单片机六个灯p0--p5，先点亮p0，延时10秒，再点亮p1，p0熄灭，再延时十秒，依次循环， -

标题: 单片机六个灯p0--p5，先点亮p0，延时10秒，再点亮p1，p0熄灭，再延时十秒，依次循环， [打印本页]

作者: cuiaaonan 时间: 2018-7-2 15:27
标题: 单片机六个灯p0--p5，先点亮p0，延时10秒，再点亮p1，p0熄灭，再延时十秒，依次循环，
已验证  ORG 0000H
SJMP _START
ORG 0050H
_START:
MOV P1, #0xFE
CALL  DL10S
MOV P1, #0xFD
CALL  DL10S
MOV P1, #0xFB
CALL  DL10S
MOV P1, #0xF7
CALL  DL10S
MOV P1, #0xEF
CALL  DL10S
MOV P1, #0xDF
CALL  DL10S
SJMP  _START

DL10S:
MOV  R5, #100
_DELAY100MS:
MOV  R6, #200    ;1T
DL250T:
MOV  R7, #250    ;1T
D2:
DJNZ R7, D2       ;2T, 原地转移250遍, 共用500T
DJNZ R6, DL250T ;2T, 转移200遍
DJNZ R5, _DELAY100MS
RET    ;2T
END

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