text1.lst

霹雳灯！ 只有一个led亮

A51 MACRO ASSEMBLER  TEXT1                                                                04/16/2008 23:50:22 PAGE     1


MACRO ASSEMBLER A51 V6.23
OBJECT MODULE PLACED IN Text1.OBJ
ASSEMBLER INVOKED BY: D:\Keil\C51\BIN\A51.EXE Text1.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1     ORG 0
0000 74FE              2     START: MOV A,#0FEH
0002 7807              3     LOOP:  MOV R0,#7
0004 F5A0              4     LOOPL: MOV P2,A
0006 23                5            RL A
0007 1116              6            ACALL DELAY
0009 D8F9              7             DJNZ R0,LOOPL
                       8     
000B 7807              9             MOV R0,#7
000D F5A0             10     LOOPR:  MOV P2,A
000F 03               11             RR A
0010 1116             12             ACALL DELAY
0012 D8F9             13             DJNZ R0,LOOPR
0014 80EC             14             JMP LOOP
                      15     
0016 7FC8             16     DELAY:  MOV R7,#200
0018 7EFA             17     D1:     MOV R6,#250
001A DEFE             18             DJNZ R6,$
001C DFFA             19             DJNZ R7,D1
001E 22               20             RET
                      21             END
A51 MACRO ASSEMBLER  TEXT1                                                                04/16/2008 23:50:22 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0018H   A   
DELAY. . . . . . .  C ADDR   0016H   A   
LOOP . . . . . . .  C ADDR   0002H   A   
LOOPL. . . . . . .  C ADDR   0004H   A   
LOOPR. . . . . . .  C ADDR   000DH   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
START. . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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