A51 MACRO ASSEMBLER  字符式LCD的觃用                                                      05/24/2008 06:37:15 PAGE     1


MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN 字符式LCD的應用.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE 字符式LCD的應用.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

  00A7                 1            RS    BIT    P2.7
  00A6                 2            RW    BIT    P2.6
  00A5                 3            E     BIT    P2.5
  00B0                 4            DOUT  EQU    P3
0030                   5            ORG   0030H
0030 75815F            6     LOP:   MOV   SP,    #5fH
0033 1166              7            ACALL  LCD_MODEL         ;調液顯復位程序 
0035 75B081            8            MOV    DOUT,   #81H
0038 1180              9            ACALL  READY
003A 90009B           10            MOV   DPTR,   #TAB       ;調液顯第一行顯示字符
003D 114B             11            ACALL WRITE              ;顯示的模塊       
003F 75B0C1           12            MOV   P3,    #0C1H
0042 1180             13            ACALL READY
0044 9000AB           14            MOV   DPTR,   #TAB1      ;調液顯第二行顯示字符
0047 114B             15            ACALL  WRITE
0049 0149             16            AJMP  $
004B 7400             17     WRITE: MOV   A,  #00H
004D 93               18            MOVC  A,  @A+DPTR        ;調顯示代碼庫
004E B4FF02           19            CJNE  A,  #0FFH,s        ;是否為結束碼
0051 015A             20            AJMP  EXIT
0053 F5B0             21      S:    MOV   DOUT,  A           ;顯示代碼         
0055 115B             22            ACALL WRITE1
0057 A3               23            INC   DPTR
0058 014B             24            AJMP  WRITE
005A 22               25      EXIT: RET
005B D2A7             26     WRITE1:SETB   RS
005D C2A6             27            CLR    RW
005F C2A5             28            CLR    E
0061 118B             29            ACALL  DELAY
0063 D2A5             30            SETB   E
0065 22               31            RET
0066 75B001           32     LCD_MODEL: MOV     DOUT,   #01H      ;清屏
0069 1180             33                ACALL   READY
006B 75B003           34                MOV     DOUT,   #03H
006E 1180             35                ACALL   READY
0070 75B006           36                MOV     DOUT,   #00000110B;設置輸入模式
0073 1180             37                ACALL   READY
0075 75B00C           38                MOV     DOUT,   #00001100B;設置顯示開關控制
0078 1180             39                ACALL   READY
007A 75B038           40                MOV     DOUT,   #38H      ;設置顯示模式
007D 1180             41                ACALL   READY
007F 22               42                RET
0080 C2A7             43     READY:     CLR   RS
0082 C2A6             44                CLR   RW
0084 C2A5             45                CLR   E
0086 118B             46                ACALL DELAY
0088 D2A5             47                SETB  E
008A 22               48                RET
                      49     
008B 75B0FF           50     DELAY:     MOV  DOUT,    #0FFH            
008E C2A7             51                CLR   RS
0090 D2A6             52                SETB  RW
0092 C2A5             53                CLR   E
0094 00               54                NOP   
0095 D2A5             55                SETB  E
0097 20B7F1           56                JB    DOUT.7,   DELAY
009A 22               57                RET
009B 435A504D         58     TAB:    DB  43H,5AH,50H,4DH,43H,55H ;CZPMCU
A51 MACRO ASSEMBLER  字符式LCD的觃用                                                      05/24/2008 06:37:15 PAGE     2

009F 4355                    
00A1 40313236         59             DB  40H,31H,32H,36H,2EH,63H,6FH,6DH,01H;@163.com
00A5 2E636F6D                
00A9 01                      
00AA FF               60             DB  0ffh
00AB 54454C30         61     TAB1:   DB  54H,45H,4CH,30H,31H,32H,33H,34H,35H ;TEL012345
00AF 31323334                
00B3 35                      
00B4 36373839         62             DB  36H,37H,38H,39H,30H,31H        ;678901
00B8 3031                    
00BA FF               63             DB  0ffh
                      64     END
                             
                             
                             
                                         
A51 MACRO ASSEMBLER  字符式LCD的觃用                                                      05/24/2008 06:37:15 PAGE     3

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


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

DELAY. . . . . . .  C ADDR   008BH   A   
DOUT . . . . . . .  D ADDR   00B0H   A   
E. . . . . . . . .  B ADDR   00A0H.5 A   
EXIT . . . . . . .  C ADDR   005AH   A   
LCD_MODEL. . . . .  C ADDR   0066H   A   
LOP. . . . . . . .  C ADDR   0030H   A   
P2 . . . . . . . .  D ADDR   00A0H   A   
P3 . . . . . . . .  D ADDR   00B0H   A   
READY. . . . . . .  C ADDR   0080H   A   
RS . . . . . . . .  B ADDR   00A0H.7 A   
RW . . . . . . . .  B ADDR   00A0H.6 A   
S. . . . . . . . .  C ADDR   0053H   A   
SP . . . . . . . .  D ADDR   0081H   A   
TAB. . . . . . . .  C ADDR   009BH   A   
TAB1 . . . . . . .  C ADDR   00ABH   A   
WRITE. . . . . . .  C ADDR   004BH   A   
WRITE1 . . . . . .  C ADDR   005BH   A   


REGISTER BANK(S) USED: 0 

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