用LCD循环显示字符串,首先在第一行显示“New Beijing”,在第二行显示“New Olympics”,过2S后,第一行改写为“Nice to meet you”,第二行改写为“Good luck!”,再过2S后又重新开始显示第一屏显示的两种字符串的不断循环
RS BIT P3.5
RW BIT P3.6
E BIT P3.4
LCD EQU P1
MAIN:
S1: MOV LCD,#01H
ACALL WR_COMM
ACALL INIT_LCD
MOV LCD,#01H
MOV LCD,#80H
ACALL WR_COMM
MOV DPTR,#TAB1
ACALL STRING
MOV LCD,#0C0H
ACALL WR_COMM
MOV DPTR,#TAB2
ACALL STRING
ACALL DELAY
S2: MOV LCD,#01H
ACALL WR_COMM
ACALL INIT_LCD
MOV LCD,#01H
MOV LCD,#80H
ACALL WR_COMM
MOV DPTR,#TAB3
ACALL STRING
MOV LCD,#0C0H
ACALL WR_COMM
MOV DPTR,#TAB4
本内容试读结束,登录后可阅读更多
下载后可阅读完整内容,剩余2页未读,立即下载