zl.lst

LM75A数字温度计 学习I2C串行总线的基本协议； 认识LM75A半导体数字温度传感器。

A51 MACRO ASSEMBLER  ZL                                                                   02/29/2008 21:13:45 PAGE     1


MACRO ASSEMBLER A51 V7.09
OBJECT MODULE PLACED IN zl.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE zl.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0000H
0000 020093            2     LJMP MAIN                                                                                  
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                             
0080                   3     ORG 0080H                                                                                  
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                        
                                                                                                                                        
0080                   4     DELAY:
0080 C002              5     PUSH 02H
0082 C003              6     PUSH 03H
0084                   7     DELAY_00:
0084 7A64              8     MOV R2,#100
0086                   9     DELAY_10:
0086 7B32             10     MOV R3,#50
0088                  11     DELAY_20:
A51 MACRO ASSEMBLER  ZL                                                                   02/29/2008 21:13:45 PAGE     2

0088 DBFE             12     DJNZ R3,DELAY_20
008A DAFA             13     DJNZ R2,DELAY_10
008C DFF6             14     DJNZ R7,DELAY_00
008E D003             15     POP 03H
0090 D002             16     POP 02H
0092 22               17     RET
0093                  18     MAIN:
0093 7590FE           19     MOV P1,#0FEH
0096                  20     LOOP:
0096 7F0A             21     MOV R7,#10
0098 120080           22     LCALL DELAY
009B E590             23     MOV A,P1
009D 23               24     RL A
009E F590             25     MOV P1,A
00A0 80F4             26     SJMP LOOP
                      27     END