git.y1.nz

gbdk-2020

GameBoy Development Kit
download: https://git.y1.nz/archives/gbdk.tar.gz
README | Files | Log | Refs | LICENSE

docs/api/gb_2gbdecompress_8h.html

      1 <!-- HTML header for doxygen 1.8.14-->
      2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
      3 <html xmlns="http://www.w3.org/1999/xhtml">
      4 <head>
      5 <meta http-equiv="cache-control" content="max-age=86400"/>
      6 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
      7 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
      8 <meta name="generator" content="Doxygen 1.9.2"/>
      9 <meta name="viewport" content="width=device-width, initial-scale=1"/>
     10 <title>GBDK 2020 Docs: gbdk-lib/include/gb/gbdecompress.h File Reference</title>
     11 <link href="tabs.css" rel="stylesheet" type="text/css"/>
     12 <script type="text/javascript" src="jquery.js"></script>
     13 <script type="text/javascript" src="dynsections.js"></script>
     14 <link href="navtree.css" rel="stylesheet" type="text/css"/>
     15 <script type="text/javascript" src="resize.js"></script>
     16 <script type="text/javascript" src="navtreedata.js"></script>
     17 <script type="text/javascript" src="navtree.js"></script>
     18 <link href="search/search.css" rel="stylesheet" type="text/css"/>
     19 <script type="text/javascript" src="search/searchdata.js"></script>
     20 <script type="text/javascript" src="search/search.js"></script>
     21 <link href="doxygen.css" rel="stylesheet" type="text/css" />
     22 <link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
     23 <link href="doxygen-awesome-sidebar-only.css" rel="stylesheet" type="text/css"/>
     24 <link href="doxygen-awesome-sidebar-only-darkmode-toggle.css" rel="stylesheet" type="text/css"/>
     25 <!-- BEGIN: doxygen-awesome-css -->
     26         <script type="text/javascript" src="doxygen-awesome-darkmode-toggle.js"></script>
     27         <script type="text/javascript">
     28             DoxygenAwesomeDarkModeToggle.init()
     29         </script>
     30         <script type="text/javascript" src="doxygen-awesome-paragraph-link.js"></script>
     31         <script type="text/javascript">
     32             DoxygenAwesomeParagraphLink.init()
     33         </script>        
     34 <!-- END: doxygen-awesome-css -->
     35 </head>
     36 <body>
     37 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
     38 <div id="titlearea">
     39 <table cellspacing="0" cellpadding="0">
     40  <tbody>
     41  <tr style="height: 56px;">
     42   <td id="projectalign" style="padding-left: 0.5em;">
     43    <div id="projectname">GBDK 2020 Docs
     44    &#160;<span id="projectnumber">4.5.0</span>
     45    </div>
     46    <div id="projectbrief">API Documentation for GBDK 2020</div>
     47   </td>
     48  </tr>
     49  </tbody>
     50 </table>
     51 </div>
     52 <!-- end header part -->
     53 <!-- Generated by Doxygen 1.9.2 -->
     54 <script type="text/javascript">
     55 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
     56 var searchBox = new SearchBox("searchBox", "search",'Search','.html');
     57 /* @license-end */
     58 </script>
     59 <script type="text/javascript" src="menudata.js"></script>
     60 <script type="text/javascript" src="menu.js"></script>
     61 <script type="text/javascript">
     62 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
     63 $(function() {
     64   initMenu('',true,false,'search.php','Search');
     65   $(document).ready(function() { init_search(); });
     66 });
     67 /* @license-end */
     68 </script>
     69 <div id="main-nav"></div>
     70 </div><!-- top -->
     71 <div id="side-nav" class="ui-resizable side-nav-resizable">
     72   <div id="nav-tree">
     73     <div id="nav-tree-contents">
     74       <div id="nav-sync" class="sync"></div>
     75     </div>
     76   </div>
     77   <div id="splitbar" style="-moz-user-select:none;" 
     78        class="ui-resizable-handle">
     79   </div>
     80 </div>
     81 <script type="text/javascript">
     82 /* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
     83 $(document).ready(function(){initNavTree('gb_2gbdecompress_8h.html',''); initResizable(); });
     84 /* @license-end */
     85 </script>
     86 <div id="doc-content">
     87 <!-- window showing the filter options -->
     88 <div id="MSearchSelectWindow"
