Combination of one half adder and 7 full adder, directly connected.
Connect switches to set the input bytes. Use LEDs or some other kind of output device to view the sum of the two input bytes.
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | MSB Byte 1 | MSB Result | MSB Byte 2 |
| 1 | 6 | 6 | 6 |
| 2 | 5 | 5 | 5 |
| 3 | 4 | 4 | 4 |
| 4 | 3 | 3 | 3 |
| 5 | 2 | 2 | 2 |
| 6 | 1 | 1 | 1 |
| 7 | LSB Byte 1 | LSB Result | LSB Byte 2 |