111.lst

此代码可以实现单片机流水灯设计

111                                                                                                           PAGE 1

0000                   1             ORG    0000H
0000 020003            2             LJMP   MAIN
0003                   3    MAIN:
0003 900019            4             mov   dptr,#tab
0006 75A007            5             mov   0A0H,#07h
0009 740B              6    start:   mov   a,#0bh
000B D802              7    again:   djnz  a,dodo
****---------------------------------------^
****ERROR #20: Illegal operand
000D 80FA              8             sjmp  start
000F F8                9    dodo:    mov   r0,a
0010 93               10             movc  a,@a+dptr
0011 F580             11             mov   80H,a
0013 E8               12             mov   a,r0
0014 120024           13             lcall delay
0017 80F2             14             sjmp  again
0019 009080F8         15    tab:  db  00h,90h,80h,0f8h,82h,92h,99h,0b0h,0a4h,0f9h,0c0h
001D 829299B0   
0021 A4F9C0     
0024                  16    DELAY:                                  ; 延时子程序
0024 78FF             17            MOV     R0,#0FFH
0026 79FF             18            MOV     R1,#0FFH
0028                  19    DLY_LP:
0028 00               20            NOP
0029 00               21            NOP
002A D8FC             22            DJNZ    R0,DLY_LP
002C 78FF             23            MOV     R0,#0FFH
002E D9F8             24            DJNZ    R1,DLY_LP 
0030 22               25            RET
                      26            
                      27            END

VERSION 1.2h ASSEMBLY COMPLETE, 1 ERRORS FOUND

ERROR SUMMARY:
Line #7, ERROR #20: Illegal operand
111                                                                                                           PAGE 2

AGAIN. . . . . . . . . . . . . .  C ADDR  000BH  
DELAY. . . . . . . . . . . . . .  C ADDR  0024H  
DLY_LP . . . . . . . . . . . . .  C ADDR  0028H  
DODO . . . . . . . . . . . . . .  C ADDR  000FH  
MAIN . . . . . . . . . . . . . .  C ADDR  0003H  
START. . . . . . . . . . . . . .  C ADDR  0009H  
TAB. . . . . . . . . . . . . . .  C ADDR  0019H