Computer Science, asked by probot022, 5 hours ago

what's port addressing mode

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Answered by spbankingandsscserie

Answer:

In direct port addressing mode, an 8-bit port address is directly specified in the instruction. In indirect port addressing mode, the instruction will specify the name of the register which holds the port address. In 8086, the 16-bit port address is stored in the DX register.

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