pc parallel i i o i m trying to bring in bits to a pc and would like to use interrupt driven routines without buying an io board or making a new port where can i bring in these bits lpt seems to have only a few inputs but i ve heard rumours that some lpts have bidirectional lines anybody know fer sure if any bi d lpts which boards have them i ll be running a new dx alan erickson erickson baltic nmt edu to all sunrayce competitors i hope you re getting about as much sleep as i am
