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 I hope I can do something as awesome as Curiosity when I'm older.. - rachelholladay [more] |
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| I hope I can do something as awesome as Curiosity when I'm older.. - rachelholladay [more] |
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#3
08-02-2005, 22:11
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Re: Negative numbers?
The joystick inputs are of type unsigned char. Trying to do arithmetic with them that yields negative results (e.g. p1_x - 127 when p1_x is less than 127) is just asking for things to blow up.
I get around the problem by reading the joystick input values into a temporary int first, and do all the computations with that. |
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