yosys/tests/arch/common/latches.v

22 lines
360 B
Verilog

module latchp ( input d, clk, en, output reg q );
always @*
if ( en )
q <= d;
endmodule
module latchn ( input d, clk, en, output reg q );
always @*
if ( !en )
q <= d;
endmodule
module latchsr ( input d, clk, en, clr, pre, output reg q );
always @*
if ( clr )
q <= 1'b0;
else if ( pre )
q <= 1'b1;
else if ( en )
q <= d;
endmodule