| /* |
| :name: integers-signed |
| :description: Integer literal constants |
| :should_fail: 0 |
| :tags: 5.7.1 |
| */ |
| module top(); |
| logic [7:0] a; |
| logic [3:0] b; |
| logic [3:0] c; |
| logic [15:0] d; |
| |
| initial begin |
| a = -8'd 6; // this defines the two's-complement of 6, |
| // held in 8 bits—equivalent to -(8'd 6) |
| b = 4'shf; // this denotes the 4-bit number '1111', to |
| // be interpreted as a two's-complement number, |
| // or '-1'. This is equivalent to -4'h 1 |
| c = -4'sd15; // this is equivalent to -(-4'd 1), or '0001' |
| d = 16'sd?; // the same as 16'sbz |
| end |
| |
| endmodule |
