Can anyone explain what the devices TIMERn (where n = 0, 1, 2, 3) are in the device.h file? Can they be used for anything? Thanks. -- fjhenigman at watcgl.uwaterloo.ca Computer Graphics Lab fjhenigman at watcgl.waterloo.edu Frank J. Henigman University of Waterloo ...!watmath!watcgl!fjhenigman Waterloo, Ontario, Canada