显示.lst

本科优秀毕业设计,倒车雷达,用单片机和c51实现的!

A51 MACRO ASSEMBLER  蟔示                                                                 05/16/2008 16:31:52 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN 显示.OBJ
ASSEMBLER INVOKED BY: E:\Program Files\KeiL\C51\BIN\A51.EXE 显示.ASM SET(SMALL) EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG  0000H
0000 020003            2         LJMP  START
                       3     
                       4     
                       5     
0003 75814F            6     START:  MOV SP,#4FH
0006 7580FF            7                     MOV P0,#0FFH
0009 7590FF            8                     MOV P1,#0FFH
000C 754000            9                     MOV 40H,#00
000F 754101           10                     MOV 41H,#01
0012 754202           11                     MOV 42H,#02
0015 754303           12                     MOV 43H,#03
0018 754404           13                     MOV 44H,#04
001B 754505           14                     MOV 45H,#05
001E 754606           15                     MOV 46H,#06
0021 754707           16                     MOV 47H,#07
0024 754808           17                 MOV 48H,#08
0027 754909           18                     MOV 49H,#09
                      19     
                      20     
                      21     
002A 7940             22     DISPLAY:    MOV R1,#40H 
002C 7D7F             23                             MOV R5,#07FH
002E ED               24     PLAY:       MOV A,R5     
002F 7580FF           25                 MOV P0,#0FFH
0032 F590             26                             MOV P1,A
0034 E7               27                             MOV A,@R1
                      28     
0035 90004E           29                             MOV DPTR,#TABLE
0038 93               30                 MOVC A,@A+DPTR 
0039 F580             31                 MOV P0,A   
003B 1159             32                             CALL DELAY
003D 09               33                 INC R1            
003E ED               34                 MOV A,R5 
003F 30E004           35                             JNB ACC.0,ENDOUT
0042 03               36                 RR A                  
0043 FD               37                 MOV R5,A              
0044 80E8             38                     JMP PLAY
0046 7590FF           39     ENDOUT:     MOV P1,#0FFH
0049 7580FF           40                             MOV P0,#0FFH            
                      41                 
                      42                     
004C 80DC             43                 JMP DISPLAY                ;显示完成，返回
004E 039F250D         44     TABLE:DB 03H,9FH,25H,0DH,99H,49H,41H,01FH,01H,09H,0FFH  ;0-9,最后一个为全灭 
0052 9949411F                
0056 0109FF                  
                      45             
                      46     
                      47     ;;晶振12MHZ,延时1秒
                      48     
0059 757264           49     DELAY:MOV 72H,#100
005C 757164           50     LOOP3:MOV 71H,#100
005F 75702F           51     LOOP1:MOV 70H,#47
0062 D570FD           52     LOOP0:DJNZ 70H,LOOP0
0065 00               53           NOP 
0066 D571F6           54           DJNZ 71H,LOOP1
0069 75702E           55           MOV 70H,#46
006C D570FD           56     LOOP2:DJNZ 70H,LOOP2
A51 MACRO ASSEMBLER  蟔示                                                                 05/16/2008 16:31:52 PAGE     2

006F 00               57           NOP
0070 D572E9           58           DJNZ 72H,LOOP3
0073 757030           59           MOV 70H,#48
0076 D570FD           60     LOOP4:DJNZ 70H,LOOP4 
                      61     
0079 22               62         RET
                      63     
                      64     
                      65     
                      66     END 
A51 MACRO ASSEMBLER  蟔示                                                                 05/16/2008 16:31:52 PAGE     3

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


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

ACC. . . . . . . .  D ADDR   00E0H   A   
DELAY. . . . . . .  C ADDR   0059H   A   
DISPLAY. . . . . .  C ADDR   002AH   A   
ENDOUT . . . . . .  C ADDR   0046H   A   
LOOP0. . . . . . .  C ADDR   0062H   A   
LOOP1. . . . . . .  C ADDR   005FH   A   
LOOP2. . . . . . .  C ADDR   006CH   A   
LOOP3. . . . . . .  C ADDR   005CH   A   
LOOP4. . . . . . .  C ADDR   0076H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
PLAY . . . . . . .  C ADDR   002EH   A   
SP . . . . . . . .  D ADDR   0081H   A   
START. . . . . . .  C ADDR   0003H   A   
TABLE. . . . . . .  C ADDR   004EH   A   


REGISTER BANK(S) USED: 0 


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