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// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2004 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
integer cyc; initial cyc=1;
reg signed [64+15:0] data;
integer i;
integer b;
reg signed [64+15:0] srs;
always @ (posedge clk) begin
if (cyc!=0) begin
cyc <= cyc + 1;
if (cyc==2) begin
data <= 80'h0;
data[75] <= 1'b1;
data[10] <= 1'b1;
end
if (cyc==3) begin
for (i=0; i<85; i=i+1) begin
srs = data>>>i;
//$write (" %x >>> %d == %x\n",data,i,srs);
for (b=0; b<80; b=b+1) begin
if (srs[b] != (b==(75-i) || b==(10-i))) $stop;
end
end
end
if (cyc==10) begin
data <= 80'h0;
data[79] <= 1'b1;
data[10] <= 1'b1;
end
if (cyc==12) begin
for (i=0; i<85; i=i+1) begin
srs = data>>>i;
//$write (" %x >>> %d == %x\n",data,i,srs);
for (b=0; b<80; b=b+1) begin
if (srs[b] != (b>=(79-i) || b==(10-i))) $stop;
end
end
end
if (cyc==20) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
end
endmodule
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