led.asm

一个点阵程序,字数能显示两百多个字,扩展内存可以显示更多的字

	ORG	0000H
main:	MOV	DPTR,#TAB	;字码表初址赋值	
	MOV	R1,#00H		;列控制码
	mov R3,#16
CM:	MOV	R5,#10		;每屏反复显示5次
C1:	MOV	R2,#0		;取码指针

C16:	MOV	P0,#00H
	MOV	P2,#00H		;关显示	
	CLR	P3.0

	MOV	A,R2
	MOVC	A,@A+DPTR	;取当前列显示字码的第一个字节
	MOV	P0,A		;送1~8行控制口
	INC	R2
	MOV	A,R2
	MOVC	A,@A+DPTR	;取当前列的显示字码的第二个字节
	MOV	P2,A		;送9~15行控制口
	INC	R2

	MOV	P1,R1		;送列控制码
	INC	R1

   	ACALL	D1MS		;显示1MS
	ACALL	D1MS

	DJNZ	R3,C16		
	MOV	R3,#16

	DJNZ	R5,C1		
	INC	DPTR		
	INC	DPTR

	cjne	a,#0bh,c2
	jmp	main
c2:    	djnz	r5,cm
	
D1MS:	MOV	R6,#2
	MOV	R7,#50
	DJNZ	R7,$
	DJNZ	R6,$-4
	RET
TAB:	
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H     ;不显示

DB 00H,00H,00H,00H,0F8H,7FH,08H,21H,0CH,21H,0AH,21H,09H,21H,08H,21H
db  08H,21H,08H,21H,08H,21H,08H,21H,0FCH,7FH,08H,00H,00H,00H,00H,00H   ;白

DB 40H,00H,40H,00H,40H,40H,44H,60H,44H,58H,44H,46H,0C4H,41H,44H,40H
db 44H,40H,44H,40H,46H,50H,44H,60H,40H,0C0H,60H,00H,40H,00H,00H,00H    ;云

DB 40H,04H,30H,04H,11H,04H,96H,04H,90H,04H,90H,44H,91H,84H,96H,7EH
db 90H,06H,90H,05H,98H,04H,14H,04H,13H,04H,50H,06H,30H,04H,00H,00H     ;学

DB 00H,00H,0FEH,0FFH,22H,04H,5AH,08H,96H,87H,0CH,81H,24H,41H,24H,31H
db 25H,0FH,26H,01H,24H,3FH,34H,41H,0A4H,41H,14H,41H,0CH,70H,00H,00h    ;院

DB 00H,00H,0F8H,07H,48H,02H,48H,02H,48H,02H,48H,02H,0FFH,3FH,48H,42H
db 48H,42H,48H,42H,48H,42H,0FCH,47H,08H,40H,00H,70H,00H,00H,00H,00H;电

DB 80H,00H,80H,00H,82H,00H,82H,00H,82H,00H,82H,40H,82H,80H,0E2H,7FH
db 0A2H,00H,92H,00H,8AH,00H,86H,00H,80H,00H,0C0H,00H,80H,00H,00H,00H;子

DB 00H,00H,02H,00H,22H,42H,22H,22H,32H,1AH,2EH,43H,0A2H,82H,62H,7EH
db 22H,02H,22H,02H,91H,0AH,09H,13H,01H,66H,00H,00H,00H,00H,00H,00H

DB 04H,10H,34H,08H,0C4H,06H,04H,01H,0C4H,82H,3CH,8CH,20H,40H,10H,30H
db 0FH,0CH,0E8H,03H,08H,0CH,08H,10H,28H,60H,18H,0C0H,00H,40H,00H,00H;欢

DB 40H,00H,42H,40H,44H,20H,0C8H,1FH,00H,20H,0FCH,47H,04H,42H,02H,41H
db 82H,40H,0FCH,7FH,04H,40H,04H,42H,04H,44H,0FEH,63H,04H,20H,00H,00H;迎

DB 00H,02H,00H,02H,20H,02H,10H,01H,08H,0FDH,97H,44H,0A4H,44H,44H,44H
db 44H,44H,0A4H,44H,94H,44H,0CH,0FDH,00H,01H,00H,03H,00H,01H,00H,00H
  
DB 80H,00H,40H,00H,20H,00H,0F8H,0FFH,07H,20H,10H,20H,0D0H,20H,10H,23H
db 11H,2CH,16H,20H,10H,38H,10H,27H,0D8H,20H,10H,30H,00H,20H,00H,00H
 
DB 20H,01H,10H,01H,2CH,09H,43H,11H,04H,69H,08H,05H,12H,83H,0F2H,8FH
db 12H,40H,1AH,30H,0D6H,0FH,12H,10H,12H,20H,0FBH,4FH,12H,0C0H,00H,00H
  
