ad0804.lst

这个是自己编的一个简单的AD转换的程序。

A51 MACRO ASSEMBLER  AD0804                                                               04/12/2009 16:17:47 PAGE     1


MACRO ASSEMBLER A51 V7.01
NO OBJECT MODULE REQUESTED
ASSEMBLER INVOKED BY: G:\C51\keil 安装\C51\BIN\A51.EXE AD0804.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     
                       2     
                       3     
0000                   4            ORG 0000H
0000 020030            5            LJMP MAIN
0030                   6            ORG 0030H
0030 758160            7     MAIN:MOV  SP,#60H
0033                   8     MAIN0:MOVX, @P0,A ;使P0为高阻抗，并使ADC0804开始转换，WR反=0
*** ___________________________________^
*** ______________________________________^
*** ERROR #A15 IN 8 (AD0804.asm, LINE 8): MISSING FACTOR
*** ERROR #A9 IN 8 (AD0804.asm, LINE 8): SYNTAX ERROR
0033                   9           JB  R2,$；检查0804的INTR＝0？是则转换完成
*** _______________________________________^
*** ________________________________________^
*** _________________________________________^
*** __________________________________________^
*** ___________________________________________^
*** ERROR #A9 IN 9 (AD0804.asm, LINE 9): SYNTAX ERROR
*** ERROR #A9 IN 9 (AD0804.asm, LINE 9): SYNTAX ERROR
*** ERROR #A3 IN 9 (AD0804.asm, LINE 9): ILLEGAL CHARACTER
*** ERROR #A3 IN 9 (AD0804.asm, LINE 9): ILLEGAL CHARACTER
*** ERROR #A3 IN 9 (AD0804.asm, LINE 9): ILLEGAL CHARACTER
*** MORE ERRORS DETECTED, NOT REPORTED
0033 E2               10           MOVX A,@R0;蒋转换好的数据载入累加器
0034 F4               11           CPL A;蒋累加器的值反相
0035 F590             12           MOV P1,A;输出至P1
0037 113B             13           CALL DELAY;延时50ms
0039 80F8             14           JMP MAIN0
003B 7E64             15     DELAY:MOV R6,#100
003D 7DF8             16     D1:   MOV R5,#248
003F DDFE             17           DJNZ R5,$
0041 DEFA             18           DJNZ R6,D1
0043 22               19           RET
                      20           END
A51 MACRO ASSEMBLER  AD0804                                                               04/12/2009 16:17:47 PAGE     2

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


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

D1 . . . . . . . .  C ADDR   003DH   A   
DELAY. . . . . . .  C ADDR   003BH   A   
INTR . . . . . . .    ----   -----       
MAIN . . . . . . .  C ADDR   0030H   A   
MAIN0. . . . . . .  C ADDR   0033H   A   
P0 . . . . . . . .  D ADDR   0080H   A   
P1 . . . . . . . .  D ADDR   0090H   A   
SP . . . . . . . .  D ADDR   0081H   A   


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 26 ERROR(S)