// // Copyright (c) 1999 Peter Monta (pmonta@imedia.com) // // This source code is free software; you can redistribute it // and/or modify it in source code form under the terms of the GNU // General Public License as published by the Free Software // Foundation; either version 2 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, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA // // 9/7/99 - SDW - Modified by instantiating Peter's module into a // self-checking structure. Moved bar=result inside // begin clause in function. // // SDW - Validate function contains a register module main (); reg [1:0] val1; reg val2; reg error; function bar; input [1:0] arg; reg result; begin result = |arg; bar = result; end endfunction initial begin error = 0; val2 = bar(2'b01); if(val2 != 1) begin $display("FAILED function 3.11F - register within a function(1)"); error = 1; end val1 = 2'b11 ; val2 = bar(val1) ; if(val2 != 1) begin $display("FAILED function 3.11F - register within a function(2)"); error = 1; end val2 = bar(2'b00); if(val2 != 0) begin $display("FAILED function 3.11F - register within a function(2)"); error = 1; end if(error == 0) $display("PASSED"); end endmodule // main