> You could create software on the NES that tears if you wanted. Back in the 80's a > game with tearing wouldn't be tolerated though.
Yes, you could probably do something like that with hardware tricks if you wanted. But what I wanted to say: You don't have to do anything to prevent it. You have an interrupt for screen refreshing and that's where everything is done (game logic, gamepad input, graphics output). And that's it.
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