<html lang="en"> <head> <title>TIC54X-Ext - Using as</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using as"> <meta name="generator" content="makeinfo 4.7"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="TIC54X_002dDependent.html#TIC54X_002dDependent" title="TIC54X-Dependent"> <link rel="prev" href="TIC54X_002dBuiltins.html#TIC54X_002dBuiltins" title="TIC54X-Builtins"> <link rel="next" href="TIC54X_002dDirectives.html#TIC54X_002dDirectives" title="TIC54X-Directives"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002, 2006, 2007 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 1.1 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''. man end--> <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; } --></style> </head> <body> <div class="node"> <p> <a name="TIC54X_002dExt"></a>Next: <a rel="next" accesskey="n" href="TIC54X_002dDirectives.html#TIC54X_002dDirectives">TIC54X-Directives</a>, Previous: <a rel="previous" accesskey="p" href="TIC54X_002dBuiltins.html#TIC54X_002dBuiltins">TIC54X-Builtins</a>, Up: <a rel="up" accesskey="u" href="TIC54X_002dDependent.html#TIC54X_002dDependent">TIC54X-Dependent</a> <hr><br> </div> <h4 class="subsection">9.31.8 Extended Addressing</h4> <p>The <code>LDX</code> pseudo-op is provided for loading the extended addressing bits of a label or address. For example, if an address <code>_label</code> resides in extended program memory, the value of <code>_label</code> may be loaded as follows: <pre class="smallexample"> ldx #_label,16,a ; loads extended bits of _label or #_label,a ; loads lower 16 bits of _label bacc a ; full address is in accumulator A </pre> </body></html>