iverilog/ivtest/fpga_tests/ornor8_tb.v

26 lines
573 B
Verilog

module main;
reg [8:0] val;
ornor8 dut (.O_OR(o_or), .O_NOR(o_nor),
.I0(val[0]), .I1(val[1]), .I2(val[2]), .I3(val[3]),
.I4(val[4]), .I5(val[5]), .I6(val[6]), .I7(val[7]));
initial begin
for (val = 0 ; val[8] == 0 ; val = val+1) begin
#1 if (o_or !== |val[7:0]) begin
$display("FAILED -- |%b --> %b", val[7:0], o_or);
$finish;
end
if (o_nor !== ~|val[7:0]) begin
$display("FAILED -- ~|%b --> %b", val[7:0], o_nor);
$finish;
end
end
$display("PASSED");
end // initial begin
endmodule // main