DB 00H,04H,00H,04H,7EH,04H,92H,04H,92H,14H,92H,24H,92H,04H,92H,04H
db 92H,44H,92H,84H,92H,7FH,0BFH,04H,82H,04H,0E0H,06H,00H,04H,00H,00H 
  
DB 04H,04H,04H,02H,04H,01H,0C4H,0FFH,34H,40H,8FH,40H,84H,42H,84H,5CH
db 94H,40H,0EFH,40H,84H,70H,84H,4EH,0C4H,42H,86H,60H,04H,40H,00H,00H

DB 00H,00H,0FCH,1FH,00H,00H,0FFH,0FFH,40H,00H,20H,0FFH,10H,41H,0CH,41H
db 2BH,41H,48H,7FH,0C8H,41H,08H,41H,08H,41H,8CH,0FFH,08H,01H,00H,00H;临

DB 20H,00H,24H,08H,24H,48H,24H,84H,0FEH,7FH,23H,02H,22H,21H,20H,10H
db 0FFH,09H,20H,06H,22H,1AH,0ACH,61H,20H,80H,30H,0E0H,20H,00H,00H,00H
	
DB 10H,04H,10H,03H,0D0H,00H,0FFH,0FFH,90H,80H,10H,81H,88H,40H,48H,40H
db 0A8H,21H,09H,16H,0AH,08H,08H,16H,0A8H,61H,4CH,0C0H,0C8H,40H,00H,00H	

DB 10H,02H,10H,42H,10H,81H,0FFH,7FH,90H,00H,50H,00H,00H,00H,3FH,0FFH
db 48H,49H,48H,49H,48H,49H,44H,49H,46H,49H,0C4H,0FFH,70H,01H,00H,00H
	
DB 00H,04H,00H,04H,7EH,04H,92H,04H,92H,14H,92H,24H,92H,04H,92H,04H
db 92H,44H,92H,84H,92H,7FH,0BFH,04H,82H,04H,0E0H,06H,00H,04H,00H,00H

DB 20H,02H,24H,12H,24H,51H,0A4H,90H,0FFH,7EH,0A4H,0AH,0B4H,89H,0ACH,40H
db 20H,20H,9FH,1BH,10H,04H,10H,1BH,0F0H,60H,18H,0C0H,10H,40H,00H,00H

DB 04H,00H,04H,00H,24H,00H,0A4H,0FFH,0B4H,0AH,0ACH,0AH,0A5H,0AH,0A6H,0AH
db 0A4H,0AH,0A4H,4AH,0A4H,8AH,0B4H,7FH,64H,00H,06H,00H,04H,00H,00H,00H
 
DB 00H,20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,0FCH,3FH
db 04H,20H,04H,20H,04H,20H,04H,20H,06H,20H,04H,30H,00H,20H,00H,00H

DB 80H,00H,40H,00H,20H,00H,0F8H,0FFH,87H,00H,40H,00H,30H,00H,0FH,00H
db 0F8H,0FFH,88H,08H,88H,08H,0C8H,08H,88H,0CH,0CH,08H,08H,00H,00H,00H

DB 00H,00H,00H,38H,00H,7CH,00H,44H,00H,44H,00H,7CH,00H,38H,00H,00H
db 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
 
DB 0FCH,3FH,0FEH,7FH,06H,60H,0FEH,7FH,0FCH,3FH,00H,00H,0CH,00H,06H,00H
db 06H,00H,06H,00H,06H,00H,0FEH,7FH,0FEH,7FH,06H,00H,02H,00H,00H,00H
 
DB 00H,40H,00H,20H,0FEH,1FH,12H,00H,12H,0FFH,12H,49H,12H,49H,12H,49H
db 0F2H,7FH,12H,49H,12H,49H,12H,49H,9FH,0FFH,02H,01H,00H,00H,00H,00H
 
DB 40H,00H,42H,40H,44H,20H,0CCH,1FH,00H,20H,00H,40H,0F1H,0BFH,91H,84H
db 95H,84H,0F9H,0BFH,95H,94H,93H,0A4H,0F9H,9FH,10H,0C0H,00H,40H,00H,00H
 
DB 80H,00H,40H,00H,20H,00H,0F8H,0FFH,07H,00H,24H,01H,24H,0FDH,24H,45H
db 25H,45H,26H,45H,24H,45H,24H,45H,0B4H,0FDH,26H,01H,04H,00H,00H,00H
 
DB 00H,20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,04H,20H,0FCH,3FH
db 04H,20H,04H,20H,04H,20H,04H,20H,06H,20H,04H,30H,00H,20H,00H,00H
 
DB 24H,08H,24H,06H,0A4H,01H,0FEH,0FFH,0A3H,00H,22H,43H,20H,41H,7EH,49H
db 42H,49H,42H,49H,42H,7FH,42H,49H,42H,4DH,7FH,69H,02H,41H,00H,00H
 
