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我用ccs4.2写程序 asm("nop")第二次使用的时候电脑说我已经定义过了,怎么办

见图

  • 是在C语言中使用汇编语句吗?

    asm(" NOP "); 这样使用时没有问题的,注意NOP与引号之间需要有空格