org 00h
  jmp cfg
  org 03h
  clr 00h
  reti
cfg: ;setb ea
;  setb ex0
;  setb it0
  mov dptr,#tab
MM00: CLR 00H
mm: mov a,r2
  movc a,@a+dptr
cpl a
call hbit
  mov r4,a
  deC r2
  mov a,r2
  movc a,@a+dptr
dec r2
  
  cpl a
call hbit
jb 01h,gr0
mov p1,a
mov p3,r4
jmp gr00
gr0:mov p2,a
mov p0,r4
gr00:
djnz r6,$
djnz r6,$
;djnz r6,$
cjne r2,#0ffh,mmm
mov p0,#0ffh
mov p1,#0ffh
mov p2,#0ffh
mov p3,#0ffh
jb 0e8h.3,$   ;檢測是否低電平
mmm:  jb 0e8h.3,MM00   ;檢測是否低電平
  jb 00h,mm
  setb 00h
mov r2,#0ffh
  inc dptr
  inc dptr
  inc dptr
  inc dptr
mov a,dph
cjne a,#tab2/256,e0d
  mov dptr,#tab
cpl 01h
e0d: jmp mm
hbit:  ;這是一個位交換子程序，用來實現字倒著顯示或者正著顯示，倒著顯示時適合電動機在上面掛起來安裝的情況。
mov c,acc.0
mov b.7,c
mov c,acc.1
mov b.6,c
mov c,acc.2
mov b.5,c
mov c,acc.3
mov b.4,c
mov c,acc.4
mov b.3,c
mov c,acc.5
mov b.2,c
mov c,acc.6
mov b.1,c
mov c,acc.7
mov b.0,c
mov a,b
ret

org 200h;org 300h，下面是顯示的數據內容，是用本站軟件自動生成的供碼，請自行修改，其中的0000000000數據是加進去的空白代碼，用來顯示開頭和結尾的空白;;………………數據內容省略，請用本站的自動數碼代碼程序自動生成
tab:
db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
db 00h,04h,40h,04h,41h,04h,41h,04h
db 41h,04h,41h,0fch,7fh,04h,41h,04h
db 41h,04h,41h,04h,43h,0fch,41h,04h
db 40h,04h,00h,0ch,00h,04h,00h,00h
db 00h,00h,01h,00h,01h,00h,01h,00h
db 01h,00h,01h,00h,01h,00h,01h,00h
db 01h,00h,01h,00h,01h,00h,01h,00h
db 01h,00h,03h,00h,01h,00h,00h,00h
db 00h,00h,00h,00h,1fh,0f0h,12h,20h
db 12h,20h,12h,20h,12h,20h,0ffh,0fch
db 12h,22h,12h,22h,12h,22h,12h,22h
db 1fh,0f2h,00h,02h,00h,0eh,00h,00h
db 00h,80h,00h,80h,40h,80h,40h,80h
db 40h,80h,40h,82h,40h,81h,47h,0feh
db 48h,80h,50h,80h,60h,80h,40h,80h
db 00h,80h,01h,80h,00h,80h,00h,00h
db 10h,04h,1fh,0fch,00h,84h,01h,00h
db 01h,00h,01h,04h,00h,0fch,00h,04h
db 00h,00h,01h,00h,01h,00h,07h,0f8h
db 01h,04h,01h,04h,00h,00h,00h,00h
db 00h,00h,01h,00h,01h,00h,07h,0f8h
db 01h,04h,01h,04h,00h,00h,00h,00h
db 01h,01h,01h,0ffh,00h,85h,01h,04h
db 01h,04h,00h,88h,00h,70h,00h,00h
db 00h,00h,00h,00h,00h,00h,03h,0ch
db 03h,0ch,00h,00h,00h,00h,00h,00h
db 00h,00h,00h,06h,00h,18h,00h,60h
db 01h,80h,06h,00h,18h,00h,20h,00h
db 00h,00h,00h,06h,00h,18h,00h,60h
db 01h,80h,06h,00h,18h,00h,20h,00h
tab1:db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
db 00h,30h,01h,0ch,01h,0f0h,01h,00h
db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
db 00h,30h,01h,0ch,01h,0f0h,01h,00h
db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
db 00h,30h,01h,0ch,01h,0f0h,01h,00h
db 00h,00h,00h,0ch,00h,0ch,00h,00h
db 00h,00h,00h,00h,00h,00h,00h,00h
db 00h,00h,1fh,98h,10h,84h,11h,04h
db 11h,04h,10h,88h,10h,70h,00h,00h
tab2:end

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