iverilog/ivtest/ivltests/pr540c.v

43 lines
624 B
Coq
Raw Normal View History

module top;
integer fail;
reg cmd, reset;
initial begin
#1;
reset = 0;
fail = 0;
#1;
cmd = 0;
#2;
reset = 1;
#2;
cmd = 1;
#2;
cmd = 0;
#2;
reset = 0;
#2;
reset = 1;
#4;
if(fail) $display("***** disable test FAILED *****");
else $display("***** disable test PASSED *****");
$finish(0);
end
always @(cmd) begin: command_block
fork
begin
#0; // avoid fork race
disable command_block_reset;
end
begin: command_block_reset
@(reset);
fail = 1;
disable command_block;
end
join
end
endmodule