<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 4.13"> <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) 1991-2015 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="TIC54X-Ext"></a> <a name="TIC54X_002dExt"></a> <p> 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> </div> <h4 class="subsection">9.43.8 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>