s21-1.lst

市面上很流行的《手把手教你单片机》的光盘资料

A51 MACRO ASSEMBLER  S21_1                                                                10/02/2006 17:43:09 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN S21-1.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE S21-1.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 1190             13             ACALL D10MS
0040 75A61E           14             MOV WDTRST,#01EH
0043 75A6E1           15             MOV WDTRST,#0E1H
0046 C3               16             CLR C
0047 D8F2             17             DJNZ R0, PLAYP1
                      18             ;***************
0049 7808             19             MOV R0,#08H
004B C3               20             CLR C
004C 74FF             21             MOV A,#0FFH
004E 33               22     PLAYP3: RLC A
004F F5B0             23             MOV P3,A
0051 1190             24             ACALL D10MS
0053 75A61E           25             MOV WDTRST,#01EH
0056 75A6E1           26             MOV WDTRST,#0E1H
0059 C3               27             CLR C
005A D8F2             28             DJNZ R0, PLAYP3
                      29             ;***************
005C 7808             30             MOV R0,#08H
005E C3               31             CLR C
005F 74FF             32             MOV A,#0FFH
0061 33               33     PLAYP2: RLC A
0062 F5A0             34             MOV P2,A
0064 1190             35             ACALL D10MS
0066 75A61E           36             MOV WDTRST,#01EH
0069 75A6E1           37             MOV WDTRST,#0E1H
006C C3               38             CLR C
006D D8F2             39             DJNZ R0, PLAYP2
                      40             ;***************
006F 7808             41             MOV R0,#08H
0071 C3               42             CLR C
0072 74FF             43             MOV A,#0FFH
0074 13               44     PLAYP0: RRC A
0075 F580             45             MOV P0,A
0077 1190             46             ACALL D10MS
0079 75A61E           47             MOV WDTRST,#01EH
007C 75A6E1           48             MOV WDTRST,#0E1H
007F C3               49             CLR C
0080 D8F2             50             DJNZ R0, PLAYP0
                      51             ;***************
0082 7580FF           52             MOV P0,#0FFH
0085 7590FF           53             MOV P1,#0FFH
0088 75A0FF           54             MOV P2,#0FFH
008B 75B0FF           55             MOV P3,#0FFH
008E 0136             56             AJMP MAIN
                      57             ;***************
0090 7F12             58     D10MS:  MOV R7,#18
A51 MACRO ASSEMBLER  S21_1                                                                10/02/2006 17:43:09 PAGE     2

0092 7EFF             59     DEL1:   MOV R6,#255
0094 DEFE             60     DEL2:   DJNZ R6,DEL2
0096 DFFA             61             DJNZ R7,DEL1
0098 22               62             RET
                      63             END
A51 MACRO ASSEMBLER  S21_1                                                                10/02/2006 17:43:09 PAGE     3

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


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

D10MS. . . . . . .  C ADDR   0090H   A   
DEL1 . . . . . . .  C ADDR   0092H   A   
DEL2 . . . . . . .  C ADDR   0094H   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   0074H   A   
PLAYP1 . . . . . .  C ADDR   003BH   A   
PLAYP2 . . . . . .  C ADDR   0061H   A   
PLAYP3 . . . . . .  C ADDR   004EH   A   
START. . . . . . .  C ADDR   0030H   A   
WDTRST . . . . . .  N NUMB   00A6H   A   


REGISTER BANK(S) USED: 0 


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