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-rw-r--r--control_lib/newfifo/fifo_2clock.v (renamed from control_lib/newfifo/newfifo_2clock.v)0
-rw-r--r--control_lib/newfifo/fifo_2clock_cascade.v (renamed from control_lib/newfifo/cascadefifo_2clock.v)0
-rw-r--r--control_lib/newfifo/fifo_tb.v155
3 files changed, 0 insertions, 155 deletions
diff --git a/control_lib/newfifo/newfifo_2clock.v b/control_lib/newfifo/fifo_2clock.v
index 23a6f693c..23a6f693c 100644
--- a/control_lib/newfifo/newfifo_2clock.v
+++ b/control_lib/newfifo/fifo_2clock.v
diff --git a/control_lib/newfifo/cascadefifo_2clock.v b/control_lib/newfifo/fifo_2clock_cascade.v
index 2abbbf3b5..2abbbf3b5 100644
--- a/control_lib/newfifo/cascadefifo_2clock.v
+++ b/control_lib/newfifo/fifo_2clock_cascade.v
diff --git a/control_lib/newfifo/fifo_tb.v b/control_lib/newfifo/fifo_tb.v
deleted file mode 100644
index 98fd63f8d..000000000
--- a/control_lib/newfifo/fifo_tb.v
+++ /dev/null
@@ -1,155 +0,0 @@
-module fifo_tb();
-
- reg clk, rst;
- wire short_full, short_empty, long_full, long_empty;
- wire casc_full, casc_empty, casc2_full, casc2_empty;
- reg read, write;
-
- wire [7:0] short_do, long_do;
- wire [7:0] casc_do, casc2_do;
- reg [7:0] di;
-
- reg clear = 0;
-
- shortfifo #(.WIDTH(8)) shortfifo
- (.clk(clk),.rst(rst),.datain(di),.dataout(short_do),.clear(clear),
- .read(read),.write(write),.full(short_full),.empty(short_empty));
-
- longfifo #(.WIDTH(8), .SIZE(4)) longfifo
- (.clk(clk),.rst(rst),.datain(di),.dataout(long_do),.clear(clear),
- .read(read),.write(write),.full(long_full),.empty(long_empty));
-
- cascadefifo #(.WIDTH(8), .SIZE(4)) cascadefifo
- (.clk(clk),.rst(rst),.datain(di),.dataout(casc_do),.clear(clear),
- .read(read),.write(write),.full(casc_full),.empty(casc_empty));
-
- cascadefifo2 #(.WIDTH(8), .SIZE(4)) cascadefifo2
- (.clk(clk),.rst(rst),.datain(di),.dataout(casc2_do),.clear(clear),
- .read(read),.write(write),.full(casc2_full),.empty(casc2_empty));
-
- initial rst = 1;
- initial #1000 rst = 0;
- initial clk = 0;
- always #50 clk = ~clk;
-
- initial di = 8'hAE;
- initial read = 0;
- initial write = 0;
-
- always @(posedge clk)
- if(write)
- di <= di + 1;
-
- always @(posedge clk)
- begin
- if(short_full != long_full)
- $display("Error: FULL mismatch");
- if(short_empty != long_empty)
- $display("Note: EMPTY mismatch, usually not a problem (longfifo has 2 cycle latency)");
- if(read & (short_do != long_do))
- $display("Error: DATA mismatch");
- end
-
- initial $dumpfile("fifo_tb.vcd");
- initial $dumpvars(0,fifo_tb);
-
- initial
- begin
- @(negedge rst);
- @(posedge clk);
- repeat (10)
- @(posedge clk);
- write <= 1;
- @(posedge clk);
- write <= 0;
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- read <= 1;
- @(posedge clk);
- read <= 0;
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
-
- repeat(10)
- begin
- write <= 1;
- @(posedge clk);
- write <= 0;
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- read <= 1;
- @(posedge clk);
- read <= 0;
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- end // repeat (10)
-
- write <= 1;
- repeat (4)
- @(posedge clk);
- write <= 0;
- @(posedge clk);
- read <= 1;
- repeat (4)
- @(posedge clk);
- read <= 0;
- @(posedge clk);
-
-
- write <= 1;
- repeat (4)
- @(posedge clk);
- write <= 0;
- @(posedge clk);
- repeat (4)
- begin
- read <= 1;
- @(posedge clk);
- read <= 0;
- @(posedge clk);
- end
-
- write <= 1;
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- @(posedge clk);
- read <= 1;
- repeat (5)
- @(posedge clk);
- write <= 0;
- @(posedge clk);
- @(posedge clk);
- read <= 0;
- @(posedge clk);
-
- write <= 1;
- repeat (16)
- @(posedge clk);
- write <= 0;
- @(posedge clk);
-
- read <= 1;
- repeat (16)
- @(posedge clk);
- read <= 0;
- @(posedge clk);
-
- repeat (10)
- @(posedge clk);
- $finish;
- end
-endmodule // longfifo_tb