     89      onmouseover="return searchBox.OnSearchSelectShow()"
     90      onmouseout="return searchBox.OnSearchSelectHide()"
     91      onkeydown="return searchBox.OnSearchSelectKey(event)">
     92 </div>
     93 
     94 <!-- iframe showing the search results (closed by default) -->
     95 <div id="MSearchResultsWindow">
     96 <iframe src="javascript:void(0)" frameborder="0" 
     97         name="MSearchResults" id="MSearchResults">
     98 </iframe>
     99 </div>
    100 
    101 <div class="header">
    102   <div class="summary">
    103 <a href="#func-members">Functions</a>  </div>
    104   <div class="headertitle"><div class="title">gbdecompress.h File Reference</div></div>
    105 </div><!--header-->
    106 <div class="contents">
    107 <div class="textblock"><code>#include &lt;types.h&gt;</code><br />
    108 <code>#include &lt;<a class="el" href="stdint_8h_source.html">stdint.h</a>&gt;</code><br />
    109 </div>
    110 <p><a href="gb_2gbdecompress_8h_source.html">Go to the source code of this file.</a></p>
    111 <table class="memberdecls">
    112 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
    113 Functions</h2></td></tr>
    114 <tr class="memitem:gb_decompress"><td class="memItemLeft" align="right" valign="top"><a class="el" href="stdint_8h.html#uint16_t">uint16_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress">gb_decompress</a> (const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour, <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *dest)</td></tr>
    115 <tr class="separator:gb_decompress"><td class="memSeparator" colspan="2">&#160;</td></tr>
    116 <tr class="memitem:gb_decompress_bkg_data"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a> (<a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> first_tile, const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour)</td></tr>
    117 <tr class="separator:gb_decompress_bkg_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
    118 <tr class="memitem:gb_decompress_win_data"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_win_data">gb_decompress_win_data</a> (<a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> first_tile, const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour)</td></tr>
    119 <tr class="separator:gb_decompress_win_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
    120 <tr class="memitem:gb_decompress_sprite_data"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_sprite_data">gb_decompress_sprite_data</a> (<a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> first_tile, const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *sour)</td></tr>
    121 <tr class="separator:gb_decompress_sprite_data"><td class="memSeparator" colspan="2">&#160;</td></tr>
    122 </table>
    123 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    124 <div class="textblock"><p >GB-Compress decompressor Compatible with the compression used in GBTD </p><dl class="section see"><dt>See also</dt><dd>utility_gbcompress "gbcompress"</dd></dl>
    125 <p>GB-Compress decompressor Compatible with the compression used in GBTD </p>
    126 </div><h2 class="groupheader">Function Documentation</h2>
    127 <a id="gb_decompress" name="gb_decompress"></a>
    128 <h2 class="memtitle"><span class="permalink"><a href="#gb_decompress">&#9670;&nbsp;</a></span>gb_decompress()</h2>
    129 
    130 <div class="memitem">
    131 <div class="memproto">
    132       <table class="memname">
    133         <tr>
    134           <td class="memname"><a class="el" href="stdint_8h.html#uint16_t">uint16_t</a> gb_decompress </td>
    135           <td>(</td>
    136           <td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
    137           <td class="paramname"><em>sour</em>, </td>
    138         </tr>
    139         <tr>
    140           <td class="paramkey"></td>
    141           <td></td>
    142           <td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
    143           <td class="paramname"><em>dest</em>&#160;</td>
    144         </tr>
    145         <tr>
    146           <td></td>
    147           <td>)</td>
    148           <td></td><td></td>
    149         </tr>
    150       </table>
    151 </div><div class="memdoc">
    152 <p >gb-decompress data from sour into dest</p>
    153 <dl class="params"><dt>Parameters</dt><dd>
    154   <table class="params">
    155     <tr><td class="paramname">sour</td><td>Pointer to source gb-compressed data </td></tr>
