2.下面是8253的初始化程序,请在______处对此程序做出解释:
MOV AL,36H ;__________________
OUT 43H,AL ;__________________
MOV AL,0
OUT 40H,AL ;____________
OUT 40H,AH ;____________
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求救~大虾们帮帮我啊!
2.下面是8253的初始化程序,请在______处对此程序做出解释: MOV AL,36H ;__________________ OUT 43H,AL ;__________________ MOV AL,0 OUT 40H,AL ;____________ OUT 40H,AH ;____________