s21-2.lst

看门狗定时器的使用

A51 MACRO ASSEMBLER  S21_2                                                                10/04/2006 19:18:03 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN S21-2.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE S21-2.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  00A6                 1                     WDTRST EQU 0A6H
0000                   2                     ORG 0000H
0000 020030            3                     LJMP START
0030                   4                     ORG 030H
0030 75A61E            5     START:MOV WDTRST,#01EH
0033 75A6E1            6                     MOV WDTRST,#0E1H
                       7                     ;*****************
0036 7808              8     MAIN:   MOV R0,#08H
0038 C3                9                     CLR C
0039 74FF             10                     MOV A,#0FFH
003B 33               11     PLAYP1:RLC A
003C F590             12                     MOV P1,A
003E 1178             13                     ACALL D10MS
0040 C3               14                     CLR C
0041 D8F8             15                     DJNZ R0, PLAYP1
                      16                     ;***************
0043 7808             17                     MOV R0,#08H
0045 C3               18                     CLR C
0046 74FF             19                     MOV A,#0FFH
0048 33               20     PLAYP3:RLC A
0049 F5B0             21                     MOV P3,A
004B 1178             22                     ACALL D10MS
004D C3               23                     CLR C
004E D8F8             24                     DJNZ R0, PLAYP3
                      25                     ;***************
0050 7808             26                     MOV R0,#08H
0052 C3               27                     CLR C
0053 74FF             28                     MOV A,#0FFH
0055 33               29     PLAYP2:RLC A
0056 F5A0             30                     MOV P2,A
0058 1178             31                     ACALL D10MS
005A C3               32                     CLR C
005B D8F8             33                     DJNZ R0, PLAYP2
                      34                     ;***************
005D 7808             35                     MOV R0,#08H
005F C3               36                     CLR C
0060 74FF             37                     MOV A,#0FFH
0062 13               38     PLAYP0:RRC A
0063 F580             39                     MOV P0,A
0065 1178             40                     ACALL D10MS
0067 C3               41                     CLR C
0068 D8F8             42                     DJNZ R0, PLAYP0
                      43                     ;***************
006A 7580FF           44                     MOV P0,#0FFH
006D 7590FF           45                     MOV P1,#0FFH
0070 75A0FF           46                     MOV P2,#0FFH
0073 75B0FF           47                     MOV P3,#0FFH
0076 0136             48                     AJMP MAIN
                      49                     ;***************
0078 7F12             50     D10MS:MOV R7,#18
007A 7EFF             51     DEL1:   MOV R6,#255
007C DEFE             52     DEL2:   DJNZ R6,DEL2
007E DFFA             53                     DJNZ R7,DEL1
0080 22               54                     RET
                      55                     END
A51 MACRO ASSEMBLER  S21_2                                                                10/04/2006 19:18:03 PAGE     2

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


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

D10MS. . . . . . .  C ADDR   0078H   A   
DEL1 . . . . . . .  C ADDR   007AH   A   
DEL2 . . . . . . .  C ADDR   007CH   A   
MAIN . . . . . . .  C ADDR   0036H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
PLAYP0 . . . . . .  C ADDR   0062H   A   
PLAYP1 . . . . . .  C ADDR   003BH   A   
PLAYP2 . . . . . .  C ADDR   0055H   A   
PLAYP3 . . . . . .  C ADDR   0048H   A   
START. . . . . . .  C ADDR   0030H   A   
WDTRST . . . . . .  N NUMB   00A6H   A   


REGISTER BANK(S) USED: 0 


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