選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2. <html>
  3. <!-- This file documents the GNU Assembler "as".
  4. Copyright (C) 1991-2020 Free Software Foundation, Inc.
  5. Permission is granted to copy, distribute and/or modify this document
  6. under the terms of the GNU Free Documentation License, Version 1.3
  7. or any later version published by the Free Software Foundation;
  8. with no Invariant Sections, with no Front-Cover Texts, and with no
  9. Back-Cover Texts. A copy of the license is included in the
  10. section entitled "GNU Free Documentation License".
  11. -->
  12. <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
  13. <head>
  14. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  15. <title>Altmacro (Using as)</title>
  16. <meta name="description" content="Altmacro (Using as)">
  17. <meta name="keywords" content="Altmacro (Using as)">
  18. <meta name="resource-type" content="document">
  19. <meta name="distribution" content="global">
  20. <meta name="Generator" content="makeinfo">
  21. <link href="index.html#Top" rel="start" title="Top">
  22. <link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
  23. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
  24. <link href="Pseudo-Ops.html#Pseudo-Ops" rel="up" title="Pseudo Ops">
  25. <link href="Ascii.html#Ascii" rel="next" title="Ascii">
  26. <link href="Align.html#Align" rel="prev" title="Align">
  27. <style type="text/css">
  28. <!--
  29. a.summary-letter {text-decoration: none}
  30. blockquote.indentedblock {margin-right: 0em}
  31. blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
  32. blockquote.smallquotation {font-size: smaller}
  33. div.display {margin-left: 3.2em}
  34. div.example {margin-left: 3.2em}
  35. div.lisp {margin-left: 3.2em}
  36. div.smalldisplay {margin-left: 3.2em}
  37. div.smallexample {margin-left: 3.2em}
  38. div.smalllisp {margin-left: 3.2em}
  39. kbd {font-style: oblique}
  40. pre.display {font-family: inherit}
  41. pre.format {font-family: inherit}
  42. pre.menu-comment {font-family: serif}
  43. pre.menu-preformatted {font-family: serif}
  44. pre.smalldisplay {font-family: inherit; font-size: smaller}
  45. pre.smallexample {font-size: smaller}
  46. pre.smallformat {font-family: inherit; font-size: smaller}
  47. pre.smalllisp {font-size: smaller}
  48. span.nolinebreak {white-space: nowrap}
  49. span.roman {font-family: initial; font-weight: normal}
  50. span.sansserif {font-family: sans-serif; font-weight: normal}
  51. ul.no-bullet {list-style: none}
  52. -->
  53. </style>
  54. </head>
  55. <body lang="en">
  56. <a name="Altmacro"></a>
  57. <div class="header">
  58. <p>
  59. Next: <a href="Ascii.html#Ascii" accesskey="n" rel="next">Ascii</a>, Previous: <a href="Align.html#Align" accesskey="p" rel="prev">Align</a>, Up: <a href="Pseudo-Ops.html#Pseudo-Ops" accesskey="u" rel="up">Pseudo Ops</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
  60. </div>
  61. <hr>
  62. <a name="g_t_002ealtmacro"></a>
  63. <h3 class="section">7.4 <code>.altmacro</code></h3>
  64. <p>Enable alternate macro mode, enabling:
  65. </p>
  66. <dl compact="compact">
  67. <dt><code>LOCAL <var>name</var> [ , &hellip; ]</code>
  68. <a name="index-LOCAL-name-_005b-_002c-_2026-_005d"></a>
  69. </dt>
  70. <dd><p>One additional directive, <code>LOCAL</code>, is available. It is used to
  71. generate a string replacement for each of the <var>name</var> arguments, and
  72. replace any instances of <var>name</var> in each macro expansion. The
  73. replacement string is unique in the assembly, and different for each
  74. separate macro expansion. <code>LOCAL</code> allows you to write macros that
  75. define symbols, without fear of conflict between separate macro expansions.
  76. </p>
  77. </dd>
  78. <dt><code>String delimiters</code>
  79. <a name="index-String-delimiters"></a>
  80. </dt>
  81. <dd><p>You can write strings delimited in these other ways besides
  82. <code>&quot;<var>string</var>&quot;</code>:
  83. </p>
  84. <dl compact="compact">
  85. <dt><code>'<var>string</var>'</code></dt>
  86. <dd><p>You can delimit strings with single-quote characters.
  87. </p>
  88. </dd>
  89. <dt><code>&lt;<var>string</var>&gt;</code></dt>
  90. <dd><p>You can delimit strings with matching angle brackets.
  91. </p></dd>
  92. </dl>
  93. </dd>
  94. <dt><code>single-character string escape</code>
  95. <a name="index-single_002dcharacter-string-escape"></a>
  96. </dt>
  97. <dd><p>To include any single character literally in a string (even if the
  98. character would otherwise have some special meaning), you can prefix the
  99. character with &lsquo;<samp>!</samp>&rsquo; (an exclamation mark). For example, you can
  100. write &lsquo;<samp>&lt;4.3 !&gt; 5.4!!&gt;</samp>&rsquo; to get the literal text &lsquo;<samp>4.3 &gt; 5.4!</samp>&rsquo;.
  101. </p>
  102. </dd>
  103. <dt><code>Expression results as strings</code>
  104. <a name="index-Expression-results-as-strings"></a>
  105. </dt>
  106. <dd><p>You can write &lsquo;<samp>%<var>expr</var></samp>&rsquo; to evaluate the expression <var>expr</var>
  107. and use the result as a string.
  108. </p></dd>
  109. </dl>
  110. </body>
  111. </html>