| module bb | |
| ( | |
| input x, | |
| input y, | |
| input cin, | |
| output A, | |
| output cout | |
| ); | |
| `ifndef BUG | |
| assign {cout,A} = cin + y + x; | |
| `else | |
| assign {cout,A} = cin - y * x; | |
| `endif | |
| endmodule | |
| module top | |
| ( | |
| input x, | |
| input y, | |
| input cin, | |
| output A, | |
| output cout | |
| ); | |
| bb u_bb (x,y,cin,A,cout); | |
| endmodule |