js04.lst

51单片机开发入门与典型实例

A51 MACRO ASSEMBLER  JS04                                                                 01/04/2007 10:06:45 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN JS04.OBJ
ASSEMBLER INVOKED BY: C:\KEIL7.06\C51\BIN\A51.EXE JS04.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;程序:JS04.ASM
0000 7808              2         START: MOV   R0, #8        
0002 747F              3                MOV   A,  #01111111B
0004 F590              4         LOOP:  MOV   P1, A         
0006 110D              5                ACALL DELAY         
0008 03                6                RR    A           
0009 D8F9              7                DJNZ  R0, LOOP      
000B 80F3              8                JMP   START       
000D 7D32              9        DELAY:  MOV  R5,#50         
000F 7E64             10        DLY1:   MOV  R6,#100         
0011 7F64             11        DLY2:   MOV  R7,#100         
0013 DFFE             12                DJNZ R7,$              
0015 DEFA             13                DJNZ R6,DLY2        
0017 DDF6             14                DJNZ R5,DLY1        
0019 22               15                RET                 
                      16                END               
                             
                             
A51 MACRO ASSEMBLER  JS04                                                                 01/04/2007 10:06:45 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   000DH   A   
DLY1 . . . . . . .  C ADDR   000FH   A   
DLY2 . . . . . . .  C ADDR   0011H   A   
LOOP . . . . . . .  C ADDR   0004H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0000H   A   


REGISTER BANK(S) USED: 0 


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