42 lines
1.1 KiB
Verilog
42 lines
1.1 KiB
Verilog
/*
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* Copyright (c) 2001 Steve Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/* Check that display prints the right signed value. */
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module signed1();
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reg [7:0] x;
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reg signed [7:0] y;
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initial
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begin
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x = 8'b0000_0011;
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y = 8'b1111_1101;
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$display("x = %0d (should be 3)",x);
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$display("y = %0d (should be -3)",y);
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x = y;
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$display("x = %0d (should be 253)",x);
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end
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endmodule
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