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<!DOCTYPE html> <html> <!-- This is an automatically generated file. Do not edit. This file is part of RGBDS. Copyright (c) 2010-2018, Anthony J. Bentley and RGBDS contributors. SPDX-License-Identifier: MIT --> <head> <meta charset="utf-8"/> <link rel="stylesheet" href="mandoc.css" type="text/css" media="all"/> <title>RGBASM(1)</title> </head> <body> <table class="head"> <tr> <td class="head-ltitle">RGBASM(1)</td> <td class="head-vol">General Commands Manual</td> <td class="head-rtitle">RGBASM(1)</td> </tr> </table> <div class="manual-text"> <section class="Sh"> <h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> <code class="Nm">rgbasm</code> — <div class="Nd">Game Boy assembler</div> </section> <section class="Sh"> <h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> <table class="Nm"> <tr> <td><code class="Nm">rgbasm</code></td> <td>[<code class="Fl">-EhLVvw</code>] [<code class="Fl">-b</code> <var class="Ar">chars</var>] [<code class="Fl">-D</code> <var class="Ar">name</var>[=<var class="Ar">value</var>]] [<code class="Fl">-g</code> <var class="Ar">chars</var>] [<code class="Fl">-i</code> <var class="Ar">path</var>] [<code class="Fl">-M</code> <var class="Ar">dependfile</var>] [<code class="Fl">-o</code> <var class="Ar">outfile</var>] [<code class="Fl">-p</code> <var class="Ar">pad_value</var>] <var class="Ar">file</var></td> </tr> </table> </section> <section class="Sh"> <h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> The <code class="Nm">rgbasm</code> program creates an object file from an assembly source file. Its arguments are as follows: <dl class="Bl-tag"> <dt><a class="permalink" href="#b"><code class="Fl" id="b">-b</code></a> <var class="Ar">chars</var></dt> <dd>Change the two characters used for binary constants. The defaults are 01.</dd> <dt><a class="permalink" href="#D"><code class="Fl" id="D">-D</code></a> <var class="Ar">name</var>[=<var class="Ar">value</var>]</dt> <dd>Add string symbol to the compiled source code. This is equivalent to <var class="Ar">name</var> <code class="Cm">EQUS</code> “<var class="Ar">value</var>” in code. If a value is not specified, a value of 1 is given.</dd> <dt><a class="permalink" href="#E"><code class="Fl" id="E">-E</code></a></dt> <dd>Export all labels, including unreferenced and local labels.</dd> <dt><a class="permalink" href="#g"><code class="Fl" id="g">-g</code></a> <var class="Ar">chars</var></dt> <dd>Change the four characters used for binary constants. The defaults are 0123.</dd> <dt><a class="permalink" href="#h"><code class="Fl" id="h">-h</code></a></dt> <dd>By default, <code class="Nm">rgbasm</code> inserts a ‘nop’ instruction immediately after any ‘halt’ instruction. The <code class="Fl">-h</code> option disables this behavior.</dd> <dt><a class="permalink" href="#i"><code class="Fl" id="i">-i</code></a> <var class="Ar">path</var></dt> <dd>Add an include path.</dd> <dt><a class="permalink" href="#L"><code class="Fl" id="L">-L</code></a></dt> <dd>Disable the optimization that turns loads of the form <b class="Sy">LD [$FF00+n8],A</b> into the opcode <b class="Sy">LDH [$FF00+n8],A</b> in order to have full control of the result in the final ROM.</dd> <dt><a class="permalink" href="#M"><code class="Fl" id="M">-M</code></a> <var class="Ar">dependfile</var></dt> <dd>Print <a class="Xr">make(1)</a> dependencies to <var class="Ar">dependfile</var>.</dd> <dt><a class="permalink" href="#o"><code class="Fl" id="o">-o</code></a> <var class="Ar">outfile</var></dt> <dd>Write an object file to the given filename.</dd> <dt><a class="permalink" href="#p"><code class="Fl" id="p">-p</code></a> <var class="Ar">pad_value</var></dt> <dd>When padding an image, pad with this value. The default is 0x00.</dd> <dt><a class="permalink" href="#V"><code class="Fl" id="V">-V</code></a></dt> <dd>Print the version of the program and exit.</dd> <dt><a class="permalink" href="#v"><code class="Fl" id="v">-v</code></a></dt> <dd>Be verbose.</dd> <dt><a class="permalink" href="#w"><code class="Fl" id="w">-w</code></a></dt> <dd>Disable warning output.</dd> </dl> </section> <section class="Sh"> <h1 class="Sh" id="EXAMPLES"><a class="permalink" href="#EXAMPLES">EXAMPLES</a></h1> Assembling a basic source file is simple: <div class="Bd Pp Bd-indent"> <pre> $ rgbasm -o bar.o foo.asm </pre> </div> <p class="Pp">The resulting object file is not yet a usable ROM image — it must first be run through <a class="Xr">rgblink(1)</a> and <a class="Xr">rgbfix(1)</a>.</p> </section> <section class="Sh"> <h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE ALSO</a></h1> <a class="Xr">rgbasm(5)</a>, <a class="Xr">rgbfix(1)</a>, <a class="Xr">rgblink(1)</a>, <a class="Xr">rgbds(5)</a>, <a class="Xr">rgbds(7)</a>, <a class="Xr">gbz80(7)</a> </section> <section class="Sh"> <h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> <code class="Nm">rgbasm</code> was originally written by Carsten Sørensen as part of the ASMotor package, and was later packaged in RGBDS by Justin Lloyd. It is now maintained by a number of contributors at <a class="Lk" href="https://github.com/rednex/rgbds">https://github.com/rednex/rgbds</a>. </section> </div> <table class="foot"> <tr> <td class="foot-date">February 24, 2018</td> <td class="foot-os">RGBDS Manual</td> </tr> </table> </body> </html>