s14-2.lst

手把手教你学单片机实验程序

A51 MACRO ASSEMBLER  S14_2                                                                12/23/2003 17:39:23 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN .\S14-2.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE .\S14-2.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0030                 1             LEN DATA 30H
  0035                 2             MAX DATA 35H
  0040                 3             BLOCK DATA 40H
0000                   4             ORG 0000H
0000 020030            5             LJMP MAIN
0030                   6             ORG 030H
0030 75300A            7     MAIN:   MOV LEN,#10
0033 7464              8             MOV A,#100
0035 7940              9             MOV R1,#BLOCK
0037 F7               10     LOOP1:  MOV @R1,A
0038 09               11             INC R1 
0039 04               12             INC A
003A D530FA           13             DJNZ LEN,LOOP1
003D 75300F           14             MOV LEN,#15   
0040 7432             15             MOV A,#50
0042 F7               16     LOOP2:  MOV @R1,A
0043 09               17             INC R1
0044 04               18             INC A
0045 D530FA           19             DJNZ LEN,LOOP2
0048 E4               20             CLR A
0049 753019           21             MOV LEN,#25
004C AA30             22             MOV R2,LEN
004E 7940             23             MOV R1,#BLOCK
0050 C3               24     LOOP:   CLR C
0051 97               25             SUBB A,@R1
0052 5003             26             JNC NEXT1
0054 E7               27             MOV A,@R1
0055 8001             28             SJMP NEXT2
0057 27               29     NEXT1:  ADD A,@R1
0058 09               30     NEXT2:  INC R1
0059 DAF5             31             DJNZ R2,LOOP
005B F535             32             MOV MAX,A
005D 853590           33             MOV P1,MAX
0060 1164             34             ACALL DEL
0062 80FE             35             SJMP $
0064 7FFF             36     DEL:    MOV R7,#0FFH
0066 7EFF             37     DEL1:   MOV R6,#0FFH
0068 7D1F             38     DEL2:   MOV R5,#1FH
006A DDFE             39     DEL3:   DJNZ R5,DEL3
006C DEFA             40             DJNZ R6,DEL2
006E DFF6             41             DJNZ R7,DEL1
0070 22               42             RET
                      43             END
A51 MACRO ASSEMBLER  S14_2                                                                12/23/2003 17:39:23 PAGE     2

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


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

BLOCK. . . . . . .  D ADDR   0040H   A   
DEL. . . . . . . .  C ADDR   0064H   A   
DEL1 . . . . . . .  C ADDR   0066H   A   
DEL2 . . . . . . .  C ADDR   0068H   A   
DEL3 . . . . . . .  C ADDR   006AH   A   
LEN. . . . . . . .  D ADDR   0030H   A   
LOOP . . . . . . .  C ADDR   0050H   A   
LOOP1. . . . . . .  C ADDR   0037H   A   
LOOP2. . . . . . .  C ADDR   0042H   A   
MAIN . . . . . . .  C ADDR   0030H   A   
MAX. . . . . . . .  D ADDR   0035H   A   
NEXT1. . . . . . .  C ADDR   0057H   A   
NEXT2. . . . . . .  C ADDR   0058H   A   
P1 . . . . . . . .  D ADDR   0090H   A   


REGISTER BANK(S) USED: 0 


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