diff options
Diffstat (limited to 'tests/simple')
-rw-r--r-- | tests/simple/arrays02.sv | 16 | ||||
-rw-r--r-- | tests/simple/defvalue.sv | 22 | ||||
-rw-r--r-- | tests/simple/generate.v | 11 |
3 files changed, 49 insertions, 0 deletions
diff --git a/tests/simple/arrays02.sv b/tests/simple/arrays02.sv new file mode 100644 index 000000000..76c2a7388 --- /dev/null +++ b/tests/simple/arrays02.sv @@ -0,0 +1,16 @@ +module uut_arrays02(clock, we, addr, wr_data, rd_data); + +input clock, we; +input [3:0] addr, wr_data; +output [3:0] rd_data; +reg [3:0] rd_data; + +reg [3:0] memory [16]; + +always @(posedge clock) begin + if (we) + memory[addr] <= wr_data; + rd_data <= memory[addr]; +end + +endmodule diff --git a/tests/simple/defvalue.sv b/tests/simple/defvalue.sv new file mode 100644 index 000000000..b0a087ecb --- /dev/null +++ b/tests/simple/defvalue.sv @@ -0,0 +1,22 @@ +module top(input clock, input [3:0] delta, output [3:0] cnt1, cnt2); + cnt #(1) foo (.clock, .cnt(cnt1), .delta); + cnt #(2) bar (.clock, .cnt(cnt2)); +endmodule + +module cnt #( + parameter integer initval = 0 +) ( + input clock, + output logic [3:0] cnt = initval, +`ifdef __ICARUS__ + input [3:0] delta +`else + input [3:0] delta = 10 +`endif +); +`ifdef __ICARUS__ + assign (weak0, weak1) delta = 10; +`endif + always @(posedge clock) + cnt <= cnt + delta; +endmodule diff --git a/tests/simple/generate.v b/tests/simple/generate.v index 3c55682cb..0e353ad9b 100644 --- a/tests/simple/generate.v +++ b/tests/simple/generate.v @@ -148,3 +148,14 @@ generate endgenerate assign out = steps[WIDTH].outer[0].val; endmodule + +// ------------------------------------------ + +module gen_test6(output [3:0] o); +generate + genvar i; + for (i = 3; i >= 0; i = i-1) begin + assign o[i] = 1'b0; + end +endgenerate +endmodule |