试用单片机keil c51写出一条把片内RAM 50H~59H单元清零的程序. 汇编
答案:4 悬赏:80 手机版
解决时间 2021-03-20 13:07
- 提问者网友：温柔港
- 2021-03-19 16:36
试用单片机keil c51写出一条把片内RAM 50H~59H单元清零的程序. 汇编
最佳答案
- 五星知识达人网友：旧脸谱
- 2021-03-19 17:28
MOV R0,#50H
MOV R2,#10
CLR A
LOOP:
MOV @R0,A
INC R0
DJNZ R2,LOOP
RET
MOV R2,#10
CLR A
LOOP:
MOV @R0,A
INC R0
DJNZ R2,LOOP
RET
全部回答
- 1楼网友：话散在刀尖上
- 2021-03-19 21:21
org 0
LJMP start
org 100H
start:
CLR A
MOV R0,#49H
MOV R1,#10
LOOP:
INC R0
MOV @R0,A
DJNZ R1,LOOP
END
LJMP start
org 100H
start:
CLR A
MOV R0,#49H
MOV R1,#10
LOOP:
INC R0
MOV @R0,A
DJNZ R1,LOOP
END
- 2楼网友：刀戟声无边
- 2021-03-19 20:05
mov r7,#10
mov r0,#59h
clr a
mov @r0,a
dec r0
djnz r7,$-2
mov r0,#59h
clr a
mov @r0,a
dec r0
djnz r7,$-2
- 3楼网友：蓝房子
- 2021-03-19 18:52
ORG 0000H
MOV SP,#50H
CLR A
MOV R0,A
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
END
MOV SP,#50H
CLR A
MOV R0,A
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
PUSH 00H
END
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