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MOV A , #00H MOV R7 , #0FFH MOV PSW, #80H ADDC A , R7 问:( CY ) = ( AC ) = ( P ) = ( ACC ) = ( R7 ) = A. ( CY )=1 B. ( AC ) = 1 C. ( P ) =0 D. ( ACC )=00H E. ( R7 ) = 0FFH

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