Simple Digital Reading ?

hi everyone, have sketch below, simple digital read push button example .

however of course, program keep on scrolling down updating state of button every delay time set .

what want happen display reading moment push button , 
if hold still,, display 1 piece of "1" in serial monitor . , moment stop holding , display
only 1 "0" .

is possible ?

yes, possible. see example "statechangedetection":
http://arduino.cc/en/tutorial/buttonstatechange

specialy line:

code: [select]


  if (buttonstate != lastbuttonstate) {
   (...)


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