led_24c02.lst

基于单片机的汇编程序

A51 MACRO ASSEMBLER  LED_24C02                                                            12/22/2008 21:46:23 PAGE     1


MACRO ASSEMBLER A51 V7.02
OBJECT MODULE PLACED IN led_24c02.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE led_24c02.a SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0030                   1     ORG 0030H
0030 3F065B4F          2     TABLE: DB 3fh,06h,5bh,4fh,66h,6dh,7dh,07h,7fh,6fh,40h,00h
0034 666D7D07                
0038 7F6F4000                
003C 5B66393F          3     L_24C02: DB 5bH,66H,39H,3fH,5bH
0040 5B                      
0000                   4     ORG 0000H
0000 020200            5     LJMP MAIN
                       6     
                       7     
                       8     
                       9     
                      10     
                      11     
                      12     
                      13     
                      14     
                      15     
                      16     
0200                  17     ORG 0200H
0200 90003C           18     MAIN:   MOV DPTR,#L_24C02
0203 7F05             19             MOV R7,#5
0205 120223           20             LCALL DISPLAYSTR
0208 80F6             21             SJMP MAIN
                      22     
020A 900030           23     DISPLAY:MOV DPTR,#TABLE 
020D 75A000           24             MOV P2,#0
0210 5390F8           25             ANL P1,#0F8H
0213 E6               26     L2:     MOV A,@R0
0214 93               27             MOVC A,@A+DPTR
0215 F5A0             28             MOV P2,A
0217 12023B           29             LCALL DELAY
021A 75A000           30             MOV P2,#0
021D 0590             31             INC P1
021F 08               32             INC R0
0220 DFF1             33             DJNZ R7,L2
0222 22               34             RET
                      35     
0223                  36     DISPLAYSTR:
0223 75A000           37             MOV P2,#0
0226 7E00             38             MOV R6,#0
0228 5390F8           39             ANL P1,#0F8H
022B E4               40     L3:     CLR A
022C 93               41             MOVC A,@A+DPTR
022D F5A0             42             MOV P2,A
022F 12023B           43             LCALL DELAY
0232 75A000           44             MOV P2,#0
0235 0590             45             INC P1
0237 A3               46             INC DPTR
0238 DFF1             47             DJNZ R7,L3
023A 22               48             RET
                      49             
023B 7D14             50     DELAY:  MOV R5,#20
023D DDFE             51     D1:     DJNZ R5,D1
023F 22               52             RET     
                      53             
                      54     END     
A51 MACRO ASSEMBLER  LED_24C02                                                            12/22/2008 21:46:23 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   023DH   A   
DELAY. . . . . . .  C ADDR   023BH   A   
DISPLAY. . . . . .  C ADDR   020AH   A   
DISPLAYSTR . . . .  C ADDR   0223H   A   
L2 . . . . . . . .  C ADDR   0213H   A   
L3 . . . . . . . .  C ADDR   022BH   A   
L_24C02. . . . . .  C ADDR   003CH   A   
MAIN . . . . . . .  C ADDR   0200H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
TABLE. . . . . . .  C ADDR   0030H   A   


REGISTER BANK(S) USED: 0 


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