twoline1.lst

16x2字符液晶调试程序

A51 MACRO ASSEMBLER  TWOLINE1                                                             06/27/2007 19:47:30 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN twoline1.OBJ
ASSEMBLER INVOKED BY: C:\Program Files\keil\C51\BIN\A51.EXE twoline1.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  0091                 1      RS EQU P1.1
  0093                 2      RW EQU P1.3
  0092                 3      E EQU P1.2
0000                   4      ORG 0000H
0000 0130              5      AJMP START
0030                   6      ORG 0030H
0030 758160            7      START:MOV SP,#60H
0033 12008F            8      MAIN:     LCALL DELAY
0036 758001            9                MOV P0,#01H
0039 120069           10                LCALL ENABLE
003C 758038           11                MOV P0,#38H
003F 120069           12                LCALL ENABLE
0042 75800F           13                MOV P0,#0FH
0045 120069           14                LCALL ENABLE
0048 758006           15                MOV P0,#06H
004B 120069           16                LCALL ENABLE
                      17     
004E 758080           18                MOV P0,#80H
0051 120069           19                LCALL ENABLE
0054 900098           20                MOV DPTR,#TABLE1     
0057 120075           21                LCALL DISP
005A 00               22                NOP
005B 7580C0           23                MOV P0,#0C0H
005E 120069           24                LCALL ENABLE
0061 9000A9           25                MOV DPTR,#TABLE2
0064 120075           26                LCALL DISP
0067 0167             27                AJMP $
                      28     
0069 C291             29     ENABLE:    CLR RS
006B C293             30                CLR RW
006D C292             31                CLR E
006F 12008F           32                LCALL DELAY
0072 D292             33                SETB E
0074 22               34                RET
                      35     
0075 7910             36     DISP:    MOV R1,#16
0077 7400             37     LOOP:    MOV A,#00H
0079 93               38              MOVC A,@A+DPTR
007A 120081           39              LCALL DISP1
007D A3               40              INC DPTR
007E D9F7             41              DJNZ R1,LOOP
0080 22               42              RET
0081 F580             43     DISP1:    MOV P0,A
0083 D291             44               SETB RS
0085 C293             45               CLR  RW
0087 C292             46               CLR E
0089 12008F           47               LCALL DELAY
008C D292             48               SETB E
008E 22               49               RET
008F 7F64             50     DELAY:MOV R7,#100
0091 7EFF             51         D1:MOV R6,#255
0093 DEFE             52             D2:DJNZ R6,D2
0095 DFFA             53                DJNZ R7,D1
0097 22               54                RET
0098 20202020         55     TABLE1:DB "      HELLO      "
009C 20204845                
00A0 4C4C4F20                
00A4 20202020                
A51 MACRO ASSEMBLER  TWOLINE1                                                             06/27/2007 19:47:30 PAGE     2

00A8 20                      
                      56     
00A9 20574520         57     TABLE2:DB " WE ARE GROUP 24 "
00AD 41524520                
00B1 47524F55                
00B5 50203234                
00B9 20                      
                      58     
                      59        END
A51 MACRO ASSEMBLER  TWOLINE1                                                             06/27/2007 19:47:30 PAGE     3

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


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

D1 . . . . . . . .  C ADDR   0091H   A   
D2 . . . . . . . .  C ADDR   0093H   A   
DELAY. . . . . . .  C ADDR   008FH   A   
DISP . . . . . . .  C ADDR   0075H   A   
DISP1. . . . . . .  C ADDR   0081H   A   
E. . . . . . . . .  B ADDR   0090H.2 A   
ENABLE . . . . . .  C ADDR   0069H   A   
LOOP . . . . . . .  C ADDR   0077H   A   
MAIN . . . . . . .  C ADDR   0033H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
RS . . . . . . . .  B ADDR   0090H.1 A   
RW . . . . . . . .  B ADDR   0090H.3 A   
SP . . . . . . . .  D ADDR   0081H   A   
START. . . . . . .  C ADDR   0030H   A   
TABLE1 . . . . . .  C ADDR   0098H   A   
TABLE2 . . . . . .  C ADDR   00A9H   A   


REGISTER BANK(S) USED: 0 


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