Hi to everyone. Iwant help to working out a problem who i have. I desing a parallel full adder scematic in program Xilinx 9.1, and i have that problem. If my carry(C0 Cin) is '1' the addition is OK, but if my carry (C0 Cin) is 'o', the addition is wrong because i have wrong childe. Thanks for patient.
I upload my project here :http://www.sendspace.com/file/eowqgn