求液晶屏的程序？
悬赏分：5 -
解决时间：2007-8-12 15:29以前我是用7段数码管，共阴的，来显示。现在学校有液晶屏，请问高手，液晶屏和数码管在显示方面及原理上有什么区别？
给你一段显示字母A的液晶程序,这个液晶屏是0802液晶的,在其他的液晶上可能会不同,仅做参考!!
0802.asm (程序名:asm程序)51单片机上通过！
;0802液晶显示一个A
RS EQU P2.0
RW EQU P2.1
E EQU P2.2
ORG 0000H
MOV P0,#00000001B ;清屏
ACALL ENABLE
MOV P0,#00000001B ;清屏
ACALL ENABLE
MOV P0,#00111000B ;显示功能
ACALL ENABLE
MOV P0,#00001111B ;显示开关控制
ACALL ENABLE
MOV P0,#00000110B ;输入模式
ACALL ENABLE
MOV P0,#0C0H ;数据存贮器地址
ACALL ENABLE
mov p0,#01000001b ;ASCII码
SETB RS
CLR RW
CLR E
ACALL DELAY
SETB E
AJMP $
ENABLE: CLR RS ;送命令
CLR RW
CLR E
ACALL DELAY
SETB E
RET
DELAY: MOV P0,#0FFH
CLR RS
SETB RW
CLR E
NOP
SETB E
JB P0.7,DELAY ;判断忙标志
RET
END
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Body art from the West, male body is mainly a reflection of the strength of the United States. While the female body is mainly a reflection of the kind of a female-specific negative of tender. 
Body art is static human form, does not contain sexual intercourse is exposed genitals or other
to tease
of limb movements. Good photographs focus on the human body is the use of light and shadow. The body was 
naked from the arts, the human body art is not
carnal desire
, vulgar. Accurately speaking, and now, the "body art" is not very precise. Art classification is based on the auditory,
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