1 files changed, 32 insertions, 0 deletions

diff --git a/hdl/fibseq.sv b/hdl/fibseq.sv
new file mode 100644
index 0000000..752c0b6
--- /dev/null
+++ b/hdl/fibseq.sv
@@ -0,0 +1,32 @@
+`include "utils.svh"
+
+module fibseq
+    #(  BITS = 8
+    )
+    (   input   bit clk
+    ,   input   bit reset
+
+    ,   input   bit             ready   `define ready `past(ready)
+    ,   output  bit             valid
+    ,   output  bit [BITS-1:0]  data
+    );
+
+bit [BITS-1:0] a;
+bit [BITS-1:0] b;
+
+always_ff @(posedge clk) begin
+    if (reset) begin
+        valid = 0;
+        a = 0;
+        b = 1;
+    end else begin
+        if (`ready) valid = 0;
+        if (!valid) begin
+            valid = 1;
+            data = a;
+            {a, b} = {b, a + b};
+        end
+    end
+end
+
+endmodule