annotate docs/nitros9guide/ded.refentry @ 1399:40ccec5c5717

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author boisy
date Fri, 10 Oct 2003 12:26:41 +0000
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1 <refentry id="ded">
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2 <refnamediv>
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3 <refname>DED</refname>
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4 <refpurpose>Disk Editor</refpurpose>
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5 </refnamediv>
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6
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7 <refsynopsisdiv>
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8 <cmdsynopsis>
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9 <command>ded</command>
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10 <arg choice="plain"><replaceable>pathlist</replaceable></arg>
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11 </cmdsynopsis>
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12 </refsynopsisdiv>
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13
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14 <refsect1><title>Description</title>
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15 <para>
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16 <command>dEd</command> is a screen-oriented disk editor utility.
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17 It was originally conceived as a floppy
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18 disk editor, so the display is organized around individual
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19 sectors. It performs most of the functions of Patch, from
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20 Computerware, but is faster, more compact, and
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21 screen-oriented rather than line-oriented. Individual files
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22 or the disk itself (hard, floppy, ram) can be examined and
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23 changed, sectors can be written to an output file, and
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24 executable modules can be located, linked to and verified.
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25 With simple changes, it will run on any CoCo Level I OS-9
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26 and possibly others (CoCo Level II OS-9).
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27 </para><para>
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28 To use, type:
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29 <screen>
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30 <command>dEd</command> <replaceable>pathlist</replaceable>
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31 </screen>
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32 where &lt;pathlist&gt; is of the form: filename or dirname
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33 or /path/filename
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34 or /D0@ (edits entire disk)
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35 </para><para>
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36 <command>dEd</command> will read in and display the first 256 bytes in the file
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37 (disk). This is Logical Sector Number (LSN) zero. You move
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38 through the file sector (LSN) by sector using the up and
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39 down arrow keys. The current LSN number is displayed in Hex
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40 and Decimal in the upper left corner of the screen. If the
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41 disk itself was accessed (by appending '@' to it's name when
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42 <command>dEd</command> was called), the LSN is the disk sector number. If an
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43 individual file is being editted, however, the LSN displayed
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44 refers to the file, not to the disk. All numbers requested
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45 by <command>dEd</command> must be in Hex format. All commands are accessed by
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46 simply pressing the desired key.
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47 </para>
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48 </refsect1>
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49 </refentry>