I'm trying to use a PIC 16C65 to control some devices on an IEEE488 bus using an NEC upd7210 semi-intelligent controller. I can't seem to be able to get the NEC device to do anything (at all) - has anyone had any experience with this sort of thing ??? Thanks in advance to anyone who can help!! Rob Ford Home : rob.ford@virgin.net Work : rford@ti.tuvps.co.uk