giúp em cái chương trình led ma trận dùng 74HC595 ........

**hoangphat** · 13-07-09 17:22

em đang làm bảng quang báo loại lớn (16x160) dùng chip at89s52 và 2.0 clock 2.1 data dịch cột P3 dùng tran kéo hàng
các pác giúp em với
đây là code 8x160 của em:

Code:

#define SCL P2.1
#define SDA P2.0
#define SDA1 P2.2
#define RUN_DATA 40H
#define MOC 41H
#define BIEN_32 42H
#define TIME_BACK 43H
TIME_MOVE EQU 44H


ORG 0000H
MAIN:
		DONG1:
		     LCALL    SCAN    
		     DJNZ   R0, DONG1
		     MOV    DPTR,#VINHPHAT
		M1:    
		     MOV    R0,#2  
		M2: 
			LCALL SCAN ;NAP DU LIEU
			DJNZ R0,M2
			INC DPTR
			MOV A,DPL
			CJNE A,#LOW(VINHPHAT+50),M1

;=============================================
;=============================================

BACK1: ; MAIN
MOV RUN_DATA,MOC
MOV A,RUN_DATA
MOV TIME_BACK,TIME_MOVE
;=====================
BACK3:
MOV A,RUN_DATA
MOVC A,@A+DPTR
MOV P3,A
LCALL DELAY
MOV P3,#0FFH
;============
CLR SCL
NOP
SETB SCL
;============
INC RUN_DATA
MOV A,RUN_DATA
CJNE A,#0FFH,DEM_32_LAN
MOV RUN_DATA,#0
DEM_32_LAN:
INC BIEN_32
MOV A,BIEN_32
CJNE A,#99,BACK3
MOV RUN_DATA,MOC
MOV BIEN_32,#190
;============================
SETB SDA
CLR SCL
NOP
SETB SCL
CLR SDA
;=============
DJNZ TIME_BACK,BACK3
INC MOC
MOV A,MOC
CJNE A,#0ffh,THOAT
MOV MOC,#0
THOAT:
SJMP BACK1
;=============================================
SCAN:

MOV TIME_MOVE,#1
SETB SDA ; START
CLR SCL
SETB SCL
CLR SDA
MOV RUN_DATA,#200 ; DEFAUL
MOV MOC,#200
MOV BIEN_32,#0
 ret
SCAN2:

MOV TIME_MOVE,#1
SETB SDA1 ; START
CLR SCL
SETB SCL
CLR SDA1
MOV RUN_DATA,#2 ; DEFAUL
MOV MOC,#2
MOV BIEN_32,#0
ret
;=================================
DELAY:
MOV R6,#250
delay1:
nop 
nop
DJNZ R6,delay1
RET
;========================
VINHPHAT:
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
;DB     0FFH,1H,1H,0FDH,0FDH,0FDH,0FFH,1H,1H,6DH,6DH,6DH,0FFH,1H,1H,7DH,7DH,83H,83H,0FFH,0FFH,0FFH,0FFH,0FFH  ;led

DB     0FFH,1H,1H,0FDH,0FDH,0FDH,0FFH,1H,1H,6DH,6DH,6DH,0FFH,1H,1H,7DH,7DH,1H,83H,0FFH,0FFH,0FFH,0FFH,0FFH  
DB     0FFH,0FFH,80H,80H,0BEH,0BEH,80H,0C1H,0FFH,80H,80H,0FFH,0CDH,84H,0B6H,0B6H,90H,0D9H,0FFH,80H,80H,0B7H,0B7H,87H  
DB     0CFH,0FFH,80H,80H,0FEH,0FEH,0FEH,0FFH,0F0H,0E0H,0DBH,0BBH,0DBH,0E0H,0F0H,0FFH,0FFH,8FH,87H,0F0H,0F0H,87H,8FH,0FFH
DB     0FFH,0FFH,0DBH,0E7H,81H,0E7H,0DBH,0FFH,0FFH,0FFH,0FFH,0DBH,0E7H,81H,0E7H,0DBH,0FFH,0FFH  ;HOA
DB     0FFH,0FFH,0DBH,0E7H,81H,0E7H,0DBH,0FFH,0FFH,0FFH,0FFH,0DBH,0E7H,81H,0E7H,0DBH,0FFH,0FFH  ;HOA
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
END

cái này em chưa làm mạch thực chỉ mới mô phỏng trên proteus
cái em cần giúp là làm sao để kéo dài đoạn văn và có thể chạy dc chữ lớn (2 dòng) mong các pác giúp em
xin trân thành cảm ơn