ledping.asm

是斑竹新近的小制作256个发光管制作的16*16汉字led屏

;斑竹制作的汉字显示屏：倚天一出宝刀屠龙，有空的朋友可以做一个送给女朋友。 
;***************************************************************************
;*  [e-mail]		     (51c51 test web)     www.8951.com     *
;*  Create by :石学军      www.51c51.com 更多例程请登陆网站        	   *
;***************************************************************************
 ORG  00H
START: MOV A,#0FFH
       MOV P0,A
       ANL P2,#00
       MOV R2,#200
D1:    MOV R3,#248		;延时
       DJNZ R3,$
       DJNZ R2,D1
       MOV 20H,#00H
l1:    MOV R1,#100
L2:    MOV R6,#16
       MOV R4,#00H
       MOV R0,20H
L3:    MOV A,R4
       MOV P1,A			;开三极管
       INC R4
       MOV A,R0
       MOV DPTR,#TABLE 
       MOVC A,@A+DPTR 
       MOV P0,A			;查表送P0口
       INC R0 
       MOV A,R0
       MOV DPTR,#TABLE 
       MOVC A,@A+DPTR
       MOV P2,A			;查表送P2口
       INC R0
       MOV R3,#02
D2:    MOV R5,#248
       DJNZ R5,$
       DJNZ R3,D2
       MOV A,#00H
       MOV P0,A
       ANL P2,#00H
       DJNZ R6,L3
       DJNZ R1,L2
       MOV 20H,R0
       CJNE R0,#0FFH,L1		;检测是否送完
       JMP START 
       
 TABLE :
db 01H,00H,02H,00H,04H,00H,1FH,0FFH
db 0E2H,00H,22H,00H,22H,0FCH,26H,88H
db 2AH,88H,0F2H,88H,2AH,0FAH,26H,01H
db 63H,0FEH,26H,00H,02H,00H,00H,00H

db 02H,01H,42H,01H,42H,02H,42H,04H
db 42H,08H,42H,30H,42H,0C0H,7FH,00H
db 42H,0C0H,42H,30H,42H,08H,42H,04H
db 0C2H,02H,46H,03H,02H,02H,00H,00H

db 01H,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,7FH,3FH,02H,02H,02H
db 02H,02H,02H,02H,02H,02H,0FFH,0FEH
db 02H,02H,02H,02H,02H,02H,02H,02H
db 3FH,02H,00H,7FH,00H,00H,00H,00H

db 08H,00H,30H,02H,22H,02H,22H,42H
db 22H,42H,22H,42H,0A2H,42H,63H,0FEH
db 22H,42H,22H,52H,22H,0DAH,26H,42H
db 22H,06H,28H,02H,30H,00H,00H,00H

db 00H,00H,20H,01H,20H,02H,20H,04H
db 20H,18H,20H,60H,3FH,80H,20H,00H
db 20H,00H,20H,02H,20H,01H,20H,02H
db 7FH,0FCH,20H,00H,00H,00H,00H,00H

db 00H,02H,00H,0CH,7FH,0F4H,51H,08H
db 55H,10H,55H,3FH,55H,6AH,5FH,0AAH
db 55H,2AH,57H,2AH,55H,2AH,59H,2AH
db 0F1H,7FH,43H,20H,01H,00H,00H,00H

db 08H,00H,08H,01H,08H,02H,08H,0CH
db 08H,30H,09H,0C4H,0FEH,04H,08H,08H
db 0FH,0FCH,48H,22H,28H,42H,08H,82H
db 0BH,02H,18H,02H,08H,1EH,00H,00H

end