led源程序.txt

显示16*16点阵汉字左移程序

	org	0000h
main:	mov	a,#00h
	mov	p0,a
	mov	p2,a
	mov	20h,a
	mov	21h,a
	mov	dptr,#table
display:mov	r2,#06h
disp:	mov	r0,#00h
	mov	r1,#10h
	mov     r4,#20h
loop:	mov	a,r0
	movc	a,@a+dptr
	mov	p2,a
	inc	r0
	mov	a,r0
	movc	a,@a+dptr
	mov	p0,a
	inc	r0
        
	mov	p1,r4
	dec	r4

	lcall	delay400us
	djnz	r1,loop
	djnz	r2,disp
        
        mov     a,20h
	inc	dptr
	inc	dptr
	mov	a,20h
	add	a,#01h
	mov	20h,a
	cjne	a,#0b2h,display
	mov	20h,#00h
	mov	a,21h
	add	a,#01h
	mov	21h,a
	cjne	a,#10h,display
	
	ajmp	main
delay400us:
	mov	r7,#20d
d1:	mov	r6,#20d
d2:	djnz	r6,d2
	djnz	r7,d1
	ret	
 table:	
 DB 00H,40H,04H,42H
       DB 04H,42H,04H,44H
       DB 0FFH,44H,94H,48H
       DB 94H,50H,94H,0FFH
       DB 94H,50H,94H,48H
       DB 0FFH,48H,04H,44H
       DB 06H,46H,04H,0C4H
       DB 00H,40H,00H,00H
       ;2 "nian"
       DB 00H,20H,20H,20H
       DB 10H,20H,0CCH,0E0H
       DB 47H,20H,44H,20H
       DB 44H,20H,0FCH,0FFH
       DB 44H,20H,44H,20H
       DB 44H,20H,64H,20H
       DB 46H,20H,04H,60H
       DB 00H,20H,00H,00H
       ;3 "mou"
       DB 00H,40H,04H,42H
       DB 04H,42H,04H,44H
       DB 0FFH,44H,94H,48H
       DB 94H,50H,94H,0FFH
       DB 94H,50H,94H,48H
       DB 0FFH,48H,04H,44H
       DB 06H,46H,04H,0C4H
       DB 00H,40H,00H,00H
       ;4 "yue"
       DB 00H,00H,00H,01H
       DB 00H,02H,00H,0CH
       DB 0FEH,0F0H,22H,40H
       DB 22H,40H,22H,40H
       DB 22H,40H,22H,42H
       DB 22H,41H,0FFH,0FEH
       DB 02H,00H,00H,00H
       DB 00H,00H,00H,00H
       ;5 "de"
       DB 00H,00H,0F8H,0FEH
       DB 0CH,84H,00BH,84H
       DB 08H,84H,08H,84H
       DB 0FCH,0FEH,28H,00H
       DB 90H,00H,0FH,80H
       DB 08H,0C2H,08H,01H
       DB 08H,02H,0FCH,0FCH
       DB 08H,00H,00H,00H
       ;6 "mou"
       DB 00H,40H,04H,42H
       DB 04H,42H,04H,44H
       DB 0FFH,44H,94H,48H
       DB 94H,50H,94H,0FFH
       DB 94H,50H,94H,48H
       DB 0FFH,48H,04H,44H
       DB 06H,46H,04H,0C4H
       DB 00H,40H,00H,00H
       ;7 "yi"
       DB 80H,00H,80H,00H
       DB 80H,00H,80H,00H
       DB 80H,00H,80H,00H
       DB 80H,00H,80H,00H
       DB 80H,00H,80H,00H
       DB 80H,00H,80H,00H
       DB 80H,00H,0C0H,00H
       DB 80H,00H,00H,00H
       ;8 "tian"
       DB 40H,01H,42H,01H
       DB 42H,02H,42H,04H
       DB 42H,08H,42H,30H
       DB 42H,0C0H,0FEH,00H
       DB 42H,0C0H,42H,30H
       DB 42H,08H,42H,04H
       DB 43H,02H,62H,03H
       DB 40H,02H,00H,00H