yosys/tests/ice40/common.v

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2019-08-21 13:52:07 -05:00
module assert_dff(input clk, input test, input pat);
always @(posedge clk)
begin
#1;
if (test != pat)
begin
$display("ERROR: ASSERTION FAILED in %m:",$time);
$stop;
end
end
endmodule
module assert_tri(input en, input A, input B);
always @(posedge en)
begin
#1;
if (A !== B)
begin
$display("ERROR: ASSERTION FAILED in %m:",$time," ",A," ",B);
$stop;
end
end
endmodule
module assert_Z(input clk, input A);
always @(posedge clk)
begin
#1;
if (A === 1'bZ)
begin
$display("ERROR: ASSERTION FAILED in %m:",$time," ",A);
$stop;
end
end
endmodule
module assert_comb(input A, input B);
always @(*)
begin
#1;
if (A !== B)
begin
$display("ERROR: ASSERTION FAILED in %m:",$time," ",A," ",B);
$stop;
end
end
endmodule