    156     <tr><td class="paramname">dest</td><td>Pointer to destination buffer/address</td></tr>
    157   </table>
    158   </dd>
    159 </dl>
    160 <p>Will decompress <b>all</b> of it's data to destination without stopping until the end of compressed data is reached. It is not possible to set a limit, so ensure the destination buffer has sufficient space to avoid an overflow.</p>
    161 <dl class="section see"><dt>See also</dt><dd><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_win_data">gb_decompress_win_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_sprite_data">gb_decompress_sprite_data</a>, <a class="el" href="rledecompress_8h.html#rle_decompress">rle_decompress</a></dd></dl>
    162 <p>gb-decompress data from sour into dest</p>
    163 <dl class="params"><dt>Parameters</dt><dd>
    164   <table class="params">
    165     <tr><td class="paramname">sour</td><td>Pointer to source gb-compressed data </td></tr>
    166     <tr><td class="paramname">dest</td><td>Pointer to destination buffer/address</td></tr>
    167   </table>
    168   </dd>
    169 </dl>
    170 <dl class="section return"><dt>Returns</dt><dd>Return value is number of bytes decompressed</dd></dl>
    171 <dl class="section see"><dt>See also</dt><dd><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_win_data">gb_decompress_win_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_sprite_data">gb_decompress_sprite_data</a> </dd></dl>
    172 
    173 </div>
    174 </div>
    175 <a id="gb_decompress_bkg_data" name="gb_decompress_bkg_data"></a>
    176 <h2 class="memtitle"><span class="permalink"><a href="#gb_decompress_bkg_data">&#9670;&nbsp;</a></span>gb_decompress_bkg_data()</h2>
    177 
    178 <div class="memitem">
    179 <div class="memproto">
    180       <table class="memname">
    181         <tr>
    182           <td class="memname">void gb_decompress_bkg_data </td>
    183           <td>(</td>
    184           <td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a>&#160;</td>
    185           <td class="paramname"><em>first_tile</em>, </td>
    186         </tr>
    187         <tr>
    188           <td class="paramkey"></td>
    189           <td></td>
    190           <td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
    191           <td class="paramname"><em>sour</em>&#160;</td>
    192         </tr>
    193         <tr>
    194           <td></td>
    195           <td>)</td>
    196           <td></td><td></td>
    197         </tr>
    198       </table>
    199 </div><div class="memdoc">
    200 <p >gb-decompress background tiles into VRAM</p>
    201 <dl class="params"><dt>Parameters</dt><dd>
    202   <table class="params">
    203     <tr><td class="paramname">first_tile</td><td>Index of the first tile to write </td></tr>
    204     <tr><td class="paramname">sour</td><td>Pointer to (gb-compressed 2 bpp) source Tile Pattern data.</td></tr>
    205   </table>
    206   </dd>
    207 </dl>
    208 <p>Note: This function avoids writes during modes 2 &amp; 3</p>
    209 <p >Will decompress <b>all</b> of it's data to destination without stopping until the end of compressed data is reached. It is not possible to set a limit, so ensure the destination buffer has sufficient space to avoid an overflow.</p>
    210 <dl class="section see"><dt>See also</dt><dd><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_win_data">gb_decompress_win_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_sprite_data">gb_decompress_sprite_data</a> </dd></dl>
    211 
    212 </div>
    213 </div>
    214 <a id="gb_decompress_win_data" name="gb_decompress_win_data"></a>
    215 <h2 class="memtitle"><span class="permalink"><a href="#gb_decompress_win_data">&#9670;&nbsp;</a></span>gb_decompress_win_data()</h2>
    216 
    217 <div class="memitem">
    218 <div class="memproto">
    219       <table class="memname">
    220         <tr>
    221           <td class="memname">void gb_decompress_win_data </td>
    222           <td>(</td>
    223           <td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a>&#160;</td>
    224           <td class="paramname"><em>first_tile</em>, </td>
    225         </tr>
    226         <tr>
    227           <td class="paramkey"></td>
    228           <td></td>
    229           <td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
    230           <td class="paramname"><em>sour</em>&#160;</td>
