From 5603595e5c0efd2afc9ba810e6e5992e5d81d44c Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Fri, 18 Oct 2019 12:19:59 +0200 Subject: Share common tests --- tests/arch/common/adffs.v | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 tests/arch/common/adffs.v (limited to 'tests/arch/common/adffs.v') diff --git a/tests/arch/common/adffs.v b/tests/arch/common/adffs.v new file mode 100644 index 000000000..223b52d21 --- /dev/null +++ b/tests/arch/common/adffs.v @@ -0,0 +1,47 @@ +module adff + ( input d, clk, clr, output reg q ); + initial begin + q = 0; + end + always @( posedge clk, posedge clr ) + if ( clr ) + q <= 1'b0; + else + q <= d; +endmodule + +module adffn + ( input d, clk, clr, output reg q ); + initial begin + q = 0; + end + always @( posedge clk, negedge clr ) + if ( !clr ) + q <= 1'b0; + else + q <= d; +endmodule + +module dffs + ( input d, clk, pre, clr, output reg q ); + initial begin + q = 0; + end + always @( posedge clk ) + if ( pre ) + q <= 1'b1; + else + q <= d; +endmodule + +module ndffnr + ( input d, clk, pre, clr, output reg q ); + initial begin + q = 0; + end + always @( negedge clk ) + if ( !clr ) + q <= 1'b0; + else + q <= d; +endmodule -- cgit v1.2.3