int2.lst

51单片机用汇编实例 包括ad

A51 MACRO ASSEMBLER  INT2                                                                 12/31/2005 10:07:13 PAGE     1


MACRO ASSEMBLER A51 V7.09
OBJECT MODULE PLACED IN INT2.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE INT2.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;======================================================================
                       2     ; 文件名: INT2.ASM
                       3     ; 功能说明: 外部中断INT0, INT1操作. 
                       4     ;           外部中断0: 使发光二极管闪烁4次.
                       5     ;           外部中断1: 使发光二极管由右向左流水显示, 一次亮两个LED.
                       6     ;======================================================================
                       7     
0000                   8             ORG 0000H
0000 020016            9             LJMP START
0003                  10             ORG 0003H
0003 020025           11             LJMP EINT0
0013                  12             ORG 0013H
0013 020034           13             LJMP EINT1
0016 759000           14     START:  MOV P1, #00H
0019 D288             15             SETB IT0                ;定义外部中断0为边沿触发
001B D2A8             16             SETB EX0                ;使能外部中断0
001D D28A             17             SETB IT1                ;定义外部中断1为边沿触发
001F D2AA             18             SETB EX1                ;使能外部中断1
0021 D2AF             19             SETB EA                 ;使能总中断
0023 80FE             20             SJMP $
                      21     
0025 7F04             22     EINT0:  MOV R7, #04H            ;外部中断0中断服务程序
0027 7590FF           23     ELP0:   MOV P1, #0FFH
002A 1141             24             ACALL DELAY             ;调用延时程序
002C 759000           25             MOV P1, #00H
002F 1141             26             ACALL DELAY
0031 DFF4             27             DJNZ R7, ELP0
0033 32               28             RETI
                      29     
0034 7403             30     EINT1:  MOV A, #03H             ;外部中断1中断服务程序
0036 7F10             31             MOV R7, #10H
0038 F590             32     ILP1:   MOV P1, A
003A 23               33             RL A
003B 23               34             RL A
003C 1141             35             ACALL DELAY
003E DFF8             36             DJNZ R7, ILP1
0040 32               37             RETI
                      38     
0041 7EFF             39     DELAY:  MOV R6, #0FFH           ;延时子程序
0043 7DFF             40     DLP1:   MOV R5, #0FFH
0045 DDFE             41     DLP2:   DJNZ R5, DLP2
0047 DEFA             42             DJNZ R6, DLP1
0049 22               43             RET
                      44     
                      45             END
A51 MACRO ASSEMBLER  INT2                                                                 12/31/2005 10:07:13 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   0041H   A   
DLP1 . . . . . . .  C ADDR   0043H   A   
DLP2 . . . . . . .  C ADDR   0045H   A   
EA . . . . . . . .  B ADDR   00A8H.7 A   
EINT0. . . . . . .  C ADDR   0025H   A   
EINT1. . . . . . .  C ADDR   0034H   A   
ELP0 . . . . . . .  C ADDR   0027H   A   
EX0. . . . . . . .  B ADDR   00A8H.0 A   
EX1. . . . . . . .  B ADDR   00A8H.2 A   
ILP1 . . . . . . .  C ADDR   0038H   A   
IT0. . . . . . . .  B ADDR   0088H.0 A   
IT1. . . . . . . .  B ADDR   0088H.2 A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0016H   A   


REGISTER BANK(S) USED: 0 


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