103 lines
2.8 KiB
HTML
103 lines
2.8 KiB
HTML
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<!--Converted with LaTeX2HTML 2012 (1.2)
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original version by: Nikos Drakos, CBLU, University of Leeds
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* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan
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* with significant contributions from:
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<TITLE>Example</TITLE>
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<td class="navigation" align="left" width="33%"><A HREF="node15.html">pattern_end</A></td>
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<td class="navigation" align="center" width="34%"><A HREF="patterns.html">Patterns Module User's Manual</A></td>
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<H1><A NAME="SECTION00040000000000000000">
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Example</A>
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</H1>
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<code>Pattern</code> method for an addaccu
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<PRE>
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def Pattern(self):
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# initialisation
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pat = PatWrite(self._name+'.pat',self)
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# declaration of ports
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pat.declar(self.ck, 'B')
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pat.declar(self.load, 'B')
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pat.declar(self.input, 'X')
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pat.declar(self.output, 'X')
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pat.declar(self.vdd, 'B')
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pat.declar(self.vss, 'B')
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# use of pat.declar_interface(self) has the same effect
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# description beginning
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pat.pattern_begin()
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# affect vdd and vss values
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pat.affect_int(self.vdd,1)
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pat.affect_int(self.vss,0)
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# first pattern : load an initial value
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pat.affect_int(self.input,5)
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pat.affect_int(self.load,1)
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pat.affect_int(self.ck,0)
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# add the pattern in the pattern file
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pat.addpat()
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# compute next event
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pat.affect_int(self.ck,1)
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pat.addpat()
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# compute 22 cycle of accumulation
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pat.affect_int(self.load,0)
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for i in range(1,22):
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pat.affect_int(self.ck,0)
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pat.addpat()
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pat.affect_int(self.ck,1)
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pat.affect_int(self.output,i+5)
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pat.addpat()
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# end of the description
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pat.pattern_end()
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</PRE>
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<P>
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<BR> <HR>
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<ADDRESS>
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Sophie B<small>ELLOEIL</small><br>20051116.1
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</ADDRESS>
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