s7-4.lst

51单片机程序教程

A51 MACRO ASSEMBLER  S7_4                                                                 10/05/2003 10:40:06 PAGE     1


MACRO ASSEMBLER A51 V6.14
OBJECT MODULE PLACED IN .\S7-4.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE .\S7-4.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

0000                   1             ORG 0000H
0000 020030            2             LJMP MAIN
0030                   3             ORG 030H
0030 752000            4     MAIN:   MOV 20H,#00H
0033 E520              5     GOON:   MOV A,20H
0035 540F              6             ANL A,#0FH
0037 900100            7             MOV DPTR,#TAB
003A 93                8             MOVC A,@A+DPTR
003B F580              9             MOV P0,A
003D E520             10             MOV A,20H
003F C4               11             SWAP  A
0040 540F             12             ANL A,#0FH
0042 93               13             MOVC A,@A+DPTR
0043 F590             14             MOV P1,A
0045 114B             15             ACALL DEL
0047 0520             16             INC 20H
0049 0133             17             AJMP GOON
004B 7F14             18     DEL:    MOV R7,#014H
004D 7EFF             19     DEL1:   MOV R6,#0FFH
004F 7D1F             20     DEL2:   MOV R5,#01FH
0051 DDFE             21     DEL3:   DJNZ R5,DEL3
0053 DEFA             22             DJNZ R6,DEL2
0055 DFF6             23             DJNZ R7,DEL1
0057 22               24             RET
0100                  25             ORG 0100H
0100 C0F9A4B0         26     TAB:    DB 0C0H,0F9H,0A4H,0B0H,099H,092H,082H,0F8H
0104 999282F8                
0108 80908883         27             DB 080H,090H,088H,083H,0C6H,0A1H,086H,08EH
010C C6A1868E                
                      28             END
A51 MACRO ASSEMBLER  S7_4                                                                 10/05/2003 10:40:06 PAGE     2

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


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

DEL. . . . . . . .  C ADDR   004BH   A   
DEL1 . . . . . . .  C ADDR   004DH   A   
DEL2 . . . . . . .  C ADDR   004FH   A   
DEL3 . . . . . . .  C ADDR   0051H   A   
GOON . . . . . . .  C ADDR   0033H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
TAB. . . . . . . .  C ADDR   0100H   A   


REGISTER BANK(S) USED: 0 


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