Ви не можете вибрати більше 25 тем Теми мають розпочинатися з літери або цифри, можуть містити дефіси (-) і не повинні перевищувати 35 символів.

3 роки тому
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293
  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>Constants (Using as)</title>
  16. <meta name="description" content="Constants (Using as)">
  17. <meta name="keywords" content="Constants (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="Syntax.html#Syntax" rel="up" title="Syntax">
  25. <link href="Characters.html#Characters" rel="next" title="Characters">
  26. <link href="Statements.html#Statements" rel="prev" title="Statements">
  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="Constants"></a>
  57. <div class="header">
  58. <p>
  59. Previous: <a href="Statements.html#Statements" accesskey="p" rel="prev">Statements</a>, Up: <a href="Syntax.html#Syntax" accesskey="u" rel="up">Syntax</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="Constants-1"></a>
  63. <h3 class="section">3.6 Constants</h3>
  64. <a name="index-constants"></a>
  65. <p>A constant is a number, written so that its value is known by
  66. inspection, without knowing any context. Like this:
  67. </p><div class="smallexample">
  68. <pre class="smallexample">.byte 74, 0112, 092, 0x4A, 0X4a, 'J, '\J # All the same value.
  69. .ascii &quot;Ring the bell\7&quot; # A string constant.
  70. .octa 0x123456789abcdef0123456789ABCDEF0 # A bignum.
  71. .float 0f-314159265358979323846264338327\
  72. 95028841971.693993751E-40 # - pi, a flonum.
  73. </pre></div>
  74. <table class="menu" border="0" cellspacing="0">
  75. <tr><td align="left" valign="top">&bull; <a href="Characters.html#Characters" accesskey="1">Characters</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Character Constants
  76. </td></tr>
  77. <tr><td align="left" valign="top">&bull; <a href="Numbers.html#Numbers" accesskey="2">Numbers</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Number Constants
  78. </td></tr>
  79. </table>
  80. </body>
  81. </html>