4-Bit Full Adder and Subtractor

373

04:54:04

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

published 3 years ago

Redstone_guy

2 years ago

The Decimal Point on the LED display is the carry-to/borrow-from for the next adder/subtractor module

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