KEIL5 printf

在使用KEIL C51的printf函数进行格式输出时，可以按照以下步骤进行操作：
1. 在程序中的Define处输入DEBUG_ENABLE_SEMIHOST。
2. 在需要输出的地方添加printf("Hello World\n");语句。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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