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            <h2>PPU Viewer</h2>

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<p class="rvps2"><span class="rvts22">PPU查看器</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts17">简介</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6">NES除了6502CPU外还包含一个视频处理控制器PPU(Picture Processing Unit).PPU的内存与CPU的内存是分开读写的(详情见 </span><a class="rvts76" href="PPU.html">PPU内存</a><span class="rvts6">).</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6">PPU查看器仅仅用了展示当前PPU内存的内容,无法修改游戏数据.</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts21">PPU查看器的使用</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts15">扫描时显示(Show on Scanline)</span></p>
<p class="rvps2"><span class="rvts6">开启此选项后,在特定扫描线触发PPU显示屏幕的内容.在SMB等游戏中非常有用, that swap pattern tables mid-frame (e.g. for status bar stuff).</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6">右击PPU中的任意一个块将会修改其使用的调色板(Palette),依次使用调色板,然后是精灵调色板,然后是九个固定的灰色调色板(useful for inspecting CHR if all the palettes are currently black).</span></p>
<p class="rvps2"><span class="rvts6">将鼠标放在一个Tile块上将会显示Tile的内存地址,将鼠标放在颜色板上显示颜色板的内存地址.</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6">当使用 </span><a class="rvts76" href="CodeDataLogger.html">Code/Data Logger</a><span class="rvts6">时,可以使用"Mask unused graphics"功能.也就是说可以标记出使用过的Tile块,然后去除未使用的..</span></p>
<p class="rvps2"><span class="rvts6">注意:这项功能仅仅适用于包含CHR ROM的游戏,因为Code/DataLogger 仅仅记录CHR ROM的访问.</span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"><br/></span></p>
<p class="rvps2"><span class="rvts6"></span><span class="rvts6"></span></p>
<p class="rvps4" style="clear: both;"><span class="rvts18">Created with the Personal Edition of HelpNDoc: </span><a class="rvts19" href="https://www.helpndoc.com/help-authoring-tool">Free help authoring tool</a></p>

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