如何制作点阵式汉字LED显示屏

DJNZ R3,DELAY2

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MOV A,#00H ；清除屏幕

MOV P0,A

ANL P2,#00H

DJNZ R6,L3 ；一个字16个码是否完成？

DJNZ R1,L16 ；每个字的停留时间是否到了？

MOV 20H,R0 ；取码指针存入20H

CJNE R0,#0FFH,L100 ；8个字256个码是否完成？

JMP LOOP ；反复循环

TABLE :

；汉字“电”的代码

DB 00H,00H,1FH,0E0H,12H,40H,12H,40H
DB 12H,40H,12H,40H,0FFH,0FCH,12H,42H
DB 12H,42H,12H,42H,12H,42H,3FH,0E2H
DB 10H,02H,00H,0EH,00H,00H,00H,00H

；汉字“路”的代码

DB 00H,02H,7FH,7EH,42H,02H,43H,0FCH
DB 42H,44H,0FEH,44H,48H,80H,10H,0FFH
DB 31H,42H,0EAH,42H,24H,42H,2AH,42H
DB 31H,42H,21H,0FFH,01H,40H,00H,00H

；汉字“图”的代码

DB 00H,00H,7FH,0FFH,40H,22H,44H,22H
DB 48H,42H,78H,92H,55H,92H,52H,4AH
DB 55H,26H,58H,82H,50H,42H,40H,62H
DB 40H,42H,0FFH,0FFH,40H,00H,00H,00H