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class data_mem:
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memory=[8*'0']*4*1024*16
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def mem(self,write_en,read_en,address,data_in,funct3): #写使能，读使能，(使能为int的0或1)地址，输入数据，func3 #输出为data_out
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if write_en:
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if funct3=='000':
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pass
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elif funct3=='001':
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pass
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elif funct3=='010':
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pass
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else:
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pass
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if read_en:
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if funct3=='000':
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pass
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elif funct3=='001':
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pass
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elif funct3=='010':
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pass
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elif funct3=='100':
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pass
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elif funct3=='101':
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pass
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else:
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pass
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