| // Copyright 2020-2022 F4PGA Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| |
| module inv ( |
| output Q, |
| input A |
| ); |
| assign Q = A ? 0 : 1; |
| endmodule |
| |
| module buff ( |
| output Q, |
| input A |
| ); |
| assign Q = A; |
| endmodule |
| |
| module logic_0 ( |
| output a |
| ); |
| assign a = 0; |
| endmodule |
| |
| module logic_1 ( |
| output a |
| ); |
| assign a = 1; |
| endmodule |
| |
| (* blackbox *) |
| module gclkbuff ( |
| input A, |
| output Z |
| ); |
| |
| assign Z = A; |
| |
| endmodule |
| |