    231         </tr>
    232         <tr>
    233           <td></td>
    234           <td>)</td>
    235           <td></td><td></td>
    236         </tr>
    237       </table>
    238 </div><div class="memdoc">
    239 <p >gb-decompress window tiles into VRAM</p>
    240 <dl class="params"><dt>Parameters</dt><dd>
    241   <table class="params">
    242     <tr><td class="paramname">first_tile</td><td>Index of the first tile to write </td></tr>
    243     <tr><td class="paramname">sour</td><td>Pointer to (gb-compressed 2 bpp) source Tile Pattern data.</td></tr>
    244   </table>
    245   </dd>
    246 </dl>
    247 <p>This is the same as <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, since the Window Layer and Background Layer share the same Tile pattern data.</p>
    248 <p >Note: This function avoids writes during modes 2 &amp; 3</p>
    249 <p >Will decompress <b>all</b> of it's data to destination without stopping until the end of compressed data is reached. It is not possible to set a limit, so ensure the destination buffer has sufficient space to avoid an overflow.</p>
    250 <dl class="section see"><dt>See also</dt><dd><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress">gb_decompress</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_sprite_data">gb_decompress_sprite_data</a> </dd></dl>
    251 
    252 </div>
    253 </div>
    254 <a id="gb_decompress_sprite_data" name="gb_decompress_sprite_data"></a>
    255 <h2 class="memtitle"><span class="permalink"><a href="#gb_decompress_sprite_data">&#9670;&nbsp;</a></span>gb_decompress_sprite_data()</h2>
    256 
    257 <div class="memitem">
    258 <div class="memproto">
    259       <table class="memname">
    260         <tr>
    261           <td class="memname">void gb_decompress_sprite_data </td>
    262           <td>(</td>
    263           <td class="paramtype"><a class="el" href="stdint_8h.html#uint8_t">uint8_t</a>&#160;</td>
    264           <td class="paramname"><em>first_tile</em>, </td>
    265         </tr>
    266         <tr>
    267           <td class="paramkey"></td>
    268           <td></td>
    269           <td class="paramtype">const <a class="el" href="stdint_8h.html#uint8_t">uint8_t</a> *&#160;</td>
    270           <td class="paramname"><em>sour</em>&#160;</td>
    271         </tr>
    272         <tr>
    273           <td></td>
    274           <td>)</td>
    275           <td></td><td></td>
    276         </tr>
    277       </table>
    278 </div><div class="memdoc">
    279 <p >gb-decompress sprite tiles into VRAM</p>
    280 <dl class="params"><dt>Parameters</dt><dd>
    281   <table class="params">
    282     <tr><td class="paramname">first_tile</td><td>Index of the first tile to write </td></tr>
    283     <tr><td class="paramname">sour</td><td>Pointer to source compressed data</td></tr>
    284   </table>
    285   </dd>
    286 </dl>
    287 <p>Note: This function avoids writes during modes 2 &amp; 3</p>
    288 <p >Will decompress <b>all</b> of it's data to destination without stopping until the end of compressed data is reached. It is not possible to set a limit, so ensure the destination buffer has sufficient space to avoid an overflow.</p>
    289 <dl class="section see"><dt>See also</dt><dd><a class="el" href="gb_2gbdecompress_8h.html#gb_decompress">gb_decompress</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_bkg_data">gb_decompress_bkg_data</a>, <a class="el" href="gb_2gbdecompress_8h.html#gb_decompress_win_data">gb_decompress_win_data</a> </dd></dl>
    290 
    291 </div>
    292 </div>
    293 </div><!-- contents -->
    294 </div><!-- doc-content -->
    295 <!-- start footer part -->
    296 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
    297   <ul>
    298     <li class="navelem"><a class="el" href="dir_8bd3092e915ccc8a773a74e0a10d4d15.html">gbdk-lib</a></li><li class="navelem"><a class="el" href="dir_a9f896cff747ba031115e41245385c17.html">include</a></li><li class="navelem"><a class="el" href="dir_bdfe001eb73b667f67d57fb851301eb1.html">gb</a></li><li class="navelem"><a class="el" href="gb_2gbdecompress_8h.html">gbdecompress.h</a></li>
    299     <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.2 </li>
    300   </ul>
    301 </div>
    302 </body>
    303 </html>

This webpage is intended to be an accessible preview of this repository. To get a fuller picture, clone it and use the git CLI.