
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"Mid........... ", DEC isMid, "%", CR,
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"High.......... ", DEC isHi, "%", CR
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END</pre>
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<div class="Col2">
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<div class="MasterFoot">
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<p MadCap:conditions="BSEconditions.BSEWebHelp (Primary)-INCLUDE"><a href="../../HomeTopics/HomePage.htm">Go to Welcome page</a>
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</p>
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</div>
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<div class="Col2">
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<div class="MasterFoot">
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<p style="text-align: right;"><span class="ContactInfoProjectName">BASIC Stamp Help</span> <![CDATA[ ]]><span class="ContactInfoVersion#">Version 2.5.4</span> <![CDATA[ ]]></p>
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<p style="text-align: right;">Copyright © <span class="ContactInfoCompanyName">Parallax Inc.</span></p>
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<p style="text-align: right;"><span class="SystemShortDate">8/8/2012</span>
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</p>
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</div>
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</div>
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