单片机汇编语言作业

Question

设(59H)=50H 执行后填空
ORG 0100H
MOV A,59H
MOV R0,A
MOV A,#0FFH
MOV @R0,A
MOV A,#29H
MOV 51H,A
MOV 52H,#70H
INC @R0
INC 51H
INC 52H
PUSH ACC
POP 20H
RR A
RR A
END
(50H)=;(51H)=;(A)=;(52H);(20H)=

Answer 1

设(59H)=50H 执行后填空
ORG 0100H
MOV A,59H ;A=50H
MOV R0,A ;R0=50H
MOV A,#0FFH ;A=0FFH
MOV @R0,A ;(50H)=0FFH
MOV A,#29H ;A=29H
MOV 51H,A ;(51H)=29H
MOV 52H,#70H ;(52H)=70H
INC @R0;(50H)=0
INC 51H ;(51H)=2AH
INC 52H ;(52H)=71H
PUSH ACC ;(SP)=29H
POP 20H ;(20H)=29H
RR A;A=94H
RR A ;A=4AH
END
(50H)=00H
(51H)=2AH
(A)=4AH
(52H)=;71H
(20H)=29H
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Answer 2

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