Change a variable to the opposite?

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  1. - 20th June 2012, 18:48 #1
    falingtrea's Avatar
    falingtrea
    falingtrea is offline Member
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    Default Re: Change a variable to the opposite?

    Is BCD value 9 the only value that needs translation? Could you actually need a BCD to grey code translation?
    Tim Barr
  2. - 21st June 2012, 07:00 #2
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    ardhuru
    ardhuru is offline Senior Member
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    Default Re: Change a variable to the opposite?

    If your variable is always going to be 4 bits, the complement would be got by variable(comp) = 15-variable.

    Regards,

    Anand
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