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提问人:网友fuyu8925
发布时间:2022-01-07
[主观题]
设(40H)=0BAH,(41H)=98H,试编写40H内容减去41H内容后,结果再存入40H单元的程序。 MOV A, 40H CLR C SUBB A, 41H MOV 40H, A 执行以上程序后,(40H)=?,CY=?,OV=?。
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/no_answer.png)
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 A,41H
ADDC A,#00H
INC DPTR
MOVC A,@A+DPTR
DEC 40H
ADD A,@R0
INC R0
SUBB A,R0
AZ11H-4 DN50
BZ41H-4.0 DN50
CZ11H-4.0 DN50
DZ41H-40 DN50
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