Opcode IN

CPU: i8086+
Type of Instruction: User

Instruction: IN accum, port

Flags Affected: None

Note: A byte, word or double word is read from "port" and placed
in AL, AX or EAX respectively. If the port number is in the range
of 0-255 it can be specified as an immediate, otherwise port
number must be specified in DX.

Clocks (i486): CPL=IOPL (or VM86) CPL>=IOPL (486)
IN accum, immed8 14
IN accum, immed8 (PM) 8 28 27
IN accum, DX 14
IN accum, DX 8 28 27

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