OpenFPGA/yosys/tests/hana/test_simulation_always.v

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// test_simulation_always_15_test.v
module f1_test(input [1:0] in, output reg [1:0] out);
always @(in)
out = in;
endmodule
// test_simulation_always_17_test.v
module f2_test(a, b, c, d, z);
input a, b, c, d;
output z;
reg z, temp1, temp2;
always @(a or b or c or d)
begin
temp1 = a ^ b;
temp2 = c ^ d;
z = temp1 ^ temp2;
end
endmodule
// test_simulation_always_18_test.v
module f3_test (in1, in2, out);
input in1, in2;
output reg out;
always @ ( in1 or in2)
if(in1 > in2)
out = in1;
else
out = in2;
endmodule
// test_simulation_always_19_test.v
module f4_test(ctrl, in1, in2, out);
input ctrl;
input in1, in2;
output reg out;
always @ (ctrl or in1 or in2)
if(ctrl)
out = in1 & in2;
else
out = in1 | in2;
endmodule
// test_simulation_always_1_test.v
module f5_test(input in, output reg out);
always @(in)
out = in;
endmodule
// test_simulation_always_20_test.v
module f6_NonBlockingEx(clk, merge, er, xmit, fddi, claim);
input clk, merge, er, xmit, fddi;
output reg claim;
reg fcr;
always @(posedge clk)
begin
fcr <= er | xmit;
if(merge)
claim <= fcr & fddi;
else
claim <= fddi;
end
endmodule
// test_simulation_always_21_test.v
module f7_FlipFlop(clk, cs, ns);
input clk;
input [7:0] cs;
output [7:0] ns;
integer is;
always @(posedge clk)
is <= cs;
assign ns = is;
endmodule
// test_simulation_always_22_test.v
module f8_inc(clock, counter);
input clock;
output reg [7:0] counter;
always @(posedge clock)
counter <= counter + 1;
endmodule
// test_simulation_always_23_test.v
module f9_MyCounter (clock, preset, updown, presetdata, counter);
input clock, preset, updown;
input [1: 0] presetdata;
output reg [1:0] counter;
always @(posedge clock)
if(preset)
counter <= presetdata;
else
if(updown)
counter <= counter + 1;
else
counter <= counter - 1;
endmodule
// test_simulation_always_27_test.v
module f10_FlipFlop(clock, cs, ns);
input clock;
input cs;
output reg ns;
reg temp;
always @(posedge clock)
begin
temp <= cs;
ns <= temp;
end
endmodule
// test_simulation_always_29_test.v
module f11_test(input in, output reg [1:0] out);
always @(in)
begin
out = in;
out = out + in;
end
endmodule