code size VS speed optimization setting?

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  1. - 28th April 2008, 13:56 #1
    Kamikaze47's Avatar
    Kamikaze47
    Kamikaze47 is offline Senior Member
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    using an 18F4550

    I would just get a pic with more code space. but i need the USB functionality of the 4550.
    "I think fish is nice, but then I think that rain is wet, so who am I to judge?" - Douglas Adams
  2. - 28th April 2008, 14:00 #2
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    Quote Originally Posted by Kamikaze47 View Post
    using an 18F4550
    I would just get a pic with more code space. but i need the USB functionality of the 4550.
    Repeat...Until uses less space than a For...Next, about 3 bytes for each one...

    Multiplies and Divides by power's of 2 can be replaced by shifts << and >> ...

    For...Next loop that are (for instance) "0 to 7" take up less space than "1 to 8", again, only a few worth...
  3. - 28th April 2008, 14:38 #3
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    Kamikaze47
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    thanks for the tips

    i'll go thru my code

    *cringe*
    "I think fish is nice, but then I think that rain is wet, so who am I to judge?" - Douglas Adams
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