204.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  204                                                                  11/21/2002 10:52:14 PAGE     1


MACRO ASSEMBLER A51 V7.01
OBJECT MODULE PLACED IN 204.OBJ
ASSEMBLER INVOKED BY: F:\KEIL\C51\BIN\A51.EXE 204.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;接P1口的8灯闪烁
0000 7590FF            2     MAIN:   MOV     P1,#0FFH
0003 12000F            3             LCALL   DELAY
0006 759000            4             MOV     P1,#00H
0009 12000F            5             LCALL   DELAY
000C 020000            6             LJMP    MAIN
000F 7FFA              7     DELAY:  MOV     R7,#250
0011 7EFA              8     D1:     MOV     R6,#250
0013 DEFE              9     D2:     DJNZ    R6,D2
0015 DFFA             10             DJNZ    R7,D1
0017 22               11             RET
                      12             END
A51 MACRO ASSEMBLER  204                                                                  11/21/2002 10:52:14 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   0011H   A   
D2 . . . . . . . .  C ADDR   0013H   A   
DELAY. . . . . . .  C ADDR   000FH   A   
MAIN . . . . . . .  C ADDR   0000H   A   
P1 . . . . . . . .  D ADDR   0090H   A   


REGISTER BANK(S) USED: 0 


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