led.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  LED                                                                  08/11/2007 01:20:47 PAGE     1


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

LOC  OBJ            LINE     SOURCE

0000                   1             ORG 0
0000 90001F            2     START:  MOV DPTR,#TABLE
0003 E4                3     LOOP:   CLR A
0004 93                4             MOVC A,@A+DPTR
0005 B40102            5             CJNE A,#01H,LOOP1
0008 80F6              6             SJMP START
000A F580              7     LOOP1:  MOV P0,A
000C 7B14              8             MOV R3,#20
000E 120014            9             LCALL DELAY
0011 A3               10             INC DPTR
0012 80EF             11             SJMP LOOP
0014 7C14             12     DELAY:  MOV R4,#20
0016 7DF8             13     D1:     MOV R5,#248
0018 DDFE             14             DJNZ R5,$
001A DCFA             15             DJNZ R4,D1
001C DBF6             16             DJNZ R3,DELAY
001E 22               17             RET
001F FEFDFBF7         18     TABLE:  DB 0FEH,0FDH,0FBH,0F7H
0023 EFDFBF7F         19             DB 0EFH,0DFH,0BFH,07FH
0027 FEFDFBF7         20             DB 0FEH,0FDH,0FBH,0F7H
002B EFDFBF7F         21             DB 0EFH,0DFH,0BFH,07FH          
002F 7FBFDFEF         22             DB 07FH,0BFH,0DFH,0EFH
0033 F7FBFDFE         23             DB 0F7H,0FBH,0FDH,0FEH
0037 7FBFDFEF         24             DB 07FH,0BFH,0DFH,0EFH
003B F7FBFDFE         25             DB 0F7H,0FBH,0FDH,0FEH
003F 00FF00FF         26             DB 00H, 0FFH,00H, 0FFH
0043 01               27             DB 01H
                      28             END
A51 MACRO ASSEMBLER  LED                                                                  08/11/2007 01:20:47 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0016H   A   
DELAY. . . . . . .  C ADDR   0014H   A   
LOOP . . . . . . .  C ADDR   0003H   A   
LOOP1. . . . . . .  C ADDR   000AH   A   
P0 . . . . . . . .  D ADDR   0080H   A   
START. . . . . . .  C ADDR   0000H   A   
TABLE. . . . . . .  C ADDR   001FH   A   


REGISTER BANK(S) USED: 0 


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