need help in two full adder do sub with negative number

Discussion in 'The Projects Forum' started by mohsen, Oct 23, 2010.

  1. mohsen

    Thread Starter Active Member

    Oct 24, 2008
    37
    0
    need help in two full adder do sub with negative number

    i have done the circuit doing adding and subtracting but know trying to make it do subtracting with result in negative number!!!!
     
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