bj.lst

单片机开发板源程序 适合初学者 第五部分 报警产生器

A51 MACRO ASSEMBLER  BJ                                                                   07/29/2007 14:15:45 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN BJ.OBJ
ASSEMBLER INVOKED BY: C:\Tools\Keil\C51\BIN\A51.EXE BJ.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0000                 1     FLAG            BIT 00H
0000                   2                     ORG 00H
0000 2090FD            3     START:          JB P1.0,START
0003 30000E            4                     JNB FLAG,NEXT
0006 7AC8              5                     MOV R2,#200
0008 B2B5              6     DV:             CPL P3.5
000A 120021            7                     LCALL DELY500
000D 120021            8                     LCALL DELY500
0010 DAF6              9                     DJNZ R2,DV
0012 B200             10                     CPL FLAG
0014 7AC8             11     NEXT:           MOV R2,#200
0016 B2B5             12     DV1:            CPL P3.5
0018 120021           13                     LCALL DELY500
001B DAF9             14                     DJNZ R2,DV1
001D B200             15                     CPL FLAG
001F 80DF             16                     SJMP START
0021 7FFA             17     DELY500:        MOV R7,#250
0023 00               18     LOOP:           NOP
0024 DFFD             19                     DJNZ R7,LOOP
0026 22               20                     RET
                      21                     END
A51 MACRO ASSEMBLER  BJ                                                                   07/29/2007 14:15:45 PAGE     2

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


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

DELY500. . . . . .  C ADDR   0021H   A   
DV . . . . . . . .  C ADDR   0008H   A   
DV1. . . . . . . .  C ADDR   0016H   A   
FLAG . . . . . . .  B ADDR   0020H.0 A   
LOOP . . . . . . .  C ADDR   0023H   A   
NEXT . . . . . . .  C ADDR   0014H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
START. . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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