2016-04-26 82 views

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dup (#)用于数组声明。例如

array1 byte 20 DUP(0)  ;declare an array of 20 bytes 
          ;each byte initialized to 0 
array2 byte 20 DUP('X') ;declare an array of 20 bytes 
          ;each byte initialized to 'X' 
array3 byte 20 DUP (?)  ;declare an array of 20 bytes 
          ;each byte is not initialized