128*64 lcd new user

hi people, since i am new in this sector i would like if someone would offer his/her help to help me learn more this lcd. are there any sample codes available so that i can understand more easily?
thanks

Well, since most of us aren't mind readers could you tell us what LCD module you're working with?

oh sorry.. i am intending on using a 128*64 lcd using ks0108 controller.the aim of my project is to detect a heartbeat, pass through adc and then display it to the graphic lcd.