| # 125MHz clk | |
| set_io clk K17 | |
| # in[] correspond with SW0-SW3 on the zybo | |
| set_io sw[0] G15 | |
| set_io sw[1] P15 | |
| set_io sw[2] W13 | |
| set_io sw[3] T16 | |
| # out[] correspond with LD0-LD3 on the zybo | |
| set_io led[0] M14 | |
| set_io led[1] M15 | |
| set_io led[2] G14 | |
| set_io led[3] D18 |