about reversing port communication buffer and how register and memory

[alim2201]

about reversing port communication buffer and how register and memory work with ports

hello to every body

i know to how sniff port with port monitor and port analizer software

i work a littile with olly and ida and saw some video from lena

but i want to know to access port function and port bytes reverssing with ida

i want to know how register and memory and buffer works with port data in assembly

about reversing port communication buffer and how register and memory work with ports

(any guide any link and any books)

thanks