RIGHT:
RRC LED_PORT ;SHIFT RIGHT
MOV A,0 ;SET DELAY FACTOR
CALL DELAY ;DELAY 100*1mS
SNZ LED_PORT.0 ;IS ALL LEDs HAVE BEEN LIT?
JMP RIGHT ;NO. CONTINUE RIGHT SHIFT.
LEFT:
RLC LED_PORT ;SHIFT LEFT
MOV A,200 ;SET DALAY FACTOR
CALL DELAY ;DELAY 200*1mS
SNZ LED_PORT.7 ;IS ALL LEDs HAVE BEEN LIT?
JMP LEFT ;NO. CONTINUE LEFT SHIFT.
JMP RIGHT ;REPEAT THE RIGHT PROCESS
怎样实现更好实现上面标题功能 小弟才学疏浅 用我放学可以实现 但比较啰嗦 有没有跟精简的 ?欢迎大家讨论