https://www.temlib.org/AtariForumWiki/index.php?action=history&feed=atom&title=DuneGraph_file_format 2026-07-27T05:29:16Z Revision history for this page on the wiki MediaWiki 1.39.2 https://www.temlib.org/AtariForumWiki/index.php?title=DuneGraph_file_format&diff=12916&oldid=prev 2017-01-27T05:56:55Z

<p>corrected DuneGraph file extensions</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:56, 27 January 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>DuneGraph        *.<del style="font-weight: bold; text-decoration: none;">DGU</del>, *.<del style="font-weight: bold; text-decoration: none;">DGC</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>DuneGraph        *.<ins style="font-weight: bold; text-decoration: none;">DG1</ins>, *.<ins style="font-weight: bold; text-decoration: none;">DC1</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The *.DGU is a simple uncompressed format:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The *.DGU is a simple uncompressed format:</div></td></tr> </table>

>Lp https://www.temlib.org/AtariForumWiki/index.php?title=DuneGraph_file_format&diff=12915&oldid=prev 2017-01-02T23:05:41Z

<p>moved <a href="/AtariForumWiki/index.php/DuneGraph" class="mw-redirect" title="DuneGraph">DuneGraph</a> to <a href="/AtariForumWiki/index.php/DuneGraph_file_format" title="DuneGraph file format">DuneGraph file format</a>: For consistency</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:05, 2 January 2017</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

>Lp https://www.temlib.org/AtariForumWiki/index.php?title=DuneGraph_file_format&diff=12914&oldid=prev 2017-01-02T21:13:26Z

<p>New page</p> <p><b>New page</b></p><div>&lt;pre&gt;<br /> DuneGraph *.DGU, *.DGC<br /> <br /> The *.DGU is a simple uncompressed format:<br /> 3 bytes 'DGU' file ID ($444755)<br /> 1 byte version number (1)<br /> 1 word xres (320)<br /> 1 word yres (200)<br /> 256 long palette, Falcon format, RG0B<br /> 64000 bytes picture data, 320x200, 8 bitplanes (other resolutions have not been seen)<br /> <br /> The *.DC1 is a simple compressed format:<br /> 3 bytes 'DGC' file ID ($444743)<br /> 1 byte packing method (0, 1, 2 or 3)<br /> 1 word xres<br /> 1 word yres<br /> 1 word unknown ($00ff)<br /> 256 long palette, Falcon format, RG0B<br /> ??? bytes compressed picture data<br /> Compressed picture data:<br /> Method 0: no compression, 64000 bytes, 320x200, 8 bitplanes<br /> For method 1 to 3 the bit planes are unmixed, so first you get all<br /> data for bit plane 0, then bit plane one etc.<br /> Method 1: simple runlength on byte level<br /> 1 long size of compressed data, including this long<br /> do<br /> 1 byte repeat count<br /> 1 byte data<br /> write (repeat count+1) times data<br /> until you run out of compressed data<br /> Method 2: simple runlength on word level<br /> 1 long size of compressed data, including this long<br /> do<br /> 1 word repeat count<br /> 1 word data<br /> write (repeat count+1) times data<br /> until you run out of compressed data<br /> Method 3: simple runlength on long level<br /> 1 long size of compressed data, including this long<br /> do<br /> 1 word repeat count<br /> 1 long data<br /> write (repeat count+1) times data<br /> until you run out of compressed data<br /> &lt;/pre&gt;<br /> Back to [[ST Picture Formats]]</div>

>Lp