Internal tristates, whether emulated or not, are usually just avoided by designers. If they are actual tristates, you run the risk of damaging silicon if you g

Internal tristates, whether emulated or not, are usually just avoided by designers. If they are actual tristates, you run the risk of damaging silicon if you goof up your logic. I can't say I really understood the problem Carl was having. It seemed to be IO tristates and incorrectly configured port directions, but the post was confusing.