int1.lst

51单片机用汇编实例 包括ad

A51 MACRO ASSEMBLER  INT1                                                                 12/31/2005 10:00:29 PAGE     1


MACRO ASSEMBLER A51 V7.09
OBJECT MODULE PLACED IN INT1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE INT1.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;================================================================
                       2     ; 文件名: INT1.ASM
                       3     ; 功能说明: 采用定时器的中断, 在P1.0与P1.1引脚上输出周期波形.
                       4     ;================================================================
                       5     
0000                   6             ORG 0000H
0000 020100            7             LJMP START
000B                   8             ORG 000BH
000B 02011A            9             LJMP TIMER0
001B                  10             ORG 001BH
001B 020123           11             LJMP TIMER1
0100                  12             ORG 0100H
0100 7590FF           13     START:  MOV P1, #0FFH
0103 758CF8           14             MOV TH0, #0F8H          ;初始化定时器0计数初值
0106 758A00           15             MOV TL0, #00H
0109 758DF8           16             MOV TH1, #0F8H          ;初始化定时器1计数初值
010C 758B00           17             MOV TL1, #00H
010F 758911           18             MOV TMOD, #11H          ;设置定时器工作模式为方式1
0112 758850           19             MOV TCON, #50H          ;启动定时器
0115 75A88A           20             MOV IE, #8AH            ;使能中断
0118 80FE             21             SJMP $
                      22     
011A B290             23     TIMER0: CPL P1.0                ;定时器0中断服务程序, 对P1.0引脚取反
011C 758CF8           24             MOV TH0, #0F8H          ;重新装入计数初值
011F 758A00           25             MOV TL0, #00H
0122 32               26             RETI                    ;中断返回
                      27     
0123 B291             28     TIMER1: CPL P1.1                ;定时器1中断服务程序
0125 758DF8           29             MOV TH1, #0F8H
0128 758B00           30             MOV TL1, #00H
012B 32               31             RETI
                      32     
                      33             END
A51 MACRO ASSEMBLER  INT1                                                                 12/31/2005 10:00:29 PAGE     2

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

IE . . . . . . . .  D ADDR   00A8H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0100H   A   
TCON . . . . . . .  D ADDR   0088H   A   
TH0. . . . . . . .  D ADDR   008CH   A   
TH1. . . . . . . .  D ADDR   008DH   A   
TIMER0 . . . . . .  C ADDR   011AH   A   
TIMER1 . . . . . .  C ADDR   0123H   A   
TL0. . . . . . . .  D ADDR   008AH   A   
TL1. . . . . . . .  D ADDR   008BH   A   
TMOD . . . . . . .  D ADDR   0089H   A   


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)