|  | // 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 mult_16x16 ( | 
|  | input  wire [15:0] A, | 
|  | input  wire [15:0] B, | 
|  | output wire [31:0] Z | 
|  | ); | 
|  |  | 
|  | assign Z = A * B; | 
|  |  | 
|  | endmodule | 
|  |  | 
|  | module mult_20x18 ( | 
|  | input  wire [19:0] A, | 
|  | input  wire [17:0] B, | 
|  | output wire [37:0] Z | 
|  | ); | 
|  |  | 
|  | assign Z = A * B; | 
|  |  | 
|  | endmodule | 
|  |  | 
|  | module mult_8x8 ( | 
|  | input  wire [ 7:0] A, | 
|  | input  wire [ 7:0] B, | 
|  | output wire [15:0] Z | 
|  | ); | 
|  |  | 
|  | assign Z = A * B; | 
|  |  | 
|  | endmodule | 
|  |  | 
|  | module mult_10x9 ( | 
|  | input  wire [ 9:0] A, | 
|  | input  wire [ 8:0] B, | 
|  | output wire [18:0] Z | 
|  | ); | 
|  |  | 
|  | assign Z = A * B; | 
|  |  | 
|  | endmodule | 
|  |  | 
|  | module mult_8x8_s ( | 
|  | input  wire signed [ 7:0] A, | 
|  | input  wire signed [ 7:0] B, | 
|  | output wire signed [15:0] Z | 
|  | ); | 
|  |  | 
|  | assign Z = A * B; | 
|  |  | 
|  | endmodule |