lcd.lst

基于单片机的汇编程序

A51 MACRO ASSEMBLER  LCD                                                                  12/22/2008 21:56:52 PAGE     1


MACRO ASSEMBLER A51 V7.02
OBJECT MODULE PLACED IN lcd.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE lcd.a SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0090                 1             RS      EQU     P1.0
  0091                 2             RW      EQU     P1.1
  0092                 3             E       EQU     P1.2
0000                   4             ORG     0000H
0000 0133              5             AJMP    START 
0033                   6             ORG     0033H
0033 758160            7     START:  MOV     SP,#60H
0036 12009F            8     MAIN:   LCALL   DELAY           ;延时一段时间 
0039 75A001            9             MOV     P2,#01H         ;写指令01H,清屏
003C 12007B           10             LCALL   ENABLE
003F 75A038           11             MOV     P2,#38H         ;写指令38H,设定LCD为16*2显示，5*7 点阵，8位示萁涌