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<h5 class="subsection">Guarded Execution</h5>



   <p><code>as</code> supports the full range of guarded execution

directives for each instruction.  Just append the directive after the

instruction proper.  The directives are:



     <dl>

<dt><code>/tx</code>

     <dd>Execute the instruction if flag f0 is true. 

<br><dt><code>/fx</code>

     <dd>Execute the instruction if flag f0 is false. 

<br><dt><code>/xt</code>

     <dd>Execute the instruction if flag f1 is true. 

<br><dt><code>/xf</code>

     <dd>Execute the instruction if flag f1 is false. 

<br><dt><code>/tt</code>

     <dd>Execute the instruction if both flags f0 and f1 are true. 

<br><dt><code>/tf</code>

     <dd>Execute the instruction if flag f0 is true and flag f1 is false. 

</dl>



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