Complete 8086 instruction set[IN]


Operands: AL, im.byte AL, DX AX, im.byte AX, DX Input from port into AL or AX. Second operand is a port number. If required to access port number over 255 then DX register should be used. Example: IN AX, 4 ; get status of traffic lights. IN AL, 7 ; get status of stepper-motor. Flags: C Z S O P A unchanged