A51 MACRO ASSEMBLER  PRINTMAIN                                                            11/23/2003 09:32:58 PAGE     1


MACRO ASSEMBLER A51 V6.12
OBJECT MODULE PLACED IN PRINTMAIN.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE PRINTMAIN.ASM DB

LOC  OBJ            LINE     SOURCE

                       1     ;實驗15 液晶顯示器實驗
                       2     ;寫兩行文字在顯示屏上;  
0000                   3             ORG  0
0000 0130              4              AJMP   LCDMAIN
0030                   5              ORG 30H
0030                   6      LCDMAIN: ;LCALL   LCDINT      ;液晶顯示器初始化
0030 90004B            7              MOV     DPTR,#WORD1  ; 取第一行文字的首地址
0033 7A80              8              MOV     R2,#80H
0035                   9              LCALL   WRC          ;送DDRAM 地址，AC指向顯示第一行的第一個字符
*** __________________________________________^
*** ERROR #A45 IN 9 (PRINTMAIN.ASM, LINE 9): UNDEFINED SYMBOL (PASS-2)
0038 7C10             10              MOV     R4,#16       ;連續(xù)寫入16個字符
003A                  11              LCALL   WRN
*** __________________________________________^
*** ERROR #A45 IN 11 (PRINTMAIN.ASM, LINE 11): UNDEFINED SYMBOL (PASS-2)
003D 90005B           12              MOV     DPTR,#WORD2  ; 取第二行文字的首地址
0040 7AC0             13              MOV     R2,#0C0H      ;送DDRAM 地址，AC指向顯示第二行的第一個字符
0042                  14              LCALL   WRC
*** __________________________________________^
*** ERROR #A45 IN 14 (PRINTMAIN.ASM, LINE 14): UNDEFINED SYMBOL (PASS-2)
0045 7C10             15              MOV     R4,#16        ;連續(xù)寫入16個字符
0047                  16              LCALL   WRN
*** __________________________________________^
*** ERROR #A45 IN 16 (PRINTMAIN.ASM, LINE 16): UNDEFINED SYMBOL (PASS-2)
004A 22               17              RET    
004B 20202057         18      WORD1: DB  20H,20H,20H,57H,45H,4CH,43H,4FH,4DH,45H, 20H,54H,4FH,20H,20H,20H
004F 454C434F                
0053 4D452054                
0057 4F202020                
                      19                  ;WELCOME TO 
005B 204F5552         20      WORD2: DB  20H,4FH,55H,52H,20H,55H,4EH,49H,56H,45H,52H,53H,49H,54H,59H,20H
005F 20554E49                
0063 56455253                
0067 49545920                
                      21                  ;OUR  UNIVERSITY 
                      22     END
                             
A51 MACRO ASSEMBLER  PRINTMAIN                                                            11/23/2003 09:32:58 PAGE     2

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


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

LCDMAIN. . . . . .  C ADDR   0030H   A   
WORD1. . . . . . .  C ADDR   004BH   A   
WORD2. . . . . . .  C ADDR   005BH   A   
WRC. . . . . . . .    ----   -----       
WRN. . . . . . . .    ----   -----       


REGISTER BANK(S) USED: 0 

ASSEMBLY COMPLETE.  0 WARNING(S), 4 ERROR(S)