mirror of
https://github.com/KevinMidboe/linguist.git
synced 2025-10-29 17:50:22 +00:00
87 lines
1.5 KiB
Verilog
87 lines
1.5 KiB
Verilog
/*
|
|
*
|
|
* Copyright (c) 2011 fpgaminer@bitcoin-mining.com
|
|
*
|
|
*
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
`timescale 1ns/1ps
|
|
|
|
module e0 (x, y);
|
|
|
|
input [31:0] x;
|
|
output [31:0] y;
|
|
|
|
assign y = {x[1:0],x[31:2]} ^ {x[12:0],x[31:13]} ^ {x[21:0],x[31:22]};
|
|
|
|
endmodule
|
|
|
|
|
|
module e1 (x, y);
|
|
|
|
input [31:0] x;
|
|
output [31:0] y;
|
|
|
|
assign y = {x[5:0],x[31:6]} ^ {x[10:0],x[31:11]} ^ {x[24:0],x[31:25]};
|
|
|
|
endmodule
|
|
|
|
|
|
module ch (x, y, z, o);
|
|
|
|
input [31:0] x, y, z;
|
|
output [31:0] o;
|
|
|
|
assign o = z ^ (x & (y ^ z));
|
|
|
|
endmodule
|
|
|
|
|
|
module maj (x, y, z, o);
|
|
|
|
input [31:0] x, y, z;
|
|
output [31:0] o;
|
|
|
|
assign o = (x & y) | (z & (x | y));
|
|
|
|
endmodule
|
|
|
|
|
|
module s0 (x, y);
|
|
|
|
input [31:0] x;
|
|
output [31:0] y;
|
|
|
|
assign y[31:29] = x[6:4] ^ x[17:15];
|
|
assign y[28:0] = {x[3:0], x[31:7]} ^ {x[14:0],x[31:18]} ^ x[31:3];
|
|
|
|
endmodule
|
|
|
|
|
|
module s1 (x, y);
|
|
|
|
input [31:0] x;
|
|
output [31:0] y;
|
|
|
|
assign y[31:22] = x[16:7] ^ x[18:9];
|
|
assign y[21:0] = {x[6:0],x[31:17]} ^ {x[8:0],x[31:19]} ^ x[31:10];
|
|
|
|
endmodule
|
|
|
|
|