Note: These examples put the carry *underneath* the two addends.

           0 1 0 1   0 1 1 0   1 0 0 0   1 1 0 1 first number
         + 0 0 1 1   0 0 0 1   1 1 0 0   1 1 1 0 second number
(+carry) 0 1 1 1 0   1 1 1 1   0 0 0 1   1 0 0   <== carry
         _______________________________________
           1 0 0 0   1 0 0 0   0 1 0 1   1 0 1 1 ANSWER
Zero:off  
Carry:off  
Sign:on  
Overflow:on (addition of 2 positives should not give a negative)

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           1 0 0 0   1 1 1 1   0 0 1 1   1 0 0 1 first number
         + 0 1 1 1   0 0 0 0   1 1 0 0   0 1 1 1 second number
(+carry) 1 1 1 1 1   1 1 1 1   1 1 1 1   1 1 1   <== carry
        ________________________________________
           0 0 0 0   0 0 0 0   0 0 0 0   0 0 0 0 ANSWER
Zero:on
Carry:on
Sign:off
Overflow:off (positive plus a negative always give correct 2's Complement results)


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