4-Bit Full Adder and Subtractor

@Redstone_guy

11 months ago

https://everycircuit.com/circuit/4656810545643520

The logic sources are: D1 C1 B1 A1 (+/-)* D2 C2 B2 A2 (C/B)** Toggle the logic sources. Bookmark the circuit and enjoy! 😁 *Mode (0 = Addition, 1 = Subtraction) **Carry/Borrow A=1, B=2, C=4, D=8