19 lines
447 B
HTML
19 lines
447 B
HTML
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<HTML>
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<HEAD>
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<TITLE>subn</TITLE></HEAD>
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<BODY>
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<h1>subn</h1>
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<B>Category</B><p>
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<a href="math_commands.html">Mathematical commands</a><p>
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<B>Syntax</B><p>
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<p>
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subn(vA,B);<p>
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vA -= B;<p>
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vA = vA - B;<p>
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<B>Description</B><p>
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<p>
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B is subtracted from vA. Since a var can only be from 0-255, if the result is less than 0, then the value wraps around, e.g. 10 - 12 would give 254.<p>
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<B>See also</B><p>
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<a href="subv.html">subv</a><p>
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</BODY></HTML>
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