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这样的汇编语句如何理解呢



我在用DSP2812,有下面的语句

首先声明了

 .global    _Pointer 

然后

       MOVW     DP,#_Pointer    
       MOV   ACC,@@_Pointer  

我知道@...是取这个地址的值

那@@...是什么意思呢?