<html lang="en"> <head> <title>VAX-opcodes - Using as</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using as"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Vax_002dDependent.html#Vax_002dDependent" title="Vax-Dependent"> <link rel="prev" href="VAX_002ddirectives.html#VAX_002ddirectives" title="VAX-directives"> <link rel="next" href="VAX_002dbranch.html#VAX_002dbranch" title="VAX-branch"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991-2015 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. --> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="VAX-opcodes"></a> <a name="VAX_002dopcodes"></a> <p> Next: <a rel="next" accesskey="n" href="VAX_002dbranch.html#VAX_002dbranch">VAX-branch</a>, Previous: <a rel="previous" accesskey="p" href="VAX_002ddirectives.html#VAX_002ddirectives">VAX-directives</a>, Up: <a rel="up" accesskey="u" href="Vax_002dDependent.html#Vax_002dDependent">Vax-Dependent</a> <hr> </div> <h4 class="subsection">9.48.4 VAX Opcodes</h4> <p><a name="index-VAX-opcode-mnemonics-2355"></a><a name="index-opcode-mnemonics_002c-VAX-2356"></a><a name="index-mnemonics-for-opcodes_002c-VAX-2357"></a>All DEC mnemonics are supported. Beware that <code>case...</code> instructions have exactly 3 operands. The dispatch table that follows the <code>case...</code> instruction should be made with <code>.word</code> statements. This is compatible with all unix assemblers we know of. </body></html>