mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-12-02 04:49:44 +00:00
46 lines
1.1 KiB
Coq
46 lines
1.1 KiB
Coq
|
// DESCRIPTION: Verilator: Verilog Test module
|
||
|
|
//
|
||
|
|
// This file ONLY is placed into the Public Domain, for any use,
|
||
|
|
// without warranty, 2015 by Iztok Jeras.
|
||
|
|
// SPDX-License-Identifier: CC0-1.0
|
||
|
|
|
||
|
|
`define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); $stop; end while(0)
|
||
|
|
|
||
|
|
module t (/*AUTOARG*/
|
||
|
|
// Inputs
|
||
|
|
clk
|
||
|
|
);
|
||
|
|
input clk;
|
||
|
|
|
||
|
|
reg alu_ltu, alu_lts;
|
||
|
|
logic [3:0] in_op1;
|
||
|
|
logic [3:0] in_op2;
|
||
|
|
|
||
|
|
|
||
|
|
reg aaa_ltu, aaa_lts;
|
||
|
|
always @(posedge clk) begin
|
||
|
|
in_op1 = 4'sb1110;
|
||
|
|
in_op2 = 4'b0010;
|
||
|
|
aaa_ltu = in_op1 < in_op2;
|
||
|
|
// bug999
|
||
|
|
aaa_lts = $signed(in_op1) < $signed(in_op2);
|
||
|
|
`checkh (aaa_ltu, 1'b0);
|
||
|
|
`checkh (aaa_lts, 1'b1);
|
||
|
|
end
|
||
|
|
|
||
|
|
generate if (1) begin
|
||
|
|
always @(posedge clk) begin
|
||
|
|
in_op1 = 4'sb1110;
|
||
|
|
in_op2 = 4'b0010;
|
||
|
|
alu_ltu = in_op1 < in_op2;
|
||
|
|
// bug999
|
||
|
|
alu_lts = $signed(in_op1) < $signed(in_op2);
|
||
|
|
`checkh (alu_ltu, 1'b0);
|
||
|
|
`checkh (alu_lts, 1'b1);
|
||
|
|
$write("*-* All Finished *-*\n");
|
||
|
|
$finish;
|
||
|
|
end
|
||
|
|
end
|
||
|
|
endgenerate
|
||
|
|
endmodule
|