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35 lines
4.5 KiB
HTML
35 lines
4.5 KiB
HTML
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<HTML><HEAD>
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<TITLE>Renaming a Volume</TITLE>
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<OBJECT TYPE="application/x-oleobject" CLASSID="clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">
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<PARAM NAME="Keyword" VALUE="rename">
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</OBJECT>
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<META NAME="AUTHOR" CONTENT="Copyright (C) 2014 by CiderPress authors">
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<META NAME="GENERATOR" CONTENT="HelpScribble 7.8.8">
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<STYLE> span { display: inline-block; }</STYLE>
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</HEAD>
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<BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000">
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="4">Renaming a Volume</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">You can change the volume name of a ProDOS or Pascal disk image, or the volume number of a DOS 3.3 disk image, by selecting "Rename volume" from the Actions menu.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">You will be presented with a tree of volumes to rename. In most cases there will only be one possible, but if you're working with a disk image that has embedded DOS sub-volumes, or a partitioned image like a CFFA card, you will see multiple entries. Click on the one you want to rename.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">In the box at the bottom, enter the new volume name or number. When you click "OK", CiderPress will update the volume name.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">Volume names for ProDOS and Pascal are very similar to file names. ProDOS volume names aren't allowed to have a space in them, even if "<A HREF="t259.htm">allow lower case</A>" is enabled, but are otherwise identical. Pascal volume names use the same set of characters as filenames, but are limited to 7 characters.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">The volume "name" for a DOS 3.3 disk is its volume number, which can range from 1 to 254. (Initializing a disk under DOS 3.3 with volume number 0 yields volume number 254. Attempting to use volume number 255 results in a "range error".)</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">The DOS volume number is actually stored in up to three places:</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><SPAN STYLE="width: 17pt"><FONT FACE="MS Sans Serif" SIZE="2"> </span>1. If the file has a 2MG header, the volume number may be specified there.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><SPAN STYLE="width: 17pt"><FONT FACE="MS Sans Serif" SIZE="2"> </span>2. If the file is a nibble image, a copy of the volume number is stored in the address header of every sector on the disk.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><SPAN STYLE="width: 17pt"><FONT FACE="MS Sans Serif" SIZE="2"> </span>3. A copy is stored in the disk Volume Table of Contents (VTOC).</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">The "rename volume" function only updates #3. The DOS "CATALOG" command uses #2, which means that changing the volume number with CiderPress may not have an impact on what you see in an emulator. For non-nibble images, most emulators just generate the default volume number (254) into each sector. CiderPress itself prefers #2 over #3, so changing the volume number on a nibble image may not have any noticeable impact within CiderPress itself.</FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2"> </FONT></P>
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<P STYLE="margin-top:0;margin-bottom:0;"><FONT FACE="MS Sans Serif" SIZE="2">Some emulators will obey the 2MG volume number (#1), so you may want to change it in both places. You can set the value in the 2MG header with the <A HREF="t277.htm">2MG Properties Editor</A>. All things considered, it's probably best to just leave it set to 254.
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</FONT>
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</P>
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</BODY></HTML>
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