DB 00H,08H,00H,08H,00H,08H,0FFH,08H,88H,08H,88H,08H,88H,08H,88H,08H
db 88H,08H,88H,4CH,88H,88H,88H,40H,0CCH,3FH,88H,00H,00H,00H,00H,00H

DB 00H,00H,0FEH,0FFH,12H,18H,62H,06H,82H,01H,62H,02H,1AH,2CH,02H,10H
db 12H,08H,62H,06H,82H,01H,62H,42H,1AH,8CH,0FFH,7FH,02H,00H,00H,00H 
	
DB 20H,22H,30H,63H,0ACH,22H,63H,12H,30H,12H,00H,04H,10H,02H,08H,0FFH
db 17H,43H,0A4H,42H,44H,42H,0A4H,42H,14H,43H,0CH,0FFH,00H,01H,00H,00H	
	
DB 10H,04H,10H,44H,10H,82H,0FFH,7FH,10H,01H,10H,80H,88H,81H,88H,46H
db 88H,28H,0FFH,10H,88H,28H,88H,26H,8CH,41H,08H,0C0H,00H,40H,00H,00H	

DB 20H,10H,20H,10H,20H,08H,20H,04H,20H,02H,20H,01H,0A0H,00H,0FFH,0FFH
db 0A0H,00H,22H,01H,24H,02H,2CH,04H,20H,08H,30H,18H,20H,08H,00H,00H

DB 00H,00H,0F8H,1FH,04H,20H,02H,40H,01H,80H,00H,00H,08H,20H,04H,30H
db 0FEH,3FH,00H,30H,00H,20H,01H,80H,02H,40H,04H,20H,0F8H,1FH,00H,00H
  	
DB 84H,20H,84H,60H,0FCH,3FH,84H,10H,06H,92H,0F4H,41H,00H,38H,0FFH,07H
db 00H,40H,84H,40H,84H,40H,0FCH,7FH,84H,40H,86H,60H,04H,40H,00H,00H	
	
DB 00H,00H,00H,00H,00H,00H,00H,00H,80H,31H,0C0H,7BH,0C0H,7BH,80H,31H
db 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
 
DB 80H,20H,80H,20H,0A0H,10H,9EH,08H,88H,04H,88H,02H,88H,01H,0FFH,0FFH
db 88H,02H,88H,04H,88H,08H,8CH,08H,88H,10H,0C0H,30H,80H,10H,00H,00H
 
DB 80H,00H,40H,00H,20H,00H,0F8H,0FFH,07H,02H,48H,02H,48H,02H,48H,02H
db 48H,02H,0FFH,0FFH,48H,02H,48H,12H,68H,22H,4CH,1FH,08H,02H,00H,00H
 
DB 02H,20H,0E2H,43H,22H,82H,22H,42H,7FH,3EH,02H,00H,80H,4FH,0BEH,44H
db 92H,44H,92H,44H,0F2H,7FH,92H,44H,92H,44H,0BFH,64H,82H,0CFH,00H,00H
 
DB 00H,00H,80H,00H,80H,00H,80H,00H,80H,00H,80H,00H,80H,00H,80H,00H
db 80H,00H,80H,00H,80H,00H,80H,00H,80H,00H,80H,00H,80H,00H,00H,00H
 
DB 40H,00H,40H,00H,42H,00H,0CCH,7FH,00H,0A0H,40H,90H,0A0H,40H,9FH,43H
db 81H,2CH,81H,10H,81H,28H,9FH,26H,0A0H,41H,20H,0C0H,20H,40H,00H,00H
 
DB 40H,00H,40H,00H,42H,00H,0CCH,7FH,00H,20H,40H,10H,40H,08H,40H,00H
db 40H,00H,0FFH,0FFH,40H,00H,40H,00H,40H,00H,60H,00H,40H,00H,00H,00H
 
DB 00H,00H,00H,00H,00H,04H,00H,0CH,00H,18H,00H,38H,00H,38H,00H,30H
db 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H

DB 40H,00H,60H,00H,5EH,3FH,48H,01H,48H,01H,0FFH,0FFH,48H,11H,4CH,21H
db 68H,1FH,40H,00H,0F8H,07H,00H,40H,00H,80H,0FFH,7FH,00H,00H,00H,00H
 
DB 80H,00H,40H,00H,20H,00H,0F8H,0FFH,87H,00H,40H,00H,30H,00H,0FH,00H
db 0F8H,0FFH,88H,08H,88H,08H,0C8H,08H,88H,0CH,0CH,08H,08H,00H,00H,00H
 
DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,7CH,10H,0FEH,3BH
db 0FEH,3BH,7CH,10H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H