led2.lst

led显示小程序

A51 MACRO ASSEMBLER  LED2                                                                 05/17/2008 17:23:25 PAGE     1


MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN LED2.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE LED2.ASM SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1                     ORG 0000H
0000 2100              2             AJMP MAIN
0100                   3             ORG 0100H
                       4     
0100 90013E            5     MAIN:   MOV DPTR,#TAB
0103 7F00              6                     MOV R7,  #00H
0105 7A00              7                     MOV R2,  #00H
                       8     
0107 7E00              9     DSUP0:  MOV   R6, #00H
0109 EA               10     DSUP:   MOV   A, R2
010A 93               11                     MOVC  A,@A+DPTR
010B F580             12                     MOV   P0,A
010D C2A4             13                     CLR   P2.4
010F D2A5             14                     SETB  P2.5
0111 120131           15                     LCALL DELAY
                      16     
0114 EF               17                     MOV   A, R7
0115 93               18                     MOVC  A,@A+DPTR
0116 F580             19                     MOV   P0, A
0118 D2A4             20                     SETB  P2.4
011A C2A5             21                     CLR   P2.5
011C 120131           22                     LCALL DELAY
                      23     
011F 0E               24                     INC   R6
0120 BE3FE6           25                     CJNE  R6, #3FH,DSUP
                      26     
0123 0A               27                     INC   R2
0124 3131             28                     ACALL DELAY
0126 BA0ADE           29                     CJNE  R2,#0AH,DSUP0
0129 0F               30                     INC   R7
012A 7A00             31                     MOV   R2,#00H
012C BF0AD8           32                     CJNE  R7,#0AH,DSUP0
012F 2100             33                     AJMP  MAIN
                      34     
0131 7B01             35     DELAY:  MOV  R3, #01H
0133 7C28             36     DELAY1: MOV  R4, #028H
0135 7D5A             37     DELAY2: MOV  R5, #05AH
0137 DDFE             38     DELAY3: DJNZ R5, DELAY3
0139 DCFA             39             DJNZ R4, DELAY2
013B DBF6             40                     DJNZ R3, DELAY1 
013D 22               41                     RET
                      42      
013E 3F065B4F         43     TAB:    DB  3FH, 06H, 5BH, 4FH, 66H, 6DH, 7DH, 07H, 7FH, 6FH, 77H, 7CH, 39H, 5EH, 79H, 71H;
0142 666D7D07                
0146 7F6F777C                
014A 395E7971                
                      44             ;   0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F
                      45       
                      46             END
A51 MACRO ASSEMBLER  LED2                                                                 05/17/2008 17:23:25 PAGE     2

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


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

DELAY. . . . . . .  C ADDR   0131H   A   
DELAY1 . . . . . .  C ADDR   0133H   A   
DELAY2 . . . . . .  C ADDR   0135H   A   
DELAY3 . . . . . .  C ADDR   0137H   A   
DSUP . . . . . . .  C ADDR   0109H   A   
DSUP0. . . . . . .  C ADDR   0107H   A   
MAIN . . . . . . .  C ADDR   0100H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
TAB. . . . . . . .  C ADDR   013EH   A   


REGISTER BANK(S) USED: 0 


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