题目内容
(请给出正确答案)
[单选题]
轮胎标示为”215/50R1786H”,其中“50”表示轮胎的()
A.胎宽
B.高宽比
C.承载指数
D.车速级别
提问人:网友Dume2021
发布时间:2022-01-07
A.胎宽
B.高宽比
C.承载指数
D.车速级别
MOV 50H,#40H ;(50H)=40H
MOV R1,#50H ;R1=50H
MOV A,@R1 ;A=(R1)=(50H)=40H
MOV R0,A ;R0=40H
MOV 60H,@R0 ;(60H)=(R0)=(40H)=FFH
MOV 30H,60H ;(30H)=FFH
MOV R0,30H
MOV R1,50H
MOV R7,2
CLR C
LOOP:MOV A,@R0
ADDC A.@R1
DA A
MOV @R0.A
INC R0
INC R1
DJNZ R7,LOOP
RET
则结果为:(30H)=______H,(31H)=______H,(R1)=______H,(R7)=______H。
MOV R0,#50H ;R0=50H
MOV A,@R0 ;A=(50H)
RL A ;[A=(50H)]×2
MOV R1,A ;R1=[A=(50H)]×2
RL A ;[A=(50H)]×2×2
RL A ;[A=(50H)]×2×2×2
ADD A,R1 ;A=10×(50H)
MOV @R0,A ;(50H)←(50H)×10
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