<p> 写了一个LCD12864显示系统的代码，最开始做过modelsim的仿真，没什么问题，后来修改了很多次，都编译成功了，但是液晶屏亮了没有内容。</p><p> 我试过别的代码，显示屏能显示内容，我觉得是数据输出那部分的问题，但是不知道怎么改了。</p><p> 代码如下：</p><br> <br> <ignore_js_op> <dl class="tattl attm"> <dd> 例化 <img src="data/attach/1912/2as47uy4sslu90z1b51waf9hplxablmg.png" alt="例化" title="例化"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 7 <img src="data/attach/1912/9szaj5cl01byhc0x1anrj4n6ruo4usoo.png" alt="7" title="7"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 6 <img src="data/attach/1912/lhlntledoltpy8xkfeylei8526p64tb1.png" alt="6" title="6"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 5 <img src="data/attach/1912/wofglm788ojs6rfburutqebel0r6rs5o.png" alt="5" title="5"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 4 <img src="data/attach/1912/z19zhtambj74yeffd8tp86sxg7zwl8qu.png" alt="4" title="4"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 3 <img src="data/attach/1912/j4ltww4xpzxnmb4zd1f45m6oeoht8n2y.png" alt="3" title="3"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 2 <img src="data/attach/1912/181apcvtybyxzhz8r1gmshb9uz8no8db.png" alt="2" title="2"> </dd> </dl> </ignore_js_op> <ignore_js_op> <dl class="tattl attm"> <dd> 1 <img src="data/attach/1912/4m4tt590ivhhfydubpam93laifcsomp6.png" alt="1" title="1"> </dd> </dl> </ignore_js_op> <p><br></p>