This peace of hardware was created for a custom 16-bit computer called xkarna. there is no real physical hardware yet. will update when I make one
- does 22 operations
- 16-bit
- here is the simulated version
- check the verilog file
| zx | nx | zy | ny | f0 | f1 | no | operation |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | |||||
| 1 | 1 | 1 | 1 | 1 | 1 | ||
| 1 | 1 | 1 | -1 | ||||
| 1 | x | ||||||
| 1 | y | ||||||
| 1 | 1 | 1 | 1 | x+1 | |||
| 1 | 1 | 1 | 1 | y+1 | |||
| x + y | |||||||
| 1 | 1 | 1 | -x | ||||
| 1 | 1 | 1 | -y | ||||
| 1 | 1 | x-1 | |||||
| 1 | 1 | y-1 | |||||
| 1 | 1 | x-y | |||||
| 1 | 1 | y-x | |||||
| 1 | 1 | not x | |||||
| 1 | 1 | not y | |||||
| 1 | x and y | ||||||
| 1 | x or y | ||||||
| 1 | 1 | x xor y | |||||
| 1 | 1 | x nand y | |||||
| 1 | 1 | x nor y | |||||
| 1 | 1 | 1 | x xnor y |