69 lines
3.2 KiB
HTML
69 lines
3.2 KiB
HTML
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<html lang="en">
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<head>
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<title>Z8000-Dependent - Using as</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="Using as">
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<meta name="generator" content="makeinfo 4.7">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Machine-Dependencies.html#Machine-Dependencies" title="Machine Dependencies">
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<link rel="prev" href="Z80_002dDependent.html#Z80_002dDependent" title="Z80-Dependent">
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<link rel="next" href="Vax_002dDependent.html#Vax_002dDependent" title="Vax-Dependent">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
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2006, 2007 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.1
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled ``GNU Free Documentation License''.
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man end-->
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<style type="text/css"><!--
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pre.display { font-family:inherit }
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pre.format { font-family:inherit }
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pre.smalldisplay { font-family:inherit; font-size:smaller }
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pre.smallformat { font-family:inherit; font-size:smaller }
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span.sc { font-variant:small-caps }
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span.roman { font-family: serif; font-weight: normal; }
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--></style>
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</head>
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<body>
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<div class="node">
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<p>
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<a name="Z8000_002dDependent"></a>Next: <a rel="next" accesskey="n" href="Vax_002dDependent.html#Vax_002dDependent">Vax-Dependent</a>,
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Previous: <a rel="previous" accesskey="p" href="Z80_002dDependent.html#Z80_002dDependent">Z80-Dependent</a>,
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Up: <a rel="up" accesskey="u" href="Machine-Dependencies.html#Machine-Dependencies">Machine Dependencies</a>
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<hr><br>
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</div>
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<h3 class="section">9.33 Z8000 Dependent Features</h3>
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<p><a name="index-Z8000-support-1701"></a>The Z8000 as supports both members of the Z8000 family: the
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unsegmented Z8002, with 16 bit addresses, and the segmented Z8001 with
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24 bit addresses.
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<p>When the assembler is in unsegmented mode (specified with the
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<code>unsegm</code> directive), an address takes up one word (16 bit)
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sized register. When the assembler is in segmented mode (specified with
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the <code>segm</code> directive), a 24-bit address takes up a long (32 bit)
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register. See <a href="Z8000-Directives.html#Z8000-Directives">Assembler Directives for the Z8000</a>,
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for a list of other Z8000 specific assembler directives.
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<ul class="menu">
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<li><a accesskey="1" href="Z8000-Options.html#Z8000-Options">Z8000 Options</a>: Command-line options for the Z8000
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<li><a accesskey="2" href="Z8000-Syntax.html#Z8000-Syntax">Z8000 Syntax</a>: Assembler syntax for the Z8000
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<li><a accesskey="3" href="Z8000-Directives.html#Z8000-Directives">Z8000 Directives</a>: Special directives for the Z8000
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<li><a accesskey="4" href="Z8000-Opcodes.html#Z8000-Opcodes">Z8000 Opcodes</a>: Opcodes
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</ul>
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</body></html>
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