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8bitworkshop/test/cli/verilog/t_tri_ifbegin.v
2017-11-28 20:38:48 -05:00

53 lines
979 B
Verilog

// DESCRIPTION: Verilator: Verilog Test module
module top (/*AUTOARG*/
// Inputs
clk
);
input clk;
tri pad_io_h;
tri pad_io_l;
sub sub (.*);
endmodule
module sub (/*AUTOARG*/
// Inouts
pad_io_h, pad_io_l
);
parameter USE = 1'b1;
parameter DIFFERENTIAL = 1'b1;
parameter BIDIR = 1'b1;
inout pad_io_h;
inout pad_io_l;
wire [31:0] dqs_out_dtap_delay;
generate
if (USE) begin: output_strobe
wire aligned_os_oe;
wire aligned_strobe;
if (BIDIR) begin
reg sig_h_r = 1'b0;
reg sig_l_r = 1'b0;
always @* begin
sig_h_r = ~aligned_os_oe ? aligned_strobe : 1'bz;
if (DIFFERENTIAL)
sig_l_r = ~aligned_os_oe ? ~aligned_strobe : 1'bz;
end
assign pad_io_h = sig_h_r;
if (DIFFERENTIAL)
assign pad_io_l = sig_l_r;
end
end
endgenerate
endmodule