簡易led電子廣告牌設(shè)計(jì)(參考版)
2025-07-03 07:38本頁面
【正文】 延遲子程序 push cx mov cx,0ffffhccc: loop ccc pop cx retDELAY ENDP exit: mov ah,4ch int 21hCODE ENDS END START 。黃色紅色交替顯示。8253,dao jiu shun xu zhi xing ,fou ze jiu dao hao 。8253,dao jiu shun xu zhi xing ,fou ze jiu dao ni agn1_lee: mov cx,0600h 。8253,dao jiu shun xu zhi xing ,fou ze jiu dao jingagn1_ke1: mov cx,0600h 。agn1 為顯示黃色d1_ke: mov si,offset min1 mov ah,01 push cx mov cx,0008h next1_ke: mov al,[si] mov bx,offset ke xlat mov dx,proth out dx,al mov al,ah mov dx,protly out dx,al shl ah,01 inc si push cx mov cx,0ffffhdelay1_ke: loop delay1_ke pop cx loop next1_ke pop cx call delay loop d1_ke mov al,00 mov dx,protly out dx,al mov ah,01 int 16h jz agn1_kou mov ah,0 int 16h cmp al,52h je t11agn1_kou: mov cx,0600h 。============================================================== tiao: jmp exit。延時(shí) pop cx loop next_lee pop cx call delay loop d2_lee mov al,00 mov dx,protlr out dx,al mov ah,01 。得到第一行碼 mov dx,proth out dx,al mov al,ah mov dx,protlr out dx,al 。有無鍵按下 int 16h jz agn_lee mov ah,0 int 16h cmp al,52ht2: je tiao 。顯示第一行紅 shl ah,01 inc si push cx mov cx,0ffffhdelay2_ke1: loop delay2_ke1 。檢測8253，到時(shí)間就到niagn_ke1:
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