206.lst

Small RTOS51是为51系列单片机而编写的。它是完全免费的、源代码公开的多任务实时操作系统。它可在无任何外部数据存储器的单片80C51系统上运行

A51 MACRO ASSEMBLER  206                                                                  11/02/2002 08:36:44 PAGE     1


MACRO ASSEMBLER A51 V6.14
OBJECT MODULE PLACED IN .\206.OBJ
ASSEMBLER INVOKED BY: E:\KEIL\C51\BIN\A51.EXE .\206.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;流水灯实用程序
0000                   2             ORG     0000H
0000 020030            3             LJMP    START
0030                   4             ORG     30H
0030 74FE              5     START:  MOV     A,#0FEH
0032 F590              6     LOOP:   MOV     P1,A
0034 23                7             RL      A
0035 12003B            8             LCALL   DELAY
0038 020032            9             LJMP    LOOP
                      10     ;以下子程序
003B 7FFA             11     DELAY:  MOV     R7,#250 
003D 7EFA             12     D1:     MOV     R6,#250 
003F DEFE             13     D2:     DJNZ    R6,D2   
0041 DFFA             14             DJNZ    R7,D1   
0043 22               15             RET                     
                      16             END                     
A51 MACRO ASSEMBLER  206                                                                  11/02/2002 08:36:44 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   003DH   A   
D2 . . . . . . . .  C ADDR   003FH   A   
DELAY. . . . . . .  C ADDR   003BH   A   
LOOP . . . . . . .  C ADDR   0032H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
START. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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