已知(30H)=0AEH,(40H)=0D7H,执行下列程序写出结果(30H)=()。MOVA,30HXCHA,40HANLA,#0FHMOV30H,A
执行:
MOV A,30H
ADD A,40H
DA A
MOV 30H,A
MOV A,31H
ADDC A,41H
DA A
MOV 31H,A
则结果为:(30H)=______H,(31H)=______H,(40H)=______H,(CY)=______。
MOV 50H,30H ;(50H)=11H
MOV R0,#40H ;R0=40H
MOV A,11H ;A=22H
MOV 60H,@R0 ;(60H)=33H,R0=40H不变
MOV @R0,A ;(40H)=22H,R0=40H不变
MOV 30H,R0 ;(30H)=40H
A. (2FH)=30H(30H)=40H
B. (2FH)=61H(30H)=40H
C. (2FH)=60H(30H)=60H
D. (2FH)=30H(30H)=60H
MOV R0,# 30H ;R0=30H
MOV @R0,40H ;(30H)=20H
MOV A,50H ;A=40H
MOV R1,30H ;R1=20H
MOV B,@RO ;B=20H
MOV PSW,@ R1 ;PSW=60H
A、见评论
B、见评论
C、见评论
D、见评论
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